Merge pull request #107006 from gnufied/add-total-mount-time-metrics

Add metric for reporting total end-to-end mount time

pkg/volume/util/operationexecutor/operation_executor.go

@@ -388,6 +388,9 @@ type VolumeToMount struct {
 	// DesiredSizeLimit indicates the desired upper bound on the size of the volume
 	// (if so implemented)
 	DesiredSizeLimit *resource.Quantity
+
+	// time at which volume was requested to be mounted
+	MountRequestTime time.Time
 }
 
 // DeviceMountState represents device mount state in a global path.

pkg/volume/util/operationexecutor/operation_generator.go

@@ -778,6 +778,12 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
 			}
 		}
 
+		// record total time it takes to mount a volume. This is end to end time that includes waiting for volume to attach, node to be update
+		// plugin call to succeed
+		mountRequestTime := volumeToMount.MountRequestTime
+		totalTimeTaken := time.Since(mountRequestTime).Seconds()
+		util.RecordOperationLatencyMetric(util.GetFullQualifiedPluginNameForVolume(volumePluginName, volumeToMount.VolumeSpec), "overall_volume_mount", totalTimeTaken)
+
 		markVolMountedErr := actualStateOfWorld.MarkVolumeAsMounted(markOpts)
 		if markVolMountedErr != nil {
 			// On failure, return error. Caller will log and retry.