Merge pull request #34 from downtownallday/lxd

Switch to LXD from Vagrant

ehdd/ehdd_funcs.sh

@@ -17,6 +17,7 @@ if [ -z "${STORAGE_ROOT:-}" ]; then
     fi
 fi
 
+
 EHDD_IMG="$STORAGE_ROOT.HDD"
 EHDD_MOUNTPOINT="$STORAGE_ROOT"
 EHDD_LUKS_NAME="c1"

tests/assets/.gitignore

@@ -1 +1,3 @@
 .emacs
+backup/
+vm_keys/

tests/bin/lx_functions.sh

@@ -0,0 +1,251 @@
+#!/bin/bash
+#####
+##### This file is part of Mail-in-a-Box-LDAP which is released under the
+##### terms of the GNU Affero General Public License as published by the
+##### Free Software Foundation, either version 3 of the License, or (at
+##### your option) any later version. See file LICENSE or go to
+##### https://github.com/downtownallday/mailinabox-ldap for full license
+##### details.
+#####
+
+
+# source this file
+
+lx_project_root_dir() {
+    local d="$PWD"
+    while [ ${#d} -gt 1 ]; do
+        if [ -e "$d/setup" ]; then
+            echo "$d"
+            return 0
+        fi
+        d="$(dirname "$d")"
+    done
+    return 1
+}
+
+lx_guess_project_name() {
+    local d
+    d="$(lx_project_root_dir)"
+    [ $? -ne 0 ] && return 1
+    if [ -e "$d/setup/redis.sh" ]; then
+        echo "ciab"
+    else
+        echo "miab"
+    fi
+}
+
+
+# get the interface with the default route (first one)
+get_system_default_network_interface() {
+    ip route | awk '/^default/ {printf "%s", $5; exit 0}'
+}
+
+isa_bridge_interface() {
+    local interface="$1"
+    if ip --oneline link show type bridge | awk -F: '{print $2}' | grep -q "^ *$interface *\$"; then
+        echo "yes"
+    else
+        echo "no"
+    fi
+}
+
+isa_wifi_device() {
+    local interface="$1"
+    local type
+    type="$(nmcli d show "$interface" | awk '$1=="GENERAL.TYPE:" {print $2}')"
+    if [ "$type" = "wifi" ]; then
+        echo "yes"
+    else
+        echo "no"
+    fi
+}
+
+# delete an instance
+lx_delete() {
+    local project="${1:-default}"
+    local inst="$2"
+    local interactive="${3:-interactive}"
+
+    local xargs=""
+    if [ "$interactive" = "interactive" ]; then
+        xargs="-i"
+    fi
+
+    # only delete instance if the instance exists
+    if [ "$(lxc --project "$project" list name="$inst" -c n -f csv)" = "$inst" ]; then
+        lxc --project "$project" delete "$inst" -f $xargs
+    fi
+}
+
+
+# create a virtual-machine instance and start it
+lx_launch_vm() {
+    local project="${1:-default}"
+    local inst_name="$2"
+    lx_init_vm "$@" || return 1
+    lxc --project "$project" start "$inst_name" || return 1
+}
+
+
+# create a virtual-machine instance (stopped)
+lx_init_vm() {
+    local project="${1:-default}"
+    local inst_name="$2"
+    local image="$3"
+    local mount_host="$4"  # path that you want available in guest
+    local mount_guest="$5" # mountpoint in guest
+    shift; shift; shift; shift; shift;
+
+    # a storage named the same as project must exist
+    #    e.g. "lxc storage create $project dir" was executed prior.
+
+    case "${@}" in
+        *bridgenet* )
+            echo "Using network 'bridgenet'"
+            lxc --project "$project" profile show bridgenet | sed 's/^/    /' || return 1
+            ;;
+    esac
+
+    lxc --project "$project" init "$image" "$inst_name" --vm --storage "$project" "$@" || return 1
+
+    if [ ! -z "$mount_host" -a ! -z "$mount_guest" ]; then
+        echo "adding $mount_guest on $inst_name to refer to $mount_host on host as device '${project}root'"
+        if [ $EUID -ne 0 ]; then
+            # so that files created by root on the mount inside the
+            # guest have the permissions of the current host user and
+            # not root:root
+            # see: https://documentation.ubuntu.com/lxd/en/latest/userns-idmap/
+            local egid="$(id --group)"
+            local idmap="uid $EUID 0
+gid $egid 0"
+            lxc --project "$project" config set "$inst_name" raw.idmap="$idmap"
+        fi
+        lxc --project "$project" config device add "$inst_name" "${project}root" disk source="$(realpath "$mount_host")" path="$mount_guest" || return 1
+    fi
+}
+
+lx_launch_vm_and_wait() {
+    local project="$1"
+    local inst="$2"
+    local base_image="$3"
+    local mount_project_root_to="$4"
+    shift; shift; shift; shift;
+
+    # Delete existing instance, if it exists
+    lx_delete "$project" "$inst" interactive || return 1
+
+    # Create the instance (started)
+    lx_launch_vm "$project" "$inst" "$base_image" "$(lx_project_root_dir)" "$mount_project_root_to" "$@" || return 1
+
+    lx_wait_for_boot "$project" "$inst" || return 1
+}
+
+
+lx_output_inst_list() {
+#  Pre-defined column shorthand chars:
+#    4 - IPv4 address
+#    6 - IPv6 address
+#    a - Architecture
+#    b - Storage pool
+#    c - Creation date
+#    d - Description
+#    D - disk usage
+#    e - Project name
+#    l - Last used date
+#    m - Memory usage
+#    M - Memory usage (%)
+#    n - Name
+#    N - Number of Processes
+#    p - PID of the instance's init process
+#    P - Profiles
+#    s - State
+#    S - Number of snapshots
+#    t - Type (persistent or ephemeral)
+#    u - CPU usage (in seconds)
+#    L - Location of the instance (e.g. its cluster member)
+#    f - Base Image Fingerprint (short)
+#    F - Base Image Fingerprint (long)
+    local project="$1"
+    local columns="${2:-ns46tSL}"
+    local format="${3:-table}"  # csv|json|table|yaml|compact
+    lxc --project "$project" list -c "$columns" -f "$format"
+}
+
+lx_output_image_list() {
+#      Column shorthand chars:
+#      l - Shortest image alias (and optionally number of other aliases)
+#      L - Newline-separated list of all image aliases
+#      f - Fingerprint (short)
+#      F - Fingerprint (long)
+#      p - Whether image is public
+#      d - Description
+#      a - Architecture
+#      s - Size
+#      u - Upload date
+#      t - Type
+    local project="$1"
+    local columns="${2:-lfpdatsu}"
+    local format="${3:-table}"  # csv|json|table|yaml|compact
+    lxc --project "$project" image list -c "$columns" -f "$format"
+}
+
+lx_wait_for_boot() {
+    local project="$1"
+    local inst="$2"
+
+    echo -n "Wait for boot "
+    while ! lxc --project "$project" exec "$inst" -- ls >/dev/null 2>&1; do
+        echo -n "."
+        sleep 1
+    done
+    echo ""
+    echo -n "Wait for cloud-init "
+    lxc --project "$project" exec "$inst" -- cloud-init status --wait
+    local rc=$?
+
+    if [ $rc -eq 0 ]; then
+        echo "Wait for ip address "
+        local ip=""
+        local count=0
+        while [ $count -lt 10 ]; do
+            let count+=1
+            ip="$(lxc --project "$project" exec "$inst" -- hostname -I | awk '{print $1}')"
+            rc=$?
+            echo "  [${count}] got: $ip"
+            if [ $rc -ne 0 -o "$ip" != "" ];then
+                break
+            fi
+            sleep 5
+        done
+    fi
+    echo ""
+    return $rc
+}
+
+lx_get_ssh_identity() {
+    local keydir="tests/assets/vm_keys"
+    if [ "$1" != "relative" ]; then
+        keydir="$(lx_project_root_dir)/$keydir"
+    fi
+    echo "$keydir/id_ed25519"
+}
+
+lx_get_ssh_known_hosts() {
+    local id="$(lx_get_ssh_identity)"
+    local known_hosts="$(dirname "$id")/known_hosts"
+    echo "$known_hosts"
+}
+
+lx_remove_known_host() {
+    local hostname="$1"
+    local known_hosts="$(lx_get_ssh_known_hosts)"
+    ssh-keygen -f "$known_hosts" -R "$hostname"
+}
+
+lx_create_ssh_identity() {
+    local id="$(lx_get_ssh_identity)"
+    if [ ! -e "$id" ]; then
+        mkdir -p "$(dirname "$id")"
+        ssh-keygen -f "$id" -C "vm key" -N "" -t ed25519
+    fi
+}