Allow {web_,task_,}replicas to be 0 and split out molecule tests (#1468)

Signed-off-by: Rick Elrod <rick@elrod.me>

roles/installer/tasks/install.yml

@@ -88,6 +88,7 @@
     command: >-
       bash -c "awx-manage showmigrations | grep -v '[X]' | grep '[ ]' | wc -l"
   changed_when: false
+  when: awx_task_pod_name != ''
   register: database_check
 
 - name: Migrate the database if the K8s resources were updated.  # noqa 305
@@ -99,11 +100,13 @@
       bash -c "awx-manage migrate --noinput"
   register: migrate_result
   when:
+  - awx_task_pod_name != ''
   - database_check is defined
   - (database_check.stdout|trim) != '0'
 
 - name: Initialize Django
   include_tasks: initialize_django.yml
+  when: awx_task_pod_name != ''
 
 - name: Update status variables
   include_tasks: update_status.yml

roles/installer/tasks/resources_configuration.yml

@@ -285,5 +285,7 @@
 
 - name: Verify the resource pod name is populated.
   assert:
-    that: awx_task_pod_name != ''
+    that:
+      - awx_task_pod_name != ''
     fail_msg: "Could not find the tower pod's name."
+  when: task_replicas | int > 0 or (task_replicas == '' and replicas > 0)

roles/installer/tasks/update_status.yml

@@ -53,6 +53,7 @@
       bash -c "awx-manage --version"
   register: instance_version
   changed_when: false
+  when: awx_task_pod_name != ''
 
 - name: Update version status
   operator_sdk.util.k8s_status:
@@ -62,6 +63,7 @@
     namespace: "{{ ansible_operator_meta.namespace }}"
     status:
       version: "{{ instance_version.stdout | trim }}"
+  when: instance_version is not skipped
 
 - name: Update image status
   operator_sdk.util.k8s_status:

roles/installer/templates/deployments/task.yaml.j2

@@ -8,9 +8,9 @@ metadata:
     {{ lookup("template", "../common/templates/labels/common.yaml.j2")  | indent(width=4) | trim }}
     {{ lookup("template", "../common/templates/labels/version.yaml.j2") | indent(width=4) | trim }}
 spec:
-{% if task_replicas %}
+{% if task_replicas != '' %}
   replicas: {{ task_replicas }}
-{% elif replicas %}
+{% elif replicas != '' %}
   replicas: {{ replicas }}
 {% endif %}
   selector:

roles/installer/templates/deployments/web.yaml.j2

@@ -9,9 +9,9 @@ metadata:
     {{ lookup("template", "../common/templates/labels/common.yaml.j2")  | indent(width=4) | trim }}
     {{ lookup("template", "../common/templates/labels/version.yaml.j2") | indent(width=4) | trim }}
 spec:
-{% if web_replicas %}
+{% if web_replicas != '' %}
   replicas: {{ web_replicas }}
-{% elif replicas %}
+{% elif replicas != '' %}
   replicas: {{ replicas }}
 {% endif %}
   selector: