Wait for Postgres to initialize before starting containers

roles/installer/tasks/database_configuration.yml

@@ -138,6 +138,20 @@
     awx_postgres_sslmode: "{{ pg_config['resources'][0]['data']['sslmode'] |  default('prefer'|b64encode) | b64decode }}"
   no_log: true
 
+- name: Wait for Database to initialize
+  k8s_info:
+    kind: Pod
+    namespace: '{{ ansible_operator_meta.namespace }}'
+    name: '{{ ansible_operator_meta.name }}-postgres-0'  # using name to keep compatibility
+    field_selectors:
+      - status.phase=Running
+  register: postgres_pod
+  until:
+    - "postgres_pod['resources'] | length"
+    - "postgres_pod['resources'][0]['status']['phase'] == 'Running'"
+  delay: 5
+  retries: 60
+
 - name: Look up details for this deployment
   k8s_info:
     api_version: "{{ api_version }}"