1 files changed, 43 insertions, 0 deletions
diff --git a/lib/gitlab/health_checks/simple_abstract_check.rb b/lib/gitlab/health_checks/simple_abstract_check.rb
new file mode 100644
index 00000000000..fbe1645c1b1
--- /dev/null
+++ b/lib/gitlab/health_checks/simple_abstract_check.rb
@@ -0,0 +1,43 @@
+module Gitlab
+  module HealthChecks
+    module SimpleAbstractCheck
+      include BaseAbstractCheck
+
+      def readiness
+        check_result = check
+        if is_successful?(check_result)
+          HealthChecks::Result.new(true)
+        elsif check_result.is_a?(Timeout::Error)
+          HealthChecks::Result.new(false, "#{human_name} check timed out")
+        else
+          HealthChecks::Result.new(false, "unexpected #{human_name} check result: #{check_result}")
+        end
+      end
+
+      def metrics
+        with_timing method(:check) do |result, elapsed|
+          Rails.logger.error("#{human_name} check returned unexpected result #{result}") unless is_successful?(result)
+          [
+            metric("#{metric_prefix}_timeout", result.is_a?(Timeout::Error) ? 1 : 0),
+            metric("#{metric_prefix}_success", is_successful?(result) ? 1 : 0),
+            metric("#{metric_prefix}_latency", elapsed)
+          ]
+        end
+      end
+
+      private
+
+      def metric_prefix
+        raise NotImplementedError
+      end
+
+      def is_successful?(result)
+        raise NotImplementedError
+      end
+
+      def check
+        raise NotImplementedError
+      end
+    end
+  end
+end