remove deprecated metrics of dockershim

pkg/kubelet/dockershim/libdocker/instrumented_client.go

@@ -42,9 +42,7 @@ func NewInstrumentedInterface(dockerClient Interface) Interface {
 // recordOperation records the duration of the operation.
 func recordOperation(operation string, start time.Time) {
 	metrics.DockerOperations.WithLabelValues(operation).Inc()
-	metrics.DeprecatedDockerOperations.WithLabelValues(operation).Inc()
 	metrics.DockerOperationsLatency.WithLabelValues(operation).Observe(metrics.SinceInSeconds(start))
-	metrics.DeprecatedDockerOperationsLatency.WithLabelValues(operation).Observe(metrics.SinceInMicroseconds(start))
 }
 
 // recordError records error for metric if an error occurred.
@@ -52,11 +50,9 @@ func recordError(operation string, err error) {
 	if err != nil {
 		if _, ok := err.(operationTimeout); ok {
 			metrics.DockerOperationsTimeout.WithLabelValues(operation).Inc()
-			metrics.DeprecatedDockerOperationsTimeout.WithLabelValues(operation).Inc()
 		}
 		// Docker operation timeout error is also a docker error, so we don't add else here.
 		metrics.DockerOperationsErrors.WithLabelValues(operation).Inc()
-		metrics.DeprecatedDockerOperationsErrors.WithLabelValues(operation).Inc()
 	}
 }
 

pkg/kubelet/dockershim/metrics/metrics.go

@@ -34,15 +34,6 @@ const (
 	// DockerOperationsTimeoutKey is the key for the operation timeout metrics.
 	DockerOperationsTimeoutKey = "docker_operations_timeout_total"
 
-	// DeprecatedDockerOperationsKey is the deprecated key for docker operation metrics.
-	DeprecatedDockerOperationsKey = "docker_operations"
-	// DeprecatedDockerOperationsLatencyKey is the deprecated key for the operation latency metrics.
-	DeprecatedDockerOperationsLatencyKey = "docker_operations_latency_microseconds"
-	// DeprecatedDockerOperationsErrorsKey is the deprecated key for the operation error metrics.
-	DeprecatedDockerOperationsErrorsKey = "docker_operations_errors"
-	// DeprecatedDockerOperationsTimeoutKey is the deprecated key for the operation timeout metrics.
-	DeprecatedDockerOperationsTimeoutKey = "docker_operations_timeout"
-
 	// Keep the "kubelet" subsystem for backward compatibility.
 	kubeletSubsystem = "kubelet"
 )
@@ -91,53 +82,6 @@ var (
 		},
 		[]string{"operation_type"},
 	)
-
-	// DeprecatedDockerOperationsLatency collects operation latency numbers by operation
-	// type.
-	DeprecatedDockerOperationsLatency = metrics.NewSummaryVec(
-		&metrics.SummaryOpts{
-			Subsystem:         kubeletSubsystem,
-			Name:              DeprecatedDockerOperationsLatencyKey,
-			Help:              "Latency in microseconds of Docker operations. Broken down by operation type.",
-			StabilityLevel:    metrics.ALPHA,
-			DeprecatedVersion: "1.14.0",
-		},
-		[]string{"operation_type"},
-	)
-	// DeprecatedDockerOperations collects operation counts by operation type.
-	DeprecatedDockerOperations = metrics.NewCounterVec(
-		&metrics.CounterOpts{
-			Subsystem:         kubeletSubsystem,
-			Name:              DeprecatedDockerOperationsKey,
-			Help:              "Cumulative number of Docker operations by operation type.",
-			StabilityLevel:    metrics.ALPHA,
-			DeprecatedVersion: "1.14.0",
-		},
-		[]string{"operation_type"},
-	)
-	// DeprecatedDockerOperationsErrors collects operation errors by operation
-	// type.
-	DeprecatedDockerOperationsErrors = metrics.NewCounterVec(
-		&metrics.CounterOpts{
-			Subsystem:         kubeletSubsystem,
-			Name:              DeprecatedDockerOperationsErrorsKey,
-			Help:              "Cumulative number of Docker operation errors by operation type.",
-			StabilityLevel:    metrics.ALPHA,
-			DeprecatedVersion: "1.14.0",
-		},
-		[]string{"operation_type"},
-	)
-	// DeprecatedDockerOperationsTimeout collects operation timeouts by operation type.
-	DeprecatedDockerOperationsTimeout = metrics.NewCounterVec(
-		&metrics.CounterOpts{
-			Subsystem:         kubeletSubsystem,
-			Name:              DeprecatedDockerOperationsTimeoutKey,
-			Help:              "Cumulative number of Docker operation timeout by operation type.",
-			StabilityLevel:    metrics.ALPHA,
-			DeprecatedVersion: "1.14.0",
-		},
-		[]string{"operation_type"},
-	)
 )
 
 var registerMetrics sync.Once
@@ -149,10 +93,6 @@ func Register() {
 		legacyregistry.MustRegister(DockerOperations)
 		legacyregistry.MustRegister(DockerOperationsErrors)
 		legacyregistry.MustRegister(DockerOperationsTimeout)
-		legacyregistry.MustRegister(DeprecatedDockerOperationsLatency)
-		legacyregistry.MustRegister(DeprecatedDockerOperations)
-		legacyregistry.MustRegister(DeprecatedDockerOperationsErrors)
-		legacyregistry.MustRegister(DeprecatedDockerOperationsTimeout)
 	})
 }
 

pkg/kubelet/dockershim/network/metrics/metrics.go

@@ -29,8 +29,6 @@ const (
 	NetworkPluginOperationsKey = "network_plugin_operations"
 	// NetworkPluginOperationsLatencyKey is the key for the operation latency metrics.
 	NetworkPluginOperationsLatencyKey = "network_plugin_operations_duration_seconds"
-	// DeprecatedNetworkPluginOperationsLatencyKey is the deprecated key for the operation latency metrics.
-	DeprecatedNetworkPluginOperationsLatencyKey = "network_plugin_operations_latency_microseconds"
 
 	// Keep the "kubelet" subsystem for backward compatibility.
 	kubeletSubsystem = "kubelet"
@@ -49,19 +47,6 @@ var (
 		},
 		[]string{"operation_type"},
 	)
-
-	// DeprecatedNetworkPluginOperationsLatency collects operation latency numbers by operation
-	// type.
-	DeprecatedNetworkPluginOperationsLatency = metrics.NewSummaryVec(
-		&metrics.SummaryOpts{
-			Subsystem:         kubeletSubsystem,
-			Name:              DeprecatedNetworkPluginOperationsLatencyKey,
-			Help:              "Latency in microseconds of network plugin operations. Broken down by operation type.",
-			StabilityLevel:    metrics.ALPHA,
-			DeprecatedVersion: "1.14.0",
-		},
-		[]string{"operation_type"},
-	)
 )
 
 var registerMetrics sync.Once
@@ -70,7 +55,6 @@ var registerMetrics sync.Once
 func Register() {
 	registerMetrics.Do(func() {
 		legacyregistry.MustRegister(NetworkPluginOperationsLatency)
-		legacyregistry.MustRegister(DeprecatedNetworkPluginOperationsLatency)
 	})
 }
 

pkg/kubelet/dockershim/network/plugins.go

@@ -381,7 +381,6 @@ func (pm *PluginManager) podUnlock(fullPodName string) {
 // recordOperation records operation and duration
 func recordOperation(operation string, start time.Time) {
 	metrics.NetworkPluginOperationsLatency.WithLabelValues(operation).Observe(metrics.SinceInSeconds(start))
-	metrics.DeprecatedNetworkPluginOperationsLatency.WithLabelValues(operation).Observe(metrics.SinceInMicroseconds(start))
 }
 
 func (pm *PluginManager) GetPodNetworkStatus(podNamespace, podName string, id kubecontainer.ContainerID) (*PodNetworkStatus, error) {