feat(postgresql): add ansible role for postgresql deployment

roles/postgresql/defaults/main/config.yml

@@ -8,7 +8,7 @@ postgresql_config_port: 5432
 
 postgresql_base_config:
   listen_addresses: "{{ postgresql_config_listen_addresses }}"
-  connect_socket: "{{ postgresql_config_connect_socket }}"
+  unix_socket_directories: "{{ postgresql_config_unix_socket_directories }}"
   port: "{{ postgresql_config_port }}"
 postgresql_merged_config: >-2
   {{ postgresql_base_config | combine(

roles/postgresql/defaults/main/main.yml

@@ -17,15 +17,14 @@ postgresql_pg_ident_conf_file: >-2
   {{ postgresql_config_path }}/pg_ident.conf
 postgresql_pg_hba_conf_file: >-2
   {{ postgresql_config_path }}/pg_hba.conf
-postgresql_admin_role: "{{ postgresql_user }}"
+postgresql_admin_role: "postgres"
 postgresql_admin_role_contype: local
 postgresql_admin_role_method: peer
 postgresql_admin_local_user: >-2
   {{ ansible_facts['user_id'] }}
 postgresql_admin_role_mapping_name: >-2
   {{ postgresql_admin_local_user }}_{{ postgresql_admin_role }}
-postgresql_admin_pg_ident_conf: >-2
-  {{ postgresql_admin_role_mapping_name }}\t{{ postgresql_admin_local_user }}\t{{ postgresql_admin_role }}
+postgresql_admin_pg_ident_conf: "{{ postgresql_admin_role_mapping_name }}\t{{ postgresql_admin_local_user }}\t{{ postgresql_admin_role }}"
 postgresql_admin_pg_hba_conf_options: >-2
   map={{ postgresql_admin_role_mapping_name }}
 postgresql_superuser_password: ~

roles/postgresql/tasks/configure.yml

@@ -14,21 +14,31 @@
     - name: Ensure postgresql configuration is set
       community.postgresql.postgresql_set:
         name: "{{ option.key }}"
-        value: "{{ option.value }}"
+        value: "{{ pg_option_value }}"
         login_host: "{{ postgresql_login_host }}"
         login_port: "{{ postgresql_config_port }}"
         login_password: "{{ postgresql_superuser_password }}"
-      loop: "{{ postgresql_merged_options | dict2items }}"
+      loop: "{{ postgresql_merged_config | dict2items }}"
       loop_control:
         loop_var: option
+      vars:
+        pg_option_value: >-2
+          {{
+            (option.value | join(' '))
+            if (option.value is iterable
+              and option.value is not string
+              and option.value is not mapping)
+            else option.value
+          }}
+      register: postgresql_config_results
 
     - name: Ensure postgresql configuration is reloaded
       community.postgresql.postgresql_query:
+        db: "postgres"
         query: "SELECT pg_reload_conf();"
         login_host: "{{ postgresql_login_host }}"
         login_port: "{{ postgresql_config_port }}"
         login_password: "{{ postgresql_superuser_password }}"
-      register: postgresql_config_results
 
     - name: Ensure restart handler is fired if required
       debug:
@@ -39,7 +49,7 @@
       loop: "{{ postgresql_config_results.results }}"
       loop_control:
         loop_var: result
-        label: "{{ result.option.name }}"
+        label: "{{ result.option.key }}"
   vars:
     postgresql_login_host: >-2
       {{

roles/postgresql/tasks/deploy-docker.yml

@@ -69,10 +69,9 @@
     file: "initialize-docker.yml"
   when:
     - postgresql_state == 'present'
-    - postgresql_global_data_info.stat.exists
+    - not postgresql_global_data_info.stat.exists
     - postgresql_global_data_info.stat.isdir is defined
-    - postgresql_global_data_info.stat.isdir
-    # TODO: determine if initialization is needed
+    - not postgresql_global_data_info.stat.isdir
 
 - name: Ensure postgresql container '{{ postgresql_container_name }}' is {{ postgresql_container_state }}
   community.docker.docker_container:

roles/postgresql/tasks/prepare.yml

@@ -20,7 +20,7 @@
       line: "# Ansible managed"
     - name: "{{ postgresql_pg_ident_conf_file }}"
       insert_after: "# Ansible managed"
-      line: "{{ ansible_user }}_{{ postgresql_admin_role }}\t{{ ansible_user }}\t{{ postgresql_admin_role }}"
+      line: "{{ postgresql_admin_pg_ident_conf }}"
   when: postgresql_state == 'present'
 
 - name: Configure permissions for postgresql admin role
@@ -29,5 +29,5 @@
     contype: "{{ postgresql_admin_role_contype }}"
     users: "{{ postgresql_admin_role }}"
     method: "{{ postgresql_admin_role_method }}"
-    options: "map={{ ansible_user }}_{{ postgresql_admin_role }}"
+    options: "{{ postgresql_admin_pg_hba_conf_options }}"
   when: postgresql_state == 'present'