Handle statefulset updates

ansible/templates/role.yml.j2

@@ -59,6 +59,7 @@ rules:
       - apps
     resources:
       - deployments/scale
+      - statefulsets/scale
     verbs:
       - patch
   - apiGroups:

deploy/awx-operator.yaml

@@ -413,6 +413,7 @@ rules:
       - apps
     resources:
       - deployments/scale
+      - statefulsets/scale
     verbs:
       - patch
   - apiGroups:

deploy/olm-catalog/awx-operator/manifests/awx-operator.clusterserviceversion.yaml

@@ -460,6 +460,7 @@ spec:
           - apps
           resources:
           - deployments/scale
+          - statefulsets/scale
           verbs:
           - patch
         - apiGroups:

roles/installer/tasks/database_configuration.yml

@@ -64,12 +64,42 @@
   set_fact:
     pg_config: '{{ _generated_pg_config_resources["resources"] | default([]) | length | ternary(_generated_pg_config_resources, _pg_config) }}'
 
-- name: Create Database if no database is specified
-  k8s:
-    apply: true
-    definition: "{{ lookup('template', 'tower_postgres.yaml.j2') }}"
-  when:
-    - pg_config['resources'][0]['data']['type'] | default('') | b64decode == 'managed'
+- block:
+    - name: Create Database if no database is specified
+      k8s:
+        apply: true
+        definition: "{{ lookup('template', 'tower_postgres.yaml.j2') }}"
+      register: create_statefulset_result
+
+  rescue:
+    - name: Scale down Deployment for migration
+      include_tasks: scale_down_deployment.yml
+
+    - name: Scale down PostgreSQL statefulset for migration
+      community.kubernetes.k8s_scale:
+        api_version: apps/v1
+        kind: StatefulSet
+        name: "{{ meta.name }}-postgres"
+        namespace: "{{ meta.namespace }}"
+        replicas: 0
+        wait: yes
+
+    - name: Remove PostgreSQL statefulset for upgrade
+      k8s:
+        state: absent
+        api_version: apps/v1
+        kind: StatefulSet
+        name: "{{ meta.name }}-postgres"
+        namespace: "{{ meta.namespace }}"
+        wait: yes
+      when: create_statefulset_result.error == 422
+
+    - name: Recreate PostgreSQL statefulset with updated values
+      k8s:
+        apply: true
+        definition: "{{ lookup('template', 'tower_postgres.yaml.j2') }}"
+  when: pg_config['resources'][0]['data']['type'] | default('') | b64decode == 'managed'
+
 
 - name: Store Database Configuration
   set_fact:

roles/installer/tasks/migrate_data.yml

@@ -24,23 +24,8 @@
   set_fact:
     postgres_pod_name: "{{ postgres_pod['resources'][0]['metadata']['name'] }}"
 
-- name: Check for presence of Deployment
-  k8s_info:
-    api_version: v1
-    kind: Deployment
-    name: "{{ meta.name }}"
-    namespace: "{{ meta.namespace }}"
-  register: tower_deployment
-
 - name: Scale down Deployment for migration
-  k8s_scale:
-    api_version: v1
-    kind: Deployment
-    name: "{{ meta.name }}"
-    namespace: "{{ meta.namespace }}"
-    replicas: 0
-    wait: yes
-  when: tower_deployment['resources'] | length
+  include_tasks: scale_down_deployment.yml
 
 - name: Set pg_dump command
   set_fact:

roles/installer/tasks/resources_configuration.yml

@@ -34,7 +34,7 @@
 - name: Apply deployment resources
   k8s:
     apply: yes
-    definition: "{{ lookup('template', 'tower_deployment.yaml.j2') | from_yaml }}"
+    definition: "{{ lookup('template', 'tower_deployment.yaml.j2') }}"
     wait: yes
   register: tower_deployment_result
 

roles/installer/tasks/scale_down_deployment.yml

@@ -0,0 +1,19 @@
+---
+
+- name: Check for presence of Deployment
+  k8s_info:
+    api_version: v1
+    kind: Deployment
+    name: "{{ meta.name }}"
+    namespace: "{{ meta.namespace }}"
+  register: tower_deployment
+
+- name: Scale down Deployment for migration
+  community.kubernetes.k8s_scale:
+    api_version: v1
+    kind: Deployment
+    name: "{{ meta.name }}"
+    namespace: "{{ meta.namespace }}"
+    replicas: 0
+    wait: yes
+  when: tower_deployment['resources'] | length