Allow greater flexibility to specify resource requests/limits

roles/installer/defaults/main.yml

@@ -51,11 +51,15 @@ tower_task_command: []
 tower_web_args: []
 tower_web_command: []
 
-tower_task_mem_request: 1Gi
-tower_task_cpu_request: 500m
+tower_task_resource_requirements:
+  requests:
+    cpu: 500m
+    memory: 1Gi
 
-tower_web_mem_request: 2Gi
-tower_web_cpu_request: 1000m
+tower_web_resource_requirements:
+  requests:
+    cpu: 1000m
+    memory: 2Gi
 
 # Add extra environment variables to the AWX task/web containers. Specify as
 # literal block. E.g.:
@@ -78,7 +82,9 @@ tower_web_extra_volume_mounts: ''
 tower_redis_image: redis:latest
 
 tower_postgres_image: postgres:12
-tower_postgres_storage_request: 8Gi
+tower_postgres_resource_requirements:
+  requests:
+    storage: 8Gi
 tower_postgres_storage_class: ''
 tower_postgres_data_path: '/var/lib/postgresql/data/pgdata'
 

roles/installer/templates/tower.yaml.j2

@@ -91,10 +91,7 @@ spec:
 {% if tower_task_extra_env %}
             {{ tower_web_extra_env | indent(width=12, indentfirst=True) }}
 {% endif %}
-          resources:
-            requests:
-              memory: '{{ tower_web_mem_request }}'
-              cpu: '{{ tower_web_cpu_request }}'
+          resources: {{ tower_web_resource_requirements }}
         - image: '{{ tower_image }}'
           name: '{{ meta.name }}-task'
           imagePullPolicy: '{{ tower_image_pull_policy }}'
@@ -155,10 +152,7 @@ spec:
 {% if tower_task_extra_env -%}
             {{ tower_task_extra_env | indent(width=12, indentfirst=True) }}
 {% endif %}
-          resources:
-            requests:
-              memory: '{{ tower_task_mem_request }}'
-              cpu: '{{ tower_task_cpu_request }}'
+          resources: {{ tower_task_resource_requirements }}
       volumes:
         - name: "{{ meta.name }}-application-credentials"
           secret:

roles/installer/templates/tower_postgres.yaml.j2

@@ -57,9 +57,7 @@ spec:
 {% if tower_postgres_storage_class != '' %}
         storageClassName: '{{ tower_postgres_storage_class }}'
 {% endif %}
-        resources:
-          requests:
-            storage: '{{ tower_postgres_storage_request }}'
+        resources: {{ tower_postgres_resource_requirements }}
 
 # Postgres Service.
 ---