mirror of https://github.com/k3s-io/k3s
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
507 lines
14 KiB
507 lines
14 KiB
/*
|
|
Copyright 2017 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 crictl
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"sort"
|
|
"strings"
|
|
|
|
"github.com/docker/go-units"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/urfave/cli"
|
|
"golang.org/x/net/context"
|
|
pb "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
|
|
)
|
|
|
|
type imageByRef []*pb.Image
|
|
|
|
func (a imageByRef) Len() int { return len(a) }
|
|
func (a imageByRef) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
|
|
func (a imageByRef) Less(i, j int) bool {
|
|
if len(a[i].RepoTags) > 0 && len(a[j].RepoTags) > 0 {
|
|
return a[i].RepoTags[0] < a[j].RepoTags[0]
|
|
}
|
|
if len(a[i].RepoDigests) > 0 && len(a[j].RepoDigests) > 0 {
|
|
return a[i].RepoDigests[0] < a[j].RepoDigests[0]
|
|
}
|
|
return a[i].Id < a[j].Id
|
|
}
|
|
|
|
var pullImageCommand = cli.Command{
|
|
Name: "pull",
|
|
Usage: "Pull an image from a registry",
|
|
SkipArgReorder: true,
|
|
UseShortOptionHandling: true,
|
|
Flags: []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "creds",
|
|
Value: "",
|
|
Usage: "Use `USERNAME[:PASSWORD]` for accessing the registry",
|
|
},
|
|
cli.StringFlag{
|
|
Name: "auth",
|
|
Value: "",
|
|
Usage: "Use `AUTH_STRING` for accessing the registry. AUTH_STRING is a base64 encoded 'USERNAME[:PASSWORD]'",
|
|
},
|
|
cli.StringFlag{
|
|
Name: "pod-config",
|
|
Value: "",
|
|
Usage: "Use `pod-config.[json|yaml]` to override the the pull context",
|
|
},
|
|
},
|
|
ArgsUsage: "NAME[:TAG|@DIGEST]",
|
|
Action: func(context *cli.Context) error {
|
|
imageName := context.Args().First()
|
|
if imageName == "" {
|
|
return cli.ShowSubcommandHelp(context)
|
|
}
|
|
|
|
if err := getImageClient(context); err != nil {
|
|
return err
|
|
}
|
|
|
|
auth, err := getAuth(context.String("creds"), context.String("auth"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var sandbox *pb.PodSandboxConfig
|
|
if context.IsSet("pod-config") {
|
|
sandbox, err = loadPodSandboxConfig(context.String("pod-config"))
|
|
if err != nil {
|
|
return fmt.Errorf("load podSandboxConfig failed: %v", err)
|
|
}
|
|
}
|
|
|
|
r, err := PullImageWithSandbox(imageClient, imageName, auth, sandbox)
|
|
if err != nil {
|
|
return fmt.Errorf("pulling image failed: %v", err)
|
|
}
|
|
fmt.Printf("Image is up to date for %s\n", r.ImageRef)
|
|
return nil
|
|
},
|
|
}
|
|
|
|
var listImageCommand = cli.Command{
|
|
Name: "images",
|
|
Usage: "List images",
|
|
ArgsUsage: "[REPOSITORY[:TAG]]",
|
|
SkipArgReorder: true,
|
|
UseShortOptionHandling: true,
|
|
Flags: []cli.Flag{
|
|
cli.BoolFlag{
|
|
Name: "verbose, v",
|
|
Usage: "Show verbose info for images",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "quiet, q",
|
|
Usage: "Only show image IDs",
|
|
},
|
|
cli.StringFlag{
|
|
Name: "output, o",
|
|
Usage: "Output format, One of: json|yaml|table",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "digests",
|
|
Usage: "Show digests",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "no-trunc",
|
|
Usage: "Show output without truncating the ID",
|
|
},
|
|
},
|
|
Action: func(context *cli.Context) error {
|
|
if err := getImageClient(context); err != nil {
|
|
return err
|
|
}
|
|
|
|
r, err := ListImages(imageClient, context.Args().First())
|
|
if err != nil {
|
|
return fmt.Errorf("listing images failed: %v", err)
|
|
}
|
|
sort.Sort(imageByRef(r.Images))
|
|
|
|
switch context.String("output") {
|
|
case "json":
|
|
return outputProtobufObjAsJSON(r)
|
|
case "yaml":
|
|
return outputProtobufObjAsYAML(r)
|
|
}
|
|
|
|
// output in table format by default.
|
|
display := newTableDisplay(20, 1, 3, ' ', 0)
|
|
verbose := context.Bool("verbose")
|
|
showDigest := context.Bool("digests")
|
|
quiet := context.Bool("quiet")
|
|
noTrunc := context.Bool("no-trunc")
|
|
if !verbose && !quiet {
|
|
if showDigest {
|
|
display.AddRow([]string{columnImage, columnTag, columnDigest, columnImageID, columnSize})
|
|
} else {
|
|
display.AddRow([]string{columnImage, columnTag, columnImageID, columnSize})
|
|
}
|
|
}
|
|
for _, image := range r.Images {
|
|
if quiet {
|
|
fmt.Printf("%s\n", image.Id)
|
|
continue
|
|
}
|
|
if !verbose {
|
|
imageName, repoDigest := normalizeRepoDigest(image.RepoDigests)
|
|
repoTagPairs := normalizeRepoTagPair(image.RepoTags, imageName)
|
|
size := units.HumanSizeWithPrecision(float64(image.GetSize_()), 3)
|
|
id := image.Id
|
|
if !noTrunc {
|
|
id = getTruncatedID(id, "sha256:")
|
|
repoDigest = getTruncatedID(repoDigest, "sha256:")
|
|
}
|
|
for _, repoTagPair := range repoTagPairs {
|
|
if showDigest {
|
|
display.AddRow([]string{repoTagPair[0], repoTagPair[1], repoDigest, id, size})
|
|
} else {
|
|
display.AddRow([]string{repoTagPair[0], repoTagPair[1], id, size})
|
|
}
|
|
}
|
|
continue
|
|
}
|
|
fmt.Printf("ID: %s\n", image.Id)
|
|
for _, tag := range image.RepoTags {
|
|
fmt.Printf("RepoTags: %s\n", tag)
|
|
}
|
|
for _, digest := range image.RepoDigests {
|
|
fmt.Printf("RepoDigests: %s\n", digest)
|
|
}
|
|
if image.Size_ != 0 {
|
|
fmt.Printf("Size: %d\n", image.Size_)
|
|
}
|
|
if image.Uid != nil {
|
|
fmt.Printf("Uid: %v\n", image.Uid)
|
|
}
|
|
if image.Username != "" {
|
|
fmt.Printf("Username: %v\n", image.Username)
|
|
}
|
|
fmt.Printf("\n")
|
|
}
|
|
display.Flush()
|
|
return nil
|
|
},
|
|
}
|
|
|
|
var imageStatusCommand = cli.Command{
|
|
Name: "inspecti",
|
|
Usage: "Return the status of one or more images",
|
|
ArgsUsage: "IMAGE-ID [IMAGE-ID...]",
|
|
SkipArgReorder: true,
|
|
UseShortOptionHandling: true,
|
|
Flags: []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "output, o",
|
|
Usage: "Output format, One of: json|yaml|table",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "quiet, q",
|
|
Usage: "Do not show verbose information",
|
|
},
|
|
},
|
|
Action: func(context *cli.Context) error {
|
|
if context.NArg() == 0 {
|
|
return cli.ShowSubcommandHelp(context)
|
|
}
|
|
if err := getImageClient(context); err != nil {
|
|
return err
|
|
}
|
|
verbose := !(context.Bool("quiet"))
|
|
output := context.String("output")
|
|
if output == "" { // default to json output
|
|
output = "json"
|
|
}
|
|
for i := 0; i < context.NArg(); i++ {
|
|
id := context.Args().Get(i)
|
|
|
|
r, err := ImageStatus(imageClient, id, verbose)
|
|
if err != nil {
|
|
return fmt.Errorf("image status for %q request failed: %v", id, err)
|
|
}
|
|
image := r.Image
|
|
if image == nil {
|
|
return fmt.Errorf("no such image %q present", id)
|
|
}
|
|
|
|
status, err := protobufObjectToJSON(r.Image)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to marshal status to json for %q: %v", id, err)
|
|
}
|
|
switch output {
|
|
case "json", "yaml":
|
|
if err := outputStatusInfo(status, r.Info, output); err != nil {
|
|
return fmt.Errorf("failed to output status for %q: %v", id, err)
|
|
}
|
|
continue
|
|
case "table": // table output is after this switch block
|
|
default:
|
|
return fmt.Errorf("output option cannot be %s", output)
|
|
}
|
|
|
|
// otherwise output in table format
|
|
fmt.Printf("ID: %s\n", image.Id)
|
|
for _, tag := range image.RepoTags {
|
|
fmt.Printf("Tag: %s\n", tag)
|
|
}
|
|
for _, digest := range image.RepoDigests {
|
|
fmt.Printf("Digest: %s\n", digest)
|
|
}
|
|
size := units.HumanSizeWithPrecision(float64(image.GetSize_()), 3)
|
|
fmt.Printf("Size: %s\n", size)
|
|
if verbose {
|
|
fmt.Printf("Info: %v\n", r.GetInfo())
|
|
}
|
|
}
|
|
|
|
return nil
|
|
},
|
|
}
|
|
|
|
var removeImageCommand = cli.Command{
|
|
Name: "rmi",
|
|
Usage: "Remove one or more images",
|
|
ArgsUsage: "IMAGE-ID [IMAGE-ID...]",
|
|
Action: func(context *cli.Context) error {
|
|
if context.NArg() == 0 {
|
|
return cli.ShowSubcommandHelp(context)
|
|
}
|
|
if err := getImageClient(context); err != nil {
|
|
return err
|
|
}
|
|
for i := 0; i < context.NArg(); i++ {
|
|
id := context.Args().Get(i)
|
|
|
|
var verbose = false
|
|
status, err := ImageStatus(imageClient, id, verbose)
|
|
if err != nil {
|
|
return fmt.Errorf("image status request for %q failed: %v", id, err)
|
|
}
|
|
if status.Image == nil {
|
|
return fmt.Errorf("no such image %s", id)
|
|
}
|
|
|
|
_, err = RemoveImage(imageClient, id)
|
|
if err != nil {
|
|
return fmt.Errorf("error of removing image %q: %v", id, err)
|
|
}
|
|
for _, repoTag := range status.Image.RepoTags {
|
|
fmt.Printf("Deleted: %s\n", repoTag)
|
|
}
|
|
}
|
|
return nil
|
|
},
|
|
}
|
|
|
|
var imageFsInfoCommand = cli.Command{
|
|
Name: "imagefsinfo",
|
|
Usage: "Return image filesystem info",
|
|
SkipArgReorder: true,
|
|
UseShortOptionHandling: true,
|
|
Flags: []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "output, o",
|
|
Usage: "Output format, One of: json|yaml|table",
|
|
},
|
|
},
|
|
Action: func(context *cli.Context) error {
|
|
if err := getImageClient(context); err != nil {
|
|
return err
|
|
}
|
|
output := context.String("output")
|
|
if output == "" { // default to json output
|
|
output = "json"
|
|
}
|
|
|
|
r, err := ImageFsInfo(imageClient)
|
|
if err != nil {
|
|
return fmt.Errorf("image filesystem info request failed: %v", err)
|
|
}
|
|
for _, info := range r.ImageFilesystems {
|
|
status, err := protobufObjectToJSON(info)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to marshal image filesystem info to json: %v", err)
|
|
}
|
|
|
|
switch output {
|
|
case "json", "yaml":
|
|
if err := outputStatusInfo(status, nil, output); err != nil {
|
|
return fmt.Errorf("failed to output image filesystem info %v", err)
|
|
}
|
|
continue
|
|
case "table": // table output is after this switch block
|
|
default:
|
|
return fmt.Errorf("output option cannot be %s", output)
|
|
}
|
|
|
|
// otherwise output in table format
|
|
fmt.Printf("TimeStamp: %d\n", info.Timestamp)
|
|
fmt.Printf("UsedBytes: %s\n", info.UsedBytes)
|
|
fmt.Printf("Mountpoint: %s\n", info.FsId.Mountpoint)
|
|
}
|
|
|
|
return nil
|
|
|
|
},
|
|
}
|
|
|
|
func parseCreds(creds string) (string, string, error) {
|
|
if creds == "" {
|
|
return "", "", errors.New("credentials can't be empty")
|
|
}
|
|
up := strings.SplitN(creds, ":", 2)
|
|
if len(up) == 1 {
|
|
return up[0], "", nil
|
|
}
|
|
if up[0] == "" {
|
|
return "", "", errors.New("username can't be empty")
|
|
}
|
|
return up[0], up[1], nil
|
|
}
|
|
|
|
func getAuth(creds string, auth string) (*pb.AuthConfig, error) {
|
|
if creds != "" && auth != "" {
|
|
return nil, errors.New("both `--creds` and `--auth` are specified")
|
|
}
|
|
if creds != "" {
|
|
username, password, err := parseCreds(creds)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &pb.AuthConfig{
|
|
Username: username,
|
|
Password: password,
|
|
}, nil
|
|
}
|
|
if auth != "" {
|
|
return &pb.AuthConfig{
|
|
Auth: auth,
|
|
}, nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
// Ideally repo tag should always be image:tag.
|
|
// The repoTags is nil when pulling image by repoDigest,Then we will show image name instead.
|
|
func normalizeRepoTagPair(repoTags []string, imageName string) (repoTagPairs [][]string) {
|
|
const none = "<none>"
|
|
if len(repoTags) == 0 {
|
|
repoTagPairs = append(repoTagPairs, []string{imageName, none})
|
|
return
|
|
}
|
|
for _, repoTag := range repoTags {
|
|
idx := strings.LastIndex(repoTag, ":")
|
|
if idx == -1 {
|
|
repoTagPairs = append(repoTagPairs, []string{"errorRepoTag", "errorRepoTag"})
|
|
continue
|
|
}
|
|
name := repoTag[:idx]
|
|
if name == none {
|
|
name = imageName
|
|
}
|
|
repoTagPairs = append(repoTagPairs, []string{name, repoTag[idx+1:]})
|
|
}
|
|
return
|
|
}
|
|
|
|
func normalizeRepoDigest(repoDigests []string) (string, string) {
|
|
if len(repoDigests) == 0 {
|
|
return "<none>", "<none>"
|
|
}
|
|
repoDigestPair := strings.Split(repoDigests[0], "@")
|
|
if len(repoDigestPair) != 2 {
|
|
return "errorName", "errorRepoDigest"
|
|
}
|
|
return repoDigestPair[0], repoDigestPair[1]
|
|
}
|
|
|
|
// PullImage sends a PullImageRequest to the server, and parses
|
|
// the returned PullImageResponse.
|
|
func PullImage(client pb.ImageServiceClient, image string, auth *pb.AuthConfig) (resp *pb.PullImageResponse, err error) {
|
|
return PullImageWithSandbox(client, image, auth, nil)
|
|
}
|
|
|
|
// PullImageWithSandbox sends a PullImageRequest to the server, and parses
|
|
// the returned PullImageResponse.
|
|
func PullImageWithSandbox(client pb.ImageServiceClient, image string, auth *pb.AuthConfig, sandbox *pb.PodSandboxConfig) (resp *pb.PullImageResponse, err error) {
|
|
request := &pb.PullImageRequest{
|
|
Image: &pb.ImageSpec{
|
|
Image: image,
|
|
},
|
|
}
|
|
if auth != nil {
|
|
request.Auth = auth
|
|
}
|
|
if sandbox != nil {
|
|
request.SandboxConfig = sandbox
|
|
}
|
|
logrus.Debugf("PullImageRequest: %v", request)
|
|
resp, err = client.PullImage(context.Background(), request)
|
|
logrus.Debugf("PullImageResponse: %v", resp)
|
|
return
|
|
}
|
|
|
|
// ListImages sends a ListImagesRequest to the server, and parses
|
|
// the returned ListImagesResponse.
|
|
func ListImages(client pb.ImageServiceClient, image string) (resp *pb.ListImagesResponse, err error) {
|
|
request := &pb.ListImagesRequest{Filter: &pb.ImageFilter{Image: &pb.ImageSpec{Image: image}}}
|
|
logrus.Debugf("ListImagesRequest: %v", request)
|
|
resp, err = client.ListImages(context.Background(), request)
|
|
logrus.Debugf("ListImagesResponse: %v", resp)
|
|
return
|
|
}
|
|
|
|
// ImageStatus sends an ImageStatusRequest to the server, and parses
|
|
// the returned ImageStatusResponse.
|
|
func ImageStatus(client pb.ImageServiceClient, image string, verbose bool) (resp *pb.ImageStatusResponse, err error) {
|
|
request := &pb.ImageStatusRequest{
|
|
Image: &pb.ImageSpec{Image: image},
|
|
Verbose: verbose,
|
|
}
|
|
logrus.Debugf("ImageStatusRequest: %v", request)
|
|
resp, err = client.ImageStatus(context.Background(), request)
|
|
logrus.Debugf("ImageStatusResponse: %v", resp)
|
|
return
|
|
}
|
|
|
|
// RemoveImage sends a RemoveImageRequest to the server, and parses
|
|
// the returned RemoveImageResponse.
|
|
func RemoveImage(client pb.ImageServiceClient, image string) (resp *pb.RemoveImageResponse, err error) {
|
|
if image == "" {
|
|
return nil, fmt.Errorf("ImageID cannot be empty")
|
|
}
|
|
request := &pb.RemoveImageRequest{Image: &pb.ImageSpec{Image: image}}
|
|
logrus.Debugf("RemoveImageRequest: %v", request)
|
|
resp, err = client.RemoveImage(context.Background(), request)
|
|
logrus.Debugf("RemoveImageResponse: %v", resp)
|
|
return
|
|
}
|
|
|
|
// ImageFsInfo sends an ImageStatusRequest to the server, and parses
|
|
// the returned ImageFsInfoResponse.
|
|
func ImageFsInfo(client pb.ImageServiceClient) (resp *pb.ImageFsInfoResponse, err error) {
|
|
request := &pb.ImageFsInfoRequest{}
|
|
logrus.Debugf("ImageFsInfoRequest: %v", request)
|
|
resp, err = client.ImageFsInfo(context.Background(), request)
|
|
logrus.Debugf("ImageFsInfoResponse: %v", resp)
|
|
return
|
|
}
|