Dont require database names to match when doing migration

roles/installer/tasks/database_configuration.yml

@@ -14,6 +14,21 @@
     name: '{{ meta.name }}-postgres-configuration'
   register: _default_pg_config_resources
 
+- name: Check for old PostgreSQL configuration secret
+  k8s_info:
+    kind: Secret
+    namespace: '{{ meta.namespace }}'
+    name: '{{ tower_old_postgres_configuration_secret }}'
+  register: old_pg_config
+  when: tower_old_postgres_configuration_secret | length
+
+- name: Set proper database name when migrating from old deployment
+  set_fact:
+    database_name: "{{ old_pg_config['resources'][0]['data']['database'] | b64decode }}"
+    database_username: "{{ old_pg_config['resources'][0]['data']['username'] | b64decode }}"
+  when:
+    - old_pg_config['resources'][0]['data']['database'] is defined
+
 - name: Set PostgreSQL configuration
   set_fact:
     _pg_config: '{{ _custom_pg_config_resources["resources"] | default([]) | length | ternary(_custom_pg_config_resources, _default_pg_config_resources) }}'
@@ -51,7 +66,7 @@
     awx_postgres_port: "{{ pg_config['resources'][0]['data']['port'] | b64decode }}"
     awx_postgres_host: "{{ pg_config['resources'][0]['data']['host'] | b64decode }}"
 
-- name: Check to see if this instance has already been migrated
+- name: Look up details for this deployment
   k8s_info:
     api_version: 'v1beta1' # TODO: How to parameterize this?
     kind: "AWX" # TODO: How to parameterize this?
@@ -59,14 +74,6 @@
     namespace: "{{ meta.namespace }}"
   register: this_awx
 
-- name: Check for old PostgreSQL configuration secret
-  k8s_info:
-    kind: Secret
-    namespace: '{{ meta.namespace }}'
-    name: '{{ tower_old_postgres_configuration_secret }}'
-  register: old_pg_config
-  when: tower_old_postgres_configuration_secret | length
-
 - name: Migrate data from old Openshift instance
   import_tasks: migrate_data.yml
   when: