Use csi-lib-utils v0.10.0

vendor/github.com/kubernetes-csi/csi-lib-utils/metrics/metrics.go

@@ -47,6 +47,9 @@ const (
 	labelGrpcStatusCode   = "grpc_status_code"
 	unknownCSIDriverName  = "unknown-driver"
 
+	// LabelMigrated is the Label that indicate whether this is a CSI migration operation
+	LabelMigrated = "migrated"
+
 	// CSI Operation Latency with status code total - Histogram Metric
 	operationsLatencyMetricName = "operations_seconds"
 	operationsLatencyHelp       = "Container Storage Interface operation duration with gRPC error code status total"
@@ -83,6 +86,10 @@ type CSIMetricsManager interface {
 	// and then accumulates values.
 	WithLabelValues(labels map[string]string) (CSIMetricsManager, error)
 
+	// HaveAdditionalLabel can be used to check if the additional label
+	// value is defined in the metrics manager
+	HaveAdditionalLabel(name string) bool
+
 	// SetDriverName is called to update the CSI driver name. This should be done
 	// as soon as possible, otherwise metrics recorded by this manager will be
 	// recorded with an "unknown-driver" driver_name.
@@ -149,6 +156,13 @@ func WithLabels(labels map[string]string) MetricsManagerOption {
 	}
 }
 
+// WithMigration adds the migrated field to the current metrics label
+func WithMigration() MetricsManagerOption {
+	return func(cmm *csiMetricsManager) {
+		cmm.additionalLabelNames = append(cmm.additionalLabelNames, LabelMigrated)
+	}
+}
+
 // WithProcessStartTime controlls whether process_start_time_seconds is registered
 // in the registry of the metrics manager. It's enabled by default out of convenience
 // (no need to do anything special in most sidecars) but should be disabled in more
@@ -316,7 +330,7 @@ func (cmmv *csiMetricsManagerWithValues) WithLabelValues(labels map[string]strin
 	}
 	// Now add all new values.
 	for name, value := range labels {
-		if !extended.haveAdditionalLabel(name) {
+		if !extended.HaveAdditionalLabel(name) {
 			return nil, fmt.Errorf("label %q was not defined via WithLabelNames", name)
 		}
 		if v, ok := extended.additionalValues[name]; ok {
@@ -327,7 +341,7 @@ func (cmmv *csiMetricsManagerWithValues) WithLabelValues(labels map[string]strin
 	return extended, nil
 }
 
-func (cmm *csiMetricsManager) haveAdditionalLabel(name string) bool {
+func (cmm *csiMetricsManager) HaveAdditionalLabel(name string) bool {
 	for _, n := range cmm.additionalLabelNames {
 		if n == name {
 			return true