1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gitlab/usage/metrics/instrumentations/issues_created_from_alerts_metric.rb b/lib/gitlab/usage/metrics/instrumentations/issues_created_from_alerts_metric.rb
new file mode 100644
index 00000000000..e430bc8eb71
--- /dev/null
+++ b/lib/gitlab/usage/metrics/instrumentations/issues_created_from_alerts_metric.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Usage
+    module Metrics
+      module Instrumentations
+        class IssuesCreatedFromAlertsMetric < NumbersMetric
+          ISSUES_FROM_ALERTS_METRICS = [
+            IssuesWithAlertManagementAlertsMetric,
+            IssuesWithPrometheusAlertEvents,
+            IssuesWithSelfManagedPrometheusAlertEvents
+          ].freeze
+
+          operation :add
+
+          data do |time_frame|
+            ISSUES_FROM_ALERTS_METRICS.map { |metric| metric.new(time_frame: time_frame).value }
+          end
+
+          # overwriting instrumentation to generate the appropriate sql query
+          def instrumentation
+            'SELECT ' + ISSUES_FROM_ALERTS_METRICS.map do |metric|
+              "(#{metric.new(time_frame: time_frame).instrumentation})"
+            end.join(' + ')
+          end
+        end
+      end
+    end
+  end
+end