Adding postgres annotations support (#1829)

* Adding postgres annotations support

Authored-by: Imed Aouidene <imaouide@imaouide-thinkpadt14sgen2i.cdg.csb>

roles/installer/defaults/main.yml

@@ -212,6 +212,12 @@ task_annotations: ''
 #   my.web-annotation/2: value2
 web_annotations: ''
 
+# Add annotations to postgres pod. Specify as literal block. E.g.:
+# postgres_annotations: |
+#   my.annotation/1: value
+#   my.annotation/2: value2
+postgres_annotations: ''
+
 admin_user: admin
 admin_email: test@example.com
 

roles/installer/templates/statefulsets/postgres.yaml.j2

@@ -34,6 +34,9 @@ spec:
         app.kubernetes.io/component: 'database'
         app.kubernetes.io/part-of: '{{ ansible_operator_meta.name }}'
         app.kubernetes.io/managed-by: '{{ deployment_type }}-operator'
+{% if postgres_annotations %}
+        {{ postgres_annotations | indent(width=8) }}
+{% endif %}
     spec:
 {% if image_pull_secret is defined %}
       imagePullSecrets: