Simplify vars needed for restore CR & do not garbage collect secrets

ansible/templates/awxrestore_crd.yml.j2

@@ -30,13 +30,16 @@ spec:
                   description: Name of the deployment to be restored to
                   type: string
                 tower_backup_pvc:
-                  description: Name of the PVC to be restored from
+                  description: Name of the PVC to be restored from, set as a status found on the awxbackup object (towerBackupClaim)
                   type: string
                 tower_backup_pvc_namespace:
                   description: Namespace the PVC is in
                   type: string
                 tower_backup_dir:
-                  description: Backup directory name, a status found on the awxbackup object (towerBackupComplete)
+                  description: Backup directory name, set as a status found on the awxbackup object (towerBackupDirectory)
+                  type: string
+                tower_backup:
+                  description: AWXBackup object name
                   type: string
                 tower_secret_key_secret:
                   description: Custom secret_key secret name
@@ -54,4 +57,4 @@ spec:
                   description: Label selector used to identify postgres pod for backing up data
                   type: string
               oneOf:
-                - required: ["tower_name", "tower_backup_pvc", "tower_backup_pvc_namespace", "tower_backup_dir"]
+                - required: ["tower_name", "tower_backup_pvc_namespace"]

deploy/awx-operator.yaml

@@ -482,13 +482,16 @@ spec:
                   description: Name of the deployment to be restored to
                   type: string
                 tower_backup_pvc:
-                  description: Name of the PVC to be restored from
+                  description: Name of the PVC to be restored from, set as a status found on the awxbackup object (towerBackupClaim)
                   type: string
                 tower_backup_pvc_namespace:
                   description: Namespace the PVC is in
                   type: string
                 tower_backup_dir:
-                  description: Backup directory name, a status found on the awxbackup object (towerBackupComplete)
+                  description: Backup directory name, set as a status found on the awxbackup object (towerBackupDirectory)
+                  type: string
+                tower_backup:
+                  description: AWXBackup object name
                   type: string
                 tower_secret_key_secret:
                   description: Custom secret_key secret name
@@ -506,7 +509,7 @@ spec:
                   description: Label selector used to identify postgres pod for backing up data
                   type: string
               oneOf:
-                - required: ["tower_name", "tower_backup_pvc", "tower_backup_pvc_namespace", "tower_backup_dir"]
+                - required: ["tower_name", "tower_backup_pvc_namespace"]
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1

deploy/crds/awxrestore_v1beta1_crd.yaml

@@ -30,13 +30,16 @@ spec:
                   description: Name of the deployment to be restored to
                   type: string
                 tower_backup_pvc:
-                  description: Name of the PVC to be restored from
+                  description: Name of the PVC to be restored from, set as a status found on the awxbackup object (towerBackupClaim)
                   type: string
                 tower_backup_pvc_namespace:
                   description: Namespace the PVC is in
                   type: string
                 tower_backup_dir:
-                  description: Backup directory name, a status found on the awxbackup object (towerBackupComplete)
+                  description: Backup directory name, set as a status found on the awxbackup object (towerBackupDirectory)
+                  type: string
+                tower_backup:
+                  description: AWXBackup object name
                   type: string
                 tower_secret_key_secret:
                   description: Custom secret_key secret name
@@ -54,4 +57,4 @@ spec:
                   description: Label selector used to identify postgres pod for backing up data
                   type: string
               oneOf:
-                - required: ["tower_name", "tower_backup_pvc", "tower_backup_pvc_namespace", "tower_backup_dir"]
+                - required: ["tower_name", "tower_backup_pvc_namespace"]

roles/backup/README.md

@@ -25,7 +25,7 @@ Then create a file named `backup-awx.yml` with the following contents:
 apiVersion: awx.ansible.com/v1beta1
 kind: AWXBackup
 metadata:
-  name: awxbackup
+  name: awxbackup-2021-04-22
   namespace: my-namespace
 spec:
   tower_name: mytower

roles/restore/README.md

@@ -32,9 +32,8 @@ metadata:
   namespace: my-namespace
 spec:
   tower_name: mytower
-  tower_backup_pvc: myoldtower-backup-claim
+  tower_backup: awxbackup-2021-04-22
   tower_backup_pvc_namespace: 'old-awx-namespace'
-  tower_backup_dir: /backups/tower-openshift-backup-2021-04-02-03:25:08
 ```
 
 Note that the `tower_name` above is the name of the AWX deployment you intend to create and restore to.  
@@ -92,6 +91,13 @@ If a custom postgres configuration secret was used when deploying AWX, it must b
 tower_postgres_configuration_secret: 'awx-postgres-configuration'
 ```
 
+If the awxbackup object no longer exists, it is still possible to restore from the backup it created by specifying the pvc name and the back directory.
+
+```
+tower_backup_pvc: myoldtower-backup-claim
+tower_backup_dir: /backups/tower-openshift-backup-2021-04-02-03:25:08
+```
+
 
 Testing
 ----------------

roles/restore/defaults/main.yml

@@ -6,14 +6,9 @@ tower_name: ''
 tower_backup_pvc: ''
 tower_backup_pvc_namespace: ''
 
-# TODO: If the backup_dir is not provided, it should default to the most recent backup based on the timestamp at the end of the file name.
 # Required: backup name, found on the awxbackup object
 tower_backup_dir: ''
 
-# TODO: Should we add a unique id at the end of the secret when backing up, then use it here?
-# or will that make future backups more complicated because the user will have to specify the names of all the secrets?
-# Names of any secrets you want to use instead of the ones in the backup
-
 # TODO: Is this necessary?  User's will be able to use the rekey role
 
 tower_admin_password_secret: "{{ tower_name }}-admin-password"

roles/restore/tasks/cleanup.yml

@@ -7,3 +7,18 @@
     namespace: "{{ tower_backup_pvc_namespace }}"
     state: absent
     force: true
+
+- name: Remove ownerReferences from secrets to avoid garbage collection
+  k8s:
+    definition:
+      apiVersion: v1
+      kind: Secret
+      metadata:
+        name: '{{ item }}'
+        namespace: '{{ meta.namespace }}'
+        ownerReferences: null
+  loop:
+    - '{{ tower_name }}-admin-password'
+    - '{{ tower_name }}-secret-key'
+    - '{{ tower_name }}-postgres-configuration'
+    - '{{ tower_name }}-broadcast-websocket'

roles/restore/tasks/init.yml

@@ -1,12 +1,24 @@
 ---
-- name: Set default pvc name
-  set_fact:
-    _default_backup_pvc: "{{ tower_name }}-backup-claim"
 
-# by default, it will re-use the old pvc if already created (unless pvc is provided)
+- name: Set variables from awxbackup object statuses if provided
-- name: Set PVC to use for backup
+  block:
-  set_fact:
+  - name: Look up details for the backup object
-    backup_pvc: "{{ tower_backup_pvc | default(_default_backup_pvc, true) }}"
+    k8s_info:
+      api_version: "{{ api_version }}"
+      kind: "AWXBackup"
+      name: "{{ tower_backup }}"
+      namespace: "{{ tower_backup_pvc_namespace }}"
+    register: this_backup
+
+  - name: Set backup pvc name from status
+    set_fact:
+      tower_backup_pvc: "{{ this_backup['resources'][0]['status']['towerBackupClaim'] }}"
+
+  - name: Set tmp backup directory from status
+    set_fact:
+      tower_backup_dir: "{{ this_backup['resources'][0]['status']['towerBackupDirectory'] }}"
+  when:
+    - tower_backup != '' or tower_backup is defined
 
 # Check to make sure provided pvc exists, error loudly if not.  Otherwise, the management pod will just stay in pending state forever.
 - name: Check provided PVC exists

roles/restore/templates/management-pod.yml.j2

@@ -17,6 +17,6 @@ spec:
   volumes:
     - name: {{ meta.name }}-backup
       persistentVolumeClaim:
-        claimName: {{ backup_pvc }}
+        claimName: {{ tower_backup_pvc }}
         readOnly: false
   restartPolicy: Never