last changes

Author: crosmuller

roles/mongo/defaults/main.yml

@@ -75,5 +75,8 @@ mongo_data_path: "/var/lib/mongo"
 #     votes: 1
 #     arbiterOnly: true
 
+mongo_cluster_write_concern: "majority"
+mongo_cluster_write_timeout: 5000
+
 # to avoid surprises only initiate or reconfigure cluster if this is true (safest option is to use -e mongo_configure_cluster=true with your deployment when cluster configuration is necessary)
 mongo_configure_cluster: false

roles/mongo/tasks/clusterconfig.yml

@@ -111,4 +111,44 @@
     - name: Debug cluster reconfiguration
       ansible.builtin.debug:
         msg: "{{ rs_reconfigure }}"
-        verbosity: 2
+        verbosity: 2
+
+    - name: Wait for the replicaset to stabilise
+      community.mongodb.mongodb_status:
+        replica_set: "{{ mongo_replica_set_name }}"
+        login_host: localhost
+        login_user: admin
+        login_password: "{{ mongo_admin_password }}"
+        login_port: "{{ mongo_port }}"
+        poll: 5
+        interval: 30
+
+    # Cluster settings that cannot be changed with mongodb_replicaset
+
+    - name: Get current default write concern
+      community.mongodb.mongodb_shell:
+        login_host: localhost
+        login_port: 27017
+        login_user: admin
+        login_password: "{{ mongo_admin_password }}"
+        eval: "db.adminCommand({ getDefaultRWConcern: 1 })"
+        #transform: raw
+      register: current_write_concern
+      changed_when: false
+
+    - name: Debug write concern check
+      ansible.builtin.debug:
+        msg: "{{ current_write_concern.transformed_output.defaultWriteConcern }}"
+        verbosity: 2
+
+    - name: Set default write concern
+      community.mongodb.mongodb_shell:
+        login_host: localhost
+        login_user: admin
+        login_password: "{{ mongo_admin_password }}"
+        login_port: "{{ mongo_port }}"
+        eval: "db.adminCommand({ setDefaultRWConcern: 1, defaultWriteConcern: { w: {{ mongo_cluster_write_concern | default('majority') }}, wtimeout: {{ mongo_cluster_write_timeout | default(5000) }} } })"
+      when: >
+          current_write_concern.transformed_output.defaultWriteConcern.w | string != mongo_cluster_write_concern | default('majority') | string
+          or
+          current_write_concern.transformed_output.defaultWriteConcern.wtimeout | int != mongo_cluster_write_timeout | default(5000) | int