Don't unregister on system/resource delete

Don't unregister systems from the portal/satellite
when deleting from Heat. There are several reasons why
it's compelling to fix this behavior. See
https://bugs.launchpad.net/tripleo/+bug/1710144
for full information. The previous behavior can be triggered
by setting the DeleteOnRHELUnregistration parameter to "true".

Closes-Bug: #1710144
Change-Id: I909a6f7a049dc23fc27f2231a4893d428f06a1f1
(cherry picked from commit 35ed6c6065)

extraconfig/pre_deploy/rhel-registration/rhel-registration.yaml

@@ -59,8 +59,18 @@ parameters:
     description: |
       When enabled, the system will perform a yum update after performing the
       RHEL Registration process.
+  DeleteOnRHELUnregistration:
+    type: boolean
+    default: false
+    description: |
+      When true, the system profile will be deleted from the registration
+      service when the rhel-registration.yaml nested stack is deleted.
 
 conditions:
+  unregister_on_delete:
+    equals:
+      - {get_param: DeleteOnRHELUnregistration}
+      - true
   update_requested:
     equals:
       - {get_param: UpdateOnRHELRegistration}
@@ -68,6 +78,12 @@ conditions:
 
 resources:
 
+  DeploymentActions:
+    type: OS::Heat::Value
+    properties:
+      value:
+        yaql
+
   RHELRegistration:
     type: OS::Heat::SoftwareConfig
     properties:
@@ -142,7 +158,11 @@ resources:
       name: RHELUnregistrationDeployment
       server:  {get_param: server}
       config: {get_resource: RHELUnregistration}
-      actions: ['DELETE'] # Only do this on DELETE
+      actions:
+        if:
+          - unregister_on_delete
+          - ['DELETE']
+          - []
       input_values:
         REG_METHOD: {get_param: rhel_reg_method}
 

releasenotes/notes/dont-unregister-on-delete-9708f7cbc73a0d2f.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - Don't unregister systems from the portal/satellite
+    when deleting from Heat. There are several reasons why
+    it's compelling to fix this behavior. See
+    https://bugs.launchpad.net/tripleo/+bug/1710144
+    for full information. The previous behavior can be triggered
+    by setting the DeleteOnRHELUnregistration parameter to "true".