add postgresql_unix_socket_directories_mode option to change the mode to the unix socket directories (which causes idempotence problemes on RedHat-7)

defaults/main.yml

@@ -13,6 +13,8 @@ postgresql_group: postgres
 postgresql_unix_socket_directories:
   - /var/run/postgresql
 
+postgresql_unix_socket_directories_mode: '02755'
+
 postgresql_service_state: started
 postgresql_service_enabled: true
 

tasks/configure.yml

@@ -24,5 +24,5 @@
     state: directory
     owner: "{{ postgresql_user }}"
     group: "{{ postgresql_group }}"
-    mode: 02775
+    mode: "{{ postgresql_unix_socket_directories_mode }}"
   with_items: "{{ postgresql_unix_socket_directories }}"