deploy: added deployer_controller_failed_rollouts metrics

pkg/deploy/controller/deployer/deployer_controller.go

@@ -1,4 +1,4 @@
-package deployment
+package deployer
 
 import (
 	"fmt"

pkg/deploy/controller/deployer/deployer_controller_test.go

@@ -1,4 +1,4 @@
-package deployment
+package deployer
 
 import (
 	"fmt"

pkg/deploy/controller/deployer/factory.go

@@ -1,4 +1,4 @@
-package deployment
+package deployer
 
 import (
 	"fmt"
@@ -105,6 +105,7 @@ func (c *DeploymentController) addReplicationController(obj interface{}) {
 		return
 	}
 
+	updateFailedRolloutsMetrics(nil, rc)
 	c.enqueueReplicationController(rc)
 }
 
@@ -121,6 +122,7 @@ func (c *DeploymentController) updateReplicationController(old, cur interface{})
 		return
 	}
 
+	updateFailedRolloutsMetrics(oldRC, curRC)
 	c.enqueueReplicationController(curRC)
 }
 

pkg/deploy/controller/deployer/metrics.go

@@ -0,0 +1,35 @@
+package deployer
+
+import (
+	deployutil "github.com/openshift/origin/pkg/deploy/util"
+	"github.com/prometheus/client_golang/prometheus"
+	"k8s.io/kubernetes/pkg/api/v1"
+)
+
+// DeployerControllerSubsystem is how this controller is represented in
+// prometheus metrics.
+const DeployerControllerSubsystem = "deployer_controller"
+
+var (
+	failedRolloutsCounter = prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Subsystem: DeployerControllerSubsystem,
+			Name:      "failed_rollouts",
+			Help:      "Counts total failed rollouts",
+		},
+		[]string{},
+	)
+)
+
+func init() {
+	prometheus.MustRegister(failedRolloutsCounter)
+}
+
+func updateFailedRolloutsMetrics(oldRC, newRC *v1.ReplicationController) {
+	if oldRC != nil && deployutil.IsFailedDeployment(oldRC) {
+		return
+	}
+	if deployutil.IsFailedDeployment(newRC) {
+		failedRolloutsCounter.WithLabelValues().Inc()
+	}
+}