Use the correct task to set the selinux context.

tasks/postgresql-config.yml

@@ -87,8 +87,14 @@
       creates: '{{ psql_el_data_dir }}/base'
     when: postgresql_data_dir.stat.isdir is not defined
 
-  - name: Fix the SELinux rules
-    shell: semanage fcontext -a -a -t postgresql_db_t "{{ psql_el_base_dir }}(/.*)?" && restorecon -vR {{ psql_el_base_dir }}
+  - name: Fix the SELinux context for the new data directory
+    sefcontext:
+      target: '{{ psql_el_base_dir }}(/.*)?'
+      setype: postgresql_db_t
+      state: present
+
+  - name: Restore the SELinux context
+    command: restorecon -vR {{ psql_el_base_dir }}
 
   - name: Start the postgresql service that will use the new data directory
     service: name='postgresql-{{ psql_version }}' state=started 
@@ -105,8 +111,14 @@
   - name: Create the postgresql log directory
     file: dest={{ psql_log_dir }} state=directory owner=postgres group=postgres mode='0750'
 
-  - name: Fix the SELinux rules for the postgresql log directory
-    shell: semanage fcontext -a -a -t postgresql_db_t "{{ psql_log_dir }}(/.*)?" && restorecon -vR {{ psql_log_dir }}
+  - name: Fix the SELinux context for the postgresql log directory
+    sefcontext:
+      target: '{{ psql_log_dir }}(/.*)?'
+      setype: postgresql_db_t
+      state: present
+
+  - name: Fix the SELinux context for the postgresql log directory
+    command: restorecon -vR {{ psql_log_dir }}
 
   - name: Set some postgresql configuration parameters that require a db restart
     become: True