mirror of https://github.com/k3s-io/k3s
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e_node
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import (
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"fmt"
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"time"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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"k8s.io/kubernetes/pkg/kubelet/dockertools"
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kubepod "k8s.io/kubernetes/pkg/kubelet/pod"
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)
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type ConformanceImage struct {
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Image kubecontainer.ImageSpec
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Runtime kubecontainer.Runtime
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}
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func NewConformanceImage(containerRuntime string, image string) (ci ConformanceImage, err error) {
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ci.Image = kubecontainer.ImageSpec{Image: image}
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if containerRuntime == "docker" {
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ci.Runtime = dockerRuntime()
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return ci, nil
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}
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return ci, fmt.Errorf("Unsupported runtime : %s.", containerRuntime)
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}
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//TODO: do not expose kubelet implementation details after we refactor the runtime API.
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func dockerRuntime() kubecontainer.Runtime {
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dockerClient := dockertools.ConnectToDockerOrDie("")
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pm := kubepod.NewBasicPodManager(nil)
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dm := dockertools.NewDockerManager(
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dockerClient,
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nil, nil, nil, pm, nil,
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"", 0, 0, "",
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nil, nil, nil, nil, nil, nil, nil,
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false, nil, true, false, false,
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)
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return dm
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}
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func (ci *ConformanceImage) Pull() error {
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err := ci.Runtime.PullImage(ci.Image, nil)
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if err != nil {
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return err
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}
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if present, err := ci.Runtime.IsImagePresent(ci.Image); err != nil {
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return err
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} else if !present {
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return fmt.Errorf("Failed to detect the pulled image :%s.", ci.Image.Image)
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}
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return nil
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}
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func (ci *ConformanceImage) List() ([]string, error) {
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if images, err := ci.Runtime.ListImages(); err != nil {
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return nil, err
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} else {
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var tags []string
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for _, image := range images {
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tags = append(tags, image.RepoTags...)
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}
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return tags, nil
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}
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}
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func (ci *ConformanceImage) Remove() error {
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ci.Runtime.GarbageCollect(kubecontainer.ContainerGCPolicy{MinAge: time.Second * 30, MaxPerPodContainer: 1, MaxContainers: 0})
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var err error
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for start := time.Now(); time.Since(start) < time.Minute*2; time.Sleep(time.Second * 30) {
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if err = ci.Runtime.RemoveImage(ci.Image); err == nil {
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break
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}
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}
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if err != nil {
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return err
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}
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if present, err := ci.Runtime.IsImagePresent(ci.Image); err != nil {
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return err
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} else if present {
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return fmt.Errorf("Failed to remove the pulled image %s.", ci.Image.Image)
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}
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return nil
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}
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