mirror of
https://github.com/kubenetworks/kubevpn.git
synced 2025-10-31 18:52:50 +08:00
270 lines
8.1 KiB
Go
270 lines
8.1 KiB
Go
package util
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
|
|
"github.com/distribution/reference"
|
|
"github.com/docker/cli/cli/command"
|
|
"github.com/docker/cli/cli/command/image"
|
|
"github.com/docker/cli/cli/flags"
|
|
"github.com/docker/cli/cli/streams"
|
|
"github.com/docker/cli/cli/trust"
|
|
"github.com/docker/docker/api/types"
|
|
typesimage "github.com/docker/docker/api/types/image"
|
|
registrytypes "github.com/docker/docker/api/types/registry"
|
|
"github.com/docker/docker/client"
|
|
"github.com/docker/docker/pkg/jsonmessage"
|
|
"github.com/hashicorp/go-version"
|
|
"github.com/moby/term"
|
|
"github.com/opencontainers/image-spec/specs-go/v1"
|
|
"github.com/sirupsen/logrus"
|
|
log "github.com/sirupsen/logrus"
|
|
"golang.org/x/crypto/ssh"
|
|
v12 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/kubectl/pkg/cmd/util"
|
|
client2 "sigs.k8s.io/controller-runtime/pkg/client"
|
|
)
|
|
|
|
func GetClient() (*client.Client, *command.DockerCli, error) {
|
|
cli, err := client.NewClientWithOpts(
|
|
client.FromEnv,
|
|
client.WithAPIVersionNegotiation(),
|
|
)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
var dockerCli *command.DockerCli
|
|
dockerCli, err = command.NewDockerCli(command.WithAPIClient(cli))
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
err = dockerCli.Initialize(flags.NewClientOptions())
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
return cli, dockerCli, nil
|
|
}
|
|
|
|
// TransferImage
|
|
// 1) if not special ssh config, just pull image and tag and push
|
|
// 2) if special ssh config, pull image, tag image, save image and scp image to remote, load image and push
|
|
func TransferImage(ctx context.Context, conf *SshConfig, imageSource, imageTarget string, out io.Writer) error {
|
|
client, cli, err := GetClient()
|
|
if err != nil {
|
|
log.Errorf("failed to get docker client: %v", err)
|
|
return err
|
|
}
|
|
// todo add flags? or detect k8s node runtime ?
|
|
platform := &v1.Platform{Architecture: "amd64", OS: "linux"}
|
|
err = PullImage(ctx, platform, client, cli, imageSource, out)
|
|
if err != nil {
|
|
log.Errorf("failed to pull image: %v", err)
|
|
return err
|
|
}
|
|
|
|
err = client.ImageTag(ctx, imageSource, imageTarget)
|
|
if err != nil {
|
|
log.Errorf("failed to tag image %s to %s: %v", imageSource, imageTarget, err)
|
|
return err
|
|
}
|
|
|
|
// use it if sshConfig is not empty
|
|
if conf.ConfigAlias == "" && conf.Addr == "" {
|
|
var distributionRef reference.Named
|
|
distributionRef, err = reference.ParseNormalizedNamed(imageTarget)
|
|
if err != nil {
|
|
log.Errorf("can not parse image name %s: %v", imageTarget, err)
|
|
return err
|
|
}
|
|
var imgRefAndAuth trust.ImageRefAndAuth
|
|
imgRefAndAuth, err = trust.GetImageReferencesAndAuth(ctx, image.AuthResolver(cli), distributionRef.String())
|
|
if err != nil {
|
|
log.Errorf("can not get image auth: %v", err)
|
|
return err
|
|
}
|
|
var encodedAuth string
|
|
encodedAuth, err = registrytypes.EncodeAuthConfig(*imgRefAndAuth.AuthConfig())
|
|
if err != nil {
|
|
log.Errorf("can not encode auth config to base64: %v", err)
|
|
return err
|
|
}
|
|
requestPrivilege := command.RegistryAuthenticationPrivilegedFunc(cli, imgRefAndAuth.RepoInfo().Index, "push")
|
|
var readCloser io.ReadCloser
|
|
readCloser, err = client.ImagePush(ctx, imageTarget, types.ImagePushOptions{
|
|
RegistryAuth: encodedAuth,
|
|
PrivilegeFunc: requestPrivilege,
|
|
})
|
|
if err != nil {
|
|
log.Errorf("can not push image %s, err: %v", imageTarget, err)
|
|
return err
|
|
}
|
|
defer readCloser.Close()
|
|
if out == nil {
|
|
_, out, _ = term.StdStreams()
|
|
}
|
|
outWarp := streams.NewOut(out)
|
|
err = jsonmessage.DisplayJSONMessagesToStream(readCloser, outWarp, nil)
|
|
if err != nil {
|
|
log.Errorf("can not display message, err: %v", err)
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// transfer image to remote
|
|
var sshClient *ssh.Client
|
|
sshClient, err = DialSshRemote(ctx, conf)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer sshClient.Close()
|
|
var responseReader io.ReadCloser
|
|
responseReader, err = client.ImageSave(ctx, []string{imageTarget})
|
|
if err != nil {
|
|
log.Errorf("can not save image %s: %v", imageTarget, err)
|
|
return err
|
|
}
|
|
defer responseReader.Close()
|
|
file, err := os.CreateTemp("", "*.tar")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
logrus.Infof("saving image %s to temp file %s", imageTarget, file.Name())
|
|
if _, err = io.Copy(file, responseReader); err != nil {
|
|
return err
|
|
}
|
|
if err = file.Close(); err != nil {
|
|
return err
|
|
}
|
|
defer os.Remove(file.Name())
|
|
|
|
logrus.Infof("Transferring image %s", imageTarget)
|
|
filename := filepath.Base(file.Name())
|
|
cmd := fmt.Sprintf(
|
|
"(docker load -i ~/.kubevpn/%s && docker push %s) || (nerdctl image load -i ~/.kubevpn/%s && nerdctl image push %s)",
|
|
filename, imageTarget,
|
|
filename, imageTarget,
|
|
)
|
|
stdout := log.StandardLogger().Out
|
|
err = SCPAndExec(stdout, stdout, sshClient, file.Name(), filename, []string{cmd}...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
logrus.Infof("Loaded image: %s", imageTarget)
|
|
return nil
|
|
}
|
|
|
|
// PullImage image.RunPull(ctx, c, image.PullOptions{})
|
|
func PullImage(ctx context.Context, platform *v1.Platform, cli *client.Client, dockerCli *command.DockerCli, img string, out io.Writer) error {
|
|
var readCloser io.ReadCloser
|
|
var plat string
|
|
if platform != nil && platform.Architecture != "" && platform.OS != "" {
|
|
plat = fmt.Sprintf("%s/%s", platform.OS, platform.Architecture)
|
|
}
|
|
distributionRef, err := reference.ParseNormalizedNamed(img)
|
|
if err != nil {
|
|
log.Errorf("can not parse image name %s: %v", img, err)
|
|
return err
|
|
}
|
|
var imgRefAndAuth trust.ImageRefAndAuth
|
|
imgRefAndAuth, err = trust.GetImageReferencesAndAuth(ctx, image.AuthResolver(dockerCli), distributionRef.String())
|
|
if err != nil {
|
|
log.Errorf("can not get image auth: %v", err)
|
|
return err
|
|
}
|
|
var encodedAuth string
|
|
encodedAuth, err = registrytypes.EncodeAuthConfig(*imgRefAndAuth.AuthConfig())
|
|
if err != nil {
|
|
log.Errorf("can not encode auth config to base64: %v", err)
|
|
return err
|
|
}
|
|
requestPrivilege := command.RegistryAuthenticationPrivilegedFunc(dockerCli, imgRefAndAuth.RepoInfo().Index, "pull")
|
|
readCloser, err = cli.ImagePull(ctx, img, typesimage.PullOptions{
|
|
All: false,
|
|
RegistryAuth: encodedAuth,
|
|
PrivilegeFunc: requestPrivilege,
|
|
Platform: plat,
|
|
})
|
|
if err != nil {
|
|
log.Errorf("can not pull image %s, err: %s, please make sure image is exist and can be pulled from local", img, err)
|
|
return err
|
|
}
|
|
defer readCloser.Close()
|
|
if out == nil {
|
|
_, out, _ = term.StdStreams()
|
|
}
|
|
outWarp := streams.NewOut(out)
|
|
err = jsonmessage.DisplayJSONMessagesToStream(readCloser, outWarp, nil)
|
|
if err != nil {
|
|
log.Errorf("can not display message, err: %v", err)
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// UpdateImage update to newer image
|
|
func UpdateImage(ctx context.Context, factory util.Factory, ns string, deployName string, image string) error {
|
|
clientSet, err2 := factory.KubernetesClientSet()
|
|
if err2 != nil {
|
|
return err2
|
|
}
|
|
deployment, err := clientSet.AppsV1().Deployments(ns).Get(ctx, deployName, v12.GetOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
origin := deployment.DeepCopy()
|
|
newImg, err := reference.ParseNormalizedNamed(image)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
newTag, ok := newImg.(reference.NamedTagged)
|
|
if !ok {
|
|
return nil
|
|
}
|
|
oldImg, err := reference.ParseNormalizedNamed(deployment.Spec.Template.Spec.Containers[0].Image)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var oldTag reference.NamedTagged
|
|
oldTag, ok = oldImg.(reference.NamedTagged)
|
|
if !ok {
|
|
return nil
|
|
}
|
|
if reference.Domain(newImg) != reference.Domain(oldImg) {
|
|
return nil
|
|
}
|
|
var oldVersion, newVersion *version.Version
|
|
oldVersion, err = version.NewVersion(oldTag.Tag())
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
newVersion, err = version.NewVersion(newTag.Tag())
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
if oldVersion.GreaterThanOrEqual(newVersion) {
|
|
return nil
|
|
}
|
|
|
|
log.Infof("found newer image %s, set image from %s to it...", image, deployment.Spec.Template.Spec.Containers[0].Image)
|
|
for i := range deployment.Spec.Template.Spec.Containers {
|
|
deployment.Spec.Template.Spec.Containers[i].Image = image
|
|
}
|
|
p := client2.MergeFrom(deployment)
|
|
data, err := client2.MergeFrom(origin).Data(deployment)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = clientSet.AppsV1().Deployments(ns).Patch(ctx, deployName, p.Type(), data, v12.PatchOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = RolloutStatus(ctx, factory, ns, fmt.Sprintf("deployments/%s", deployName), time.Minute*60)
|
|
return err
|
|
}
|