Merge pull request #25 from jabl/separate_dbdhost

Allow running slurmdbd and mysql on different node.
fgci-org · Mar 10, 2016 · aedd5cb · aedd5cb
2 parents 6958741 + ed920b6
commit aedd5cb
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Showing 4 changed files with 98 additions and 73 deletions.
diff --git a/tasks/dbd.yml b/tasks/dbd.yml
@@ -0,0 +1,94 @@
+---
+  - name: get munge key for distribution to nodes
+    copy: src=files/munge.key
+          dest=/etc/munge/munge.key
+          owner=munge
+          group=munge
+          mode=0400
+    notify:
+     - restart munge
+
+  - name: start munge
+    service: name=munge state=started enabled=yes
+
+  - name: install slurmdbd specific packages for EL6
+    yum: "name={{item}} state=present"
+    with_items:
+      - "mysql"
+      - "mysql-server"
+      - "mysql-devel"
+      - "MySQL-python"
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "6"
+
+  - name: start and enable mysql
+    service: name=mysqld state=started enabled=yes
+    register: mysql_start
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "6"
+
+  - name: install slurmdbd specific packages for EL7
+    yum: "name={{item}} state=present"
+    register: install_slurm_packages
+    with_items:
+      - "mariadb"
+      - "mariadb-server"
+      - "mariadb-devel"
+      - "MySQL-python"
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
+
+  - name: start and enable mariadb on EL7
+    service: name=mariadb state=started enabled=yes
+    register: mariadb_start
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
+
+  - name: restart mariadb after install
+    service: name=mariadb state=restarted
+    when: install_slurm_packages.changed
+
+  - name: cat /etc/my.cnf
+    command: cat /etc/my.cnf
+    register: slurm_mariadb_cnf
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
+    changed_when: False
+
+  - name: print slurm_mariadb_cnf
+    debug: "var=slurm_mariadb_cnf"
+    tags: debug
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
+    changed_when: False
+
+  - name: systemctl status mariadb
+    command: systemctl status mariadb
+    register: systemctl_slurm_status
+    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
+    changed_when: False
+
+  - name: wait for mysql in port 3306 to start
+    wait_for: port=3306 delay=10 timeout=60
+
+  - name: create slurm acct db
+    mysql_db: name=slurm_acct_db state=present
+
+  - name: check if slurm db user exists
+    mysql_user: "name=slurm state=present"
+    register: mysqlslurmuser
+    ignore_errors: yes
+    tags: debug
+
+  - name: print mysqlslurmuser
+    debug: "var=mysqlslurmuser"
+    tags: debug
+    changed_when: False
+
+  - name: slurm_mysql_password variable must be set
+    assert:
+      that: "slurm_mysql_password is defined"
+
+  - name: create slurm db user if it does not exist
+    mysql_user: "name=slurm password={{ slurm_mysql_password }} priv=slurm_acct_db.*:ALL state=present"
+    when: mysqlslurmuser|failed
+
+  - name: slurmdbd.conf
+    template: src=slurmdbd.conf.j2 dest=/etc/slurm/slurmdbd.conf owner=root mode=0640 backup=yes
+
+  - name: restart and enable slurmdbd
+    service: name=slurmdbd state=restarted enabled=yes
diff --git a/tasks/main.yml b/tasks/main.yml
@@ -9,6 +9,9 @@
 - include: common.yml
   when: ansible_os_family == "RedHat"
 
+- include: dbd.yml
+  when: (slurm_accounting_storage_host == ansible_hostname) and ansible_os_family == "RedHat"
+
 - include: service.yml
   when: slurm_type == "service" and ansible_os_family == "RedHat"
 

diff --git a/tasks/service.yml b/tasks/service.yml
@@ -2,88 +2,23 @@
   - name: install service specific packages for EL6
     yum: "name={{item}} state=present"
     with_items:
-      - "mysql"
-      - "mysql-server"
-      - "mysql-devel"
       - "lua-devel"
-      - "MySQL-python"
-    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "6"
-
-  - name: start and enable mysql
-    service: name=mysqld state=started enabled=yes
-    register: mysql_start
     when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "6"
 
   - name: install service specific packages for EL7
     yum: "name={{item}} state=present"
     register: install_slurm_packages
     with_items:
-      - "mariadb"
-      - "mariadb-server"
-      - "mariadb-devel"
       - "lua-devel"
-      - "MySQL-python"
       - "mailx"
     when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
 
-  - name: start and enable mariadb on EL7
-    service: name=mariadb state=started enabled=yes
-    register: mariadb_start
-    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
-
-  - name: restart mariadb after install
-    service: name=mariadb state=restarted
-    when: install_slurm_packages.changed
-
-  - name: cat /etc/my.cnf
-    command: cat /etc/my.cnf
-    register: slurm_mariadb_cnf
-    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
-    changed_when: False
-
-  - name: print slurm_mariadb_cnf
-    debug: "var=slurm_mariadb_cnf"
-    tags: debug
-    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
-    changed_when: False
-
-  - name: systemctl status mariadb
-    command: systemctl status mariadb
-    register: systemctl_slurm_status
-    when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
-    changed_when: False
-
   - name: print systemctl_slurm_status
     debug: "var=systemctl_slurm_status"
     tags: debug
     when: ansible_os_family == "RedHat" and ansible_distribution_major_version == "7"
     changed_when: False
 
-  - name: wait for mysql in port 3306 to start
-    wait_for: port=3306 delay=10 timeout=60
-
-  - name: create slurm acct db
-    mysql_db: name=slurm_acct_db state=present
-
-  - name: check if slurm db user exists
-    mysql_user: "name=slurm state=present"
-    register: mysqlslurmuser
-    ignore_errors: yes
-    tags: debug
-
-  - name: print mysqlslurmuser
-    debug: "var=mysqlslurmuser"
-    tags: debug
-    changed_when: False
-
-  - name: slurm_mysql_password variable must be set
-    assert:
-      that: "slurm_mysql_password is defined"
-
-  - name: create slurm db user if it does not exist
-    mysql_user: "name=slurm password={{ slurm_mysql_password }} priv=slurm_acct_db.*:ALL state=present"
-    when: mysqlslurmuser|failed
-
   - name: does the munge.key exist?
     stat: path=/etc/munge/munge.key
     register: mungekeystat
@@ -180,9 +115,6 @@
     command: /usr/bin/make -C /var/yp
     when: nis_server
 
-  - name: slurmdbd.conf
-    template: src=slurmdbd.conf.j2 dest=/etc/slurm/slurmdbd.conf owner=root mode=0640 backup=yes
-
   - name: restart munge
     service: name=munge state=restarted
     when: mungekeygen.changed and mungekeygen is defined
@@ -209,9 +141,6 @@
   - name: add slurmstate tmp dir
     file: "path={{ slurm_state_dir }} state=directory owner=slurm group=slurm mode=0750"
 
-  - name: restart and enable slurmdbd
-    service: name=slurmdbd state=restarted enabled=yes
-
   - name: sacctmgr show cluster siteName and store in slurm_clusterlist variable
     command: "sacctmgr -n show cluster {{ siteName }}"
     register: slurm_clusterlist

diff --git a/templates/slurmdbd.conf.j2 b/templates/slurmdbd.conf.j2
@@ -14,8 +14,7 @@ AuthType=auth/munge
 #AuthInfo=/var/run/munge/munge.socket.2
 #
 # slurmDBD info
-DbdAddr={{ hostvars[groups['slurm_service'][0]]['ansible_hostname']  }}
-DbdHost={{ hostvars[groups['slurm_service'][0]]['ansible_hostname']  }}
+DbdHost={{ slurm_accounting_storage_host }}
 #DbdPort=7031
 SlurmUser=slurm
 #MessageTimeout=300