1 files changed, 10 insertions, 23 deletions
diff --git a/app/models/clusters/applications/prometheus.rb b/app/models/clusters/applications/prometheus.rb
index b9c136abab4..21f7e410843 100644
--- a/app/models/clusters/applications/prometheus.rb
+++ b/app/models/clusters/applications/prometheus.rb
@@ -22,21 +22,18 @@ module Clusters
 
       attr_encrypted :alert_manager_token,
         mode: :per_attribute_iv,
-        key: Settings.attr_encrypted_db_key_base_truncated,
+        key: Settings.attr_encrypted_db_key_base_32,
         algorithm: 'aes-256-gcm'
 
+      default_value_for(:alert_manager_token) { SecureRandom.hex }
+
       after_destroy do
-        run_after_commit do
-          disable_prometheus_integration
-        end
+        cluster.find_or_build_integration_prometheus.destroy
       end
 
       state_machine :status do
         after_transition any => [:installed, :externally_installed] do |application|
-          application.run_after_commit do
-            Clusters::Applications::ActivateServiceWorker
-              .perform_async(application.cluster_id, ::PrometheusService.to_param) # rubocop:disable CodeReuse/ServiceClass
-          end
+          application.cluster.find_or_build_integration_prometheus.update(enabled: true, alert_manager_token: application.alert_manager_token)
         end
 
         after_transition any => :updating do |application|
@@ -44,6 +41,10 @@ module Clusters
         end
       end
 
+      def managed_prometheus?
+        !externally_installed? && !uninstalled?
+      end
+
       def updated_since?(timestamp)
         last_update_started_at &&
           last_update_started_at > timestamp &&
@@ -70,6 +71,7 @@ module Clusters
         )
       end
 
+      # Deprecated, to be removed in %14.0 as part of https://gitlab.com/groups/gitlab-org/-/epics/4280
       def patch_command(values)
         helm_command_module::PatchCommand.new(
           name: name,
@@ -98,23 +100,8 @@ module Clusters
         files.merge('values.yaml': replaced_values)
       end
 
-      def generate_alert_manager_token!
-        unless alert_manager_token.present?
-          update!(alert_manager_token: generate_token)
-        end
-      end
-
       private
 
-      def generate_token
-        SecureRandom.hex
-      end
-
-      def disable_prometheus_integration
-        ::Clusters::Applications::DeactivateServiceWorker
-          .perform_async(cluster_id, ::PrometheusService.to_param) # rubocop:disable CodeReuse/ServiceClass
-      end
-
       def install_knative_metrics
         return [] unless cluster.application_knative_available?