Add kuberuntime.go

pkg/kubelet/container/kuberuntime.go

+/*
+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 container
+
+import (
+	"io"
+
+	runtimeApi "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+// RuntimeService interface defines the interfaces that should be implemented
+// by a container runtime.
+// Thread safety is required from implementations of this interface.
+type RuntimeService interface {
+	// Version returns the runtime name, runtime version and runtime API version
+	Version(apiVersion string) (*runtimeApi.VersionResponse, error)
+	// CreatePodSandbox creates a pod-level sandbox.
+	// The definition of PodSandbox is at https://github.com/kubernetes/kubernetes/pull/25899
+	CreatePodSandbox(config *runtimeApi.PodSandboxConfig) (string, error)
+	// StopPodSandbox stops the sandbox. If there are any running containers in the
+	// sandbox, they should be force terminated.
+	StopPodSandbox(podSandBoxID string) error
+	// DeletePodSandbox deletes the sandbox. If there are any running containers in the
+	// sandbox, they should be force deleted.
+	DeletePodSandbox(podSandBoxID string) error
+	// PodSandboxStatus returns the Status of the PodSandbox.
+	PodSandboxStatus(podSandBoxID string) (*runtimeApi.PodSandboxStatus, error)
+	// ListPodSandbox returns a list of SandBox.
+	ListPodSandbox(filter *runtimeApi.PodSandboxFilter) ([]*runtimeApi.PodSandbox, error)
+	// CreateContainer creates a new container in specified PodSandbox
+	CreateContainer(podSandBoxID string, config *runtimeApi.ContainerConfig, sandboxConfig *runtimeApi.PodSandboxConfig) (string, error)
+	// StartContainer starts the container.
+	StartContainer(rawContainerID string) error
+	// StopContainer stops a running container with a grace period (i.e., timeout).
+	StopContainer(rawContainerID string, timeout int64) error
+	// RemoveContainer removes the container. If the container is running, the container
+	// should be force removed.
+	RemoveContainer(rawContainerID string) error
+	// ListContainers lists all containers by filters.
+	ListContainers(filter *runtimeApi.ContainerFilter) ([]*runtimeApi.Container, error)
+	// ContainerStatus returns the container status.
+	ContainerStatus(rawContainerID string) (*runtimeApi.ContainerStatus, error)
+	// Exec execute a command in the container.
+	Exec(rawContainerID string, cmd []string, tty bool, stdin io.Reader, stdout, stderr io.WriteCloser) error
+}
+
+// ImageManagerService interface defines the interfaces that should be implemented
+// by a container image manager.
+// Thread safety is required from implementations of this interface.
+type ImageManagerService interface {
+	// ListImages lists existing images.
+	ListImages(filter *runtimeApi.ImageFilter) ([]*runtimeApi.Image, error)
+	// ImageStatus returns the status of the image.
+	ImageStatus(image *runtimeApi.ImageSpec) (*runtimeApi.Image, error)
+	// PullImage pulls a image with authentication config.
+	PullImage(image *runtimeApi.ImageSpec, auth *runtimeApi.AuthConfig) error
+	// RemoveImage removes the image.
+	RemoveImage(image *runtimeApi.ImageSpec) error
+}