Name pg pod in a more unique way

- this is to make it possible to run migration with multiple deployments in the same pod

README.md

@@ -62,6 +62,8 @@ metadata:
   name: awx
 ```
 
+> The metadata.name you provide, will be the name of the resulting AWX deployment.  If you deploy more than one to the same namespace, be sure to use unique names.  
+
 Finally, use `kubectl` to create the awx instance in your cluster:
 
 ```bash

roles/installer/tasks/migrate_data.yml

@@ -13,7 +13,7 @@
     kind: Pod
     namespace: '{{ meta.namespace }}'
     label_selectors:
-      - "app={{ deployment_type }}-postgres"
+      - "app={{ meta.name }}-{{ deployment_type }}-postgres"
   register: postgres_pod
   until: "postgres_pod['resources'][0]['status']['phase'] == 'Running'"
   delay: 5

roles/installer/templates/tower_postgres.yaml.j2

@@ -6,11 +6,11 @@ metadata:
   name: '{{ meta.name }}-postgres'
   namespace: '{{ meta.namespace }}'
   labels:
-    app: '{{ deployment_type }}-postgres'
+    app: '{{ meta.name }}-{{ deployment_type }}-postgres'
 spec:
   selector:
     matchLabels:
-      app: '{{ deployment_type }}-postgres'
+      app: '{{ meta.name }}-{{ deployment_type }}-postgres'
   serviceName: '{{ meta.name }}'
   replicas: 1
   updateStrategy:
@@ -18,7 +18,7 @@ spec:
   template:
     metadata:
       labels:
-        app: '{{ deployment_type }}-postgres'
+        app: '{{ meta.name }}-{{ deployment_type }}-postgres'
     spec:
       containers:
         - image: '{{ tower_postgres_image }}'
@@ -71,10 +71,10 @@ metadata:
   name: '{{ meta.name }}-postgres'
   namespace: '{{ meta.namespace }}'
   labels:
-    app: '{{ deployment_type }}-postgres'
+    app: '{{ meta.name }}-{{ deployment_type }}-postgres'
 spec:
   ports:
     - port: 5432
   clusterIP: None
   selector:
-    app: '{{ deployment_type }}-postgres'
+    app: '{{ meta.name }}-{{ deployment_type }}-postgres'