Merge pull request #5 from Slugger70/slurmdbd-cluster

Added cluster creation to slurmdb install

defaults/main.yml

@@ -17,6 +17,10 @@ slurmd_service_name: slurmd
 slurmctld_service_name: slurmctld
 slurmdbd_service_name: slurmdbd
 
+#Cluster name for slurm config. This is required to correctly setup slurmdbd and attune it to the slurm config.
+__slurm_cluster_name: cluster
+__cluster_not_setup: true #Default value. Is modified if cluster already exists.
+
 slurm_start_services: true
 
 __slurm_user_name: "{{ (slurm_user | default({})).name | default('slurm') }}"
@@ -42,7 +46,7 @@ __slurm_config_default:
   AuthType: auth/munge
   CryptoType: crypto/munge
   SlurmUser: "{{ __slurm_user_name }}"
-  ClusterName: cluster
+  ClusterName: "{{ __slurm_cluster_name }}"
   # default is proctrack/cgroup which is the best but also less than 100% chance of working e.g. in docker
   ProctrackType: proctrack/pgid
   # slurmctld options

tasks/main.yml

@@ -39,3 +39,7 @@
     enabled: true
     state: started
   when: "slurm_start_services and ('slurmexechosts' in group_names or 'exec' in slurm_roles)"
+
+- name: Setup cluster on slurmdb
+  include_tasks: slurmdbd_cluster.yml
+  when: "slurm_start_services and ('slurmdbdservers' in group_names or 'dbd' in slurm_roles)"

tasks/slurmdbd_cluster.yml

@@ -0,0 +1,20 @@
+---
+
+- name: Check for existence of cluster in db.
+  register: cluster_check
+  shell: "sacctmgr -n list cluster | cut -f 4 -d ' '"
+  become: yes
+  become_user: root
+
+- name: set cluster_check_boolean
+  set_fact:
+      __cluster_not_setup: false
+  when: cluster_check.stdout == "cluster"
+
+- name: Create the slurmdbd cluster
+  command: sacctmgr -i -n add cluster {{ __slurm_cluster_name }}
+  become: yes
+  become_user: root
+  notify:
+    - reload slurmdbd
+  when: __cluster_not_setup