1 files changed, 41 insertions, 0 deletions
diff --git a/db/migrate/20220106112085_add_update_vulnerability_reads_location_trigger.rb b/db/migrate/20220106112085_add_update_vulnerability_reads_location_trigger.rb
new file mode 100644
index 00000000000..a863fe8b7b8
--- /dev/null
+++ b/db/migrate/20220106112085_add_update_vulnerability_reads_location_trigger.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+class AddUpdateVulnerabilityReadsLocationTrigger < Gitlab::Database::Migration[1.0]
+  include Gitlab::Database::SchemaHelpers
+
+  TRIGGER_NAME = 'trigger_update_location_on_vulnerability_occurrences_update'
+  FUNCTION_NAME = 'update_location_from_vulnerability_occurrences'
+
+  def up
+    create_trigger_function(FUNCTION_NAME, replace: true) do
+      <<~SQL
+        UPDATE
+          vulnerability_reads
+        SET
+          location_image = NEW.location->>'image',
+          cluster_agent_id = NEW.location->'kubernetes_resource'->>'agent_id'
+        WHERE
+          vulnerability_id = NEW.vulnerability_id;
+        RETURN NULL;
+      SQL
+    end
+
+    execute(<<~SQL)
+      CREATE TRIGGER #{TRIGGER_NAME}
+      AFTER UPDATE ON vulnerability_occurrences
+      FOR EACH ROW
+      WHEN (
+        NEW.report_type IN (2, 7) AND (
+          OLD.location->>'image' IS DISTINCT FROM NEW.location->>'image' OR
+          OLD.location->'kubernetes_resource'->>'agent_id' IS DISTINCT FROM NEW.location->'kubernetes_resource'->>'agent_id'
+        )
+      )
+      EXECUTE PROCEDURE #{FUNCTION_NAME}();
+    SQL
+  end
+
+  def down
+    drop_trigger(:vulnerability_occurrences, TRIGGER_NAME)
+    drop_function(FUNCTION_NAME)
+  end
+end