(Released Wed, 23 Dec 2020)
3.0.0 includes only a handful of improvements and fixes since 3.0.0 rc1.
Ganeti now supports switching a KVM live migration automatically over to
postcopy mode if the instance's migration_caps include the
postcopy-ram capability and the live migration has already completed
two full memory passes. Postcopy live migration support in Ganeti 3.0 is
considered experimental; users are encouraged to test it and report
bugs, but it should be used with care in production environments.
We recommend using postcopy migration with at least QEMU version 3.0;
QEMU versions before 3.0 do not support limiting the bandwidth of a
postcopy migration, which might saturate the network and cause
interference with e.g. DRBD connections. For QEMU 3.0 and on, we apply
the migration_bandwidth HV parameter that limits the regular
live migration bandwidth to the postcopy phase as well.
Thanks to Sascha Lucas and Calum Calder for all the work related to postcopy migration.
- Bugfixes:
- Fix multi-queue tap creation that was broken by the Python 3 migration (#1534)
- Make sure we set KVM migration capabilities on both sides of the live migration and clear them once the migration is over (#1525)
- Properly cleanup the dedicated spice connection used to set a KVM instance's spice password; this avoids blocking the instance on boot (#1535, #1536)
- Fix non-SSL operation for Python daemons, broken by the Python 3 migration. This should be only relevant for the RAPI daemon running behind a reverse proxy; noded requires SSL to function properly (#1508, #1538)
- Compatibility fixes:
- Correctly report the status of user-down KVM instances with QEMU >= 3.1 (#1440, #1537)
(Released Sat, 19 Sep 2020)
Since releasing 3.0.0 beta1 in June no critical issues have surfaced. This release includes some feature and compability improvements but no breaking changes.
This release comes with the same restrictions as the previous one: to upgrade, you either need 2.16.2 or 3.0.0 beta1 installed. Upgrading directly from older versions or from the Ganeti-2.17 beta version is not supported. Please refer to the 3.0.0 beta1 upgrade notes for more information.
This release has been built/tested against GHC 8.0 through 8.8 which means it should work on most current and near-future distribution versions. Support for GHC versions < 8 has already been dropped with the previous Ganeti release. Along with this change we have also added compatibility to Cabal version 3.0.
- Bugfixes:
- Fix distribution of hmac.key to new nodes - this has been pulled from the 2.17 tree #(1494)
- Compatibility Improvements:
- Open vSwitch: Do not fail to add node when the ovs_name or ovs_link already exists (#1495)
- Improved support for DRBD >= 8.4 (#1496)
- Relax QuickCheck version restriction (#1479)
- Documentation Fixes:
- Various typos have been fixed (#1483, #1487, #1489, #1501)
- Documentation build has been improved (#1500, #1504)
- Missing information has been added (#1490, #1505, #1517)
- Build Environment:
- We now have matrix / nightly builds using Github Actions (#1512)
- We now have code analysis through Github CodeQL (#1514)
- Misc:
- Support other values than 'none' for 'disk_cache' when using RBD (#1516)
- The OS install scripts can now query the configured disk size via a new environment variable 'DISK_%N_SIZE' (#1503)
(Released Fri, 5 Jun 2020)
This is a major version pre-release, porting Ganeti to Python 3, fixing bugs and adding new features.
This is also the first major release to be created by community contributors exclusively. As of May 2020, Google transferred the maintenance of Ganeti to the community. We would like to thank Google for the support and resources it granted to the project and for allowing the community to carry it forward!
Ganeti versions earlier than 2.16.2 will refuse to upgrade to 3.0 using
gnt-cluster upgrade. If you are using your distribution packages, chances
are their maintainers will provide a smooth upgrade path from older
versions, so check the package release notes. If you build Ganeti from
source, please upgrade to 2.16.2 as an intermediate step before
upgrading to 3.0, or consult Github issue #1423 for possible
workarounds.
Note that at this time there is no supported upgrade path for users running Ganeti-2.17 (i.e. 2.17.0 beta1). Ganeti-2.17 was never released, so hopefully no one uses it. In case you are using it, the best option is to downgrade to 2.16 (either via a regular downgrade or manually). See Github issue #1346 for a bit more discussion on this topic.
This release switches the whole Ganeti codebase over to Python 3. Python 2 has reached its end-of-life and is being removed from most distributions, so we opted to skip dual-version support completely and convert the code straight to Python 3-only, the only exception being the RAPI client which remains Python-2 compatible.
We have tested the code as well as we can, but there is still the possibility of breakage, as the conversion touches a big part of the codebase that cannot always be tested automatically. Please test this release if possible and report any bugs on GitHub.
Note that the minimum required Python version is 3.6.
This release removes support for ancient versions of GHC and now requires at least GHC 8.0 to build.
This version adds support for VLAN-aware bridging. Traditionally setups using multiple VLANs had to create one Linux bridge per VLAN and assign instance NICs to the correct bridge. For large setups this usually incurred a fair amount of configuration that had to be kept in sync between nodes. An alternative was to use OpenVSwitch, for which Ganeti already included VLAN support.
Beginning with 3.0, Ganeti supports VLAN-aware bridging: it is now
possible to have a single bridge handling traffic for multiple VLANs and
have instance NICs assigned to one or more VLANs using the vlan NIC
parameter with the same syntax as for OpenVSwitch (see the manpage for
gnt-instance). Note that Ganeti expects VLAN support for the bridge
to be enabled externally, using ip link set dev <bridge> type bridge
vlan_filtering 1.
- Bugfixes:
- Refactor LuxiD's job forking code to make job process creation more reliable. This fixes sporadic failures when polling jobs for status changes, as well as randomly-appearing 30-second delays when enqueueing a new job (#1411).
- Wait for a Luxi job to actually finish before archiving it. This prevents job file accumulation in master candidate queues (#1266).
- Avoid accidentally backing up the export directory on cluster upgrade (#1337).
- This release includes all fixes from 2.16.2 as well, please refer to the 2.16.2 changelog below.
- Compatibility changes:
- Orchestrate KVM live migrations using only QMP (and not the human monitor), ensuring compatibility with QEMU 4.2 (#1433).
- Use iproute2 instead of brctl, removing the dependency on bridge-utils (#1394).
- Enable
AM_MAINTAINER_MODE, supporting read-only VPATH builds (#1391). - Port from Haskell Crypto (unmaintained) to cryptonite (#1405)
- Enable compatibility with pyopenssl >=19.1.0 (#1446)
(Released Fri, 22 May 2020)
This is a bugfix and compatibility release.
Due to the way the gnt-cluster upgrade mechanism is implemented,
Ganeti versions earlier than 2.16.2 will refuse to upgrade to the
upcoming 3.0 release. This release changes the upgrade logic to
explicitly allow upgrades from 2.16.2 and later to 3.0.
See #1423 for more details and the relevant discussion.
- Fix node secondary instance count. Secondary instances were counted as many times as their disk count (#1399)
- RPC: remove 1-second wait introduced by
Expect: 100-Continue. This speeds up all RPC operations that pass through LuxiD (most notably queries likegnt-instance list) by 1 second.
(Released Mon, 1 Apr 2019)
This is a bugfix and compatibility release.
Ganeti now uses the SHA-256 digest algorithm to sign all generated X.509 certificates used to secure the RPC communications between nodes. Previously, Ganeti was using SHA-1 which is seen as weak (but not broken) and has been deprecated by most vendors; most notably, OpenSSL — used by Ganeti on some setups — rejects SHA-1-signed certificates when configured to run on security level 2 and above.
Users are advised to re-generate Ganeti's server and node certificates after installing 2.16.1 on all nodes using the following command:
gnt-cluster renew-crypto --new-cluster-certificate
On setups using RAPI and/or SPICE with Ganeti-generated certificates,
--new-rapi-certificate and --new-spice-certificate should be
appended to the command above.
Previous versions of Ganeti used QEMU command line options that were removed in QEMU 3.1, leading to an inability to start KVM instances with QEMU 3.1. This version restores compatibility with QEMU 3.1 by adapting to these changes. This was done in a backwards-compatible way, however there is one special case: Users using VNC with X.509 support enabled, will need to be running at least QEMU 2.5. See #1342 for details.
Ganeti 2.16.0 could only be built using GHC versions prior to 7.10, as GHC 7.10 and later versions introduced breaking API changes that made the build fail.
This release introduces support for building with newer GHC versions: Ganeti is now known to build with GHC 8.0, 8.2 and 8.4. Furthermore, Ganeti can now be built with snap-server 1.0 as well as hinotify 0.3.10 and later. Previously supported versions of GHC and of these libraries remain supported.
(Contributor names in parentheses where available)
- Compatibility fixes:
- Fix initscript operation on systems with dpkg >= 1.19.4 (#1322)
- Support Sphinx versions later than 1.7 (#1333) (Robin Sonnabend)
- Force KVM to use
cache=nonewhenaio=nativeis set; this is mandatory for QEMU versions later than 2.6 (#43) (Alexandros Kosiaris) - Handle the new output format of
rbd showmappedintroduced in Ceph Mimic (#1339) (Ansgar Jazdzewski) - Support current versions of python-psutil (George Diamantopoulos)
- Fix distcheck-hook with automake versions >= 1.15 (Apollon Oikonomopoulos)
- Fix cli tests with shelltestrunner versions >= 1.9 (Apollon Oikonomopoulos)
- Bugfixes:
- Allow IPv6 addresses in the
vnc_bind_addressKVM hypervisor parameter (#1257) (Brian Candler) - Fix iproute2 invocation to accept
devas a valid interface name (#26) (Arnd Hannemann) - Properly handle OpenVSwitch trunk ports without native VLANs (#1324) (George Diamantopoulos)
- Fix virtio-net multiqueue support (#1268) (George Diamantopoulos)
- Make the ganeti-kvm-poweroff example script work on systems with systemd/sysv integration (#1288)
- Avoid triggering the CPU affinity code when the instance's CPU mask
is set to
all, relaxing the runtime dependency on python-psutil (Calum Calder)
- Allow IPv6 addresses in the
- Performance improvements:
- Speed up Haskell test execution (Iustin Pop)
- Speed up Python test execution (Apollon Oikonomopoulos)
- Documentation fixes:
- Fix a couple of typos in the gnt-instance man page (#1279) (Phil Regnauld)
- Fix a typo in doc/install.rst (Igor Vuk)
- Enhancements:
- KVM process logs are now obtained and saved under /var/log/ganeti/kvm (Yiannis Tsiouris)
(Released Tue, 18 Sep 2018)
Compatibility fixes:
- Support python-mock versions later than about 1.1
Bugfixes:
- RAPI: Check non-SSL exceptions in _CheckIfConnectionDropped
- makefile: Preserve mode on copy
- Change uidpool test to skip uid 0
- Add retry behavior to detect SSConf read race in qa.qa_instance_utils
- utils.livelock: use portable struct flock type
Misc changes:
- Set default ssh connection timeout between nodes to 10s
- Add unit tests for utils.livelock
(Released Mon, 29 Jan 2018)
New features: - Do not prompt when force-setting a node online - Consider state-of-the-record free memory in htools memory model (#35) - Add optStaticKvmNodeMemory to HTools and IAllocator (#34) - Add discard KVM option to bdev - StartInstance restores instance state if running - Allow migrate --cleanup to adopt an instance - Add ganeti-noded and ganeti-rapi --max-clients options - Add gnt-instance rename --force option - Allow master failover to ignore offline nodes - Adding a confirmation before gnt-node --offline no
Compatibility fixes: - kvm: use the current psutil CPU affinity API - Provide alternative to decompressWithErrors in zlib 6.0 - Ceph/RBD rbd showmapped -p is no longer supported - kvm: use_guest_agent: QEMU Guest Agent support - Fix LogicalVolume code to work with older /sbin/lvs
Performance optimizations: - Use fork instead of spawnv in the watcher - Make executeRpcCall only compute rpcCallData once - Special case WaitForJobChange to reduce heap use - Get haskell daemons to only compress files > 4kB - Use zlib compression level 3 in Haskell RPC code - Make the TH fieldsDictsKeys more efficient - Implement localized cache for lvs commands - Reduce load in NV_NODENETTEST and NV_MASTERIP
Bugfixes: - impexpd: fix certificate verification with new socat versions - impexpd: do not set socat SSL method - backend: fix key renewal on single-node clusters - hv_xen: generate correct type for paravirtualized nic (#57) - Force CleanupInstance always on InstanceShutdown (#53) - Cleanup blockdevs from target on migration failure (#50) - kvm: Add missing 'driver' in 'hvinfo' dict (#46) - Add cleanup of stale OS hvp data on cluster modify - Htools should use state-of-record instance size - Prohibit disk removal w/o hotplug on live instance - Fix tuple-unpacking from QueryInstances result - Fix index in RemoveDisks warning - Fix coexistence of location tags and non-DRBD instances - Fix backup export in case of ext disk template - Fix instance state detection in _Shutdowninstance - Fix for instance reinstall not updating config (issue #1193) - Fix optimisation: Correctly extract secondary node - Tune getNodeInstances DRBD secondary computation - Fix LogicalVolume Attach failure on missing path - Set USE_VERSION_FULL=no if --enable-versionfull=no - Don't verify disks when all disk templates are ext
Misc changes: - Fixed several hlint and pylint styling errors - Reduced the verbosity of several debug messages - Fixed various typos in man pages and documentation - Improved various unit tests
Fixes inherited from 2.15 branch:
- Update hv_kvm to handle output from qemu >= 1.6.0
- Disable logging CallRPCMethod timings in non-debug configs
- Give atomicWriteFile temp filenames a more distinct pattern
- FIX: Refactor DiagnoseOS to use a loop, not an inner fn
- FIX: Set INSTANCE_NICn_NETWORK_NAME only if net is defined
- Fix invalid variable error for file-based disks
- Fix gnt-instance console instance unpausing for xl toolstack
- KVM: handle gracefully too old/too new psutil versions
- Fixup compatibility with GHC 7.4/base 4.5
- mcpu: Raise caught OpPrereqErrors with too few args
- Make EnsureDirs print chmod mode on errors
- Use socat method string compatible with <1.73 & >=1.73
- Reduce heap when parsing & storing ConfigData 10%
- Cancel RAPI job if the client drops the connection
- Make JQScheduler queues more strict to avoid leaks
- Fix ganeti-rapi/noded exit-under-load bug
- Fix ClusterVerifyConfig() causing high mem usage
- Use threaded runtime when linking Haskell unit tests
- Give JQueue test dirs unique prefixes so they can't conflict
- Update install-quick DRBD requirements to include DRBD 8.4
- Fix memory/perf bug in gnt-cluster verify
- Improve luxid QueryInstances performance for large clusters
- Optimize LXC hypervisor GetAllInstancesInfo
- Bracket ConfigWriter writeConfigAndUnlock with debug logging
- Bracket client LockConfig calls with debug logging
- Get onInotify and onPollTimer to print filepath
- Prevent InstanceShutdown from waiting on success
Fixes inherited from 2.14 branch:
- Support userspace disk URIs for OS import/export scripts
- iallocator: only adjust memory usage for up instances
Fixes inherited from 2.13 branch: - Bugfix: migrate needs HypervisorClass, not an instance
(Released Thu, 18 Feb 2016)
- The IAllocator protocol has been extended by a new
allocate-secondaryrequest type. Currently, this new request type is only used when in disk conversion to DRBD no secondary node is specified. As long as this new feature is not used, a third-party IAllocator not aware of this extension can be continued to be used. htoolsnow also take into account N+1 redundancy for plain and shared storage. To obtain the old behavior, add the--no-capacity-checksoption.hailnow tries to keep the overall cluster balanced; in particular it now prefers more empty groups over groups that are internally more balanced.- The option
--no-node-setupofgnt-node addis disabled. Instead, the cluster configuration parametermodify_ssh_setupis used to determine whether or not to manipulate the SSH setup of a new node. - Timeouts for communication with luxid have been increased. As a consequence, Ganeti tools communicating (directly or indirectly) with luxid also time out later. Please increase all timeouts for higher level tools interacting with Ganeti accordingly.
hbalcan now be made aware of common causes of failures (for nodes). Look athbalman page's LOCATION TAGS section for more details.hbalcan now be made aware of desired location for instances. Look athbalman page's DESIRED LOCATION TAGS section for more details.- Secret parameters are now readacted in job files
- Using the metadata daemon now requires the presence of the 'setcap' utility. On Debian-based systems, it is available as a part of the 'libcap2-bin' package.
- On group verify, only flush to group nodes
(Released Tue, 2 Feb 2016)
This was the second beta release of the 2.16 series. All important changes are listed in the latest 2.16 entry.
- Do not add a new Inotify watchers on timer
- Set block buffering for UDSServer
- Fix failover in case the source node is offline
- Add a parameter to ignore groups in capacity checks
- Make hspace correctly handle --independent-groups
- Accept BoringSSL as a known good ssl library
- Make CommitTemporaryIPs call out to WConfD
- Fix requested instance desired location tags in IAllocator
- monitor: Use hvinfo in QMP methods
- KVM: Work around QEMU commit 48f364dd
- KVM: Introduce scsi_controller_type and kvm_pci_reservations hvparams
- Improvements in SSH key handling
- Do not generate the ganeti_pub_keys file with --no-ssh-init
- Support force option for deactivate disks on RAPI
- Add a --dry-run option to htools
- Extended logging to improve traceability
- Many documentation improvements and cleanups
- Performance optimizations on larger clusters
- Various QA and testing improvements
Fixes inherited from 2.15 branch:
- Metad: ignore instances that have no communication NIC
- For queries, take the correct base address of an IP block
- Fix computation in network blocks
- Use bulk-adding of keys in renew-crypto
- Introduce bulk-adding of SSH keys
- Handle SSH key distribution on auto promotion
- Do not remove authorized key of node itself
- Support force option for deactivate disks on RAPI
- renew-crypto: use bulk-removal of SSH keys
- Bulk-removal of SSH keys
- Catch IOError of SSH files when removing node
- Fix renew-crypto on one-node-cluster
- Increase timeout of RPC adding/removing keys
- After TestNodeModify, fix the pool of master candidates
Fixes inherited from 2.14 branch:
- bdev: Allow userspace-only disk templates
- Export disk's userspace URI to OS scripts
- Fix instance failover in case of DTS_EXT_MIRROR
- Set node tags in iallocator htools backend
- Fix faulty iallocator type check
- Allow disk attachment to diskless instances
- Allow disk attachment with external storage
Fixes inherited from 2.13 branch:
- Improve xl socat migrations
- Renew-crypto: stop daemons on master node first
- Extend timeout for gnt-cluster renew-crypto
Fixes inherited from 2.12 branch:
- Accept timeout errors when luxi down
- Fix disabling of user shutdown reporting
- gnt-node add: password auth is only one method
- Fix inconsistency in python and haskell objects
- Increase default disk size of burnin to 1G
- Only search for Python-2 interpreters
- Handle Xen 4.3 states better
- Return the correct error code in the post-upgrade script
- Make openssl refrain from DH altogether
- Fix upgrades of instances with missing creation time
- Check for healthy majority on master failover with voting
- Pass arguments to correct daemons during master-failover
Fixes inherited from 2.11 branch:
- At IAlloc backend guess state from admin state
- Fix default for --default-iallocator-params
Fixes inherited from 2.10 branch:
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- KVM: explicitly configure routed NICs late
Fixes inherited from the 2.9 branch:
- Security patch for CVE-2015-7944 RAPI Vulnerable to DoS via SSL renegotiation
- Security patch for CVE-2015-7945 Leak DRBD secret via RAPI
- replace-disks: fix --ignore-ipolicy
(Released Tue, 28 Jul 2015)
This was the first beta release of the 2.16 series. All important changes are listed in the latest 2.16 entry.
(Released Wed, 16 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Allow disk aittachment to diskless instances
- Reduce memory footprint: Compute lock allocation strictly
- Calculate correct affected nodes set in InstanceChangeGroup (Issue 1144)
- Reduce memory footprint: Don't keep input for error messages
- Use bulk-adding of keys in renew-crypto
- Reduce memory footprint: Send answers strictly
- Reduce memory footprint: Store keys as ByteStrings
- Reduce memory footprint: Encode UUIDs as ByteStrings
- Do not retry all requests after connection timeouts to prevent repeated job submission
- Fix reason trails of expanding opcodes
- Make lockConfig call retryable
- Extend timeout for gnt-cluster renew-crypto
- Return the correct error code in the post-upgrade script
- Make OpenSSL refrain from DH altogether
- Fix faulty iallocator type check
- Improve cfgupgrade output in case of errors
- Fix upgrades of instances with missing creation time
- Support force option for deactivate disks on RAPI
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- Fix default for --default-iallocator-params
- Renew-crypto: stop daemons on master node first
- Don't warn about broken SSH setup of offline nodes (Issue 1131)
- Fix computation in network blocks
- At IAlloc backend guess state from admin state
- Set node tags in iallocator htools backend
- Only search for Python-2 interpreters
- Handle Xen 4.3 states better
- Improve xl socat migrations
(Released Mon, 7 Sep 2015)
- The ext template now allows userspace-only disks to be used
- Fixed the silently broken 'gnt-instance replace-disks --ignore-ipolicy' command.
- User shutdown reporting can now be disabled on Xen using the '--user-shutdown' flag.
- Remove falsely reported communication NIC error messages on instance start.
- Fix 'gnt-node migrate' behavior when no instances are present on a node.
- Fix the multi-allocation functionality for non-DRBD instances.
(Released Wed, 29 Jul 2015)
- In order to improve allocation efficiency when using DRBD, the cluster metric now takes the total reserved memory into account. A consequence of this change is that the best possible cluster metric is no longer 0. htools(1) interprets minimal cluster scores to be offsets of the theoretical lower bound, so only users interpreting the cluster score directly should be affected.
- This release contains a fix for the problem that different encodings in SSL certificates can break RPC communication (issue 1094). The fix makes it necessary to rerun 'gnt-cluster renew-crypto --new-node-certificates' after the cluster is fully upgraded to 2.14.1
- On dedicated clusters, hail will now favour allocations filling up nodes efficiently over balanced allocations.
- The indirect dependency on Haskell package 'case-insensitive' is now explicit.
(Released Wed, 17 Jun 2015)
This was the first release candidate in the 2.15 series. All important changes are listed in the latest 2.15 entry.
- Issue 1094: differences in encodings in SSL certificates due to different OpenSSL versions can result in rendering a cluster uncommunicative after a master-failover.
(Released Thu, 30 Apr 2015)
This was the second beta release in the 2.15 series. All important changes are listed in the latest 2.15 entry.
(Released Tue, 15 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Allow disk attachment to diskless instances
- Calculate correct affected nodes set in InstanceChangeGroup (Issue 1144)
- Do not retry all requests after connection timeouts to prevent repeated job submission
- Fix reason trails of expanding opcodes
- Make lockConfig call retryable
- Extend timeout for gnt-cluster renew-crypto
- Return the correct error code in the post-upgrade script
- Make OpenSSL refrain from DH altogether
- Fix faulty iallocator type check
- Improve cfgupgrade output in case of errors
- Fix upgrades of instances with missing creation time
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- Fix default for --default-iallocator-params
- Renew-crypto: stop daemons on master node first
- Don't warn about broken SSH setup of offline nodes (Issue 1131)
- At IAlloc backend guess state from admin state
- Set node tags in iallocator htools backend
- Only search for Python-2 interpreters
- Handle Xen 4.3 states better
- Improve xl socat migrations
- replace-disks: fix --ignore-ipolicy
- Fix disabling of user shutdown reporting
- Allow userspace-only disk templates
- Fix instance failover in case of DTS_EXT_MIRROR
- Fix operations on empty nodes by accepting allocation of 0 jobs
- Fix instance multi allocation for non-DRBD disks
- Redistribute master key on downgrade
- Allow more failover options when using the --no-disk-moves flag
(Released Fri, 10 Jul 2015)
- The SSH security changes reduced the number of nodes which can SSH into other nodes. Unfortunately enough, the Ganeti implementation of migration for the xl stack of Xen required SSH to be able to migrate the instance, leading to a situation where full movement of an instance around the cluster was not possible. This version fixes the issue by using socat to transfer instance data. While socat is less secure than SSH, it is about as secure as xm migrations, and occurs over the secondary network if present. As a consequence of this change, Xen instance migrations using xl cannot occur between nodes running 2.14.0 and 2.14.1.
- This release contains a fix for the problem that different encodings in SSL certificates can break RPC communication (issue 1094). The fix makes it necessary to rerun 'gnt-cluster renew-crypto --new-node-certificates' after the cluster is fully upgraded to 2.14.1
- The
htoolsnow properly work also on shared-storage clusters. - Instance moves now work properly also for the plain disk template.
- Filter-evaluation for run-time data filter was fixed (issue 1100).
- Various improvements to the documentation have been added.
(Released Tue, 2 Jun 2015)
- The build system now enforces external Haskell dependencies to lie in a supported range as declared by our new ganeti.cabal file.
- Basic support for instance reservations has been added. Instance addition supports a --forthcoming option telling Ganeti to only reserve the resources but not create the actual instance. The instance can later be created with by passing the --commit option to the instance addition command.
- Node tags starting with htools:nlocation: now have a special meaning to htools(1). They control between which nodes migration is possible, e.g., during hypervisor upgrades. See hbal(1) for details.
- The node-allocation lock as been removed for good, thus speeding up parallel instance allocation and creation.
- The external storage interface has been extended by optional
openandclosescripts.
- Building the Haskell part of Ganeti now requires Cabal and cabal-install.
- Under certain conditions instance doesn't get unpaused after live migration (issue #1050)
- The call to the IAllocator in 'gnt-node evacuate' has been fixed.
- In opportunistic locking, only ask for those node resource locks where the node lock is held.
- Lock requests are repeatable now; this avoids failure of a job in a race condition with a signal sent to the job.
- Various improvements to the QA.
(Released Tue, 19 May 2015)
This was the second release candidate in the 2.14 series. All important changes are listed in the 2.14.0 entry.
- private parameters are now properly exported to instance create scripts
- unnecessary config unlocks and upgrades have been removed, improving performance, in particular of cluster verification
- some rarely occuring file-descriptor leaks have been fixed
- The checks for orphan and lost volumes have been fixed to also work correctly when multiple volume groups are used.
(Released Wed, 29 Apr 2015)
This was the first release candidate in the 2.14 series. All important changes are listed in the latest 2.14 entry.
The following issue has been fixed:
- A race condition where a badly timed kill of WConfD could lead to an incorrect configuration.
Fixes inherited from the 2.12 branch:
- Upgrade from old versions (2.5 and 2.6) was failing (issues 1070, 1019).
- gnt-network info outputs wrong external reservations (issue 1068)
- Refuse to demote master from master capability (issue 1023)
Fixes inherited from the 2.13 branch:
- bugs related to ssh-key handling of master candidate (issues 1045, 1046, 1047)
(Released Thu, 26 Mar 2015)
This was the second beta release in the 2.14 series. All important changes are listed in the latest 2.14 entry.
The following issues have been fixed:
- Issue 1018: Cluster init (and possibly other jobs) occasionally fail to start
The extension of the external storage interface was not present in 2.14.0 beta1.
(Released Fri, 13 Feb 2015)
This was the first beta release of the 2.14 series. All important changes are listed in the latest 2.14 entry.
(Released Mon, 14 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Calculate correct affected nodes set in InstanceChangeGroup (Issue 1144)
- Do not retry all requests after connection timeouts to prevent repeated job submission
- Fix reason trails of expanding opcodes
- Make lockConfig call retryable
- Extend timeout for gnt-cluster renew-crypto
- Return the correct error code in the post-upgrade script
- Make OpenSSL refrain from DH altogether
- Fix upgrades of instances with missing creation time
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- Fix default for --default-iallocator-params
- Renew-crypto: stop daemons on master node first
- Don't warn about broken SSH setup of offline nodes (Issue 1131)
- At IAlloc backend guess state from admin state
- Only search for Python-2 interpreters
- Handle Xen 4.3 states better
- Improve xl socat migrations
- replace-disks: fix --ignore-ipolicy
- Fix disabling of user shutdown reporting
- Fix operations on empty nodes by accepting allocation of 0 jobs
- Fix instance multi allocation for non-DRBD disks
- Redistribute master key on downgrade
- Allow more failover options when using the --no-disk-moves flag
(Released Mon, 13 Jul 2015)
- This release contains a fix for the problem that different encodings in SSL certificates can break RPC communication (issue 1094). The fix makes it necessary to rerun 'gnt-cluster renew-crypto --new-node-certificates' after the cluster is fully upgraded to 2.13.2
Inherited from 2.12:
- Fixed Issue #1115: Race between starting WConfD and updating the config
- Fixed Issue #1114: Binding RAPI to a specific IP makes the watcher restart the RAPI
- Fixed Issue #1100: Filter-evaluation for run-time data filter
- Better handling of the "crashed" Xen state
- The watcher can be instructed to skip disk verification
- Reduce amount of logging on successful requests
- Prevent multiple communication NICs being created for instances
- The
htoolsnow properly work also on shared-storage clusters - Instance moves now work properly also for the plain disk template
- Various improvements to the documentation have been added
Known issues: - Issue #1104: gnt-backup: dh key too small
(Released Tue, 16 Jun 2015)
- The SSH security changes reduced the number of nodes which can SSH into other nodes. Unfortunately enough, the Ganeti implementation of migration for the xl stack of Xen required SSH to be able to migrate the instance, leading to a situation where full movement of an instance around the cluster was not possible. This version fixes the issue by using socat to transfer instance data. While socat is less secure than SSH, it is about as secure as xm migrations, and occurs over the secondary network if present. As a consequence of this change, Xen instance migrations using xl cannot occur between nodes running 2.13.0 and 2.13.1.
Inherited from 2.12:
- Fixed Issue #1082: RAPI is unresponsive after master-failover
- Fixed Issue #1083: Cluster verify reports existing instance disks on non-default VGs as missing
- Fixed Issue #1101: Modifying the storage directory for the shared-file disk template doesn't work
- Fixed a possible file descriptor leak when forking jobs
- Fixed missing private parameters in the environment for OS scripts
- Fixed a performance regression when handling configuration (only upgrade it if it changes)
- Adapt for compilation with GHC7.8 (compiles with warnings; cherrypicked from 2.14)
Known issues: - Issue #1094: Mismatch in SSL encodings breaks RPC communication - Issue #1104: Export fails: key is too small
(Released Tue, 28 Apr 2015)
- Ganeti now internally retries the instance creation opcode if opportunistic locking did not acquire nodes with enough free resources. The internal retry will not use opportunistic locking. In particular, instance creation, even if opportunistic locking is set, will never fail with ECODE_TEMP_NORES.
- The handling of SSH security had undergone a significant change. From this version on, each node has an individual SSH key pair instead of sharing one with all nodes of the cluster. From now on, we also restrict SSH access to master candidates. This means that only master candidates can ssh into other cluster nodes and all non-master-candidates cannot. Refer to the UPGRADE notes for further instructions on the creation and distribution of the keys.
- Ganeti now checks hypervisor version compatibility before trying an instance migration. It errors out if the versions are not compatible. Add the option --ignore-hvversions to restore the old behavior of only warning.
- Node tags starting with htools:migration: or htools:allowmigration: now have a special meaning to htools(1). See hbal(1) for details.
- The LXC hypervisor code has been repaired and improved. Instances cannot be migrated and cannot have more than one disk, but should otherwise work as with other hypervisors. OS script changes should not be necessary. LXC version 1.0.0 or higher required.
- A new job filter rules system allows to define iptables-like rules for the job scheduler, making it easier to (soft-)drain the job queue, perform maintenance, and rate-limit selected job types. See gnt-filter(8) for details.
- Ganeti jobs can now be ad-hoc rate limited via the reason trail. For a set of jobs queued with "--reason=rate-limit:n:label", the job scheduler ensures that not more than n will be scheduled to run at the same time. See ganeti(7), section "Options", for details.
- The monitoring daemon has now variable sleep times for the data collectors. This currently means that the granularity of cpu-avg-load can be configured.
- The 'gnt-cluster verify' command now has the option '--verify-ssh-clutter', which verifies whether Ganeti (accidentally) cluttered up the 'authorized_keys' file.
- Instance disks can now be converted from one disk template to another for many different template combinations. When available, more efficient conversions will be used, otherwise the disks are simply copied over.
- The monitoring daemon uses the PSQueue library. Be sure to install it if you use Mond.
- The formerly optional regex-pcre is now an unconditional dependency because the new job filter rules have regular expressions as a core feature.
The following issues have been fixed:
- Bugs related to ssh-key handling of master candidates (issues 1045, 1046, 1047)
Fixes inherited from the 2.12 branch:
- Upgrade from old versions (2.5 and 2.6) was failing (issues 1070, 1019).
- gnt-network info outputs wrong external reservations (issue 1068)
- Refuse to demote master from master capability (issue 1023)
(Released Wed, 25 Mar 2015)
This was the first release candidate of the 2.13 series. All important changes are listed in the latest 2.13 entry.
The following issues have been fixed:
- Issue 1018: Cluster init (and possibly other jobs) occasionally fail to start
(Released Wed, 14 Jan 2015)
This was the first beta release of the 2.13 series. All important changes are listed in the latest 2.13 entry.
(Released Mon, 14 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Calculate correct affected nodes set in InstanceChangeGroup (Issue 1144)
- Do not retry all requests after connection timeouts to prevent repeated job submission
- Fix reason trails of expanding opcodes
- Make lockConfig call retryable
- Return the correct error code in the post-upgrade script
- Make OpenSSL refrain from DH altogether
- Fix upgrades of instances with missing creation time
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- Fix default for --default-iallocator-params
- At IAlloc backend guess state from admin state
- Only search for Python-2 interpreters
- Handle Xen 4.3 states better
- replace-disks: fix --ignore-ipolicy
- Fix disabling of user shutdown reporting
- Fix operations on empty nodes by accepting allocation of 0 jobs
- Fix instance multi allocation for non-DRBD disks
- Allow more failover options when using the --no-disk-moves flag
(Released Mon, 13 Jul 2015)
- This release contains a fix for the problem that different encodings in SSL certificates can break RPC communication (issue 1094). The fix makes it necessary to rerun 'gnt-cluster renew-crypto --new-node-certificates' after the cluster is fully upgraded to 2.12.5.
- Fixed Issue #1030: GlusterFS support breaks at upgrade to 2.12 - switches back to shared-file
- Fixed Issue #1094 (see the notice in Incompatible/important changes): Differences in encodings of SSL certificates can render a cluster uncommunicative after a master-failover
- Fixed Issue #1098: Support for ECDSA SSH keys
- Fixed Issue #1100: Filter-evaluation for run-time data filter
- Fixed Issue #1101: Modifying the storage directory for the shared-file disk template doesn't work
- Fixed Issue #1108: Spurious "NIC name already used" errors during instance creation
- Fixed Issue #1114: Binding RAPI to a specific IP makes the watcher restart the RAPI
- Fixed Issue #1115: Race between starting WConfD and updating the config
- Better handling of the "crashed" Xen state
- The
htoolsnow properly work also on shared-storage clusters - Various improvements to the documentation have been added
Inherited from the 2.11 branch:
- Fixed Issue #1113: Reduce amount of logging on successful requests
- Issue #1104: gnt-backup: dh key too small
(Released Tue, 12 May 2015)
- Fixed Issue #1082: RAPI is unresponsive after master-failover
- Fixed Issue #1083: Cluster verify reports existing instance disks on non-default VGs as missing
- Fixed a possible file descriptor leak when forking jobs
- Fixed missing private parameters in the environment for OS scripts
- Fixed a performance regression when handling configuration (only upgrade it if it changes)
- Adapt for compilation with GHC7.8 (compiles with warnings; cherrypicked from 2.14)
Pending since 2.12.2:
- Under certain conditions instance doesn't get unpaused after live migration (issue #1050)
- GlusterFS support breaks at upgrade to 2.12 - switches back to shared-file (issue #1030)
(Released Wed, 29 Apr 2015)
- Fixed Issue #1019: upgrade from 2.6.2 to 2.12 fails. cfgupgrade doesn't migrate the config.data file properly
- Fixed Issue 1023: Master master-capable option bug
- Fixed Issue 1068: gnt-network info outputs wrong external reservations
- Fixed Issue 1070: Upgrade of Ganeti 2.5.2 to 2.12.0 fails due to missing UUIDs for disks
- Fixed Issue 1073: ssconf_hvparams_* not distributed with ssconf
Inherited from the 2.11 branch:
- Fixed Issue 1032: Renew-crypto --new-node-certificates sometimes does not complete. The operation 'gnt-cluster renew-crypto --new-node-certificates' is now more robust against intermitten reachability errors. Nodes that are temporarily not reachable, are contacted with several retries. Nodes which are marked as offline are omitted right away.
Inherited from the 2.10 branch:
- Fixed Issue 1057: master-failover succeeds, but IP remains assigned to old master
- Fixed Issue 1058: Python's os.minor() does not support devices with high minor numbers
- Fixed Issue 1059: Luxid fails if DNS returns an IPv6 address that does not reverse resolve
Pending since 2.12.2:
- GHC 7.8 introduced some incompatible changes, so currently Ganeti 2.12. doesn't compile on GHC 7.8
- Under certain conditions instance doesn't get unpaused after live migration (issue #1050)
- GlusterFS support breaks at upgrade to 2.12 - switches back to shared-file (issue #1030)
(Released Wed, 25 Mar 2015)
- Support for the lens Haskell library up to version 4.7 (issue #1028)
- SSH keys are now distributed only to master and master candidates (issue #377)
- Improved performance for operations that frequently read the cluster configuration
- Improved robustness of spawning job processes that occasionally caused newly-started jobs to timeout
- Fixed race condition during cluster verify which occasionally caused it to fail
Inherited from the 2.11 branch:
- Fix failing automatic glusterfs mounts (issue #984)
- Fix watcher failing to read its status file after an upgrade (issue #1022)
- Improve Xen instance state handling, in particular of somewhat exotic transitional states
Inherited from the 2.10 branch:
- Fix failing to change a diskless drbd instance to plain (issue #1036)
- Fixed issues with auto-upgrades from pre-2.6 (hv_state_static and disk_state_static)
- Fix memory leak in the monitoring daemon
Inherited from the 2.9 branch:
- Fix file descriptor leak in Confd client
- GHC 7.8 introduced some incompatible changes, so currently Ganeti 2.12. doesn't compile on GHC 7.8
- Under certain conditions instance doesn't get unpaused after live migration (issue #1050)
- GlusterFS support breaks at upgrade to 2.12 - switches back to shared-file (issue #1030)
(Released Wed, 14 Jan 2015)
- Fix users under which the wconfd and metad daemons run (issue #976)
- Clean up stale livelock files (issue #865)
- Fix setting up the metadata daemon's network interface for Xen
- Make watcher identify itself on disk activation
- Add "ignore-ipolicy" option to gnt-instance grow-disk
- Check disk size ipolicy during "gnt-instance grow-disk" (issue #995)
Inherited from the 2.11 branch:
- Fix counting votes when doing master failover (issue #962)
- Fix broken haskell dependencies (issues #758 and #912)
- Check if IPv6 is used directly when running SSH (issue #892)
Inherited from the 2.10 branch:
- Fix typo in gnt_cluster output (issue #1015)
- Use the Python path detected at configure time in the top-level Python scripts.
- Fix check for sphinx-build from python2-sphinx
- Properly check if an instance exists in 'gnt-instance console'
(Released Fri, 10 Oct 2014)
- Ganeti is now distributed under the 2-clause BSD license. See the COPYING file.
- Do not use debug mode in production. Certain daemons will issue warnings when launched in debug mode. Some debug logging violates some of the new invariants in the system (see "New features"). The logging has been kept as it aids diagnostics and development.
- OS install script parameters now come in public, private and secret
varieties:
- Public parameters are like all other parameters in Ganeti.
- Ganeti will not log private and secret parameters, unless it is running in debug mode.
- Ganeti will not save secret parameters to configuration. Secret parameters must be supplied every time you install, or reinstall, an instance.
- Attempting to override public parameters with private or secret parameters results in an error. Similarly, you may not use secret parameters to override private parameters.
- The move-instance tool can now attempt to allocate an instance by using opportunistic locking when an iallocator is used.
- The build system creates sample systemd unit files, available under doc/examples/systemd. These unit files allow systemd to natively manage and supervise all Ganeti processes.
- Different types of compression can be applied during instance moves, including user-specified ones.
- Ganeti jobs now run as separate processes. The jobs are coordinated by a new daemon "WConfd" that manages cluster's configuration and locks for individual jobs. A consequence is that more jobs can run in parallel; the number is run-time configurable, see "New features" entry of 2.11.0. To avoid luxid being overloaded with tracking running jobs, it backs of and only occasionally, in a sequential way, checks if jobs have finished and schedules new ones. In this way, luxid keeps responsive under high cluster load. The limit as when to start backing of is also run-time configurable.
- The metadata daemon is now optionally available, as part of the partial implementation of the OS-installs design. It allows pass information to OS install scripts or to instances. It is also possible to run Ganeti without the daemon, if desired.
- Detection of user shutdown of instances has been implemented for Xen as well.
- The KVM CPU pinning no longer uses the affinity python package, but psutil instead. The package is still optional and needed only if the feature is to be used.
The following issues are related to features which are not completely implemented in 2.12:
- Issue 885: Network hotplugging on KVM sometimes makes an instance unresponsive
- Issues 708 and 602: The secret parameters are currently still written to disk in the job queue.
- Setting up the metadata network interface under Xen isn't fully implemented yet.
Wrong UDP checksums in DHCP network packets: If an instance communicates with the metadata daemon and uses DHCP to obtain its IP address on the provided virtual network interface, it can happen that UDP packets have a wrong checksum, due to a bug in virtio. See for example https://bugs.launchpad.net/bugs/930962
Ganeti works around this bug by disabling the UDP checksums on the way from a host to instances (only on the special metadata communication network interface) using the ethtool command. Therefore if using the metadata daemon the host nodes should have this tool available.
The metadata daemon is run as root in the split-user mode, to be able to bind to port 80. This should be improved in future versions, see issue #949.
The following issues have been fixed:
- Fixed passing additional parameters to RecreateInstanceDisks over RAPI.
- Fixed the permissions of WConfd when running in the split-user mode. As WConfd takes over the previous master daemon to manage the configuration, it currently runs under the masterd user.
- Fixed the permissions of the metadata daemon wn running in the split-user mode (see Known issues).
- Watcher now properly adds a reason trail entry when initiating disk checks.
- Fixed removing KVM parameters introduced in 2.12 when downgrading a cluster to 2.11: "migration_caps", "disk_aio" and "virtio_net_queues".
- Improved retrying of RPC calls that fail due to network errors.
(Released Mon, 22 Sep 2014)
This was the second release candidate of the 2.12 series. All important changes are listed in the latest 2.12 entry.
The following issues have been fixed:
- Watcher now checks if WConfd is running and functional.
- Watcher now properly adds reason trail entries.
- Fixed NIC options in Xen's config files.
Inherited from the 2.10 branch:
- Fixed handling of the --online option
- Add warning against hvparam changes with live migrations, which might lead to dangerous situations for instances.
- Only the LVs in the configured VG are checked during cluster verify.
(Released Wed, 20 Aug 2014)
This was the first release candidate of the 2.12 series. All important changes are listed in the latest 2.12 entry.
The following issues have been fixed:
- Issue 881: Handle communication errors in mcpu
- Issue 883: WConfd leaks memory for some long operations
- Issue 884: Under heavy load the IAllocator fails with a "missing instance" error
Inherited from the 2.10 branch:
- Improve the recognition of Xen domU states
- Automatic upgrades: - Create the config backup archive in a safe way - On upgrades, check for upgrades to resume first - Pause watcher during upgrade
- Allow instance disks to be added with --no-wait-for-sync
(Released Mon, 21 Jul 2014)
This was the first beta release of the 2.12 series. All important changes are listed in the latest 2.12 entry.
(Released Mon, 14 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- Fix default for --default-iallocator-params
- At IAlloc backend guess state from admin state
- replace-disks: fix --ignore-ipolicy
- Fix instance multi allocation for non-DRBD disks
- Trigger renew-crypto on downgrade to 2.11
- Downgrade log-message for rereading job
- Downgrade log-level for successful requests
- Check for gnt-cluster before running gnt-cluster upgrade
(Released Fri, 17 Apr 2015)
- The operation 'gnt-cluster renew-crypto --new-node-certificates' is now more robust against intermitten reachability errors. Nodes that are temporarily not reachable, are contacted with several retries. Nodes which are marked as offline are omitted right away.
(Released Mon, 22 Sep 2014)
- Ganeti is now distributed under the 2-clause BSD license. See the COPYING file.
- Fix userspace access checks.
- Various documentation fixes have been added.
Inherited from the 2.10 branch:
- The --online option now works as documented.
- The watcher is paused during cluster upgrades; also, upgrade checks for upgrades to resume first.
- Instance disks can be added with --no-wait-for-sync.
(Released Thu, 7 Aug 2014)
Inherited from the 2.10 branch:
Important security release. In 2.10.0, the 'gnt-cluster upgrade' command was introduced. Before performing an upgrade, the configuration directory of the cluster is backed up. Unfortunately, the archive was written with permissions that make it possible for non-privileged users to read the archive and thus have access to cluster and RAPI keys. After this release, the archive will be created with privileged access only.
We strongly advise you to restrict the permissions of previously created archives. The archives are found in /var/lib/ganeti*.tar (unless otherwise configured with --localstatedir or --with-backup-dir).
If you suspect that non-privileged users have accessed your archives already, we advise you to renew the cluster's crypto keys using 'gnt-cluster renew-crypto' and to reset the RAPI credentials by editing /var/lib/ganeti/rapi_users (respectively under a different path if configured differently with --localstatedir).
Other changes included in this release:
- Fix handling of Xen instance states.
- Fix NIC configuration with absent NIC VLAN
- Adapt relative path expansion in PATH to new environment
- Exclude archived jobs from configuration backups
- Fix RAPI for split query setup
- Allow disk hot-remove even with chroot or SM
Inherited from the 2.9 branch:
- Make htools tolerate missing 'spfree' on luxi
(Released Thu, 31 Jul 2014)
- Improved documentation of the instance shutdown behavior.
Inherited from the 2.10 branch:
- KVM: fix NIC configuration with absent NIC VLAN (Issue 893)
- Adapt relative path expansion in PATH to new environment
- Exclude archived jobs from configuration backup
- Expose early_release for ReplaceInstanceDisks
- Add backup directory for configuration backups for upgrades
- Fix BlockdevSnapshot in case of non lvm-based disk
- Improve RAPI error handling for queries in non-existing items
- Allow disk hot-remove even with chroot or SM
- Remove superflous loop in instance queries (Issue 875)
Inherited from the 2.9 branch:
- Make ganeti-cleaner switch to save working directory (Issue 880)
(Released Wed, 9 Jul 2014)
- Readd nodes to their previous node group
- Remove old-style gnt-network connect
Inherited from the 2.10 branch:
- Make network_vlan an optional OpParam
- hspace: support --accept-existing-errors
- Make hspace support --independent-groups
- Add a modifier for a group's allocation policy
- Export VLAN nicparam to NIC configuration scripts
- Fix gnt-network client to accept vlan info
- Support disk hotplug with userspace access
Inherited from the 2.9 branch:
- Make htools tolerate missing "spfree" on luxi
- Move the design for query splitting to the implemented list
- Add tests for DRBD setups with empty first resource
Inherited from the 2.8 branch:
- DRBD parser: consume initial empty resource lines
(Released Fri, 13 Jun 2014)
- Improvements to KVM wrt to the kvmd and instance shutdown behavior. WARNING: In contrast to our standard policy, this bug fix update introduces new parameters to the configuration. This means in particular that after an upgrade from 2.11.0 or 2.11.1, 'cfgupgrade' needs to be run, either manually or explicitly by running 'gnt-cluster upgrade --to 2.11.2' (which requires that they had configured the cluster with --enable-versionfull). This also means, that it is not easily possible to downgrade from 2.11.2 to 2.11.1 or 2.11.0. The only way is to go back to 2.10 and back.
Inherited from the 2.10 branch:
- Check for SSL encoding inconsistencies
- Check drbd helper only in VM capable nodes
- Improvements in statistics utils
Inherited from the 2.9 branch:
- check-man-warnings: use C.UTF-8 and set LC_ALL
(Released Wed, 14 May 2014)
- Add design-node-security.rst to docinput
- kvm: use a dedicated QMP socket for kvmd
Inherited from the 2.10 branch:
- Set correct Ganeti version on setup commands
- Add a utility to combine shell commands
- Add design doc for performance tests
- Fix failed DRBD disk creation cleanup
- Hooking up verification for shared file storage
- Fix --shared-file-storage-dir option of gnt-cluster modify
- Clarify default setting of 'metavg'
- Fix invocation of GetCommandOutput in QA
- Clean up RunWithLocks
- Add an exception-trapping thread class
- Wait for delay to provide interruption information
- Add an expected block option to RunWithLocks
- Track if a QA test was blocked by locks
- Add a RunWithLocks QA utility function
- Add restricted migration
- Add an example for node evacuation
- Add a test for parsing version strings
- Tests for parallel job execution
- Fail in replace-disks if attaching disks fails
- Fix passing of ispecs in cluster init during QA
- Move QAThreadGroup to qa_job_utils.py
- Extract GetJobStatuses and use an unified version
- Run disk template specific tests only if possible
Inherited from the 2.9 branch:
- If Automake version > 1.11, force serial tests
- KVM: set IFF_ONE_QUEUE on created tap interfaces
- Add configure option to pass GHC flags
(Released Fri, 25 Apr 2014)
gnt-node listno longer shows disk space information for shared file disk templates because it is not a node attribute. (For example, if you have both the file and shared file disk templates enabled,gnt-node listnow only shows information about the file disk template.)- The shared file disk template is now in the new 'sharedfile' storage type.
As a result,
gnt-node list-storage -t filenow only shows information about the file disk template and you may usegnt-node list-storage -t sharedfileto query storage information for the shared file disk template. - Over luxi, syntactially incorrect queries are now rejected as a whole; before, a 'SumbmitManyJobs' request was partially executed, if the outer structure of the request was syntactically correct. As the luxi protocol is internal (external applications are expected to use RAPI), the impact of this incompatible change should be limited.
- Queries for nodes, instances, groups, backups and networks are now exclusively done via the luxi daemon. Legacy python code was removed, as well as the --enable-split-queries configuration option.
- Orphan volumes errors are demoted to warnings and no longer affect the exit
code of
gnt-cluster verify. - RPC security got enhanced by using different client SSL certificates for each node. In this context 'gnt-cluster renew-crypto' got a new option '--new-node-certificates', which renews the client certificates of all nodes. After a cluster upgrade from pre-2.11, run this to create client certificates and activate this feature.
- Instance moves, backups and imports can now use compression to transfer the instance data.
- Node groups can be configured to use an SSH port different than the default 22.
- Added experimental support for Gluster distributed file storage as the
glusterdisk template under the newsharedfilestorage type through automatic management of per-node FUSE mount points. You can configure the mount point location atgnt-cluster inittime by using the new--gluster-storage-dirswitch. - Job scheduling is now handled by luxid, and the maximal number of jobs running in parallel is a run-time parameter of the cluster.
- A new tool for planning dynamic power management, called
hsqueeze, has been added. It suggests nodes to power up or down and corresponding instance moves.
The following new dependencies have been added:
For Haskell:
zliblibrary (http://hackage.haskell.org/package/base64-bytestring)base64-bytestringlibrary (http://hackage.haskell.org/package/zlib), at least version 1.0.0.0lifted-baselibrary (http://hackage.haskell.org/package/lifted-base)lenslibrary (http://hackage.haskell.org/package/lens)
- Fix Xen instance state
Inherited from the 2.10 branch:
- Fix conflict between virtio + spice or soundhw
- Fix bitarray ops wrt PCI slots
- Allow releases scheduled 5 days in advance
- Make watcher submit queries low priority
- Fix specification of TIDiskParams
- Add unittests for instance modify parameter renaming
- Add renaming of instance custom params
- Add RAPI symmetry tests for groups
- Extend RAPI symmetry tests with RAPI-only aliases
- Add test for group custom parameter renaming
- Add renaming of group custom ndparams, ipolicy, diskparams
- Add the RAPI symmetry test for nodes
- Add aliases for nodes
- Allow choice of HTTP method for modification
- Add cluster RAPI symmetry test
- Fix failing cluster query test
- Add aliases for cluster parameters
- Add support for value aliases to RAPI
- Provide tests for GET/PUT symmetry
- Sort imports
- Also consider filter fields for deciding if using live data
- Document the python-fdsend dependency
- Verify configuration version number before parsing
- KVM: use running HVPs to calc blockdev options
- KVM: reserve a PCI slot for the SCSI controller
- Check for LVM-based verification results only when enabled
- Fix "existing" typos
- Fix output of gnt-instance info after migration
- Warn in UPGRADE about not tar'ing exported insts
- Fix non-running test and remove custom_nicparams rename
- Account for NODE_RES lock in opportunistic locking
- Fix request flooding of noded during disk sync
Inherited from the 2.9 branch:
- Make watcher submit queries low priority
- Fix failing gnt-node list-drbd command
- Update installation guide wrt to DRBD version
- Fix list-drbd QA test
- Add messages about skipped QA disk template tests
- Allow QA asserts to produce more messages
- Set exclusion tags correctly in requested instance
- Export extractExTags and updateExclTags
- Document spindles in the hbal man page
- Sample logrotate conf breaks permissions with split users
- Fix 'gnt-cluster' and 'gnt-node list-storage' outputs
Inherited from the 2.8 branch:
- Add reason parameter to RAPI client functions
- Include qa/patch in Makefile
- Handle empty patches better
- Move message formatting functions to separate file
- Add optional ordering of QA patch files
- Allow multiple QA patches
- Refactor current patching code
(Released Thu, 20 Mar 2014)
This was the first RC release of the 2.11 series. Since 2.11.0 beta1:
- Convert int to float when checking config. consistency
- Rename compression option in gnt-backup export
Inherited from the 2.9 branch:
- Fix error introduced during merge
- gnt-cluster copyfile: accept relative paths
Inherited from the 2.8 branch:
- Improve RAPI detection of the watcher
- Add patching QA configuration files on buildbots
- Enable a timeout for instance shutdown
- Allow KVM commands to have a timeout
- Allow xen commands to have a timeout
- Fix wrong docstring
(Released Wed, 5 Mar 2014)
This was the first beta release of the 2.11 series. All important changes are listed in the latest 2.11 entry.
(Released Fri, 11 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- Make htools tolerate missing "dtotal" and "dfree" on luxi
- At IAlloc backend guess state from admin state
- replace-disks: fix --ignore-ipolicy
- Fix instance multi allocation for non-DRBD disks
- Check for gnt-cluster before running gnt-cluster upgrade
- Work around a Python os.minor bug
- Add IP-related checks after master-failover
- Pass correct backend params in move-instance
- Allow plain/DRBD conversions regardless of lack of disks
- Fix MonD collector thunk leak
- Stop MonD when removing a node from a cluster
- Finalize backup only if successful
- Fix file descriptor leak in Confd Client
- Auto-upgrade hv_state_static and disk_state_static
- Do not hardcode the Python path in CLI tools
- Use the Python interpreter from ENV
- ganeti.daemon: fix daemon mode with GnuTLS >= 3.3 (Issues 961, 964)
- Ganeti.Daemon: always install SIGHUP handler (Issue 755)
- Fix DRBD version check for non VM capable nodes
- Fix handling of the --online option
- Add warning against hvparam changes with live migrations
- Only verify LVs in configured VG during cluster verify
- Fix network info in case of multi NIC instances
- On upgrades, check for upgrades to resume first
- Pause watcher during upgrade
- Allow instance disks to be added with --no-wait-for-sync
(Released Thu, 7 Aug 2014)
Important security release. In 2.10.0, the 'gnt-cluster upgrade' command was introduced. Before performing an upgrade, the configuration directory of the cluster is backed up. Unfortunately, the archive was written with permissions that make it possible for non-privileged users to read the archive and thus have access to cluster and RAPI keys. After this release, the archive will be created with privileged access only.
We strongly advise you to restrict the permissions of previously created archives. The archives are found in /var/lib/ganeti*.tar (unless otherwise configured with --localstatedir or --with-backup-dir).
If you suspect that non-privileged users have accessed your archives already, we advise you to renew the cluster's crypto keys using 'gnt-cluster renew-crypto' and to reset the RAPI credentials by editing /var/lib/ganeti/rapi_users (respectively under a different path if configured differently with --localstatedir).
Other changes included in this release:
- Fix handling of Xen instance states.
- Fix NIC configuration with absent NIC VLAN
- Adapt relative path expansion in PATH to new environment
- Exclude archived jobs from configuration backups
- Fix RAPI for split query setup
- Allow disk hot-remove even with chroot or SM
Inherited from the 2.9 branch:
- Make htools tolerate missing 'spfree' on luxi
(Released Mon, 30 Jun 2014)
- Make Ganeti tolerant towards different openssl library version on different nodes (issue 853).
- Allow hspace to make useful predictions in multi-group clusters with one group overfull (isse 861).
- Various gnt-network related fixes.
- Fix disk hotplug with userspace access.
- Various documentation errors fixed.
(Released Mon, 2 Jun 2014)
- Two new options have been added to gnt-group evacuate. The 'sequential' option forces all the evacuation steps to be carried out sequentially, thus avoiding congestion on a slow link between node groups. The 'force-failover' option disallows migrations and forces failovers to be used instead. In this way evacuation to a group with vastly differnet hypervisor is possible.
- In tiered allocation, when looking for ways on how to shrink an instance, the canoncial path is tried first, i.e., in each step reduce on the resource most placements are blocked on. Only if no smaller fitting instance can be found shrinking a single resource till fit is tried.
- For finding the placement of an instance, the duplicate computations in the computation of the various cluster scores are computed only once. This significantly improves the performance of hspace for DRBD on large clusters; for other clusters, a slight performance decrease might occur. Moreover, due to the changed order, floating point number inaccuracies accumulate differently, thus resulting in different cluster scores. It has been verified that the effect of these different roundings is less than 1e-12.
- network queries fixed with respect to instances
- relax too strict prerequisite in LUClusterSetParams for DRBD helpers
- VArious improvements to QA and build-time tests
(Released Thu, 15 May 2014)
- Support restricted migration in hbal
- Fix for the --shared-file-storage-dir of gnt-cluster modify (issue 811)
- Fail in replace-disks if attaching disks fails (issue 814)
- Set IFF_ONE_QUEUE on created tap interfaces for KVM
- Small fixes and enhancements in the build system
- Various documentation fixes (e.g. issue 810)
(Released Wed, 16 Apr 2014)
- Fix filtering of pending jobs with -o id (issue 778)
- Make RAPI API calls more symmetric (issue 770)
- Make parsing of old cluster configuration more robust (issue 783)
- Fix wrong output of gnt-instance info after migrations
- Fix reserved PCI slots for KVM hotplugging
- Use runtime hypervisor parameters to calculate bockdevice options for KVM
- Fix high node daemon load during disk sync if the sync is paused manually (issue 792)
- Improve opportunistic locking during instance creation (issue 791)
Inherited from the 2.9 branch:
- Make watcher submit queries low priority (issue 772)
- Add reason parameter to RAPI client functions (issue 776)
- Fix failing gnt-node list-drbd command (issue 777)
- Properly display fake job locks in gnt-debug.
- small fixes in documentation
(Released Mon, 24 Mar 2014)
- Fix conflict between virtio + spice or soundhw (issue 757)
- accept relative paths in gnt-cluster copyfile (issue 754)
- Introduce shutdown timeout for 'xm shutdown' command
- Improve RAPI detection of the watcher (issue 752)
(Released Wed, 5 Mar 2014)
- Fix incorrect invocation of hooks on offline nodes (issue 742)
- Fix incorrect exit code of gnt-cluster verify in certain circumstances (issue 744)
Inherited from the 2.9 branch:
- Fix overflow problem in hbal that caused it to break when waiting for jobs for more than 10 minutes (issue 717)
- Make hbal properly handle non-LVM storage
- Properly export and import NIC parameters, and do so in a backwards compatible way (issue 716)
- Fix net-common script in case of routed mode (issue 728)
- Improve documentation (issues 724, 730)
(Released Thu, 20 Feb 2014)
- Adding disks with 'gnt-instance modify' now waits for the disks to sync per default. Specify --no-wait-for-sync to override this behavior.
- The Ganeti python code now adheres to a private-module layout. In particular, the module 'ganeti' is no longer in the python search path.
- On instance allocation, the iallocator now considers non-LVM storage properly. In particular, actual file storage space information is used when allocating space for a file/sharedfile instance.
- When disabling disk templates cluster-wide, the cluster now first checks whether there are instances still using those templates.
- 'gnt-node list-storage' now also reports storage information about file-based storage types.
- In case of non drbd instances, export *_SECONDARY environment variables as empty strings (and not "None") during 'instance-migrate' related hooks.
KVM hypervisors can now access RBD storage directly without having to go through a block device.
A new command 'gnt-cluster upgrade' was added that automates the upgrade procedure between two Ganeti versions that are both 2.10 or higher.
The move-instance command can now change disk templates when moving instances, and does not require any node placement options to be specified if the destination cluster has a default iallocator.
Users can now change the soundhw and cpuid settings for XEN hypervisors.
Hail and hbal now have the (optional) capability of accessing average CPU load information through the monitoring daemon, and to use it to dynamically adapt the allocation of instances.
Hotplug support. Introduce new option '--hotplug' to
gnt-instance modifyso that disk and NIC modifications take effect without the need of actual reboot. There are a couple of constrains currently for this feature:- only KVM hypervisor (versions >= 1.0) supports it,
- one can not (yet) hotplug a disk using userspace access mode for RBD
- in case of a downgrade instances should suffer a reboot in order to be migratable (due to core change of runtime files)
python-fdsendis required for NIC hotplugging.
- A new test framework for logical units was introduced and the test coverage for logical units was improved significantly.
- Opcodes are entirely generated from Haskell using the tool 'hs2py' and the module 'src/Ganeti/OpCodes.hs'.
- Constants are also generated from Haskell using the tool 'hs2py-constants' and the module 'src/Ganeti/Constants.hs', with the exception of socket related constants, which require changing the cluster configuration file, and HVS related constants, because they are part of a port of instance queries to Haskell. As a result, these changes will be part of the next release of Ganeti.
The following new dependencies have been added/updated.
Python
- The version requirements for
python-mockhave increased to at least version 1.0.1. It is still used for testing only. python-fdsend(https://gitorious.org/python-fdsend) is optional but required for KVM NIC hotplugging to work.
- Fix integer overflow problem in hbal
(Released Wed, 12 Feb 2014)
This was the third RC release of the 2.10 series. Since 2.10.0 rc2:
- Improved hotplug robustness
- Start Ganeti daemons after ensure-dirs during upgrade
- Documentation improvements
Inherited from the 2.9 branch:
- Fix the RAPI instances-multi-alloc call
- assign unique filenames to file-based disks
- gracefully handle degraded non-diskless instances with 0 disks (issue 697)
- noded now runs with its specified group, which is the default group, defaulting to root (issue 707)
- make using UUIDs to identify nodes in gnt-node consistently possible (issue 703)
(Released Fri, 31 Jan 2014)
This was the second RC release of the 2.10 series. Since 2.10.0 rc1:
- Documentation improvements
- Run drbdsetup syncer only on network attach
- Include target node in hooks nodes for migration
- Fix configure dirs
- Support post-upgrade hooks during cluster upgrades
Inherited from the 2.9 branch:
- Ensure that all the hypervisors exist in the config file (Issue 640)
- Correctly recognise the role as master node (Issue 687)
- configure: allow detection of Sphinx 1.2+ (Issue 502)
- gnt-instance now honors the KVM path correctly (Issue 691)
Inherited from the 2.8 branch:
- Change the list separator for the usb_devices parameter from comma to space. Commas could not work because they are already the hypervisor option separator (Issue 649)
- Add support for blktap2 file-driver (Issue 638)
- Add network tag definitions to the haskell codebase (Issue 641)
- Fix RAPI network tag handling
- Add the network tags to the tags searched by gnt-cluster search-tags
- Fix caching bug preventing jobs from being cancelled
- Start-master/stop-master was always failing if ConfD was disabled. (Issue 685)
(Released Tue, 17 Dec 2013)
This was the first RC release of the 2.10 series. Since 2.10.0 beta1:
- All known issues in 2.10.0 beta1 have been resolved (see changes from the 2.8 branch).
- Improve handling of KVM runtime files from earlier Ganeti versions
- Documentation fixes
Inherited from the 2.9 branch:
- use custom KVM path if set for version checking
- SingleNotifyPipeCondition: don't share pollers
Inherited from the 2.8 branch:
- Fixed Luxi daemon socket permissions after master-failover
- Improve IP version detection code directly checking for colons rather than passing the family from the cluster object
- Fix NODE/NODE_RES locking in LUInstanceCreate by not acquiring NODE_RES locks opportunistically anymore (Issue 622)
- Allow link local IPv6 gateways (Issue 624)
- Fix error printing (Issue 616)
- Fix a bug in InstanceSetParams concerning names: in case no name is passed in disk modifications, keep the old one. If name=none then set disk name to None.
- Update build_chroot script to work with the latest hackage packages
- Add a packet number limit to "fping" in master-ip-setup (Issue 630)
- Fix evacuation out of drained node (Issue 615)
- Add default file_driver if missing (Issue 571)
- Fix job error message after unclean master shutdown (Issue 618)
- Lock group(s) when creating instances (Issue 621)
- SetDiskID() before accepting an instance (Issue 633)
- Allow the ext template disks to receive arbitrary parameters, both at creation time and while being modified
- Xen handle domain shutdown (future proofing cherry-pick)
- Refactor reading live data in htools (future proofing cherry-pick)
(Released Wed, 27 Nov 2013)
This was the first beta release of the 2.10 series. All important changes are listed in the latest 2.10 entry.
The following issues are known to be present in the beta and will be fixed before rc1.
- Issue 477: Wrong permissions for confd LUXI socket
- Issue 621: Instance related opcodes do not aquire network/group locks
- Issue 622: Assertion Error: Node locks differ from node resource locks
- Issue 623: IPv6 Masterd <-> Luxid communication error
(Released Fri, 11 Dec 2015)
Security release.
CVE-2015-7944
Ganeti provides a RESTful control interface called the RAPI. Its HTTPS implementation is vulnerable to DoS attacks via client-initiated SSL parameter renegotiation. While the interface is not meant to be exposed publicly, due to the fact that it binds to all interfaces, we believe some users might be exposing it unintentionally and are vulnerable. A DoS attack can consume resources meant for Ganeti daemons and instances running on the master node, making both perform badly.
Fixes are not feasible due to the OpenSSL Python library not exposing functionality needed to disable client-side renegotiation. Instead, we offer instructions on how to control RAPI's exposure, along with info on how RAPI can be setup alongside an HTTPS proxy in case users still want or need to expose the RAPI interface. The instructions are outlined in Ganeti's security document: doc/html/security.html
CVE-2015-7945
Ganeti leaks the DRBD secret through the RAPI interface. Examining job results after an instance information job reveals the secret. With the DRBD secret, access to the local cluster network, and ARP poisoning, an attacker can impersonate a Ganeti node and clone the disks of a DRBD-based instance. While an attacker with access to the cluster network is already capable of accessing any data written as DRBD traffic is unencrypted, having the secret expedites the process and allows access to the entire disk.
Fixes contained in this release prevent the secret from being exposed via the RAPI. The DRBD secret can be changed by converting an instance to plain and back to DRBD, generating a new secret, but redundancy will be lost until the process completes. Since attackers with node access are capable of accessing some and potentially all data even without the secret, we do not recommend that the secret be changed for existing instances.
- gnt-instance replace-disks no longer crashes when --ignore-policy is passed to it
- Stop MonD when removing a node from a cluster
- Fix file descriptor leak in Confd client
- Always install SIGHUP handler for Haskell daemons (Issue 755)
- Make ganeti-cleaner switch to a safe working directory (Issue 880)
- Make htools tolerate missing "spfree" on Luxi
- DRBD parser: consume initial empty resource lines (Issue 869)
- KVM: set IFF_ONE_QUEUE on created tap interfaces
- Set exclusion tags correctly in requested instance
(Released Mon, 7 Apr 2014)
- Improve RAPI detection of the watcher (Issue 752)
- gnt-cluster copyfile: accept relative paths (Issue 754)
- Make watcher submit queries low priority (Issue 772)
- Add reason parameter to RAPI client functions (Issue 776)
- Fix failing gnt-node list-drbd command (Issue 777)
- Properly display fake job locks in gnt-debug.
- Enable timeout for instance shutdown
- small fixes in documentation
(Released Tue, 25 Feb 2014)
- Fix overflow problem in hbal that caused it to break when waiting for jobs for more than 10 minutes (issue 717)
- Make hbal properly handle non-LVM storage
- Properly export and import NIC parameters, and do so in a backwards compatible way (issue 716)
- Fix net-common script in case of routed mode (issue 728)
- Improve documentation (issues 724, 730)
(Released Mon, 10 Feb 2014)
- Fix the RAPI instances-multi-alloc call
- assign unique filenames to file-based disks
- gracefully handle degraded non-diskless instances with 0 disks (issue 697)
- noded now runs with its specified group, which is the default group, defaulting to root (issue 707)
- make using UUIDs to identify nodes in gnt-node consistently possible (issue 703)
(Released Mon, 27 Jan 2014)
- Ensure that all the hypervisors exist in the config file (Issue 640)
- Correctly recognise the role as master node (Issue 687)
- configure: allow detection of Sphinx 1.2+ (Issue 502)
- gnt-instance now honors the KVM path correctly (Issue 691)
Inherited from the 2.8 branch:
- Change the list separator for the usb_devices parameter from comma to space. Commas could not work because they are already the hypervisor option separator (Issue 649)
- Add support for blktap2 file-driver (Issue 638)
- Add network tag definitions to the haskell codebase (Issue 641)
- Fix RAPI network tag handling
- Add the network tags to the tags searched by gnt-cluster search-tags
- Fix caching bug preventing jobs from being cancelled
- Start-master/stop-master was always failing if ConfD was disabled. (Issue 685)
(Released Fri, 13 Dec 2013)
- use custom KVM path if set for version checking
- SingleNotifyPipeCondition: don't share pollers
Inherited from the 2.8 branch:
- Fixed Luxi daemon socket permissions after master-failover
- Improve IP version detection code directly checking for colons rather than passing the family from the cluster object
- Fix NODE/NODE_RES locking in LUInstanceCreate by not acquiring NODE_RES locks opportunistically anymore (Issue 622)
- Allow link local IPv6 gateways (Issue 624)
- Fix error printing (Issue 616)
- Fix a bug in InstanceSetParams concerning names: in case no name is passed in disk modifications, keep the old one. If name=none then set disk name to None.
- Update build_chroot script to work with the latest hackage packages
- Add a packet number limit to "fping" in master-ip-setup (Issue 630)
- Fix evacuation out of drained node (Issue 615)
- Add default file_driver if missing (Issue 571)
- Fix job error message after unclean master shutdown (Issue 618)
- Lock group(s) when creating instances (Issue 621)
- SetDiskID() before accepting an instance (Issue 633)
- Allow the ext template disks to receive arbitrary parameters, both at creation time and while being modified
- Xen handle domain shutdown (future proofing cherry-pick)
- Refactor reading live data in htools (future proofing cherry-pick)
(Released Wed, 13 Nov 2013)
- fix bug, that kept nodes offline when readding
- when verifying DRBD versions, ignore unavailable nodes
- fix bug that made the console unavailable on kvm in split-user setup (issue 608)
- DRBD: ensure peers are UpToDate for dual-primary (inherited 2.8.2)
(Released Tue, 5 Nov 2013)
- hroller now also plans for capacity to move non-redundant instances off any node to be rebooted; the old behavior of completely ignoring any non-redundant instances can be restored by adding the --ignore-non-redundant option.
- The cluster option '--no-lvm-storage' was removed in favor of the new option '--enabled-disk-templates'.
- On instance creation, disk templates no longer need to be specified with '-t'. The default disk template will be taken from the list of enabled disk templates.
- The monitoring daemon is now running as root, in order to be able to collect information only available to root (such as the state of Xen instances).
- The ConfD client is now IPv6 compatible.
- File and shared file storage is no longer dis/enabled at configure time, but using the option '--enabled-disk-templates' at cluster initialization and modification.
- The default directories for file and shared file storage are not anymore specified at configure time, but taken from the cluster's configuration. They can be set at cluster initialization and modification with '--file-storage-dir' and '--shared-file-storage-dir'.
- Cluster verification now includes stricter checks regarding the default file and shared file storage directories. It now checks that the directories are explicitly allowed in the 'file-storage-paths' file and that the directories exist on all nodes.
- The list of allowed disk templates in the instance policy and the list of cluster-wide enabled disk templates is now checked for consistency on cluster or group modification. On cluster initialization, the ipolicy disk templates are ensured to be a subset of the cluster-wide enabled disk templates.
- DRBD 8.4 support. Depending on the installed DRBD version, Ganeti now uses
the correct command syntax. It is possible to use different DRBD versions
on different nodes as long as they are compatible to each other. This
enables rolling upgrades of DRBD with no downtime. As permanent operation
of different DRBD versions within a node group is discouraged,
gnt-cluster verifywill emit a warning if it detects such a situation. - New "inst-status-xen" data collector for the monitoring daemon, providing information about the state of the xen instances on the nodes.
- New "lv" data collector for the monitoring daemon, collecting data about the logical volumes on the nodes, and pairing them with the name of the instances they belong to.
- New "diskstats" data collector, collecting the data from /proc/diskstats and presenting them over the monitoring daemon interface.
- The ConfD client is now IPv6 compatible.
The following new dependencies have been added.
Python
python-mock(http://www.voidspace.org.uk/python/mock/) is now a required for the unit tests (and only used for testing).
Haskell
hslogger(http://software.complete.org/hslogger) is now always required, even if confd is not enabled.
- Correctly start/stop luxid during gnt-cluster master-failover (inherited from stable-2.8)
- Improved error messsages (inherited from stable-2.8)
(Released Tue, 15 Oct 2013)
The third release candidate in the 2.9 series. Since 2.9.0 rc2:
- in implicit configuration upgrade, match ipolicy with enabled disk templates
- improved harep documentation (inherited from stable-2.8)
(Released Wed, 9 Oct 2013)
The second release candidate in the 2.9 series. Since 2.9.0 rc1:
- Fix bug in cfgupgrade that led to failure when upgrading from 2.8 with at least one DRBD instance.
- Fix bug in cfgupgrade that led to an invalid 2.8 configuration after downgrading.
(Released Tue, 1 Oct 2013)
The first release candidate in the 2.9 series. Since 2.9.0 beta1:
- various bug fixes
- update of the documentation, in particular installation instructions
- merging of LD_* constants into DT_* constants
- python style changes to be compatible with newer versions of pylint
(Released Thu, 29 Aug 2013)
This was the first beta release of the 2.9 series. All important changes are listed in the latest 2.9 entry.
(Released Thu, 23 Jan 2014)
- Change the list separator for the usb_devices parameter from comma to space. Commas could not work because they are already the hypervisor option separator (Issue 649)
- Add support for blktap2 file-driver (Issue 638)
- Add network tag definitions to the haskell codebase (Issue 641)
- Fix RAPI network tag handling
- Add the network tags to the tags searched by gnt-cluster search-tags
- Fix caching bug preventing jobs from being cancelled
- Start-master/stop-master was always failing if ConfD was disabled. (Issue 685)
(Released Thu, 12 Dec 2013)
- Fixed Luxi daemon socket permissions after master-failover
- Improve IP version detection code directly checking for colons rather than passing the family from the cluster object
- Fix NODE/NODE_RES locking in LUInstanceCreate by not acquiring NODE_RES locks opportunistically anymore (Issue 622)
- Allow link local IPv6 gateways (Issue 624)
- Fix error printing (Issue 616)
- Fix a bug in InstanceSetParams concerning names: in case no name is passed in disk modifications, keep the old one. If name=none then set disk name to None.
- Update build_chroot script to work with the latest hackage packages
- Add a packet number limit to "fping" in master-ip-setup (Issue 630)
- Fix evacuation out of drained node (Issue 615)
- Add default file_driver if missing (Issue 571)
- Fix job error message after unclean master shutdown (Issue 618)
- Lock group(s) when creating instances (Issue 621)
- SetDiskID() before accepting an instance (Issue 633)
- Allow the ext template disks to receive arbitrary parameters, both at creation time and while being modified
- Xen handle domain shutdown (future proofing cherry-pick)
- Refactor reading live data in htools (future proofing cherry-pick)
(Released Thu, 07 Nov 2013)
- DRBD: ensure peers are UpToDate for dual-primary
- Improve error message for replace-disks
- More dependency checks at configure time
- Placate warnings on ganeti.outils_unittest.py
(Released Thu, 17 Oct 2013)
- Correctly start/stop luxid during gnt-cluster master-failover
- Don't attempt IPv6 ssh in case of IPv4 cluster (Issue 595)
- Fix path for the job queue serial file
- Improved harep man page
- Minor documentation improvements
(Released Mon, 30 Sep 2013)
- Instance policy can contain multiple instance specs, as described in
the “Constrained instance sizes” section of :doc:`Partitioned Ganeti
<design-partitioned>`. As a consequence, it's not possible to partially change
or override instance specs. Bounding specs (min and max) can be specified as a
whole using the new option
--ipolicy-bounds-specs, while standard specs use the new option--ipolicy-std-specs. - The output of the info command of gnt-cluster, gnt-group, gnt-node, gnt-instance is a valid YAML object.
- hail now honors network restrictions when allocating nodes. This led to an update of the IAllocator protocol. See the IAllocator documentation for details.
- confd now only answers static configuration request over the network. luxid was extracted, listens on the local LUXI socket and responds to live queries. This allows finer grained permissions if using separate users.
- The :doc:`Remote API <rapi>` daemon now supports a command line flag
to always require authentication,
--require-authentication. It can be specified in$sysconfdir/default/ganeti. - A new cluster attribute 'enabled_disk_templates' is introduced. It will be used to manage the disk templates to be used by instances in the cluster. Initially, it will be set to a list that includes plain, drbd, if they were enabled by specifying a volume group name, and file and sharedfile, if those were enabled at configure time. Additionally, it will include all disk templates that are currently used by instances. The order of disk templates will be based on Ganeti's history of supporting them. In the future, the first entry of the list will be used as a default disk template on instance creation.
cfgupgradenow supports a--downgradeoption to bring the configuration back to the previous stable version.- Disk templates in group ipolicy can be restored to the default value.
- Initial support for diskless instances and virtual clusters in QA.
- More QA and unit tests for instance policies.
- Every opcode now contains a reason trail (visible through
gnt-job info) describing why the opcode itself was executed. - The monitoring daemon is now available. It allows users to query the cluster for obtaining information about the status of the system. The daemon is only responsible for providing the information over the network: the actual data gathering is performed by data collectors (currently, only the DRBD status collector is available).
- In order to help developers work on Ganeti, a new script
(
devel/build_chroot) is provided, for building a chroot that contains all the required development libraries and tools for compiling Ganeti on a Debian Squeeze system. - A new tool,
harep, for performing self-repair and recreation of instances in Ganeti has been added. - Split queries are enabled for tags, network, exports, cluster info, groups, jobs, nodes.
- New command
show-ispecs-cmdforgnt-clusterandgnt-group. It prints the command line to set the current policies, to ease changing them. - Add the
vnet_hdrHV parameter for KVM, to control whether the tap devices for KVM virtio-net interfaces will get created with VNET_HDR (IFF_VNET_HDR) support. If set to false, it disables offloading on the virtio-net interfaces, which prevents host kernel tainting and log flooding, when dealing with broken or malicious virtio-net drivers. It's set to true by default. - Instance failover now supports a
--cleanupparameter for fixing previous failures. - Support 'viridian' parameter in Xen HVM
- Support DSA SSH keys in bootstrap
- To simplify the work of packaging frameworks that want to add the needed users
and groups in a split-user setup themselves, at build time three files in
doc/userswill be generated. Thegroupsfiles contains, one per line, the groups to be generated, theusersfile contains, one per line, the users to be generated, optionally followed by their primary group, where important. Thegroupmembershipsfile contains, one per line, additional user-group membership relations that need to be established. The syntax of these files will remain stable in all future versions.
The following new dependencies have been added:
For Haskell:
- The curl library is not optional anymore for compiling the Haskell code.
- snap-server library (if monitoring is enabled).
For Python:
- The minimum Python version needed to run Ganeti is now 2.6.
- yaml library (only for running the QA).
- Perform proper cleanup on termination of Haskell daemons
- Fix corner-case in handling of remaining retry time
(Released Tue, 17 Sep 2013)
- To simplify the work of packaging frameworks that want to add the needed users
and groups in a split-user setup themselves, at build time three files in
doc/userswill be generated. Thegroupsfiles contains, one per line, the groups to be generated, theusersfile contains, one per line, the users to be generated, optionally followed by their primary group, where important. Thegroupmembershipsfile contains, one per line, additional user-group membership relations that need to be established. The syntax of these files will remain stable in all future versions. - Add a default to file-driver when unspecified over RAPI (Issue 571)
- Mark the DSA host pubkey as optional, and remove it during config downgrade (Issue 560)
- Some documentation fixes
(Released Tue, 27 Aug 2013)
The second release candidate of the 2.8 series. Since 2.8.0. rc1:
- Support 'viridian' parameter in Xen HVM (Issue 233)
- Include VCS version in
gnt-cluster version - Support DSA SSH keys in bootstrap (Issue 338)
- Fix batch creation of instances
- Use FQDN to check master node status (Issue 551)
- Make the DRBD collector more failure-resilient
(Released Fri, 2 Aug 2013)
The first release candidate of the 2.8 series. Since 2.8.0 beta1:
- Fix upgrading/downgrading from 2.7
- Increase maximum RAPI message size
- Documentation updates
- Split
confdbetweenluxidandconfd - Merge 2.7 series up to the 2.7.1 release
- Allow the
modify_etc_hostsoption to be changed - Add better debugging for
luxidqueries - Expose bulk parameter for GetJobs in RAPI client
- Expose missing
networkfields in RAPI - Add some
cluster verifytests - Some unittest fixes
- Fix a malfunction in
hspace's tiered allocation - Fix query compatibility between haskell and python implementations
- Add the
vnet_hdrHV parameter for KVM - Add
--cleanupto instance failover - Change the connected groups format in
gnt-network infooutput; it was previously displayed as a raw list by mistake. (Merged from 2.7)
(Released Mon, 24 Jun 2013)
This was the first beta release of the 2.8 series. All important changes are listed in the latest 2.8 entry.
(Released Thu, 26 Sep 2013)
- Change the connected groups format in
gnt-network infooutput; it was previously displayed as a raw list by mistake - Check disk template in right dict when copying
- Support multi-instance allocs without iallocator
- Fix some errors in the documentation
- Fix formatting of tuple in an error message
(Released Thu, 25 Jul 2013)
- Add logrotate functionality in daemon-util
- Add logrotate example file
- Add missing fields to network queries over rapi
- Fix network object timestamps
- Add support for querying network timestamps
- Fix a typo in the example crontab
- Fix a documentation typo
(Released Thu, 04 Jul 2013)
- Instance policies for disk size were documented to be on a per-disk basis, but hail applied them to the sum of all disks. This has been fixed.
hbalwill now exit with status 0 if, during job execution over LUXI, early exit has been requested and all jobs are successful; before, exit status 1 was used, which cannot be differentiated from "job error" case- Compatibility with newer versions of rbd has been fixed
gnt-instance batch-createhas been changed to use the bulk create opcode from Ganeti. This lead to incompatible changes in the format of the JSON file. It's now not a custom dict anymore but a dict compatible with theOpInstanceCreateopcode.- Parent directories for file storage need to be listed in
$sysconfdir/ganeti/file-storage-pathsnow.cfgupgradewill write the file automatically based on old configuration values, but it can not distribute it across all nodes and the file contents should be verified. Usegnt-cluster copyfile $sysconfdir/ganeti/file-storage-pathsonce the cluster has been upgraded. The reason for requiring this list of paths now is that before it would have been possible to inject new paths via RPC, allowing files to be created in arbitrary locations. The RPC protocol is protected using SSL/X.509 certificates, but as a design principle Ganeti does not permit arbitrary paths to be passed. - The parsing of the variants file for OSes (see
:manpage:`ganeti-os-interface(7)`) has been slightly changed: now empty
lines and comment lines (starting with
#) are ignored for better readability. - The
setup-sshtool added in Ganeti 2.2 has been replaced and is no longer available.gnt-node addnow invokes a new tool on the destination node, namedprepare-node-join, to configure the SSH daemon. Paramiko is no longer necessary to configure nodes' SSH daemons viagnt-node add. - Draining (
gnt-cluster queue drain) and un-draining the job queue (gnt-cluster queue undrain) now affects all nodes in a cluster and the flag is not reset after a master failover. - Python 2.4 has not been tested with this release. Using 2.6 or above is recommended. 2.6 will be mandatory from the 2.8 series.
- New network management functionality to support automatic allocation of IP addresses and managing of network parameters. See :manpage:`gnt-network(8)` for more details.
- New external storage backend, to allow managing arbitrary storage systems external to the cluster. See :manpage:`ganeti-extstorage-interface(7)`.
- New
exclusive-storagenode parameter added, restricted to nodegroup level. When it's set to true, physical disks are assigned in an exclusive fashion to instances, as documented in :doc:`Partitioned Ganeti <design-partitioned>`. Currently, only instances using theplaindisk template are supported. - The KVM hypervisor has been updated with many new hypervisor parameters, including a generic one for passing arbitrary command line values. See a complete list in :manpage:`gnt-instance(8)`. It is now compatible up to qemu 1.4.
- A new tool, called
mon-collector, is the stand-alone executor of the data collectors for a monitoring system. As of this version, it just includes the DRBD data collector, that can be executed by callingmon-collectorusing thedrbdparameter. See :manpage:`mon-collector(7)`. - A new user option, :pyeval:`rapi.RAPI_ACCESS_READ`, has been added for RAPI users. It allows granting permissions to query for information to a specific user without giving :pyeval:`rapi.RAPI_ACCESS_WRITE` permissions.
- A new tool named
node-cleanuphas been added. It cleans remains of a cluster from a machine by stopping all daemons, removing certificates and ssconf files. Unless the--no-backupoption is given, copies of the certificates are made. - Instance creations now support the use of opportunistic locking,
potentially speeding up the (parallel) creation of multiple instances.
This feature is currently only available via the :doc:`RAPI
<rapi>` interface and when an instance allocator is used. If the
opportunistic_lockingparameter is set the opcode will try to acquire as many locks as possible, but will not wait for any locks held by other opcodes. If not enough resources can be found to allocate the instance, the temporary error code :pyeval:`errors.ECODE_TEMP_NORES` is returned. The operation can be retried thereafter, with or without opportunistic locking. - New experimental linux-ha resource scripts.
- Restricted-commands support: ganeti can now be asked (via command line
or rapi) to perform commands on a node. These are passed via ganeti
RPC rather than ssh. This functionality is restricted to commands
specified on the
$sysconfdir/ganeti/restricted-commandsfor security reasons. The file is not copied automatically.
- Diskless instances are now externally mirrored (Issue 237). This for now has only been tested in conjunction with explicit target nodes for migration/failover.
- Queries not needing locks or RPC access to the node can now be performed by the confd daemon, making them independent from jobs, and thus faster to execute. This is selectable at configure time.
- The functionality for allocating multiple instances at once has been overhauled and is now also available through :doc:`RAPI <rapi>`.
There are no significant changes from version 2.7.0~rc3.
(Released Tue, 25 Jun 2013)
- Fix permissions on the confd query socket (Issue 477)
- Fix permissions on the job archive dir (Issue 498)
- Fix handling of an internal exception in replace-disks (Issue 472)
- Fix gnt-node info handling of shortened names (Issue 497)
- Fix gnt-instance grow-disk when wiping is enabled
- Documentation improvements, and support for newer pandoc
- Fix hspace honoring ipolicy for disks (Issue 484)
- Improve handling of the
kvm_extraHV parameter
(Released Fri, 24 May 2013)
devel/uploadnow works when/var/runon the target nodes is a symlink.- Disks added through
gnt-instance modifyor created throughgnt-instance recreate-disksare wiped, if theprealloc_wipe_disksflag is set. - If wiping newly created disks fails, the disks are removed. Also,
partial failures in creating disks through
gnt-instance modifytriggers a cleanup of the partially-created disks. - Removing the master IP address doesn't fail if the address has been already removed.
- Fix ownership of the OS log dir
- Workaround missing SO_PEERCRED constant (Issue 191)
(Released Fri, 3 May 2013)
This was the first release candidate of the 2.7 series. Since beta3:
- Fix kvm compatibility with qemu 1.4 (Issue 389)
- Documentation updates (admin guide, upgrade notes, install instructions) (Issue 372)
- Fix gnt-group list nodes and instances count (Issue 436)
- Fix compilation without non-mandatory libraries (Issue 441)
- Fix xen-hvm hypervisor forcing nics to type 'ioemu' (Issue 247)
- Make confd logging more verbose at INFO level (Issue 435)
- Improve "networks" documentation in :manpage:`gnt-instance(8)`
- Fix failure path for instance storage type conversion (Issue 229)
- Update htools text backend documentation
- Improve the renew-crypto section of :manpage:`gnt-cluster(8)`
- Disable inter-cluster instance move for file-based instances, because it is dependant on instance export, which is not supported for file-based instances. (Issue 414)
- Fix gnt-job crashes on non-ascii characters (Issue 427)
- Fix volume group checks on non-vm-capable nodes (Issue 432)
(Released Mon, 22 Apr 2013)
This was the third beta release of the 2.7 series. Since beta2:
- Fix hail to verify disk instance policies on a per-disk basis (Issue 418).
- Fix data loss on wrong usage of
gnt-instance move - Properly export errors in confd-based job queries
- Add
users-setuptool - Fix iallocator protocol to report 0 as a disk size for diskless instances. This avoids hail breaking when a diskless instance is present.
- Fix job queue directory permission problem that made confd job queries
fail. This requires running an
ensure-dirs --full-runon upgrade for access to archived jobs (Issue 406). - Limit the sizes of networks supported by
gnt-networkto something between a/16and a/30to prevent memory bloat and crashes. - Fix bugs in instance disk template conversion
- Fix GHC 7 compatibility
- Fix
burnininstall path (Issue 426). - Allow very small disk grows (Issue 347).
- Fix a
ganeti-nodedmemory bloat introduced in 2.5, by making sure that noded doesn't import masterd code (Issue 419). - Make sure the default metavg at cluster init is the same as the vg, if unspecified (Issue 358).
- Fix cleanup of partially created disks (part of Issue 416)
(Released Tue, 2 Apr 2013)
This was the second beta release of the 2.7 series. Since beta1:
- Networks no longer have a "type" slot, since this information was unused in Ganeti: instead of it tags should be used.
- The rapi client now has a
target_nodeoption to MigrateInstance. - Fix early exit return code for hbal (Issue 386).
- Fix
gnt-instance migrate/failover -n(Issue 396). - Fix
rbd showmappedoutput parsing (Issue 312). - Networks are now referenced indexed by UUID, rather than name. This will require running cfgupgrade, from 2.7.0beta1, if networks are in use.
- The OS environment now includes network information.
- Deleting of a network is now disallowed if any instance nic is using it, to prevent dangling references.
- External storage is now documented in man pages.
- The exclusive_storage flag can now only be set at nodegroup level.
- Hbal can now submit an explicit priority with its jobs.
- Many network related locking fixes.
- Bump up the required pylint version to 0.25.1.
- Fix the
no_rememberoption in RAPI client. - Many ipolicy related tests, qa, and fixes.
- Many documentation improvements and fixes.
- Fix building with
--disable-file-storage. - Fix
-qoption in htools, which was broken if passed more than once. - Some haskell/python interaction improvements and fixes.
- Fix iallocator in case of missing LVM storage.
- Fix confd config load in case of
--no-lvm-storage. - The confd/query functionality is now mentioned in the security documentation.
(Released Wed, 6 Feb 2013)
This was the first beta release of the 2.7 series. All important changes are listed in the latest 2.7 entry.
(Released Fri, 21 Dec 2012)
Important behaviour change: hbal won't rebalance anymore instances which
have the auto_balance attribute set to false. This was the intention
all along, but until now it only skipped those from the N+1 memory
reservation (DRBD-specific).
A significant number of bug fixes in this release:
- Fixed disk adoption interaction with ipolicy checks.
- Fixed networking issues when instances are started, stopped or migrated, by forcing the tap device's MAC prefix to "fe" (issue 217).
- Fixed the warning in cluster verify for shared storage instances not being redundant.
- Fixed removal of storage directory on shared file storage (issue 262).
- Fixed validation of LVM volume group name in OpClusterSetParams
(
gnt-cluster modify) (issue 285). - Fixed runtime memory increases (
gnt-instance modify -m). - Fixed live migration under Xen's
xlmode. - Fixed
gnt-instance consolewithxl. - Fixed building with newer Haskell compiler/libraries.
- Fixed PID file writing in Haskell daemons (confd); this prevents
restart issues if confd was launched manually (outside of
daemon-util) while another copy of it was running - Fixed a type error when doing live migrations with KVM (issue 297) and the error messages for failing migrations have been improved.
- Fixed opcode validation for the out-of-band commands (
gnt-node power). - Fixed a type error when unsetting OS hypervisor parameters (issue 311); now it's possible to unset all OS-specific hypervisor parameters.
- Fixed the
dry-runmode for many operations: verification of results was over-zealous but didn't take into account thedry-runoperation, resulting in "wrong" failures. - Fixed bash completion in
gnt-job listwhen the job queue has hundreds of entries; especially with olderbashversions, this results in significant CPU usage.
And lastly, a few other improvements have been made:
- Added option to force master-failover without voting (issue 282).
- Clarified error message on lock conflict (issue 287).
- Logging of newly submitted jobs has been improved (issue 290).
- Hostname checks have been made uniform between instance rename and create (issue 291).
- The
--submitoption is now supported bygnt-debug delay. - Shutting down the master daemon by sending SIGTERM now stops it from processing jobs waiting for locks; instead, those jobs will be started once again after the master daemon is started the next time (issue 296).
- Support for Xen's
xlprogram has been improved (besides the fixes above). - Reduced logging noise in the Haskell confd daemon (only show one log entry for each config reload, instead of two).
- Several man page updates and typo fixes.
(Released Fri, 12 Oct 2012)
A small bugfix release. Among the bugs fixed:
- Fixed double use of
PRIORITY_OPTingnt-node migrate, that made the command unusable. - Commands that issue many jobs don't fail anymore just because some jobs take so long that other jobs are archived.
- Failures during
gnt-instance reinstallare reflected by the exit status. - Issue 190 fixed. Check for DRBD in cluster verify is enabled only when DRBD is enabled.
- When
always_failoveris set,--allow-failoveris not required in migrate commands anymore. bash_completionworks even if extglob is disabled.- Fixed bug with locks that made failover for RDB-based instances fail.
- Fixed bug in non-mirrored instance allocation that made Ganeti choose a random node instead of one based on the allocator metric.
- Support for newer versions of pylint and pep8.
- Hail doesn't fail anymore when trying to add an instance of type
file,sharedfileorrbd. - Added new Makefile target to rebuild the whole distribution, so that all files are included.
(Released Fri, 27 Jul 2012)
Attention!
The LUXI protocol has been made more consistent
regarding its handling of command arguments. This, however, leads to
incompatibility issues with previous versions. Please ensure that you
restart Ganeti daemons soon after the upgrade, otherwise most
LUXI calls (job submission, setting/resetting the drain flag,
pausing/resuming the watcher, cancelling and archiving jobs, querying
the cluster configuration) will fail.
The current admin_up field, which used to denote whether an instance
should be running or not, has been removed. Instead, admin_state is
introduced, with 3 possible values -- up, down and offline.
The rational behind this is that an instance being “down” can have different meanings:
- it could be down during a reboot
- it could be temporarily be down for a reinstall
- or it could be down because it is deprecated and kept just for its disk
The previous Boolean state was making it difficult to do capacity calculations: should Ganeti reserve memory for a down instance? Now, the tri-state field makes it clear:
- in
upanddownstate, all resources are reserved for the instance, and it can be at any time brought up if it is down - in
offlinestate, only disk space is reserved for it, but not memory or CPUs
The field can have an extra use: since the transition between up and
down and vice-versus is done via gnt-instance start/stop, but
transition between offline and down is done via gnt-instance
modify, it is possible to given different rights to users. For
example, owners of an instance could be allowed to start/stop it, but
not transition it out of the offline state.
In previous Ganeti versions, an instance creation request was not
limited on the minimum size and on the maximum size just by the cluster
resources. As such, any policy could be implemented only in third-party
clients (RAPI clients, or shell wrappers over gnt-*
tools). Furthermore, calculating cluster capacity via hspace again
required external input with regards to instance sizes.
In order to improve these workflows and to allow for example better per-node group differentiation, we introduced instance specs, which allow declaring:
- minimum instance disk size, disk count, memory size, cpu count
- maximum values for the above metrics
- and “standard” values (used in
hspaceto calculate the standard sized instances)
The minimum/maximum values can be also customised at node-group level, for example allowing more powerful hardware to support bigger instance memory sizes.
Beside the instance specs, there are a few other settings belonging to the instance policy framework. It is possible now to customise, per cluster and node-group:
- the list of allowed disk templates
- the maximum ratio of VCPUs per PCPUs (to control CPU oversubscription)
- the maximum ratio of instance to spindles (see below for more information) for local storage
All these together should allow all tools that talk to Ganeti to know what are the ranges of allowed values for instances and the over-subscription that is allowed.
For the VCPU/PCPU ratio, we already have the VCPU configuration from the instance configuration, and the physical CPU configuration from the node. For the spindle ratios however, we didn't track before these values, so new parameters have been added:
- a new node parameter
spindle_count, defaults to 1, customisable at node group or node level - at new backend parameter (for instances),
spindle_usedefaults to 1
Note that spindles in this context doesn't need to mean actual mechanical hard-drives; it's just a relative number for both the node I/O capacity and instance I/O consumption.
While live-migration is in general desirable over failover, it is possible that for some workloads it is actually worse, due to the variable time of the “suspend” phase during live migration.
To allow the tools to work consistently over such instances (without
having to hard-code instance names), a new backend parameter
always_failover has been added to control the migration/failover
behaviour. When set to True, all migration requests for an instance will
instead fall-back to failover.
Initial support for memory ballooning has been added. The memory for an
instance is no longer fixed (backend parameter memory), but instead
can vary between minimum and maximum values (backend parameters
minmem and maxmem). Currently we only change an instance's
memory when:
- live migrating or failing over and instance and the target node doesn't have enough memory
- user requests changing the memory via
gnt-instance modify --runtime-memory
In order to control the use of specific CPUs by instance, support for
controlling CPU pinning has been added for the Xen, HVM and LXC
hypervisors. This is controlled by a new hypervisor parameter
cpu_mask; details about possible values for this are in the
:manpage:`gnt-instance(8)`. Note that use of the most specific (precise
VCPU-to-CPU mapping) form will work well only when all nodes in your
cluster have the same amount of CPUs.
Another area in which Ganeti was not customisable were the parameters used for storage configuration, e.g. how many stripes to use for LVM, DRBD resync configuration, etc.
To improve this area, we've added disks parameters, which are customisable at cluster and node group level, and which allow to specify various parameters for disks (DRBD has the most parameters currently), for example:
- DRBD resync algorithm and parameters (e.g. speed)
- the default VG for meta-data volumes for DRBD
- number of stripes for LVM (plain disk template)
- the RBD pool
These parameters can be modified via gnt-cluster modify -D … and
gnt-group modify -D …, and are used at either instance creation (in
case of LVM stripes, for example) or at disk “activation” time
(e.g. resync speed).
A Rados (http://ceph.com/wiki/Rbd) storage backend has been added,
denoted by the rbd disk template type. This is considered
experimental, feedback is welcome. For details on configuring it, see
the :doc:`install` document and the :manpage:`gnt-cluster(8)` man page.
The existing master IP functionality works well only in simple setups (a
single network shared by all nodes); however, if nodes belong to
different networks, then the /32 setup and lack of routing
information is not enough.
To allow the master IP to function well in more complex cases, the system was reworked as follows:
- a master IP netmask setting has been added
- the master IP activation/turn-down code was moved from the node daemon to a separate script
- whether to run the Ganeti-supplied master IP script or a user-supplied
on is a
gnt-cluster initsetting
Details about the location of the standard and custom setup scripts are in the man page :manpage:`gnt-cluster(8)`; for information about the setup script protocol, look at the Ganeti-supplied script.
The SPICE support has been improved.
It is now possible to use TLS-protected connections, and when renewing
or changing the cluster certificates (via gnt-cluster renew-crypto,
it is now possible to specify spice or spice CA certificates. Also, it
is possible to configure a password for SPICE sessions via the
hypervisor parameter spice_password_file.
There are also new parameters to control the compression and streaming
options (e.g. spice_image_compression, spice_streaming_video,
etc.). For details, see the man page :manpage:`gnt-instance(8)` and look
for the spice parameters.
Lastly, it is now possible to see the SPICE connection information via
gnt-instance console.
A new tool (tools/ovfconverter) has been added that supports
conversion between Ganeti and the Open Virtualization Format (both to and
from).
This relies on the qemu-img tool to convert the disk formats, so the
actual compatibility with other virtualization solutions depends on it.
The configuration query daemon (ganeti-confd) is now optional, and
has been rewritten in Haskell; whether to use the daemon at all, use the
Python (default) or the Haskell version is selectable at configure time
via the --enable-confd parameter, which can take one of the
haskell, python or no values. If not used, disabling the
daemon will result in a smaller footprint; for larger systems, we
welcome feedback on the Haskell version which might become the default
in future versions.
If you want to use gnt-node list-drbd you need to have the Haskell
daemon running. The Python version doesn't implement the new call.
We have replaced the --disks option of gnt-instance
replace-disks with a more flexible --disk option, which allows
adding and removing disks at arbitrary indices (Issue 188). Furthermore,
disk size and mode can be changed upon recreation (via gnt-instance
recreate-disks, which accepts the same --disk option).
As many people are used to a show command, we have added that as an
alias to info on all gnt-* commands.
The gnt-instance grow-disk command has a new mode in which it can
accept the target size of the disk, instead of the delta; this can be
more safe since two runs in absolute mode will be idempotent, and
sometimes it's also easier to specify the desired size directly.
Also the handling of instances with regard to offline secondaries has been improved. Instance operations should not fail because one of it's secondary nodes is offline, even though it's safe to proceed.
A new command list-drbd has been added to the gnt-node script to
support debugging of DRBD issues on nodes. It provides a mapping of DRBD
minors to instance name.
RAPI coverage has improved, with (for example) new resources for recreate-disks, node power-cycle, etc.
There is partial support for xl in the Xen hypervisor; feedback is
welcome.
Python 2.7 is better supported, and after Ganeti 2.6 we will investigate whether to still support Python 2.4 or move to Python 2.6 as minimum required version.
Support for Fedora has been slightly improved; the provided example init.d script should work better on it and the INSTALL file should document the needed dependencies.
The deprecated QueryLocks LUXI request has been removed. Use
Query(what=QR_LOCK, ...) instead.
The LUXI requests :pyeval:`luxi.REQ_QUERY_JOBS`, :pyeval:`luxi.REQ_QUERY_INSTANCES`, :pyeval:`luxi.REQ_QUERY_NODES`, :pyeval:`luxi.REQ_QUERY_GROUPS`, :pyeval:`luxi.REQ_QUERY_EXPORTS` and :pyeval:`luxi.REQ_QUERY_TAGS` are deprecated and will be removed in a future version. :pyeval:`luxi.REQ_QUERY` should be used instead.
RAPI client: CertificateError now derives from
GanetiApiError. This should make it more easy to handle Ganeti
errors.
Deprecation warnings due to PyCrypto/paramiko import in
tools/setup-ssh have been silenced, as usually they are safe; please
make sure to run an up-to-date paramiko version, if you use this tool.
The QA scripts now depend on Python 2.5 or above (the main code base still works with Python 2.4).
The configuration file (config.data) is now written without
indentation for performance reasons; if you want to edit it, it can be
re-formatted via tools/fmtjson.
A number of bugs has been fixed in the cluster merge tool.
x509 certification verification (used in import-export) has been
changed to allow the same clock skew as permitted by the cluster
verification. This will remove some rare but hard to diagnose errors in
import-export.
(Released Thu, 19 Jul 2012)
Very few changes from rc4 to the final release, only bugfixes:
- integrated fixes from release 2.5.2 (fix general boot flag for KVM instance, fix CDROM booting for KVM instances)
- fixed node group modification of node parameters
- fixed issue in LUClusterVerifyGroup with multi-group clusters
- fixed generation of bash completion to ensure a stable ordering
- fixed a few typos
(Released Fri, 13 Jul 2012)
Third release candidate for 2.6. The following changes were done from rc3 to rc4:
- Fixed
UpgradeConfigw.r.t. to disk parameters on disk objects. - Fixed an inconsistency in the LUXI protocol with the provided arguments (NOT backwards compatible)
- Fixed a bug with node groups ipolicy where
minwas greater than the clusterstdvalue - Implemented a new
gnt-node list-drbdcall to list DRBD minors for easier instance debugging on nodes (requireshconfdto work)
(Released Tue, 03 Jul 2012)
Second release candidate for 2.6. The following changes were done from rc2 to rc3:
- Fixed
gnt-cluster verifyregardingmaster-ip-scripton non master candidates - Fixed a RAPI regression on missing beparams/memory
- Fixed redistribution of files on offline nodes
- Added possibility to run activate-disks even though secondaries are
offline. With this change it relaxes also the strictness on some other
commands which use activate disks internally:
*
gnt-instance start|reboot|rename|backup|export - Made it possible to remove safely an instance if its secondaries are offline
- Made it possible to reinstall even though secondaries are offline
(Released Mon, 25 Jun 2012)
First release candidate for 2.6. The following changes were done from rc1 to rc2:
- Fixed bugs with disk parameters and
rbdtemplates as well asinstance_os_add - Made
gnt-instance modifymore consistent regarding new NIC/Disk behaviour. It supports now the modify operation hcheckimplemented to analyze cluster health and possibility of improving health by rebalancehbalhas been improved in dealing with split instances
(Released Mon, 11 Jun 2012)
Second beta release of 2.6. The following changes were done from beta2 to rc1:
- Fixed
daemon-utilwith non-root user models - Fixed creation of plain instances with
--no-wait-for-sync - Fix wrong iv_names when running
cfgupgrade - Export more information in RAPI group queries
- Fixed bug when changing instance network interfaces
- Extended burnin to do NIC changes
- query: Added
<,>,<=,>=comparison operators - Changed default for DRBD barriers
- Fixed DRBD error reporting for syncer rate
- Verify the options on disk parameters
And of course various fixes to documentation and improved unittests and QA.
(Released Wed, 23 May 2012)
First beta release of 2.6. The following changes were done from beta1 to beta2:
- integrated patch for distributions without
start-stop-daemon - adapted example init.d script to work on Fedora
- fixed log handling in Haskell daemons
- adapted checks in the watcher for pycurl linked against libnss
- add partial support for
xlinstead ofxmfor Xen - fixed a type issue in cluster verification
- fixed ssconf handling in the Haskell code (was breaking confd in IPv6 clusters)
Plus integrated fixes from the 2.5 branch:
- fixed
kvm-ifupto use/bin/bash - fixed parallel build failures
- KVM live migration when using a custom keymap
(Released Tue, 24 Jul 2012)
A small bugfix release, with no new features:
- fixed bash-isms in kvm-ifup, for compatibility with systems which use a different default shell (e.g. Debian, Ubuntu)
- fixed KVM startup and live migration with a custom keymap (fixes Issue 243 and Debian bug #650664)
- fixed compatibility with KVM versions that don't support multiple boot devices (fixes Issue 230 and Debian bug #624256)
Additionally, a few fixes were done to the build system (fixed parallel build failures) and to the unittests (fixed race condition in test for FileID functions, and the default enable/disable mode for QA test is now customisable).
(Released Fri, 11 May 2012)
A small bugfix release.
The main issues solved are on the topic of compatibility with newer LVM releases:
- fixed parsing of
lv_attrfield - adapted to new
vgreduce --removemissingbehaviour where sometimes the--forceflag is needed
Also on the topic of compatibility, tools/lvmstrap has been changed
to accept kernel 3.x too (was hardcoded to 2.6.*).
A regression present in 2.5.0 that broke handling (in the gnt-* scripts) of hook results and that also made display of other errors suboptimal was fixed; the code behaves now like 2.4 and earlier.
Another change in 2.5, the cleanup of the OS scripts environment, is too
aggressive: it removed even the PATH variable, which requires the OS
scripts to always need to export it. Since this is a bit too strict,
we now export a minimal PATH, the same that we export for hooks.
The fix for issue 201 (Preserve bridge MTU in KVM ifup script) was integrated into this release.
Finally, a few other miscellaneous changes were done (no new features, just small improvements):
- Fix
gnt-group --helpdisplay - Fix hardcoded Xen kernel path
- Fix grow-disk handling of invalid units
- Update synopsis for
gnt-cluster repair-disk-sizes - Accept both PUT and POST in noded (makes future upgrade to 2.6 easier)
(Released Thu, 12 Apr 2012)
- The default of the
/2/instances/[instance_name]/renameRAPI resource'sip_checkparameter changed fromTruetoFalseto match the underlying LUXI interface. - The
/2/nodes/[node_name]/evacuateRAPI resource was changed to use body parameters, see :doc:`RAPI documentation <rapi>`. The server does not maintain backwards-compatibility as the underlying operation changed in an incompatible way. The RAPI client can talk to old servers, but it needs to be told so as the return value changed. - When creating file-based instances via RAPI, the
file_driverparameter no longer defaults toloopand must be specified. - The deprecated
bridgeNIC parameter is no longer supported. Uselinkinstead. - Support for the undocumented and deprecated RAPI instance creation request format version 0 has been dropped. Use version 1, supported since Ganeti 2.1.3 and :doc:`documented <rapi>`, instead.
- Pyparsing 1.4.6 or above is required, see :doc:`installation documentation <install>`.
- The "cluster-verify" hooks are now executed per group by the
OP_CLUSTER_VERIFY_GROUPopcode. This maintains the same behavior if you just rungnt-cluster verify, which generates one opcode per group. - The environment as passed to the OS scripts is cleared, and thus no environment variables defined in the node daemon's environment will be inherited by the scripts.
- The :doc:`iallocator <iallocator>` mode
multi-evacuatehas been deprecated. - :doc:`New iallocator modes <design-multi-reloc>` have been added to support operations involving multiple node groups.
- Offline nodes are ignored when failing over an instance.
- Support for KVM version 1.0, which changed the version reporting format from 3 to 2 digits.
- TCP/IP ports used by DRBD disks are returned to a pool upon instance removal.
Makefileis now compatible with Automake 1.11.2- Includes all bugfixes made in the 2.4 series
- The ganeti-htools project has been merged into the ganeti-core source tree and will be built as part of Ganeti (see :doc:`install-quick`).
- Implemented support for :doc:`shared storage <design-shared-storage>`.
- Add support for disks larger than 2 TB in
lvmstrapby supporting GPT-style partition tables (requires parted). - Added support for floppy drive and 2nd CD-ROM drive in KVM hypervisor.
- Allowed adding tags on instance creation.
- Export instance tags to hooks (
INSTANCE_TAGS, see :doc:`hooks`) - Allow instances to be started in a paused state, enabling the user to see the complete console output on boot using the console.
- Added new hypervisor flag to control default reboot behaviour
(
reboot_behavior). - Added support for KVM keymaps (hypervisor parameter
keymap). - Improved out-of-band management support:
- Added
gnt-node healthcommand reporting the health status of nodes. - Added
gnt-node powercommand to manage power status of nodes. - Added command for emergency power-off (EPO),
gnt-cluster epo.
- Added
- Instance migration can fall back to failover if instance is not running.
- Filters can be used when listing nodes, instances, groups and locks; see :manpage:`ganeti(7)` manpage.
- Added post-execution status as variables to :doc:`hooks <hooks>` environment.
- Instance tags are exported/imported together with the instance.
- When given an explicit job ID,
gnt-job infowill work for archived jobs. - Jobs can define dependencies on other jobs (not yet supported via
RAPI or command line, but used by internal commands and usable via
LUXI).
- Lock monitor (
gnt-debug locks) shows jobs waiting for dependencies.
- Lock monitor (
- Instance failover is now available as a RAPI resource
(
/2/instances/[instance_name]/failover). gnt-instance infodefaults to static information if primary node is offline.- Opcodes have a new
commentattribute. - Added basic SPICE support to KVM hypervisor.
tools/ganeti-listrunnerallows passing of arguments to executable.
gnt-cluster verifyhas been modified to check groups separately, thereby improving performance.- Node group support has been added to
gnt-cluster verify-disks, which now operates per node group. - Watcher has been changed to work better with node groups.
- One process and state file per node group.
- Slow watcher in one group doesn't block other group's watcher.
- Added new command,
gnt-group evacuate, to move all instances in a node group to other groups. - Added
gnt-instance change-groupto move an instance to another node group. gnt-cluster commandandgnt-cluster copyfilenow support per-group operations.- Node groups can be tagged.
- Some operations switch from an exclusive to a shared lock as soon as possible.
- Instance's primary and secondary nodes' groups are now available as
query fields (
pnode.group,pnode.group.uuid,snodes.groupandsnodes.group.uuid).
- Numerous updates to documentation and manpages.
- :doc:`RAPI <rapi>` documentation now has detailed parameter descriptions.
- Some opcode/job results are now also documented, see :doc:`RAPI <rapi>`.
- A lockset's internal lock is now also visible in lock monitor.
- Log messages from job queue workers now contain information about the opcode they're processing.
gnt-instance consoleno longer requires the instance lock.- A short delay when waiting for job changes reduces the number of LUXI requests significantly.
- DRBD metadata volumes are overwritten with zeros during disk creation.
- Out-of-band commands no longer acquire the cluster lock in exclusive mode.
devel/uploadnow uses correct permissions for directories.
(Released Fri, 23 Mar 2012)
This was the sixth release candidate of the 2.5 series.
(Released Mon, 9 Jan 2012)
This was the fifth release candidate of the 2.5 series.
(Released Thu, 27 Oct 2011)
This was the fourth release candidate of the 2.5 series.
(Released Wed, 26 Oct 2011)
This was the third release candidate of the 2.5 series.
(Released Tue, 18 Oct 2011)
This was the second release candidate of the 2.5 series.
(Released Tue, 4 Oct 2011)
This was the first release candidate of the 2.5 series.
(Released Wed, 31 Aug 2011)
This was the third beta release of the 2.5 series.
(Released Mon, 22 Aug 2011)
This was the second beta release of the 2.5 series.
(Released Fri, 12 Aug 2011)
This was the first beta release of the 2.5 series.
(Released Thu, 27 Oct 2011)
- Fixed bug when parsing command line parameter values ending in backslash
- Fixed assertion error after unclean master shutdown
- Disable HTTP client pool for RPC, significantly reducing memory usage of master daemon
- Fixed queue archive creation with wrong permissions
(Released Tue, 23 Aug 2011)
Small bug-fixes:
- Fixed documentation for importing with
--src-diroption - Fixed a bug in
ensure-dirswith queue/archive permissions - Fixed a parsing issue with DRBD 8.3.11 in the Linux kernel
(Released Fri, 5 Aug 2011)
Many bug-fixes and a few small features:
- Fixed argument order in
ReserveLVandReserveMACwhich caused issues when you tried to add an instance with two MAC addresses in one request - KVM: fixed per-instance stored UID value
- KVM: configure bridged NICs at migration start
- KVM: Fix a bug where instance will not start with never KVM versions (>= 0.14)
- Added OS search path to
gnt-cluster info - Fixed an issue with
file_storage_dirwhere you were forced to provide an absolute path, but the documentation states it is a relative path, the documentation was right - Added a new parameter to instance stop/start called
--no-rememberthat will make the state change to not be remembered - Implemented
no_rememberat RAPI level - Improved the documentation
- Node evacuation: don't call IAllocator if node is already empty
- Fixed bug in DRBD8 replace disks on current nodes
- Fixed bug in recreate-disks for DRBD instances
- Moved assertion checking locks in
gnt-instance replace-diskscausing it to abort with not owning the right locks for some situation - Job queue: Fixed potential race condition when cancelling queued jobs
- Fixed off-by-one bug in job serial generation
gnt-node volumes: Fix instance names- Fixed aliases in bash completion
- Fixed a bug in reopening log files after being sent a SIGHUP
- Added a flag to burnin to allow specifying VCPU count
- Bugfixes to non-root Ganeti configuration
(Released Thu, 12 May 2011)
Many bug-fixes and a few new small features:
- Fixed a bug related to log opening failures
- Fixed a bug in instance listing with orphan instances
- Fixed a bug which prevented resetting the cluster-level node parameter
oob_programto the default - Many fixes related to the
cluster-mergetool - Fixed a race condition in the lock monitor, which caused failures during (at least) creation of many instances in parallel
- Improved output for gnt-job info
- Removed the quiet flag on some ssh calls which prevented debugging failures
- Improved the N+1 failure messages in cluster verify by actually showing the memory values (needed and available)
- Increased lock attempt timeouts so that when executing long operations (e.g. DRBD replace-disks) other jobs do not enter 'blocking acquire' too early and thus prevent the use of the 'fair' mechanism
- Changed instance query data (
gnt-instance info) to not acquire locks unless needed, thus allowing its use on locked instance if only static information is asked for - Improved behaviour with filesystems that do not support rename on an opened file
- Fixed the behaviour of
prealloc_wipe_diskscluster parameter which kept locks on all nodes during the wipe, which is unneeded - Fixed
gnt-watcherhandling of errors during hooks execution - Fixed bug in
prealloc_wipe_diskswith small disk sizes (less than 10GiB) which caused the wipe to fail right at the end in some cases - Fixed master IP activation when doing master failover with no-voting
- Fixed bug in
gnt-node add --readdwhich allowed the re-adding of the master node itself - Fixed potential data-loss in under disk full conditions, where Ganeti wouldn't check correctly the return code and would consider partially-written files 'correct'
- Fixed bug related to multiple VGs and DRBD disk replacing
- Added new disk parameter
metavgthat allows placement of the meta device for DRBD in a different volume group - Fixed error handling in the node daemon when the system libc doesn't
have major number 6 (i.e. if
libc.so.6is not the actual libc) - Fixed lock release during replace-disks, which kept cluster-wide locks when doing disk replaces with an iallocator script
- Added check for missing bridges in cluster verify
- Handle EPIPE errors while writing to the terminal better, so that
piping the output to e.g.
lessdoesn't cause a backtrace - Fixed rare case where a ^C during Luxi calls could have been interpreted as server errors, instead of simply terminating
- Fixed a race condition in LUGroupAssignNodes (
gnt-group assign-nodes) - Added a few more parameters to the KVM hypervisor, allowing a second CDROM, custom disk type for CDROMs and a floppy image
- Removed redundant message in instance rename when the name is given already as a FQDN
- Added option to
gnt-instance recreate-disksto allow creating the disks on new nodes, allowing recreation when the original instance nodes are completely gone - Added option when converting disk templates to DRBD to skip waiting for the resync, in order to make the instance available sooner
- Added two new variables to the OS scripts environment (containing the instance's nodes)
- Made the root_path and optional parameter for the xen-pvm hypervisor,
to allow use of
pvgrubas bootloader - Changed the instance memory modifications to only check out-of-memory
conditions on memory increases, and turned the secondary node warnings
into errors (they can still be overridden via
--force) - Fixed the handling of a corner case when the Python installation gets corrupted (e.g. a bad disk) while ganeti-noded is running and we try to execute a command that doesn't exist
- Fixed a bug in
gnt-instance move(LUInstanceMove) when the primary node of the instance returned failures during instance shutdown; this adds the option--ignore-consistencyto gnt-instance move
And as usual, various improvements to the error messages, documentation and man pages.
(Released Wed, 09 Mar 2011)
Emergency bug-fix release. tools/cfgupgrade was broken and overwrote
the RAPI users file if run twice (even with --dry-run).
The release fixes that bug (nothing else changed).
(Released Mon, 07 Mar 2011)
Final 2.4.0 release. Just a few small fixes:
- Fixed RAPI node evacuate
- Fixed the kvm-ifup script
- Fixed internal error handling for special job cases
- Updated man page to specify the escaping feature for options
(Released Mon, 28 Feb 2011)
A critical fix for the prealloc_wipe_disks feature: it is possible
that this feature wiped the disks of the wrong instance, leading to loss
of data.
Other changes:
- Fixed title of query field containing instance name
- Expanded the glossary in the documentation
- Fixed one unittest (internal issue)
(Released Mon, 21 Feb 2011)
A number of bug fixes plus just a couple functionality changes.
On the user-visible side, the gnt-* list command output has changed
with respect to "special" field states. The current rc1 style of display
can be re-enabled by passing a new --verbose (-v) flag, but in
the default output mode special fields states are displayed as follows:
- Offline resource:
* - Unavailable/not applicable:
- - Data missing (RPC failure):
? - Unknown field:
??
Another user-visible change is the addition of --force-join to
gnt-node add.
As for bug fixes:
tools/cluster-mergehas seen many fixes and is now enabled again- Fixed regression in RAPI/instance reinstall where all parameters were required (instead of optional)
- Fixed
gnt-cluster repair-disk-sizes, was broken since Ganeti 2.2 - Fixed iallocator usage (offline nodes were not considered offline)
- Fixed
gnt-node listwith respect to non-vm_capable nodes - Fixed hypervisor and OS parameter validation with respect to non-vm_capable nodes
- Fixed
gnt-cluster verifywith respect to offline nodes (mostly cosmetic) - Fixed
tools/listrunnerwith respect to agent-based usage
(Released Fri, 4 Feb 2011)
Many changes and fixes since the beta1 release. While there were some internal changes, the code has been mostly stabilised for the RC release.
Note: the dumb allocator was removed in this release, as it was not kept
up-to-date with the IAllocator protocol changes. It is recommended to
use the hail command from the ganeti-htools package.
Note: the 2.4 and up versions of Ganeti are not compatible with the 0.2.x branch of ganeti-htools. You need to upgrade to ganeti-htools-0.3.0 (or later).
- Fixed the
gnt-cluster verify-diskscommand - Made
gnt-cluster verify-diskswork in parallel (as opposed to serially on nodes) - Fixed disk adoption breakage
- Fixed wrong headers in instance listing for field aliases
- Fixed corner case in KVM handling of NICs
- Fixed many cases of wrong handling of non-vm_capable nodes
- Fixed a bug where a missing instance symlink was not possible to
recreate with any
gnt-*command (nowgnt-instance activate-disksdoes it) - Fixed the volume group name as reported by
gnt-cluster verify-disks - Increased timeouts for the import-export code, hopefully leading to fewer aborts due network or instance timeouts
- Fixed bug in
gnt-node list-storage - Fixed bug where not all daemons were started on cluster initialisation, but only at the first watcher run
- Fixed many bugs in the OOB implementation
- Fixed watcher behaviour in presence of instances with offline secondaries
- Fixed instance list output for instances running on the wrong node
- a few fixes to the cluster-merge tool, but it still cannot merge multi-node groups (currently it is not recommended to use this tool)
- Improved network configuration for the KVM hypervisor
- Added e1000 as a supported NIC for Xen-HVM
- Improved the lvmstrap tool to also be able to use partitions, as opposed to full disks
- Improved speed of disk wiping (the cluster parameter
prealloc_wipe_disks, so that it has a low impact on the total time of instance creations - Added documentation for the OS parameters
- Changed
gnt-instance deactivate-disksso that it can work if the hypervisor is not responding - Added display of blacklisted and hidden OS information in
gnt-cluster info - Extended
gnt-cluster verifyto also validate hypervisor, backend, NIC and node parameters, which might create problems with currently invalid (but undetected) configuration files, but prevents validation failures when unrelated parameters are modified - Changed cluster initialisation to wait for the master daemon to become available
- Expanded the RAPI interface:
- Added config redistribution resource
- Added activation/deactivation of instance disks
- Added export of console information
- Implemented log file reopening on SIGHUP, which allows using logrotate(8) for the Ganeti log files
- Added a basic OOB helper script as an example
(Released Fri, 14 Jan 2011)
- Fixed timezone issues when formatting timestamps
- Added support for node groups, available via
gnt-groupand other commands - Added out-of-band framework and management, see :doc:`design document <design-oob>`
- Removed support for roman numbers from
gnt-node listandgnt-instance list. - Allowed modification of master network interface via
gnt-cluster modify --master-netdev - Accept offline secondaries while shutting down instance disks
- Added
blockdev_prefixparameter to Xen PVM and HVM hypervisors - Added support for multiple LVM volume groups
- Avoid sorting nodes for
gnt-node listif specific nodes are requested - Added commands to list available fields:
gnt-node list-fieldsgnt-group list-fieldsgnt-instance list-fields
- Updated documentation and man pages
- Moved
rapi_usersfile into separate directory, now named.../ganeti/rapi/users,cfgupgrademoves the file and creates a symlink - Added new tool for running commands on many machines,
tools/ganeti-listrunner - Implemented more verbose result in
OpInstanceConsoleopcode, also improving thegnt-instance consoleoutput - Allowed customisation of disk index separator at
configuretime - Export node group allocation policy to :doc:`iallocator <iallocator>`
- Added support for non-partitioned md disks in
lvmstrap - Added script to gracefully power off KVM instances
- Split
utilsmodule into smaller parts - Changed query operations to return more detailed information, e.g.
whether an information is unavailable due to an offline node. To use
this new functionality, the LUXI call
Querymust be used. Field information is now stored by the master daemon and can be retrieved usingQueryFields. Instances, nodes and groups can also be queried using the new opcodesOpQueryandOpQueryFields(not yet exposed via RAPI). The following commands make use of this infrastructure change:gnt-group listgnt-group list-fieldsgnt-node listgnt-node list-fieldsgnt-instance listgnt-instance list-fieldsgnt-debug locks
- New RAPI resources (see :doc:`rapi`):
/2/modify/2/groups/2/groups/[group_name]/2/groups/[group_name]/assign-nodes/2/groups/[group_name]/modify/2/groups/[group_name]/rename/2/instances/[instance_name]/disk/[disk_index]/grow
- RAPI changes:
- Implemented
no_installfor instance creation - Implemented OS parameters for instance reinstallation, allowing use of special settings on reinstallation (e.g. for preserving data)
- Implemented
- Added IPv6 support in import/export
- Pause DRBD synchronization while wiping disks on instance creation
- Updated unittests and QA scripts
- Improved network parameters passed to KVM
- Converted man pages from docbook to reStructuredText
(Released Mon, 20 Dec 2010)
Released version 2.3.1~rc1 without any changes.
(Released Wed, 1 Dec 2010)
- impexpd: Disable OpenSSL compression in socat if possible (backport from master, commit e90739d625b, see :doc:`installation guide <install-quick>` for details)
- Changed unittest coverage report to exclude test scripts
- Added script to check version format
(Released Wed, 1 Dec 2010)
Released version 2.3.0~rc1 without any changes.
(Released Fri, 19 Nov 2010)
A number of bugfixes and documentation updates:
- Update ganeti-os-interface documentation
- Fixed a bug related to duplicate MACs or similar items which should be unique
- Fix breakage in OS state modify
- Reinstall instance: disallow offline secondaries (fixes bug related to OS changing but reinstall failing)
- plus all the other fixes between 2.2.1 and 2.2.2
(Released Tue, 2 Nov 2010)
- Fixed clearing of the default iallocator using
gnt-cluster modify - Fixed master failover race with watcher
- Fixed a bug in
gnt-node modifywhich could lead to an inconsistent configuration - Accept previously stopped instance for export with instance removal
- Simplify and extend the environment variables for instance OS scripts
- Added new node flags,
master_capableandvm_capable - Added optional instance disk wiping prior during allocation. This is a
cluster-wide option and can be set/modified using
gnt-cluster {init,modify} --prealloc-wipe-disks. - Added IPv6 support, see :doc:`design document <design-2.3>` and :doc:`install-quick`
- Added a new watcher option (
--ignore-pause) - Added option to ignore offline node on instance start/stop
(
--ignore-offline) - Allow overriding OS parameters with
gnt-instance reinstall - Added ability to change node's secondary IP address using
gnt-node modify - Implemented privilege separation for all daemons except
ganeti-noded, seeconfigureoptions - Complain if an instance's disk is marked faulty in
gnt-cluster verify - Implemented job priorities (see
ganeti(7)manpage) - Ignore failures while shutting down instances during failover from offline node
- Exit daemon's bootstrap process only once daemon is ready
- Export more information via
LUInstanceQuery/remote API - Improved documentation, QA and unittests
- RAPI daemon now watches
rapi_usersall the time and doesn't need a restart if the file was created or changed - Added LUXI protocol version sent with each request and response, allowing detection of server/client mismatches
- Moved the Python scripts among gnt-* and ganeti-* into modules
- Moved all code related to setting up SSH to an external script,
setup-ssh - Infrastructure changes for node group support in future versions
(Released Fri, 19 Nov 2010)
A few small bugs fixed, and some improvements to the build system:
- Fix documentation regarding conversion to drbd
- Fix validation of parameters in cluster modify (
gnt-cluster modify -B) - Fix error handling in node modify with multiple changes
- Allow remote imports without checked names
(Released Tue, 19 Oct 2010)
- Disable SSL session ID cache in RPC client
(Released Thu, 14 Oct 2010)
- Fix interaction between Curl/GnuTLS and the Python's HTTP server (thanks Apollon Oikonomopoulos!), finally allowing the use of Curl with GnuTLS
- Fix problems with interaction between Curl and Python's HTTP server, resulting in increased speed in many RPC calls
- Improve our release script to prevent breakage with older aclocal and Python 2.6
(Released Thu, 7 Oct 2010)
- Fixed issue 125, replace hardcoded "xenvg" in
gnt-clusterwith value retrieved from master - Added support for blacklisted or hidden OS definitions
- Added simple lock monitor (accessible via (
gnt-debug locks) - Added support for -mem-path in KVM hypervisor abstraction layer
- Allow overriding instance parameters in tool for inter-cluster
instance moves (
tools/move-instance) - Improved opcode summaries (e.g. in
gnt-job list) - Improve consistency of OS listing by sorting it
- Documentation updates
(Released Fri, 8 Oct 2010)
- Rebuild with a newer autotools version, to fix python 2.6 compatibility
(Released Mon, 4 Oct 2010)
- Fixed regression in
gnt-instance rename
(Released Wed, 22 Sep 2010)
- Fixed OS_VARIANT variable for OS scripts
- Fixed cluster tag operations via RAPI
- Made
setup-sshexit with non-zero code if an error occurred - Disabled RAPI CA checks in watcher
(Released Mon, 23 Aug 2010)
- Support DRBD versions of the format "a.b.c.d"
- Updated manpages
- Re-introduce support for usage from multiple threads in RAPI client
- Instance renames and modify via RAPI
- Work around race condition between processing and archival in job queue
- Mark opcodes following failed one as failed, too
- Job field
lock_statuswas removed due to difficulties making it work with the changed job queue in Ganeti 2.2; a better way to monitor locks is expected for a later 2.2.x release - Fixed dry-run behaviour with many commands
- Support
ssh-agentagain when adding nodes - Many additional bugfixes
(Released Fri, 30 Jul 2010)
Important change: the internal RPC mechanism between Ganeti nodes has changed from using a home-grown http library (based on the Python base libraries) to use the PycURL library. This requires that PycURL is installed on nodes. Please note that on Debian/Ubuntu, PycURL is linked against GnuTLS by default. cURL's support for GnuTLS had known issues before cURL 7.21.0 and we recommend using the latest cURL release or linking against OpenSSL. Most other distributions already link PycURL and cURL against OpenSSL. The command:
python -c 'import pycurl; print pycurl.version'
can be used to determine the libraries PycURL and cURL are linked against.
Other significant changes:
- Rewrote much of the internals of the job queue, in order to achieve better parallelism; this decouples job query operations from the job processing, and it should allow much nicer behaviour of the master daemon under load, and it also has uncovered some long-standing bugs related to the job serialisation (now fixed)
- Added a default iallocator setting to the cluster parameters, eliminating the need to always pass nodes or an iallocator for operations that require selection of new node(s)
- Added experimental support for the LXC virtualization method
- Added support for OS parameters, which allows the installation of instances to pass parameter to OS scripts in order to customise the instance
- Added a hypervisor parameter controlling the migration type (live or non-live), since hypervisors have various levels of reliability; this has renamed the 'live' parameter to 'mode'
- Added a cluster parameter
reserved_lvsthat denotes reserved logical volumes, meaning that cluster verify will ignore them and not flag their presence as errors - The watcher will now reset the error count for failed instances after 8 hours, thus allowing self-healing if the problem that caused the instances to be down/fail to start has cleared in the meantime
- Added a cluster parameter
drbd_usermode_helperthat makes Ganeti check for, and warn, if the drbd module parameterusermode_helperis not consistent with the cluster-wide setting; this is needed to make diagnose easier of failed drbd creations - Started adding base IPv6 support, but this is not yet enabled/available for use
- Rename operations (cluster, instance) will now return the new name, which is especially useful if a short name was passed in
- Added support for instance migration in RAPI
- Added a tool to pre-configure nodes for the SSH setup, before joining them to the cluster; this will allow in the future a simplified model for node joining (but not yet fully enabled in 2.2); this needs the paramiko python library
- Fixed handling of name-resolving errors
- Fixed consistency of job results on the error path
- Fixed master-failover race condition when executed multiple times in sequence
- Fixed many bugs related to the job queue (mostly introduced during the 2.2 development cycle, so not all are impacting 2.1)
- Fixed instance migration with missing disk symlinks
- Fixed handling of unknown jobs in
gnt-job archive - And many other small fixes/improvements
Internal changes:
- Enhanced both the unittest and the QA coverage
- Switched the opcode validation to a generic model, and extended the validation to all opcode parameters
- Changed more parts of the code that write shell scripts to use the same class for this
- Switched the master daemon to use the asyncore library for the Luxi server endpoint
(Released Thu, 17 Jun 2010)
- Added tool (
move-instance) and infrastructure to move instances between separate clusters (see :doc:`separate documentation <move-instance>` and :doc:`design document <design-2.2>`) - Added per-request RPC timeout
- RAPI now requires a Content-Type header for requests with a body (e.g.
PUTorPOST) which must be set toapplication/json(see RFC 2616 (HTTP/1.1), section 7.2.1) ganeti-watcherattempts to restartganeti-rapiif RAPI is not reachable- Implemented initial support for running Ganeti daemons as separate
users, see configure-time flags
--with-user-prefixand--with-group-prefix(onlyganeti-rapiis supported at this time) - Instances can be removed after export (
gnt-backup export --remove-instance) - Self-signed certificates generated by Ganeti now use a 2048 bit RSA key (instead of 1024 bit)
- Added new cluster configuration file for cluster domain secret
- Import/export now use SSL instead of SSH
- Added support for showing estimated time when exporting an instance,
see the
ganeti-os-interface(7)manpage and look forEXP_SIZE_FD
(Released Tue, 16 Nov 2010)
Some more bugfixes. Unless critical bugs occur, this will be the last 2.1 release:
- Fix case of MAC special-values
- Fix mac checker regex
- backend: Fix typo causing "out of range" error
- Add missing --units in gnt-instance list man page
(Released Tue, 24 Aug 2010)
- Bugfixes only:
- Don't ignore secondary node silently on non-mirrored disk templates (issue 113)
- Fix --master-netdev arg name in gnt-cluster(8) (issue 114)
- Fix usb_mouse parameter breaking with vnc_console (issue 109)
- Properly document the usb_mouse parameter
- Fix path in ganeti-rapi(8) (issue 116)
- Adjust error message when the ganeti user's .ssh directory is missing
- Add same-node-check when changing the disk template to drbd
(Released Fri, 16 Jul 2010)
- Bugfixes only:
- Add an option to only select some reboot types during qa/burnin. (on some hypervisors consequent reboots are not supported)
- Fix infrequent race condition in master failover. Sometimes the old master ip address would be still detected as up for a short time after it was removed, causing failover to fail.
- Decrease mlockall warnings when the ctypes module is missing. On Python 2.4 we support running even if no ctypes module is installed, but we were too verbose about this issue.
- Fix building on old distributions, on which man doesn't have a --warnings option.
- Fix RAPI not to ignore the MAC address on instance creation
- Implement the old instance creation format in the RAPI client.
(Released Thu, 01 Jul 2010)
- A small bugfix release:
- Fix disk adoption: broken by strict --disk option checking in 2.1.4
- Fix batch-create: broken in the whole 2.1 series due to a lookup on a non-existing option
- Fix instance create: the --force-variant option was ignored
- Improve pylint 0.21 compatibility and warnings with Python 2.6
- Fix modify node storage with non-FQDN arguments
- Fix RAPI client to authenticate under Python 2.6 when used for more than 5 requests needing authentication
- Fix gnt-instance modify -t (storage) giving a wrong error message when converting a non-shutdown drbd instance to plain
(Released Fri, 18 Jun 2010)
A small bugfix release:
- Fix live migration of KVM instances started with older Ganeti versions which had fewer hypervisor parameters
- Fix gnt-instance grow-disk on down instances
- Fix an error-reporting bug during instance migration
- Better checking of the
--netand--diskvalues, to avoid silently ignoring broken ones- Fix an RPC error reporting bug affecting, for example, RAPI client users
- Fix bug triggered by different API version os-es on different nodes
- Fix a bug in instance startup with custom hvparams: OS level parameters would fail to be applied.
- Fix the RAPI client under Python 2.6 (but more work is needed to make it work completely well with OpenSSL)
- Fix handling of errors when resolving names from DNS
(Released Thu, 3 Jun 2010)
A medium sized development cycle. Some new features, and some fixes/small improvements/cleanups.
The node daemon now tries to mlock itself into memory, unless the
--no-mlock flag is passed. It also doesn't fail if it can't write
its logs, and falls back to console logging. This allows emergency
features such as gnt-node powercycle to work even in the event of a
broken node disk (tested offlining the disk hosting the node's
filesystem and dropping its memory caches; don't try this at home)
KVM: add vhost-net acceleration support. It can be tested with a new enough version of the kernel and of qemu-kvm.
KVM: Add instance chrooting feature. If you use privilege dropping for your VMs you can also now force them to chroot to an empty directory, before starting the emulated guest.
KVM: Add maximum migration bandwith and maximum downtime tweaking support (requires a new-enough version of qemu-kvm).
Cluster verify will now warn if the master node doesn't have the master ip configured on it.
Add a new (incompatible) instance creation request format to RAPI which
supports all parameters (previously only a subset was supported, and it
wasn't possible to extend the old format to accomodate all the new
features. The old format is still supported, and a client can check for
this feature, before using it, by checking for its presence in the
features RAPI resource.
Now with ancient latin support. Try it passing the --roman option to
gnt-instance info, gnt-cluster info or gnt-node list
(requires the python-roman module to be installed, in order to work).
As usual many internal code refactorings, documentation updates, and such. Among others:
- Lots of improvements and cleanups to the experimental Remote API (RAPI) client library.
- A new unit test suite for the core daemon libraries.
- A fix to creating missing directories makes sure the umask is not applied anymore. This enforces the same directory permissions everywhere.
- Better handling terminating daemons with ctrl+c (used when running them in debugging mode).
- Fix a race condition in live migrating a KVM instance, when stat() on the old proc status file returned EINVAL, which is an unexpected value.
- Fixed manpage checking with newer man and utf-8 charachters. But now you need the en_US.UTF-8 locale enabled to build Ganeti from git.
(Released Fri, 7 May 2010)
Fix a bug which prevented untagged KVM instances from starting.
(Released Fri, 7 May 2010)
Another release with a long development cycle, during which many different features were added.
The KVM hypervisor now can run the individual instances as non-root, to reduce the impact of a VM being hijacked due to bugs in the hypervisor. It is possible to run all instances as a single (non-root) user, to manually specify a user for each instance, or to dynamically allocate a user out of a cluster-wide pool to each instance, with the guarantee that no two instances will run under the same user ID on any given node.
An experimental RAPI client library, that can be used standalone
(without the other Ganeti libraries), is provided in the source tree as
lib/rapi/client.py. Note this client might change its interface in
the future, as we iterate on its capabilities.
A new command, gnt-cluster renew-crypto has been added to easily
replace the cluster's certificates and crypto keys. This might help in
case they have been compromised, or have simply expired.
A new disk option for instance creation has been added that allows one to "adopt" currently existing logical volumes, with data preservation. This should allow easier migration to Ganeti from unmanaged (or managed via other software) instances.
Another disk improvement is the possibility to convert between redundant (DRBD) and plain (LVM) disk configuration for an instance. This should allow better scalability (starting with one node and growing the cluster, or shrinking a two-node cluster to one node).
A new feature that could help with automated node failovers has been
implemented: if a node sees itself as offline (by querying the master
candidates), it will try to shutdown (hard) all instances and any active
DRBD devices. This reduces the risk of duplicate instances if an
external script automatically failovers the instances on such nodes. To
enable this, the cluster parameter maintain_node_health should be
enabled; in the future this option (per the name) will enable other
automatic maintenance features.
Instance export/import now will reuse the original instance specifications for all parameters; that means exporting an instance, deleting it and the importing it back should give an almost identical instance. Note that the default import behaviour has changed from before, where it created only one NIC; now it recreates the original number of NICs.
Cluster verify has added a few new checks: SSL certificates validity, /etc/hosts consistency across the cluster, etc.
As usual, many internal changes were done, documentation fixes, etc. Among others:
- Fixed cluster initialization with disabled cluster storage (regression introduced in 2.1.1)
- File-based storage supports growing the disks
- Fixed behaviour of node role changes
- Fixed cluster verify for some corner cases, plus a general rewrite of cluster verify to allow future extension with more checks
- Fixed log spamming by watcher and node daemon (regression introduced in 2.1.1)
- Fixed possible validation issues when changing the list of enabled hypervisors
- Fixed cleanup of /etc/hosts during node removal
- Fixed RAPI response for invalid methods
- Fixed bug with hashed passwords in
ganeti-rapidaemon - Multiple small improvements to the KVM hypervisor (VNC usage, booting from ide disks, etc.)
- Allow OS changes without re-installation (to record a changed OS outside of Ganeti, or to allow OS renames)
- Allow instance creation without OS installation (useful for example if the OS will be installed manually, or restored from a backup not in Ganeti format)
- Implemented option to make cluster
copyfileuse the replication network - Added list of enabled hypervisors to ssconf (possibly useful for external scripts)
- Added a new tool (
tools/cfgupgrade12) that allows upgrading from 1.2 clusters - A partial form of node re-IP is possible via node readd, which now allows changed node primary IP
- Command line utilities now show an informational message if the job is waiting for a lock
- The logs of the master daemon now show the PID/UID/GID of the connected client
(Released Fri, 12 Mar 2010)
During the 2.1.0 long release candidate cycle, a lot of improvements and changes have accumulated with were released later as 2.1.1.
The node evacuate command (gnt-node evacuate) was significantly
rewritten, and as such the IAllocator protocol was changed - a new
request type has been added. This unfortunate change during a stable
series is designed to improve performance of node evacuations; on
clusters with more than about five nodes and which are well-balanced,
evacuation should proceed in parallel for all instances of the node
being evacuated. As such, any existing IAllocator scripts need to be
updated, otherwise the above command will fail due to the unknown
request. The provided "dumb" allocator has not been updated; but the
ganeti-htools package supports the new protocol since version 0.2.4.
Another important change is increased validation of node and instance names. This might create problems in special cases, if invalid host names are being used.
Also, a new layer of hypervisor parameters has been added, that sits at OS level between the cluster defaults and the instance ones. This allows customisation of virtualization parameters depending on the installed OS. For example instances with OS 'X' may have a different KVM kernel (or any other parameter) than the cluster defaults. This is intended to help managing a multiple OSes on the same cluster, without manual modification of each instance's parameters.
A tool for merging clusters, cluster-merge, has been added in the
tools sub-directory.
- Improved the int/float conversions that should make the code more robust in face of errors from the node daemons
- Fixed the remove node code in case of internal configuration errors
- Fixed the node daemon behaviour in face of inconsistent queue directory (e.g. read-only file-system where we can't open the files read-write, etc.)
- Fixed the behaviour of gnt-node modify for master candidate demotion; now it either aborts cleanly or, if given the new "auto_promote" parameter, will automatically promote other nodes as needed
- Fixed compatibility with (unreleased yet) Python 2.6.5 that would completely prevent Ganeti from working
- Fixed bug for instance export when not all disks were successfully exported
- Fixed behaviour of node add when the new node is slow in starting up the node daemon
- Fixed handling of signals in the LUXI client, which should improve behaviour of command-line scripts
- Added checks for invalid node/instance names in the configuration (now flagged during cluster verify)
- Fixed watcher behaviour for disk activation errors
- Fixed two potentially endless loops in http library, which led to the RAPI daemon hanging and consuming 100% CPU in some cases
- Fixed bug in RAPI daemon related to hashed passwords
- Fixed bug for unintended qemu-level bridging of multi-NIC KVM instances
- Enhanced compatibility with non-Debian OSes, but not using absolute path in some commands and allowing customisation of the ssh configuration directory
- Fixed possible future issue with new Python versions by abiding to the
proper use of
__slots__attribute on classes - Added checks that should prevent directory traversal attacks
- Many documentation fixes based on feedback from users
- Added an "early_release" more for instance replace disks and node evacuate, where we release locks earlier and thus allow higher parallelism within the cluster
- Added watcher hooks, intended to allow the watcher to restart other daemons (e.g. from the ganeti-nbma project), but they can be used of course for any other purpose
- Added a compile-time disable for DRBD barriers, to increase performance if the administrator trusts the power supply or the storage system to not lose writes
- Added the option of using syslog for logging instead of, or in addition to, Ganeti's own log files
- Removed boot restriction for paravirtual NICs for KVM, recent versions can indeed boot from a paravirtual NIC
- Added a generic debug level for many operations; while this is not used widely yet, it allows one to pass the debug value all the way to the OS scripts
- Enhanced the hooks environment for instance moves (failovers, migrations) where the primary/secondary nodes changed during the operation, by adding {NEW,OLD}_{PRIMARY,SECONDARY} vars
- Enhanced data validations for many user-supplied values; one important item is the restrictions imposed on instance and node names, which might reject some (invalid) host names
- Add a configure-time option to disable file-based storage, if it's not needed; this allows greater security separation between the master node and the other nodes from the point of view of the inter-node RPC protocol
- Added user notification in interactive tools if job is waiting in the job queue or trying to acquire locks
- Added log messages when a job is waiting for locks
- Added filtering by node tags in instance operations which admit multiple instances (start, stop, reboot, reinstall)
- Added a new tool for cluster mergers,
cluster-merge - Parameters from command line which are of the form
a=b,c=dcan now use backslash escapes to pass in values which contain commas, e.g.a=b\\c,d=ewhere the 'a' parameter would get the valueb,c - For KVM, the instance name is the first parameter passed to KVM, so that it's more visible in the process list
(Released Tue, 2 Mar 2010)
Ganeti 2.1 brings many improvements with it. Major changes:
- Added infrastructure to ease automated disk repairs
- Added new daemon to export configuration data in a cheaper way than using the remote API
- Instance NICs can now be routed instead of being associated with a networking bridge
- Improved job locking logic to reduce impact of jobs acquiring multiple locks waiting for other long-running jobs
In-depth implementation details can be found in the Ganeti 2.1 design document.
- Added chroot hypervisor
- Added more options to xen-hvm hypervisor (
kernel_pathanddevice_model) - Added more options to xen-pvm hypervisor (
use_bootloader,bootloader_pathandbootloader_args) - Added the
use_localtimeoption for the xen-hvm and kvm hypervisors, and the default value for this has changed to false (in 2.0 xen-hvm always enabled it) - Added luxi call to submit multiple jobs in one go
- Added cluster initialization option to not modify
/etc/hostsfile on nodes - Added network interface parameters
- Added dry run mode to some LUs
- Added RAPI resources:
/2/instances/[instance_name]/info/2/instances/[instance_name]/replace-disks/2/nodes/[node_name]/evacuate/2/nodes/[node_name]/migrate/2/nodes/[node_name]/role/2/nodes/[node_name]/storage/2/nodes/[node_name]/storage/modify/2/nodes/[node_name]/storage/repair
- Added OpCodes to evacuate or migrate all instances on a node
- Added new command to list storage elements on nodes (
gnt-node list-storage) and modify them (gnt-node modify-storage) - Added new ssconf files with master candidate IP address
(
ssconf_master_candidates_ips), node primary IP address (ssconf_node_primary_ips) and node secondary IP address (ssconf_node_secondary_ips) - Added
ganeti-confdand a client library to query the Ganeti configuration via UDP - Added ability to run hooks after cluster initialization and before cluster destruction
- Added automatic mode for disk replace (
gnt-instance replace-disks --auto) - Added
gnt-instance recreate-disksto re-create (empty) disks after catastrophic data-loss - Added
gnt-node repair-storagecommand to repair damaged LVM volume groups - Added
gnt-instance movecommand to move instances - Added
gnt-cluster watchercommand to control watcher - Added
gnt-node powercyclecommand to powercycle nodes - Added new job status field
lock_status - Added parseable error codes to cluster verification (
gnt-cluster verify --error-codes) and made output less verbose (use--verboseto restore previous behaviour) - Added UUIDs to the main config entities (cluster, nodes, instances)
- Added support for OS variants
- Added support for hashed passwords in the Ganeti remote API users file
(
rapi_users) - Added option to specify maximum timeout on instance shutdown
- Added
--no-ssh-initoption tognt-cluster init - Added new helper script to start and stop Ganeti daemons
(
daemon-util), with the intent to reduce the work necessary to adjust Ganeti for non-Debian distributions and to start/stop daemons from one place - Added more unittests
- Fixed critical bug in ganeti-masterd startup
- Removed the configure-time
kvm-migration-portparameter, this is now customisable at the cluster level for both the KVM and Xen hypervisors using the newmigration_portparameter - Pass
INSTANCE_REINSTALLvariable to OS installation script when reinstalling an instance - Allowed
@in tag names - Migrated to Sphinx (http://sphinx.pocoo.org/) for documentation
- Many documentation updates
- Distribute hypervisor files on
gnt-cluster redist-conf gnt-instance reinstallcan now reinstall multiple instances- Updated many command line parameters
- Introduced new OS API version 15
- No longer support a default hypervisor
- Treat virtual LVs as inexistent
- Improved job locking logic to reduce lock contention
- Match instance and node names case insensitively
- Reimplemented bash completion script to be more complete
- Improved burnin
(Released Thu, 4 Feb 2010)
- Fix cleaner behaviour on nodes not in a cluster (Debian bug 568105)
- Fix a string formatting bug
- Improve safety of the code in some error paths
- Improve data validation in the master of values returned from nodes
(Released Thu, 17 Dec 2009)
- Fix security issue due to missing validation of iallocator names; this allows local and remote execution of arbitrary executables
- Fix failure of gnt-node list during instance removal
- Ship the RAPI documentation in the archive
(Released Wed, 30 Sep 2009)
- Fixed many wrong messages
- Fixed a few bugs related to the locking library
- Fixed MAC checking at instance creation time
- Fixed a DRBD parsing bug related to gaps in /proc/drbd
- Fixed a few issues related to signal handling in both daemons and scripts
- Fixed the example startup script provided
- Fixed insserv dependencies in the example startup script (patch from Debian)
- Fixed handling of drained nodes in the iallocator framework
- Fixed handling of KERNEL_PATH parameter for xen-hvm (Debian bug #528618)
- Fixed error related to invalid job IDs in job polling
- Fixed job/opcode persistence on unclean master shutdown
- Fixed handling of partial job processing after unclean master shutdown
- Fixed error reporting from LUs, previously all errors were converted into execution errors
- Fixed error reporting from burnin
- Decreased significantly the memory usage of the job queue
- Optimised slightly multi-job submission
- Optimised slightly opcode loading
- Backported the multi-job submit framework from the development branch; multi-instance start and stop should be faster
- Added script to clean archived jobs after 21 days; this will reduce the size of the queue directory
- Added some extra checks in disk size tracking
- Added an example ethers hook script
- Added a cluster parameter that prevents Ganeti from modifying of /etc/hosts
- Added more node information to RAPI responses
- Added a
gnt-job watchcommand that allows following the ouput of a job - Added a bind-address option to ganeti-rapi
- Added more checks to the configuration verify
- Enhanced the burnin script such that some operations can be retried automatically
- Converted instance reinstall to multi-instance model
(Released Fri, 7 Aug 2009)
- Added
--ignore-sizeto thegnt-instance activate-diskscommand to allow using the pre-2.0.2 behaviour in activation, if any existing instances have mismatched disk sizes in the configuration - Added
gnt-cluster repair-disk-sizescommand to check and update any configuration mismatches for disk sizes - Added
gnt-master cluste-failover --no-votingto allow master failover to work on two-node clusters - Fixed the
--netoption ofgnt-backup import, which was unusable - Fixed detection of OS script errors in
gnt-backup export - Fixed exit code of
gnt-backup export
(Released Fri, 17 Jul 2009)
- Added experimental support for stripped logical volumes; this should
enhance performance but comes with a higher complexity in the block
device handling; stripping is only enabled when passing
--with-lvm-stripecount=Ntoconfigure, but codepaths are affected even in the non-stripped mode - Improved resiliency against transient failures at the end of DRBD resyncs, and in general of DRBD resync checks
- Fixed a couple of issues with exports and snapshot errors
- Fixed a couple of issues in instance listing
- Added display of the disk size in
gnt-instance info - Fixed checking for valid OSes in instance creation
- Fixed handling of the "vcpus" parameter in instance listing and in general of invalid parameters
- Fixed http server library, and thus RAPI, to handle invalid username/password combinations correctly; this means that now they report unauthorized for queries too, not only for modifications, allowing earlier detect of configuration problems
- Added a new "role" node list field, equivalent to the master/master candidate/drained/offline flags combinations
- Fixed cluster modify and changes of candidate pool size
- Fixed cluster verify error messages for wrong files on regular nodes
- Fixed a couple of issues with node demotion from master candidate role
- Fixed node readd issues
- Added non-interactive mode for
ganeti-masterd --no-votingstartup - Added a new
--no-votingoption for masterfailover to fix failover on two-nodes clusters when the former master node is unreachable - Added instance reinstall over RAPI
(Released Tue, 16 Jun 2009)
- added
-H/-Bstartup parameters tognt-instance, which will allow re-adding the start in single-user option (regression from 1.2) - the watcher writes the instance status to a file, to allow monitoring to report the instance status (from the master) based on cached results of the watcher's queries; while this can get stale if the watcher is being locked due to other work on the cluster, this is still an improvement
- the watcher now also restarts the node daemon and the rapi daemon if they died
- fixed the watcher to handle full and drained queue cases
- hooks export more instance data in the environment, which helps if hook scripts need to take action based on the instance's properties (no longer need to query back into ganeti)
- instance failovers when the instance is stopped do not check for free RAM, so that failing over a stopped instance is possible in low memory situations
- rapi uses queries for tags instead of jobs (for less job traffic), and for cluster tags it won't talk to masterd at all but read them from ssconf
- a couple of error handling fixes in RAPI
- drbd handling: improved the error handling of inconsistent disks after resync to reduce the frequency of "there are some degraded disks for this instance" messages
- fixed a bug in live migration when DRBD doesn't want to reconnect (the error handling path called a wrong function name)
(Released Wed, 27 May 2009)
- no changes from rc5
(Released Wed, 20 May 2009)
- fix a couple of bugs (validation, argument checks)
- fix
gnt-cluster getmasteron non-master nodes (regression) - some small improvements to RAPI and IAllocator
- make watcher automatically start the master daemon if down
(Released Mon, 27 Apr 2009)
- change the OS list to not require locks; this helps with big clusters
- fix
gnt-cluster verifyandgnt-cluster verify-diskswhen the volume group is broken gnt-instance info, without any arguments, doesn't run for all instances anymore; either pass--allor pass the desired instances; this helps against mistakes on big clusters where listing the information for all instances takes a long time- miscellaneous doc and man pages fixes
(Released Wed, 8 Apr 2009)
- Change the internal locking model of some
gnt-nodecommands, in order to reduce contention (and blocking of master daemon) when batching many creation/reinstall jobs - Fixes to Xen soft reboot
- No longer build documentation at build time, instead distribute it in the archive, in order to reduce the need for the whole docbook/rst toolchains
(Released Fri, 27 Mar 2009)
- Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to 2.0
- Fix watcher startup sequence, improves the behaviour of busy clusters
- Some other fixes in
gnt-cluster verify,gnt-instance replace-disks,gnt-instance add,gnt-cluster queue, KVM VNC bind address and other places - Some documentation fixes and updates
(Released Mon, 2 Mar 2009)
- More documentation updates, now all docs should be more-or-less up-to-date
- A couple of small fixes (mixed hypervisor clusters, offline nodes, etc.)
- Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen PVM and KVM)
- Fix an issue related to $libdir/run/ganeti and cluster creation
(Released Thu, 19 Feb 2009)
- Xen PVM and KVM have switched the default value for the instance root disk to the first partition on the first drive, instead of the whole drive; this means that the OS installation scripts must be changed accordingly
- Man pages have been updated
- RAPI has been switched by default to HTTPS, and the exported functions should all work correctly
- RAPI v1 has been removed
- Many improvements to the KVM hypervisor
- Block device errors are now better reported
- Many other bugfixes and small improvements
(Released Mon, 26 Jan 2009)
- Version 2 is a general rewrite of the code and therefore the
differences are too many to list, see the design document for 2.0 in
the
doc/subdirectory for more details - In this beta version there is not yet a migration path from 1.2 (there will be one in the final 2.0 release)
- A few significant changes are:
- all commands are executed by a daemon (
ganeti-masterd) and the variousgnt-*commands are just front-ends to it - all the commands are entered into, and executed from a job queue,
see the
gnt-job(8)manpage - the RAPI daemon supports read-write operations, secured by basic HTTP authentication on top of HTTPS
- DRBD version 0.7 support has been removed, DRBD 8 is the only supported version (when migrating from Ganeti 1.2 to 2.0, you need to migrate to DRBD 8 first while still running Ganeti 1.2)
- DRBD devices are using statically allocated minor numbers, which will be assigned to existing instances during the migration process
- there is support for both Xen PVM and Xen HVM instances running on the same cluster
- KVM virtualization is supported too
- file-based storage has been implemented, which means that it is possible to run the cluster without LVM and DRBD storage, for example using a shared filesystem exported from shared storage (and still have live migration)
- all commands are executed by a daemon (
(Released Tue, 13 Jan 2009)
- Change the default reboot type in
gnt-instance rebootto "hard" - Reuse the old instance mac address by default on instance import, if the instance name is the same.
- Handle situations in which the node info rpc returns incomplete results (issue 46)
- Add checks for tcp/udp ports collisions in
gnt-cluster verify - Improved version of batcher:
- state file support
- instance mac address support
- support for HVM clusters/instances
- Add an option to show the number of cpu sockets and nodes in
gnt-node list - Support OSes that handle more than one version of the OS api (but do not change the current API in any other way)
- Fix
gnt-node migrate gnt-debugman page- Fixes various more typos and small issues
- Increase disk resync maximum speed to 60MB/s (from 30MB/s)
(Released Wed, 24 Sep 2008)
- new
--hvm-nic-typeand--hvm-disk-typeflags to control the type of disk exported to fully virtualized instances. - provide access to the serial console of HVM instances
- instance auto_balance flag, set by default. If turned off it will avoid warnings on cluster verify if there is not enough memory to fail over an instance. in the future it will prevent automatically failing it over when we will support that.
- batcher tool for instance creation, see
tools/README.batcher gnt-instance reinstall --select-osto interactively select a new operating system when reinstalling an instance.- when changing the memory amount on instance modify a check has been added that the instance will be able to start. also warnings are emitted if the instance will not be able to fail over, if auto_balance is true.
- documentation fixes
- sync fields between
gnt-instance list/modify/add/import - fix a race condition in drbd when the sync speed was set after giving the device a remote peer.
(Released Tue, 22 Jul 2008)
- note: the allowed size and number of tags per object were reduced
- fix a bug in
gnt-cluster verifywith inconsistent volume groups - fixed twisted 8.x compatibility
- fixed
gnt-instance replace-diskswith iallocator - add TCP keepalives on twisted connections to detect restarted nodes
- disk increase support, see
gnt-instance grow-disk - implement bulk node/instance query for RAPI
- add tags in node/instance listing (optional)
- experimental migration (and live migration) support, read the man page
for
gnt-instance migrate - the
ganeti-watcherlogs are now timestamped, and the watcher also has some small improvements in handling its state file
(Released Fri, 13 Jun 2008)
- Experimental readonly, REST-based remote API implementation;
automatically started on master node, TCP port 5080, if enabled by
--enable-rapiparameter to configure script. - Instance allocator support. Add and import instance accept a
--iallocatorparameter, and call that instance allocator to decide which node to use for the instance. The iallocator document describes what's expected from an allocator script. gnt-cluster verifyN+1 memory redundancy checks: Unless passed the--no-nplus1-memoptiongnt-cluster verifynow checks that if a node is lost there is still enough memory to fail over the instances that reside on it.gnt-cluster verifyhooks: it is now possible to add post-hooks tognt-cluster verify, to check for site-specific compliance. All the hooks will run, and their output, if any, will be displayed. Any failing hook will make the verification return an error value.gnt-cluster verifynow checks that its peers are reachable on the primary and secondary interfacesgnt-node addnow supports the--readdoption, to readd a node that is still declared as part of the cluster and has failed.gnt-* listcommands now accept a new-o +fieldway of specifying output fields, that just adds the chosen fields to the default ones.gnt-backupnow has a newremovecommand to delete an existing export from the filesystem.- New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path have been added. Using them you can enable/disable acpi and pae support, and specify a path for a cd image to be exported to the instance. These parameters as the name suggest only work on HVM clusters.
- When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and
PAE support will be set to the previously hardcoded values, but the
(previously hardcoded) path to the CDROM ISO image will be unset and
if required, needs to be set manually with
gnt-instance modifyafter the upgrade. - The address to which an instance's VNC console is bound is now selectable per-instance, rather than being cluster wide. Of course this only applies to instances controlled via VNC, so currently just applies to HVM clusters.
(Released Mon, 18 Feb 2008)
- more tweaks to the disk activation code (especially helpful for DRBD)
- change the default
gnt-instance listoutput format, now there is one combined status field (see the manpage for the exact values this field will have) - some more fixes for the mac export to hooks change
- make Ganeti not break with DRBD 8.2.x (which changed the version
format in
/proc/drbd) (issue 24) - add an upgrade tool from "remote_raid1" disk template to "drbd" disk template, allowing migration from DRBD0.7+MD to DRBD8
(Released Wed, 30 Jan 2008)
- fix
gnt-instance modifybreakage introduced in 1.2.1 with the HVM support (issue 23) - add command aliases infrastructure and a few aliases
- allow listing of VCPUs in the
gnt-instance listand improve the man pages and the--helpoption ofgnt-node list/gnt-instance list - fix
gnt-backup listwith down nodes (issue 21) - change the tools location (move from $pkgdatadir to $pkglibdir/tools)
- fix the dist archive and add a check for including svn/git files in the future
- some developer-related changes: improve the burnin and the QA suite, add an upload script for testing during development
(Released Wed, 16 Jan 2008)
- experimental HVM support, read the install document, section "Initializing the cluster"
- allow for the PVM hypervisor per-instance kernel and initrd paths
- add a new command
gnt-cluster verify-diskswhich uses a new algorithm to improve the reconnection of the DRBD pairs if the device on the secondary node has gone away - make logical volume code auto-activate LVs at disk activation time
- slightly improve the speed of activating disks
- allow specification of the MAC address at instance creation time, and
changing it later via
gnt-instance modify - fix handling of external commands that generate lots of output on stderr
- update documentation with regard to minimum version of DRBD8 supported
(Released Tue, 4 Dec 2007)
- Log the
xm createoutput to the node daemon log on failure (to help diagnosing the error) - In debug mode, log all external commands output if failed to the logs
- Change parsing of lvm commands to ignore stderr
(Released Wed, 28 Nov 2007)
- Another round of updates to the DRBD 8 code to deal with more failures in the replace secondary node operation
- Some more logging of failures in disk operations (lvm, drbd)
- A few documentation updates
- QA updates
(Released Tue, 13 Nov 2007)
- Change configuration file format from Python's Pickle to JSON. Upgrading is possible using the cfgupgrade utility.
- Add support for DRBD 8.0 (new disk template
drbd) which allows for faster replace disks and is more stable (DRBD 8 has many improvements compared to DRBD 0.7) - Added command line tags support (see man pages for
gnt-instance,gnt-node,gnt-cluster) - Added instance rename support
- Added multi-instance startup/shutdown
- Added cluster rename support
- Added
gnt-node evacuateto simplify some node operations - Added instance reboot operation that can speedup reboot as compared to stop and start
- Soften the requirement that hostnames are in FQDN format
- The
ganeti-watchernow activates drbd pairs after secondary node reboots - Removed dependency on debian's patched fping that uses the
non-standard
-Soption - Now the OS definitions are searched for in multiple, configurable paths (easier for distros to package)
- Some changes to the hooks infrastructure (especially the new post-configuration update hook)
- Other small bugfixes