Add RHELRegistrationActions to rhel-registration template

This can be used in the case where e.g a satellite has been added
after the initial deployment to re-register the nodes with the
satellite, even those nodes that already exist.

Change-Id: I944bc4c65b08de1ca08dd91f55764ebfe141dd9c

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

@@ -65,6 +65,11 @@ parameters:
     description: |
       When true, the system profile will be deleted from the registration
       service when the rhel-registration.yaml nested stack is deleted.
+  RHELRegistrationActions:
+    type: comma_delimited_list
+    default:
+      - CREATE
+    description: Actions when the system profile will be registered, by default we only do this on CREATE of a new server, not for existing nodes.
 
 conditions:
   unregister_on_delete:
@@ -119,7 +124,7 @@ resources:
       name: RHELRegistrationDeployment
       server:  {get_param: server}
       config: {get_resource: RHELRegistration}
-      actions: ['CREATE'] # Only do this on CREATE
+      actions: {get_param: RHELRegistrationActions}
       input_values:
         REG_ACTIVATION_KEY: {get_param: rhel_reg_activation_key}
         REG_AUTO_ATTACH: {get_param: rhel_reg_auto_attach}
@@ -202,7 +207,7 @@ resources:
       name: UpdateDeploymentAfterRHELRegistration
       config: {get_resource: YumUpdateConfigurationAfterRHELRegistration}
       server:  {get_param: server}
-      actions: ['CREATE'] # Only do this on CREATE
+      actions: {get_param: RHELRegistrationActions}
 
 outputs:
   deploy_stdout: