1 files changed, 43 insertions, 0 deletions
diff --git a/app/services/clusters/cleanup/base_service.rb b/app/services/clusters/cleanup/base_service.rb
new file mode 100644
index 00000000000..f99e54cfc40
--- /dev/null
+++ b/app/services/clusters/cleanup/base_service.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module Clusters
+  module Cleanup
+    class BaseService
+      DEFAULT_EXECUTION_INTERVAL = 1.minute
+
+      def initialize(cluster, execution_count = 0)
+        @cluster = cluster
+        @execution_count = execution_count
+      end
+
+      private
+
+      attr_reader :cluster
+
+      def logger
+        @logger ||= Gitlab::Kubernetes::Logger.build
+      end
+
+      def log_event(event, extra_data = {})
+        meta = {
+          service: self.class.name,
+          cluster_id: cluster.id,
+          execution_count: @execution_count,
+          event: event
+        }
+
+        logger.info(meta.merge(extra_data))
+      end
+
+      def schedule_next_execution(worker_class)
+        log_event(:scheduling_execution, next_execution: @execution_count + 1)
+        worker_class.perform_in(execution_interval, cluster.id, @execution_count + 1)
+      end
+
+      # Override this method to customize the execution interval
+      def execution_interval
+        DEFAULT_EXECUTION_INTERVAL
+      end
+    end
+  end
+end