Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/pkg/kubelet/kuberuntime/instrumented_services.go

@@ -0,0 +1,258 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kuberuntime
+
+import (
+	"time"
+
+	internalapi "k8s.io/kubernetes/pkg/kubelet/api"
+	runtimeapi "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+	"k8s.io/kubernetes/pkg/kubelet/metrics"
+)
+
+// instrumentedRuntimeService wraps the RuntimeService and records the operations
+// and errors metrics.
+type instrumentedRuntimeService struct {
+	service internalapi.RuntimeService
+}
+
+// Creates an instrumented RuntimeInterface from an existing RuntimeService.
+func NewInstrumentedRuntimeService(service internalapi.RuntimeService) internalapi.RuntimeService {
+	return &instrumentedRuntimeService{service: service}
+}
+
+// instrumentedImageManagerService wraps the ImageManagerService and records the operations
+// and errors metrics.
+type instrumentedImageManagerService struct {
+	service internalapi.ImageManagerService
+}
+
+// Creates an instrumented ImageManagerService from an existing ImageManagerService.
+func NewInstrumentedImageManagerService(service internalapi.ImageManagerService) internalapi.ImageManagerService {
+	return &instrumentedImageManagerService{service: service}
+}
+
+// recordOperation records the duration of the operation.
+func recordOperation(operation string, start time.Time) {
+	metrics.RuntimeOperations.WithLabelValues(operation).Inc()
+	metrics.RuntimeOperationsLatency.WithLabelValues(operation).Observe(metrics.SinceInMicroseconds(start))
+}
+
+// recordError records error for metric if an error occurred.
+func recordError(operation string, err error) {
+	if err != nil {
+		metrics.RuntimeOperationsErrors.WithLabelValues(operation).Inc()
+	}
+}
+
+func (in instrumentedRuntimeService) Version(apiVersion string) (*runtimeapi.VersionResponse, error) {
+	const operation = "version"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.Version(apiVersion)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) Status() (*runtimeapi.RuntimeStatus, error) {
+	const operation = "status"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.Status()
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) CreateContainer(podSandboxID string, config *runtimeapi.ContainerConfig, sandboxConfig *runtimeapi.PodSandboxConfig) (string, error) {
+	const operation = "create_container"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.CreateContainer(podSandboxID, config, sandboxConfig)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) StartContainer(containerID string) error {
+	const operation = "start_container"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.StartContainer(containerID)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedRuntimeService) StopContainer(containerID string, timeout int64) error {
+	const operation = "stop_container"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.StopContainer(containerID, timeout)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedRuntimeService) RemoveContainer(containerID string) error {
+	const operation = "remove_container"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.RemoveContainer(containerID)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedRuntimeService) ListContainers(filter *runtimeapi.ContainerFilter) ([]*runtimeapi.Container, error) {
+	const operation = "list_containers"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.ListContainers(filter)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) ContainerStatus(containerID string) (*runtimeapi.ContainerStatus, error) {
+	const operation = "container_status"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.ContainerStatus(containerID)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) ExecSync(containerID string, cmd []string, timeout time.Duration) ([]byte, []byte, error) {
+	const operation = "exec_sync"
+	defer recordOperation(operation, time.Now())
+
+	stdout, stderr, err := in.service.ExecSync(containerID, cmd, timeout)
+	recordError(operation, err)
+	return stdout, stderr, err
+}
+
+func (in instrumentedRuntimeService) Exec(req *runtimeapi.ExecRequest) (*runtimeapi.ExecResponse, error) {
+	const operation = "exec"
+	defer recordOperation(operation, time.Now())
+
+	resp, err := in.service.Exec(req)
+	recordError(operation, err)
+	return resp, err
+}
+
+func (in instrumentedRuntimeService) Attach(req *runtimeapi.AttachRequest) (*runtimeapi.AttachResponse, error) {
+	const operation = "attach"
+	defer recordOperation(operation, time.Now())
+
+	resp, err := in.service.Attach(req)
+	recordError(operation, err)
+	return resp, err
+}
+
+func (in instrumentedRuntimeService) RunPodSandbox(config *runtimeapi.PodSandboxConfig) (string, error) {
+	const operation = "run_podsandbox"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.RunPodSandbox(config)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) StopPodSandbox(podSandboxID string) error {
+	const operation = "stop_podsandbox"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.StopPodSandbox(podSandboxID)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedRuntimeService) RemovePodSandbox(podSandboxID string) error {
+	const operation = "remove_podsandbox"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.RemovePodSandbox(podSandboxID)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedRuntimeService) PodSandboxStatus(podSandboxID string) (*runtimeapi.PodSandboxStatus, error) {
+	const operation = "podsandbox_status"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.PodSandboxStatus(podSandboxID)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) ListPodSandbox(filter *runtimeapi.PodSandboxFilter) ([]*runtimeapi.PodSandbox, error) {
+	const operation = "list_podsandbox"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.ListPodSandbox(filter)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedRuntimeService) PortForward(req *runtimeapi.PortForwardRequest) (*runtimeapi.PortForwardResponse, error) {
+	const operation = "port_forward"
+	defer recordOperation(operation, time.Now())
+
+	resp, err := in.service.PortForward(req)
+	recordError(operation, err)
+	return resp, err
+}
+
+func (in instrumentedRuntimeService) UpdateRuntimeConfig(runtimeConfig *runtimeapi.RuntimeConfig) error {
+	const operation = "update_runtime_config"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.UpdateRuntimeConfig(runtimeConfig)
+	recordError(operation, err)
+	return err
+}
+
+func (in instrumentedImageManagerService) ListImages(filter *runtimeapi.ImageFilter) ([]*runtimeapi.Image, error) {
+	const operation = "list_images"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.ListImages(filter)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedImageManagerService) ImageStatus(image *runtimeapi.ImageSpec) (*runtimeapi.Image, error) {
+	const operation = "image_status"
+	defer recordOperation(operation, time.Now())
+
+	out, err := in.service.ImageStatus(image)
+	recordError(operation, err)
+	return out, err
+}
+
+func (in instrumentedImageManagerService) PullImage(image *runtimeapi.ImageSpec, auth *runtimeapi.AuthConfig) (string, error) {
+	const operation = "pull_image"
+	defer recordOperation(operation, time.Now())
+
+	imageRef, err := in.service.PullImage(image, auth)
+	recordError(operation, err)
+	return imageRef, err
+}
+
+func (in instrumentedImageManagerService) RemoveImage(image *runtimeapi.ImageSpec) error {
+	const operation = "remove_image"
+	defer recordOperation(operation, time.Now())
+
+	err := in.service.RemoveImage(image)
+	recordError(operation, err)
+	return err
+}