2502 lines
66 KiB
Go
2502 lines
66 KiB
Go
package client
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import (
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"bufio"
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"bytes"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"syscall"
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"text/tabwriter"
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"text/template"
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"time"
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"github.com/docker/docker/api"
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"github.com/docker/docker/archive"
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"github.com/docker/docker/dockerversion"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/nat"
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"github.com/docker/docker/opts"
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"github.com/docker/docker/pkg/log"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/parsers"
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"github.com/docker/docker/pkg/parsers/filters"
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"github.com/docker/docker/pkg/signal"
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"github.com/docker/docker/pkg/term"
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"github.com/docker/docker/pkg/timeutils"
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"github.com/docker/docker/pkg/units"
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"github.com/docker/docker/registry"
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"github.com/docker/docker/runconfig"
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"github.com/docker/docker/utils"
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)
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const (
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tarHeaderSize = 512
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)
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func (cli *DockerCli) CmdHelp(args ...string) error {
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if len(args) > 1 {
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method, exists := cli.getMethod(args[:2]...)
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if exists {
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method("--help")
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return nil
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}
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}
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if len(args) > 0 {
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method, exists := cli.getMethod(args[0])
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if !exists {
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fmt.Fprintf(cli.err, "Error: Command not found: %s\n", args[0])
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} else {
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method("--help")
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return nil
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}
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}
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flag.Usage()
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return nil
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}
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func (cli *DockerCli) CmdBuild(args ...string) error {
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cmd := cli.Subcmd("build", "PATH | URL | -", "Build a new image from the source code at PATH")
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tag := cmd.String([]string{"t", "-tag"}, "", "Repository name (and optionally a tag) to be applied to the resulting image in case of success")
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suppressOutput := cmd.Bool([]string{"q", "-quiet"}, false, "Suppress the verbose output generated by the containers")
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noCache := cmd.Bool([]string{"#no-cache", "-no-cache"}, false, "Do not use cache when building the image")
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rm := cmd.Bool([]string{"#rm", "-rm"}, true, "Remove intermediate containers after a successful build")
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forceRm := cmd.Bool([]string{"-force-rm"}, false, "Always remove intermediate containers, even after unsuccessful builds")
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if err := cmd.Parse(args); err != nil {
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return nil
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}
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if cmd.NArg() != 1 {
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cmd.Usage()
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return nil
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}
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var (
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context archive.Archive
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isRemote bool
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err error
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)
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_, err = exec.LookPath("git")
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hasGit := err == nil
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if cmd.Arg(0) == "-" {
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// As a special case, 'docker build -' will build from either an empty context with the
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// contents of stdin as a Dockerfile, or a tar-ed context from stdin.
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buf := bufio.NewReader(cli.in)
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magic, err := buf.Peek(tarHeaderSize)
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if err != nil && err != io.EOF {
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return fmt.Errorf("failed to peek context header from STDIN: %v", err)
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}
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if !archive.IsArchive(magic) {
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dockerfile, err := ioutil.ReadAll(buf)
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if err != nil {
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return fmt.Errorf("failed to read Dockerfile from STDIN: %v", err)
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}
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context, err = archive.Generate("Dockerfile", string(dockerfile))
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} else {
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context = ioutil.NopCloser(buf)
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}
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} else if utils.IsURL(cmd.Arg(0)) && (!utils.IsGIT(cmd.Arg(0)) || !hasGit) {
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isRemote = true
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} else {
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root := cmd.Arg(0)
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if utils.IsGIT(root) {
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remoteURL := cmd.Arg(0)
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if !strings.HasPrefix(remoteURL, "git://") && !strings.HasPrefix(remoteURL, "git@") && !utils.IsURL(remoteURL) {
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remoteURL = "https://" + remoteURL
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}
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root, err = ioutil.TempDir("", "docker-build-git")
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if err != nil {
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return err
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}
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defer os.RemoveAll(root)
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if output, err := exec.Command("git", "clone", "--recursive", remoteURL, root).CombinedOutput(); err != nil {
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return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
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}
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}
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if _, err := os.Stat(root); err != nil {
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return err
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}
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filename := path.Join(root, "Dockerfile")
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if _, err = os.Stat(filename); os.IsNotExist(err) {
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return fmt.Errorf("no Dockerfile found in %s", cmd.Arg(0))
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}
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var excludes []string
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ignore, err := ioutil.ReadFile(path.Join(root, ".dockerignore"))
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if err != nil && !os.IsNotExist(err) {
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return fmt.Errorf("Error reading .dockerignore: '%s'", err)
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}
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for _, pattern := range strings.Split(string(ignore), "\n") {
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ok, err := filepath.Match(pattern, "Dockerfile")
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if err != nil {
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return fmt.Errorf("Bad .dockerignore pattern: '%s', error: %s", pattern, err)
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}
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if ok {
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return fmt.Errorf("Dockerfile was excluded by .dockerignore pattern '%s'", pattern)
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}
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excludes = append(excludes, pattern)
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}
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if err = utils.ValidateContextDirectory(root, excludes); err != nil {
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return fmt.Errorf("Error checking context is accessible: '%s'. Please check permissions and try again.", err)
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}
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options := &archive.TarOptions{
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Compression: archive.Uncompressed,
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Excludes: excludes,
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}
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context, err = archive.TarWithOptions(root, options)
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if err != nil {
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return err
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}
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}
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var body io.Reader
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// Setup an upload progress bar
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// FIXME: ProgressReader shouldn't be this annoying to use
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if context != nil {
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sf := utils.NewStreamFormatter(false)
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body = utils.ProgressReader(context, 0, cli.err, sf, true, "", "Sending build context to Docker daemon")
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}
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// Send the build context
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v := &url.Values{}
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//Check if the given image name can be resolved
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if *tag != "" {
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repository, _ := parsers.ParseRepositoryTag(*tag)
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if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
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return err
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}
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}
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v.Set("t", *tag)
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if *suppressOutput {
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v.Set("q", "1")
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}
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if isRemote {
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v.Set("remote", cmd.Arg(0))
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}
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if *noCache {
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v.Set("nocache", "1")
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}
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if *rm {
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v.Set("rm", "1")
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} else {
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v.Set("rm", "0")
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}
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if *forceRm {
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v.Set("forcerm", "1")
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}
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cli.LoadConfigFile()
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headers := http.Header(make(map[string][]string))
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buf, err := json.Marshal(cli.configFile)
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if err != nil {
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return err
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}
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headers.Add("X-Registry-Config", base64.URLEncoding.EncodeToString(buf))
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if context != nil {
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headers.Set("Content-Type", "application/tar")
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}
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err = cli.stream("POST", fmt.Sprintf("/build?%s", v.Encode()), body, cli.out, headers)
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if jerr, ok := err.(*utils.JSONError); ok {
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// If no error code is set, default to 1
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if jerr.Code == 0 {
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jerr.Code = 1
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}
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return &utils.StatusError{Status: jerr.Message, StatusCode: jerr.Code}
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}
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return err
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}
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// 'docker login': login / register a user to registry service.
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func (cli *DockerCli) CmdLogin(args ...string) error {
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cmd := cli.Subcmd("login", "[SERVER]", "Register or log in to a Docker registry server, if no server is specified \""+registry.IndexServerAddress()+"\" is the default.")
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var username, password, email string
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cmd.StringVar(&username, []string{"u", "-username"}, "", "Username")
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cmd.StringVar(&password, []string{"p", "-password"}, "", "Password")
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cmd.StringVar(&email, []string{"e", "-email"}, "", "Email")
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err := cmd.Parse(args)
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if err != nil {
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return nil
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}
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serverAddress := registry.IndexServerAddress()
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if len(cmd.Args()) > 0 {
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serverAddress = cmd.Arg(0)
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}
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promptDefault := func(prompt string, configDefault string) {
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if configDefault == "" {
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fmt.Fprintf(cli.out, "%s: ", prompt)
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} else {
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fmt.Fprintf(cli.out, "%s (%s): ", prompt, configDefault)
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}
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}
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readInput := func(in io.Reader, out io.Writer) string {
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reader := bufio.NewReader(in)
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line, _, err := reader.ReadLine()
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if err != nil {
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fmt.Fprintln(out, err.Error())
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os.Exit(1)
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}
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return string(line)
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}
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cli.LoadConfigFile()
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authconfig, ok := cli.configFile.Configs[serverAddress]
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if !ok {
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authconfig = registry.AuthConfig{}
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}
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if username == "" {
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promptDefault("Username", authconfig.Username)
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username = readInput(cli.in, cli.out)
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if username == "" {
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username = authconfig.Username
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}
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}
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if username != authconfig.Username {
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if password == "" {
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oldState, _ := term.SaveState(cli.terminalFd)
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fmt.Fprintf(cli.out, "Password: ")
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term.DisableEcho(cli.terminalFd, oldState)
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password = readInput(cli.in, cli.out)
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fmt.Fprint(cli.out, "\n")
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term.RestoreTerminal(cli.terminalFd, oldState)
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if password == "" {
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return fmt.Errorf("Error : Password Required")
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}
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}
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if email == "" {
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promptDefault("Email", authconfig.Email)
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email = readInput(cli.in, cli.out)
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if email == "" {
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email = authconfig.Email
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}
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}
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} else {
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password = authconfig.Password
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email = authconfig.Email
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}
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authconfig.Username = username
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authconfig.Password = password
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authconfig.Email = email
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authconfig.ServerAddress = serverAddress
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cli.configFile.Configs[serverAddress] = authconfig
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stream, statusCode, err := cli.call("POST", "/auth", cli.configFile.Configs[serverAddress], false)
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if statusCode == 401 {
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delete(cli.configFile.Configs, serverAddress)
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registry.SaveConfig(cli.configFile)
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return err
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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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var out2 engine.Env
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err = out2.Decode(stream)
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if err != nil {
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cli.configFile, _ = registry.LoadConfig(os.Getenv("HOME"))
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return err
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}
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registry.SaveConfig(cli.configFile)
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if out2.Get("Status") != "" {
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fmt.Fprintf(cli.out, "%s\n", out2.Get("Status"))
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}
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return nil
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}
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// log out from a Docker registry
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func (cli *DockerCli) CmdLogout(args ...string) error {
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cmd := cli.Subcmd("logout", "[SERVER]", "Log out from a Docker registry, if no server is specified \""+registry.IndexServerAddress()+"\" is the default.")
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if err := cmd.Parse(args); err != nil {
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return nil
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}
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serverAddress := registry.IndexServerAddress()
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if len(cmd.Args()) > 0 {
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serverAddress = cmd.Arg(0)
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}
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cli.LoadConfigFile()
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if _, ok := cli.configFile.Configs[serverAddress]; !ok {
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fmt.Fprintf(cli.out, "Not logged in to %s\n", serverAddress)
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} else {
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fmt.Fprintf(cli.out, "Remove login credentials for %s\n", serverAddress)
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delete(cli.configFile.Configs, serverAddress)
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if err := registry.SaveConfig(cli.configFile); err != nil {
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return fmt.Errorf("Failed to save docker config: %v", err)
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}
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}
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return nil
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}
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|
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// 'docker wait': block until a container stops
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func (cli *DockerCli) CmdWait(args ...string) error {
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cmd := cli.Subcmd("wait", "CONTAINER [CONTAINER...]", "Block until a container stops, then print its exit code.")
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if err := cmd.Parse(args); err != nil {
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return nil
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}
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if cmd.NArg() < 1 {
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cmd.Usage()
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return nil
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}
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var encounteredError error
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for _, name := range cmd.Args() {
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status, err := waitForExit(cli, name)
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if err != nil {
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fmt.Fprintf(cli.err, "%s\n", err)
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encounteredError = fmt.Errorf("Error: failed to wait one or more containers")
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} else {
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fmt.Fprintf(cli.out, "%d\n", status)
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}
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}
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return encounteredError
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}
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|
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// 'docker version': show version information
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func (cli *DockerCli) CmdVersion(args ...string) error {
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cmd := cli.Subcmd("version", "", "Show the Docker version information.")
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if err := cmd.Parse(args); err != nil {
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return nil
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}
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|
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if cmd.NArg() > 0 {
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cmd.Usage()
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return nil
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}
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if dockerversion.VERSION != "" {
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fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION)
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}
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fmt.Fprintf(cli.out, "Client API version: %s\n", api.APIVERSION)
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fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version())
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if dockerversion.GITCOMMIT != "" {
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fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT)
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}
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fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH)
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|
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body, _, err := readBody(cli.call("GET", "/version", nil, false))
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if err != nil {
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return err
|
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}
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|
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out := engine.NewOutput()
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remoteVersion, err := out.AddEnv()
|
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if err != nil {
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log.Errorf("Error reading remote version: %s", err)
|
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return err
|
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}
|
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if _, err := out.Write(body); err != nil {
|
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log.Errorf("Error reading remote version: %s", err)
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return err
|
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}
|
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out.Close()
|
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fmt.Fprintf(cli.out, "Server version: %s\n", remoteVersion.Get("Version"))
|
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if apiVersion := remoteVersion.Get("ApiVersion"); apiVersion != "" {
|
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fmt.Fprintf(cli.out, "Server API version: %s\n", apiVersion)
|
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}
|
|
fmt.Fprintf(cli.out, "Go version (server): %s\n", remoteVersion.Get("GoVersion"))
|
|
fmt.Fprintf(cli.out, "Git commit (server): %s\n", remoteVersion.Get("GitCommit"))
|
|
return nil
|
|
}
|
|
|
|
// 'docker info': display system-wide information.
|
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func (cli *DockerCli) CmdInfo(args ...string) error {
|
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cmd := cli.Subcmd("info", "", "Display system-wide information")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() > 0 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/info", nil, false))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
out := engine.NewOutput()
|
|
remoteInfo, err := out.AddEnv()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := out.Write(body); err != nil {
|
|
log.Errorf("Error reading remote info: %s", err)
|
|
return err
|
|
}
|
|
out.Close()
|
|
|
|
fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers"))
|
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fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images"))
|
|
fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver"))
|
|
var driverStatus [][2]string
|
|
if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil {
|
|
return err
|
|
}
|
|
for _, pair := range driverStatus {
|
|
fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
|
|
}
|
|
fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver"))
|
|
fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion"))
|
|
fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem"))
|
|
|
|
if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" {
|
|
fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug"))
|
|
fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
|
|
fmt.Fprintf(cli.out, "Fds: %d\n", remoteInfo.GetInt("NFd"))
|
|
fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines"))
|
|
fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener"))
|
|
|
|
if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" {
|
|
fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1)
|
|
}
|
|
if initPath := remoteInfo.Get("InitPath"); initPath != "" {
|
|
fmt.Fprintf(cli.out, "Init Path: %s\n", initPath)
|
|
}
|
|
}
|
|
|
|
if len(remoteInfo.GetList("IndexServerAddress")) != 0 {
|
|
cli.LoadConfigFile()
|
|
u := cli.configFile.Configs[remoteInfo.Get("IndexServerAddress")].Username
|
|
if len(u) > 0 {
|
|
fmt.Fprintf(cli.out, "Username: %v\n", u)
|
|
fmt.Fprintf(cli.out, "Registry: %v\n", remoteInfo.GetList("IndexServerAddress"))
|
|
}
|
|
}
|
|
if !remoteInfo.GetBool("MemoryLimit") {
|
|
fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
|
|
}
|
|
if !remoteInfo.GetBool("SwapLimit") {
|
|
fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
|
|
}
|
|
if !remoteInfo.GetBool("IPv4Forwarding") {
|
|
fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdStop(args ...string) error {
|
|
cmd := cli.Subcmd("stop", "CONTAINER [CONTAINER...]", "Stop a running container by sending SIGTERM and then SIGKILL after a grace period")
|
|
nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to wait for the container to stop before killing it. Default is 10 seconds.")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("t", strconv.Itoa(*nSeconds))
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
_, _, err := readBody(cli.call("POST", "/containers/"+name+"/stop?"+v.Encode(), nil, false))
|
|
if err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to stop one or more containers")
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) CmdRestart(args ...string) error {
|
|
cmd := cli.Subcmd("restart", "CONTAINER [CONTAINER...]", "Restart a running container")
|
|
nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to try to stop for before killing the container. Once killed it will then be restarted. Default is 10 seconds.")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("t", strconv.Itoa(*nSeconds))
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
_, _, err := readBody(cli.call("POST", "/containers/"+name+"/restart?"+v.Encode(), nil, false))
|
|
if err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to restart one or more containers")
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) forwardAllSignals(cid string) chan os.Signal {
|
|
sigc := make(chan os.Signal, 128)
|
|
signal.CatchAll(sigc)
|
|
go func() {
|
|
for s := range sigc {
|
|
if s == syscall.SIGCHLD {
|
|
continue
|
|
}
|
|
var sig string
|
|
for sigStr, sigN := range signal.SignalMap {
|
|
if sigN == s {
|
|
sig = sigStr
|
|
break
|
|
}
|
|
}
|
|
if sig == "" {
|
|
log.Errorf("Unsupported signal: %d. Discarding.", s)
|
|
}
|
|
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", cid, sig), nil, false)); err != nil {
|
|
log.Debugf("Error sending signal: %s", err)
|
|
}
|
|
}
|
|
}()
|
|
return sigc
|
|
}
|
|
|
|
func (cli *DockerCli) CmdStart(args ...string) error {
|
|
var (
|
|
cErr chan error
|
|
tty bool
|
|
|
|
cmd = cli.Subcmd("start", "CONTAINER [CONTAINER...]", "Restart a stopped container")
|
|
attach = cmd.Bool([]string{"a", "-attach"}, false, "Attach container's STDOUT and STDERR and forward all signals to the process")
|
|
openStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Attach container's STDIN")
|
|
)
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
if *attach || *openStdin {
|
|
if cmd.NArg() > 1 {
|
|
return fmt.Errorf("You cannot start and attach multiple containers at once.")
|
|
}
|
|
|
|
steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
env := engine.Env{}
|
|
if err := env.Decode(steam); err != nil {
|
|
return err
|
|
}
|
|
config := env.GetSubEnv("Config")
|
|
tty = config.GetBool("Tty")
|
|
|
|
if !tty {
|
|
sigc := cli.forwardAllSignals(cmd.Arg(0))
|
|
defer signal.StopCatch(sigc)
|
|
}
|
|
|
|
var in io.ReadCloser
|
|
|
|
v := url.Values{}
|
|
v.Set("stream", "1")
|
|
|
|
if *openStdin && config.GetBool("OpenStdin") {
|
|
v.Set("stdin", "1")
|
|
in = cli.in
|
|
}
|
|
|
|
v.Set("stdout", "1")
|
|
v.Set("stderr", "1")
|
|
|
|
cErr = utils.Go(func() error {
|
|
return cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil, nil)
|
|
})
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
_, _, err := readBody(cli.call("POST", "/containers/"+name+"/start", nil, false))
|
|
if err != nil {
|
|
if !*attach || !*openStdin {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
}
|
|
encounteredError = fmt.Errorf("Error: failed to start one or more containers")
|
|
} else {
|
|
if !*attach || !*openStdin {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
}
|
|
if encounteredError != nil {
|
|
if *openStdin || *attach {
|
|
cli.in.Close()
|
|
<-cErr
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
if *openStdin || *attach {
|
|
if tty && cli.isTerminal {
|
|
if err := cli.monitorTtySize(cmd.Arg(0), false); err != nil {
|
|
log.Errorf("Error monitoring TTY size: %s", err)
|
|
}
|
|
}
|
|
return <-cErr
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdUnpause(args ...string) error {
|
|
cmd := cli.Subcmd("unpause", "CONTAINER", "Unpause all processes within a container")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/unpause", name), nil, false)); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to unpause container named %s", name)
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) CmdPause(args ...string) error {
|
|
cmd := cli.Subcmd("pause", "CONTAINER", "Pause all processes within a container")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/pause", name), nil, false)); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to pause container named %s", name)
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) CmdInspect(args ...string) error {
|
|
cmd := cli.Subcmd("inspect", "CONTAINER|IMAGE [CONTAINER|IMAGE...]", "Return low-level information on a container or image")
|
|
tmplStr := cmd.String([]string{"f", "#format", "-format"}, "", "Format the output using the given go template.")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var tmpl *template.Template
|
|
if *tmplStr != "" {
|
|
var err error
|
|
if tmpl, err = template.New("").Funcs(funcMap).Parse(*tmplStr); err != nil {
|
|
fmt.Fprintf(cli.err, "Template parsing error: %v\n", err)
|
|
return &utils.StatusError{StatusCode: 64,
|
|
Status: "Template parsing error: " + err.Error()}
|
|
}
|
|
}
|
|
|
|
indented := new(bytes.Buffer)
|
|
indented.WriteByte('[')
|
|
status := 0
|
|
|
|
for _, name := range cmd.Args() {
|
|
obj, _, err := readBody(cli.call("GET", "/containers/"+name+"/json", nil, false))
|
|
if err != nil {
|
|
obj, _, err = readBody(cli.call("GET", "/images/"+name+"/json", nil, false))
|
|
if err != nil {
|
|
if strings.Contains(err.Error(), "No such") {
|
|
fmt.Fprintf(cli.err, "Error: No such image or container: %s\n", name)
|
|
} else {
|
|
fmt.Fprintf(cli.err, "%s", err)
|
|
}
|
|
status = 1
|
|
continue
|
|
}
|
|
}
|
|
|
|
if tmpl == nil {
|
|
if err = json.Indent(indented, obj, "", " "); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
status = 1
|
|
continue
|
|
}
|
|
} else {
|
|
// Has template, will render
|
|
var value interface{}
|
|
if err := json.Unmarshal(obj, &value); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
status = 1
|
|
continue
|
|
}
|
|
if err := tmpl.Execute(cli.out, value); err != nil {
|
|
return err
|
|
}
|
|
cli.out.Write([]byte{'\n'})
|
|
}
|
|
indented.WriteString(",")
|
|
}
|
|
|
|
if indented.Len() > 1 {
|
|
// Remove trailing ','
|
|
indented.Truncate(indented.Len() - 1)
|
|
}
|
|
indented.WriteByte(']')
|
|
|
|
if tmpl == nil {
|
|
if _, err := io.Copy(cli.out, indented); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if status != 0 {
|
|
return &utils.StatusError{StatusCode: status}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdTop(args ...string) error {
|
|
cmd := cli.Subcmd("top", "CONTAINER [ps OPTIONS]", "Display the running processes of a container")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() == 0 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
val := url.Values{}
|
|
if cmd.NArg() > 1 {
|
|
val.Set("ps_args", strings.Join(cmd.Args()[1:], " "))
|
|
}
|
|
|
|
stream, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/top?"+val.Encode(), nil, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var procs engine.Env
|
|
if err := procs.Decode(stream); err != nil {
|
|
return err
|
|
}
|
|
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
|
|
fmt.Fprintln(w, strings.Join(procs.GetList("Titles"), "\t"))
|
|
processes := [][]string{}
|
|
if err := procs.GetJson("Processes", &processes); err != nil {
|
|
return err
|
|
}
|
|
for _, proc := range processes {
|
|
fmt.Fprintln(w, strings.Join(proc, "\t"))
|
|
}
|
|
w.Flush()
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdPort(args ...string) error {
|
|
cmd := cli.Subcmd("port", "CONTAINER [PRIVATE_PORT[/PROTO]]", "List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
env := engine.Env{}
|
|
if err := env.Decode(steam); err != nil {
|
|
return err
|
|
}
|
|
ports := nat.PortMap{}
|
|
if err := env.GetSubEnv("NetworkSettings").GetJson("Ports", &ports); err != nil {
|
|
return err
|
|
}
|
|
|
|
if cmd.NArg() == 2 {
|
|
var (
|
|
port = cmd.Arg(1)
|
|
proto = "tcp"
|
|
parts = strings.SplitN(port, "/", 2)
|
|
)
|
|
|
|
if len(parts) == 2 && len(parts[1]) != 0 {
|
|
port = parts[0]
|
|
proto = parts[1]
|
|
}
|
|
natPort := port + "/" + proto
|
|
if frontends, exists := ports[nat.Port(port+"/"+proto)]; exists && frontends != nil {
|
|
for _, frontend := range frontends {
|
|
fmt.Fprintf(cli.out, "%s:%s\n", frontend.HostIp, frontend.HostPort)
|
|
}
|
|
return nil
|
|
}
|
|
return fmt.Errorf("Error: No public port '%s' published for %s", natPort, cmd.Arg(0))
|
|
}
|
|
|
|
for from, frontends := range ports {
|
|
for _, frontend := range frontends {
|
|
fmt.Fprintf(cli.out, "%s -> %s:%s\n", from, frontend.HostIp, frontend.HostPort)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// 'docker rmi IMAGE' removes all images with the name IMAGE
|
|
func (cli *DockerCli) CmdRmi(args ...string) error {
|
|
var (
|
|
cmd = cli.Subcmd("rmi", "IMAGE [IMAGE...]", "Remove one or more images")
|
|
force = cmd.Bool([]string{"f", "-force"}, false, "Force removal of the image")
|
|
noprune = cmd.Bool([]string{"-no-prune"}, false, "Do not delete untagged parents")
|
|
)
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
v := url.Values{}
|
|
if *force {
|
|
v.Set("force", "1")
|
|
}
|
|
if *noprune {
|
|
v.Set("noprune", "1")
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
body, _, err := readBody(cli.call("DELETE", "/images/"+name+"?"+v.Encode(), nil, false))
|
|
if err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to remove one or more images")
|
|
} else {
|
|
outs := engine.NewTable("Created", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to remove one or more images")
|
|
continue
|
|
}
|
|
for _, out := range outs.Data {
|
|
if out.Get("Deleted") != "" {
|
|
fmt.Fprintf(cli.out, "Deleted: %s\n", out.Get("Deleted"))
|
|
} else {
|
|
fmt.Fprintf(cli.out, "Untagged: %s\n", out.Get("Untagged"))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) CmdHistory(args ...string) error {
|
|
cmd := cli.Subcmd("history", "IMAGE", "Show the history of an image")
|
|
quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
|
|
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, false))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
outs := engine.NewTable("Created", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
|
|
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
|
|
if !*quiet {
|
|
fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE")
|
|
}
|
|
|
|
for _, out := range outs.Data {
|
|
outID := out.Get("Id")
|
|
if !*quiet {
|
|
if *noTrunc {
|
|
fmt.Fprintf(w, "%s\t", outID)
|
|
} else {
|
|
fmt.Fprintf(w, "%s\t", utils.TruncateID(outID))
|
|
}
|
|
|
|
fmt.Fprintf(w, "%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))))
|
|
|
|
if *noTrunc {
|
|
fmt.Fprintf(w, "%s\t", out.Get("CreatedBy"))
|
|
} else {
|
|
fmt.Fprintf(w, "%s\t", utils.Trunc(out.Get("CreatedBy"), 45))
|
|
}
|
|
fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("Size")))
|
|
} else {
|
|
if *noTrunc {
|
|
fmt.Fprintln(w, outID)
|
|
} else {
|
|
fmt.Fprintln(w, utils.TruncateID(outID))
|
|
}
|
|
}
|
|
}
|
|
w.Flush()
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdRm(args ...string) error {
|
|
cmd := cli.Subcmd("rm", "CONTAINER [CONTAINER...]", "Remove one or more containers")
|
|
v := cmd.Bool([]string{"v", "-volumes"}, false, "Remove the volumes associated with the container")
|
|
link := cmd.Bool([]string{"l", "#link", "-link"}, false, "Remove the specified link and not the underlying container")
|
|
force := cmd.Bool([]string{"f", "-force"}, false, "Force the removal of a running container (uses SIGKILL)")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
val := url.Values{}
|
|
if *v {
|
|
val.Set("v", "1")
|
|
}
|
|
if *link {
|
|
val.Set("link", "1")
|
|
}
|
|
|
|
if *force {
|
|
val.Set("force", "1")
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
_, _, err := readBody(cli.call("DELETE", "/containers/"+name+"?"+val.Encode(), nil, false))
|
|
if err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to remove one or more containers")
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
// 'docker kill NAME' kills a running container
|
|
func (cli *DockerCli) CmdKill(args ...string) error {
|
|
cmd := cli.Subcmd("kill", "CONTAINER [CONTAINER...]", "Kill a running container using SIGKILL or a specified signal")
|
|
signal := cmd.String([]string{"s", "-signal"}, "KILL", "Signal to send to the container")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var encounteredError error
|
|
for _, name := range cmd.Args() {
|
|
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", name, *signal), nil, false)); err != nil {
|
|
fmt.Fprintf(cli.err, "%s\n", err)
|
|
encounteredError = fmt.Errorf("Error: failed to kill one or more containers")
|
|
} else {
|
|
fmt.Fprintf(cli.out, "%s\n", name)
|
|
}
|
|
}
|
|
return encounteredError
|
|
}
|
|
|
|
func (cli *DockerCli) CmdImport(args ...string) error {
|
|
cmd := cli.Subcmd("import", "URL|- [REPOSITORY[:TAG]]", "Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var (
|
|
v = url.Values{}
|
|
src = cmd.Arg(0)
|
|
repository = cmd.Arg(1)
|
|
)
|
|
|
|
v.Set("fromSrc", src)
|
|
v.Set("repo", repository)
|
|
|
|
if cmd.NArg() == 3 {
|
|
fmt.Fprintf(cli.err, "[DEPRECATED] The format 'URL|- [REPOSITORY [TAG]]' as been deprecated. Please use URL|- [REPOSITORY[:TAG]]\n")
|
|
v.Set("tag", cmd.Arg(2))
|
|
}
|
|
|
|
if repository != "" {
|
|
//Check if the given image name can be resolved
|
|
repo, _ := parsers.ParseRepositoryTag(repository)
|
|
if _, _, err := registry.ResolveRepositoryName(repo); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
var in io.Reader
|
|
|
|
if src == "-" {
|
|
in = cli.in
|
|
}
|
|
|
|
return cli.stream("POST", "/images/create?"+v.Encode(), in, cli.out, nil)
|
|
}
|
|
|
|
func (cli *DockerCli) CmdPush(args ...string) error {
|
|
cmd := cli.Subcmd("push", "NAME[:TAG]", "Push an image or a repository to the registry")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
name := cmd.Arg(0)
|
|
|
|
if name == "" {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
cli.LoadConfigFile()
|
|
|
|
remote, tag := parsers.ParseRepositoryTag(name)
|
|
|
|
// Resolve the Repository name from fqn to hostname + name
|
|
hostname, _, err := registry.ResolveRepositoryName(remote)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Resolve the Auth config relevant for this server
|
|
authConfig := cli.configFile.ResolveAuthConfig(hostname)
|
|
// If we're not using a custom registry, we know the restrictions
|
|
// applied to repository names and can warn the user in advance.
|
|
// Custom repositories can have different rules, and we must also
|
|
// allow pushing by image ID.
|
|
if len(strings.SplitN(name, "/", 2)) == 1 {
|
|
username := cli.configFile.Configs[registry.IndexServerAddress()].Username
|
|
if username == "" {
|
|
username = "<user>"
|
|
}
|
|
return fmt.Errorf("You cannot push a \"root\" repository. Please rename your repository in <user>/<repo> (ex: %s/%s)", username, name)
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("tag", tag)
|
|
push := func(authConfig registry.AuthConfig) error {
|
|
buf, err := json.Marshal(authConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
registryAuthHeader := []string{
|
|
base64.URLEncoding.EncodeToString(buf),
|
|
}
|
|
|
|
return cli.stream("POST", "/images/"+remote+"/push?"+v.Encode(), nil, cli.out, map[string][]string{
|
|
"X-Registry-Auth": registryAuthHeader,
|
|
})
|
|
}
|
|
|
|
if err := push(authConfig); err != nil {
|
|
if strings.Contains(err.Error(), "Status 401") {
|
|
fmt.Fprintln(cli.out, "\nPlease login prior to push:")
|
|
if err := cli.CmdLogin(hostname); err != nil {
|
|
return err
|
|
}
|
|
authConfig := cli.configFile.ResolveAuthConfig(hostname)
|
|
return push(authConfig)
|
|
}
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdPull(args ...string) error {
|
|
cmd := cli.Subcmd("pull", "NAME[:TAG]", "Pull an image or a repository from the registry")
|
|
allTags := cmd.Bool([]string{"a", "-all-tags"}, false, "Download all tagged images in the repository")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
var (
|
|
v = url.Values{}
|
|
remote = cmd.Arg(0)
|
|
newRemote = remote
|
|
)
|
|
taglessRemote, tag := parsers.ParseRepositoryTag(remote)
|
|
if tag == "" && !*allTags {
|
|
newRemote = taglessRemote + ":latest"
|
|
}
|
|
if tag != "" && *allTags {
|
|
return fmt.Errorf("tag can't be used with --all-tags/-a")
|
|
}
|
|
|
|
v.Set("fromImage", newRemote)
|
|
|
|
// Resolve the Repository name from fqn to hostname + name
|
|
hostname, _, err := registry.ResolveRepositoryName(taglessRemote)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cli.LoadConfigFile()
|
|
|
|
// Resolve the Auth config relevant for this server
|
|
authConfig := cli.configFile.ResolveAuthConfig(hostname)
|
|
|
|
pull := func(authConfig registry.AuthConfig) error {
|
|
buf, err := json.Marshal(authConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
registryAuthHeader := []string{
|
|
base64.URLEncoding.EncodeToString(buf),
|
|
}
|
|
|
|
return cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.out, map[string][]string{
|
|
"X-Registry-Auth": registryAuthHeader,
|
|
})
|
|
}
|
|
|
|
if err := pull(authConfig); err != nil {
|
|
if strings.Contains(err.Error(), "Status 401") {
|
|
fmt.Fprintln(cli.out, "\nPlease login prior to pull:")
|
|
if err := cli.CmdLogin(hostname); err != nil {
|
|
return err
|
|
}
|
|
authConfig := cli.configFile.ResolveAuthConfig(hostname)
|
|
return pull(authConfig)
|
|
}
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdImages(args ...string) error {
|
|
cmd := cli.Subcmd("images", "[NAME]", "List images")
|
|
quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
|
|
all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (by default filter out the intermediate image layers)")
|
|
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
|
|
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
|
|
flViz := cmd.Bool([]string{"#v", "#viz", "#-viz"}, false, "Output graph in graphviz format")
|
|
flTree := cmd.Bool([]string{"#t", "#tree", "#-tree"}, false, "Output graph in tree format")
|
|
|
|
flFilter := opts.NewListOpts(nil)
|
|
cmd.Var(&flFilter, []string{"f", "-filter"}, "Provide filter values (i.e. 'dangling=true')")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() > 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
// Consolidate all filter flags, and sanity check them early.
|
|
// They'll get process in the daemon/server.
|
|
imageFilterArgs := filters.Args{}
|
|
for _, f := range flFilter.GetAll() {
|
|
var err error
|
|
imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
matchName := cmd.Arg(0)
|
|
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
|
|
if *flViz || *flTree {
|
|
v := url.Values{
|
|
"all": []string{"1"},
|
|
}
|
|
if len(imageFilterArgs) > 0 {
|
|
filterJson, err := filters.ToParam(imageFilterArgs)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
v.Set("filters", filterJson)
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
outs := engine.NewTable("Created", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
|
|
var (
|
|
printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)
|
|
startImage *engine.Env
|
|
|
|
roots = engine.NewTable("Created", outs.Len())
|
|
byParent = make(map[string]*engine.Table)
|
|
)
|
|
|
|
for _, image := range outs.Data {
|
|
if image.Get("ParentId") == "" {
|
|
roots.Add(image)
|
|
} else {
|
|
if children, exists := byParent[image.Get("ParentId")]; exists {
|
|
children.Add(image)
|
|
} else {
|
|
byParent[image.Get("ParentId")] = engine.NewTable("Created", 1)
|
|
byParent[image.Get("ParentId")].Add(image)
|
|
}
|
|
}
|
|
|
|
if matchName != "" {
|
|
if matchName == image.Get("Id") || matchName == utils.TruncateID(image.Get("Id")) {
|
|
startImage = image
|
|
}
|
|
|
|
for _, repotag := range image.GetList("RepoTags") {
|
|
if repotag == matchName {
|
|
startImage = image
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if *flViz {
|
|
fmt.Fprintf(cli.out, "digraph docker {\n")
|
|
printNode = (*DockerCli).printVizNode
|
|
} else {
|
|
printNode = (*DockerCli).printTreeNode
|
|
}
|
|
|
|
if startImage != nil {
|
|
root := engine.NewTable("Created", 1)
|
|
root.Add(startImage)
|
|
cli.WalkTree(*noTrunc, root, byParent, "", printNode)
|
|
} else if matchName == "" {
|
|
cli.WalkTree(*noTrunc, roots, byParent, "", printNode)
|
|
}
|
|
if *flViz {
|
|
fmt.Fprintf(cli.out, " base [style=invisible]\n}\n")
|
|
}
|
|
} else {
|
|
v := url.Values{}
|
|
if len(imageFilterArgs) > 0 {
|
|
filterJson, err := filters.ToParam(imageFilterArgs)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
v.Set("filters", filterJson)
|
|
}
|
|
|
|
if cmd.NArg() == 1 {
|
|
// FIXME rename this parameter, to not be confused with the filters flag
|
|
v.Set("filter", matchName)
|
|
}
|
|
if *all {
|
|
v.Set("all", "1")
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
outs := engine.NewTable("Created", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
|
|
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
|
|
if !*quiet {
|
|
fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
|
|
}
|
|
|
|
for _, out := range outs.Data {
|
|
for _, repotag := range out.GetList("RepoTags") {
|
|
|
|
repo, tag := parsers.ParseRepositoryTag(repotag)
|
|
outID := out.Get("Id")
|
|
if !*noTrunc {
|
|
outID = utils.TruncateID(outID)
|
|
}
|
|
|
|
if !*quiet {
|
|
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\n", repo, tag, outID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), units.HumanSize(out.GetInt64("VirtualSize")))
|
|
} else {
|
|
fmt.Fprintln(w, outID)
|
|
}
|
|
}
|
|
}
|
|
|
|
if !*quiet {
|
|
w.Flush()
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
|
|
func (cli *DockerCli) WalkTree(noTrunc bool, images *engine.Table, byParent map[string]*engine.Table, prefix string, printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)) {
|
|
length := images.Len()
|
|
if length > 1 {
|
|
for index, image := range images.Data {
|
|
if index+1 == length {
|
|
printNode(cli, noTrunc, image, prefix+"└─")
|
|
if subimages, exists := byParent[image.Get("Id")]; exists {
|
|
cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
|
|
}
|
|
} else {
|
|
printNode(cli, noTrunc, image, prefix+"\u251C─")
|
|
if subimages, exists := byParent[image.Get("Id")]; exists {
|
|
cli.WalkTree(noTrunc, subimages, byParent, prefix+"\u2502 ", printNode)
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for _, image := range images.Data {
|
|
printNode(cli, noTrunc, image, prefix+"└─")
|
|
if subimages, exists := byParent[image.Get("Id")]; exists {
|
|
cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
|
|
func (cli *DockerCli) printVizNode(noTrunc bool, image *engine.Env, prefix string) {
|
|
var (
|
|
imageID string
|
|
parentID string
|
|
)
|
|
if noTrunc {
|
|
imageID = image.Get("Id")
|
|
parentID = image.Get("ParentId")
|
|
} else {
|
|
imageID = utils.TruncateID(image.Get("Id"))
|
|
parentID = utils.TruncateID(image.Get("ParentId"))
|
|
}
|
|
if parentID == "" {
|
|
fmt.Fprintf(cli.out, " base -> \"%s\" [style=invis]\n", imageID)
|
|
} else {
|
|
fmt.Fprintf(cli.out, " \"%s\" -> \"%s\"\n", parentID, imageID)
|
|
}
|
|
if image.GetList("RepoTags")[0] != "<none>:<none>" {
|
|
fmt.Fprintf(cli.out, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n",
|
|
imageID, imageID, strings.Join(image.GetList("RepoTags"), "\\n"))
|
|
}
|
|
}
|
|
|
|
// FIXME: --viz and --tree are deprecated. Remove them in a future version.
|
|
func (cli *DockerCli) printTreeNode(noTrunc bool, image *engine.Env, prefix string) {
|
|
var imageID string
|
|
if noTrunc {
|
|
imageID = image.Get("Id")
|
|
} else {
|
|
imageID = utils.TruncateID(image.Get("Id"))
|
|
}
|
|
|
|
fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(image.GetInt64("VirtualSize")))
|
|
if image.GetList("RepoTags")[0] != "<none>:<none>" {
|
|
fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.GetList("RepoTags"), ", "))
|
|
} else {
|
|
fmt.Fprint(cli.out, "\n")
|
|
}
|
|
}
|
|
|
|
func (cli *DockerCli) CmdPs(args ...string) error {
|
|
cmd := cli.Subcmd("ps", "", "List containers")
|
|
quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
|
|
size := cmd.Bool([]string{"s", "-size"}, false, "Display sizes")
|
|
all := cmd.Bool([]string{"a", "-all"}, false, "Show all containers. Only running containers are shown by default.")
|
|
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
|
|
nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show only the latest created container, include non-running ones.")
|
|
since := cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show only containers created since Id or Name, include non-running ones.")
|
|
before := cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name, include non-running ones.")
|
|
last := cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running ones.")
|
|
|
|
flFilter := opts.NewListOpts(nil)
|
|
cmd.Var(&flFilter, []string{"f", "-filter"}, "Provide filter values. Valid filters:\nexited=<int> - containers with exit code of <int>")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
v := url.Values{}
|
|
if *last == -1 && *nLatest {
|
|
*last = 1
|
|
}
|
|
if *all {
|
|
v.Set("all", "1")
|
|
}
|
|
if *last != -1 {
|
|
v.Set("limit", strconv.Itoa(*last))
|
|
}
|
|
if *since != "" {
|
|
v.Set("since", *since)
|
|
}
|
|
if *before != "" {
|
|
v.Set("before", *before)
|
|
}
|
|
if *size {
|
|
v.Set("size", "1")
|
|
}
|
|
|
|
// Consolidate all filter flags, and sanity check them.
|
|
// They'll get processed in the daemon/server.
|
|
psFilterArgs := filters.Args{}
|
|
for _, f := range flFilter.GetAll() {
|
|
var err error
|
|
psFilterArgs, err = filters.ParseFlag(f, psFilterArgs)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if len(psFilterArgs) > 0 {
|
|
filterJson, err := filters.ToParam(psFilterArgs)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
v.Set("filters", filterJson)
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, false))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
outs := engine.NewTable("Created", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
|
|
if !*quiet {
|
|
fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES")
|
|
if *size {
|
|
fmt.Fprintln(w, "\tSIZE")
|
|
} else {
|
|
fmt.Fprint(w, "\n")
|
|
}
|
|
}
|
|
|
|
for _, out := range outs.Data {
|
|
var (
|
|
outID = out.Get("Id")
|
|
outNames = out.GetList("Names")
|
|
)
|
|
|
|
if !*noTrunc {
|
|
outID = utils.TruncateID(outID)
|
|
}
|
|
|
|
// Remove the leading / from the names
|
|
for i := 0; i < len(outNames); i++ {
|
|
outNames[i] = outNames[i][1:]
|
|
}
|
|
|
|
if !*quiet {
|
|
var (
|
|
outCommand = out.Get("Command")
|
|
ports = engine.NewTable("", 0)
|
|
outNamesList = strings.Join(outNames, ",")
|
|
)
|
|
outCommand = strconv.Quote(outCommand)
|
|
if !*noTrunc {
|
|
outCommand = utils.Trunc(outCommand, 20)
|
|
outNamesList = outNames[0]
|
|
}
|
|
ports.ReadListFrom([]byte(out.Get("Ports")))
|
|
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, out.Get("Image"), outCommand, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), out.Get("Status"), api.DisplayablePorts(ports), outNamesList)
|
|
if *size {
|
|
if out.GetInt("SizeRootFs") > 0 {
|
|
fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(out.GetInt64("SizeRw")), units.HumanSize(out.GetInt64("SizeRootFs")))
|
|
} else {
|
|
fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("SizeRw")))
|
|
}
|
|
} else {
|
|
fmt.Fprint(w, "\n")
|
|
}
|
|
} else {
|
|
fmt.Fprintln(w, outID)
|
|
}
|
|
}
|
|
|
|
if !*quiet {
|
|
w.Flush()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdCommit(args ...string) error {
|
|
cmd := cli.Subcmd("commit", "CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes")
|
|
flPause := cmd.Bool([]string{"p", "-pause"}, true, "Pause container during commit")
|
|
flComment := cmd.String([]string{"m", "-message"}, "", "Commit message")
|
|
flAuthor := cmd.String([]string{"a", "#author", "-author"}, "", "Author (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
|
|
// FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands.
|
|
flConfig := cmd.String([]string{"#run", "#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
var (
|
|
name = cmd.Arg(0)
|
|
repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1))
|
|
)
|
|
|
|
if name == "" || len(cmd.Args()) > 2 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
//Check if the given image name can be resolved
|
|
if repository != "" {
|
|
if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("container", name)
|
|
v.Set("repo", repository)
|
|
v.Set("tag", tag)
|
|
v.Set("comment", *flComment)
|
|
v.Set("author", *flAuthor)
|
|
|
|
if *flPause != true {
|
|
v.Set("pause", "0")
|
|
}
|
|
|
|
var (
|
|
config *runconfig.Config
|
|
env engine.Env
|
|
)
|
|
if *flConfig != "" {
|
|
config = &runconfig.Config{}
|
|
if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
stream, _, err := cli.call("POST", "/commit?"+v.Encode(), config, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if err := env.Decode(stream); err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(cli.out, "%s\n", env.Get("Id"))
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdEvents(args ...string) error {
|
|
cmd := cli.Subcmd("events", "", "Get real time events from the server")
|
|
since := cmd.String([]string{"#since", "-since"}, "", "Show all events created since timestamp")
|
|
until := cmd.String([]string{"-until"}, "", "Stream events until this timestamp")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 0 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
var (
|
|
v = url.Values{}
|
|
loc = time.FixedZone(time.Now().Zone())
|
|
)
|
|
var setTime = func(key, value string) {
|
|
format := timeutils.RFC3339NanoFixed
|
|
if len(value) < len(format) {
|
|
format = format[:len(value)]
|
|
}
|
|
if t, err := time.ParseInLocation(format, value, loc); err == nil {
|
|
v.Set(key, strconv.FormatInt(t.Unix(), 10))
|
|
} else {
|
|
v.Set(key, value)
|
|
}
|
|
}
|
|
if *since != "" {
|
|
setTime("since", *since)
|
|
}
|
|
if *until != "" {
|
|
setTime("until", *until)
|
|
}
|
|
if err := cli.stream("GET", "/events?"+v.Encode(), nil, cli.out, nil); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdExport(args ...string) error {
|
|
cmd := cli.Subcmd("export", "CONTAINER", "Export the contents of a filesystem as a tar archive to STDOUT")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
if err := cli.stream("GET", "/containers/"+cmd.Arg(0)+"/export", nil, cli.out, nil); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdDiff(args ...string) error {
|
|
cmd := cli.Subcmd("diff", "CONTAINER", "Inspect changes on a container's filesystem")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
body, _, err := readBody(cli.call("GET", "/containers/"+cmd.Arg(0)+"/changes", nil, false))
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
outs := engine.NewTable("", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
for _, change := range outs.Data {
|
|
var kind string
|
|
switch change.GetInt("Kind") {
|
|
case archive.ChangeModify:
|
|
kind = "C"
|
|
case archive.ChangeAdd:
|
|
kind = "A"
|
|
case archive.ChangeDelete:
|
|
kind = "D"
|
|
}
|
|
fmt.Fprintf(cli.out, "%s %s\n", kind, change.Get("Path"))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdLogs(args ...string) error {
|
|
var (
|
|
cmd = cli.Subcmd("logs", "CONTAINER", "Fetch the logs of a container")
|
|
follow = cmd.Bool([]string{"f", "-follow"}, false, "Follow log output")
|
|
times = cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps")
|
|
tail = cmd.String([]string{"-tail"}, "all", "Output the specified number of lines at the end of logs (defaults to all logs)")
|
|
)
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
name := cmd.Arg(0)
|
|
|
|
steam, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
env := engine.Env{}
|
|
if err := env.Decode(steam); err != nil {
|
|
return err
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("stdout", "1")
|
|
v.Set("stderr", "1")
|
|
|
|
if *times {
|
|
v.Set("timestamps", "1")
|
|
}
|
|
|
|
if *follow {
|
|
v.Set("follow", "1")
|
|
}
|
|
v.Set("tail", *tail)
|
|
|
|
return cli.streamHelper("GET", "/containers/"+name+"/logs?"+v.Encode(), env.GetSubEnv("Config").GetBool("Tty"), nil, cli.out, cli.err, nil)
|
|
}
|
|
|
|
func (cli *DockerCli) CmdAttach(args ...string) error {
|
|
var (
|
|
cmd = cli.Subcmd("attach", "CONTAINER", "Attach to a running container")
|
|
noStdin = cmd.Bool([]string{"#nostdin", "-no-stdin"}, false, "Do not attach STDIN")
|
|
proxy = cmd.Bool([]string{"#sig-proxy", "-sig-proxy"}, true, "Proxy all received signals to the process (even in non-TTY mode). SIGCHLD, SIGKILL, and SIGSTOP are not proxied.")
|
|
)
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
name := cmd.Arg(0)
|
|
|
|
stream, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
env := engine.Env{}
|
|
if err := env.Decode(stream); err != nil {
|
|
return err
|
|
}
|
|
|
|
if !env.GetSubEnv("State").GetBool("Running") {
|
|
return fmt.Errorf("You cannot attach to a stopped container, start it first")
|
|
}
|
|
|
|
var (
|
|
config = env.GetSubEnv("Config")
|
|
tty = config.GetBool("Tty")
|
|
)
|
|
|
|
if tty && cli.isTerminal {
|
|
if err := cli.monitorTtySize(cmd.Arg(0), false); err != nil {
|
|
log.Debugf("Error monitoring TTY size: %s", err)
|
|
}
|
|
}
|
|
|
|
var in io.ReadCloser
|
|
|
|
v := url.Values{}
|
|
v.Set("stream", "1")
|
|
if !*noStdin && config.GetBool("OpenStdin") {
|
|
v.Set("stdin", "1")
|
|
in = cli.in
|
|
}
|
|
|
|
v.Set("stdout", "1")
|
|
v.Set("stderr", "1")
|
|
|
|
if *proxy && !tty {
|
|
sigc := cli.forwardAllSignals(cmd.Arg(0))
|
|
defer signal.StopCatch(sigc)
|
|
}
|
|
|
|
if err := cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil, nil); err != nil {
|
|
return err
|
|
}
|
|
|
|
_, status, err := getExitCode(cli, cmd.Arg(0))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if status != 0 {
|
|
return &utils.StatusError{StatusCode: status}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdSearch(args ...string) error {
|
|
cmd := cli.Subcmd("search", "TERM", "Search the Docker Hub for images")
|
|
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
|
|
trusted := cmd.Bool([]string{"#t", "#trusted", "#-trusted"}, false, "Only show trusted builds")
|
|
automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds")
|
|
stars := cmd.Int([]string{"s", "#stars", "-stars"}, 0, "Only displays with at least x stars")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() != 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
v := url.Values{}
|
|
v.Set("term", cmd.Arg(0))
|
|
|
|
body, _, err := readBody(cli.call("GET", "/images/search?"+v.Encode(), nil, true))
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
outs := engine.NewTable("star_count", 0)
|
|
if _, err := outs.ReadListFrom(body); err != nil {
|
|
return err
|
|
}
|
|
w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0)
|
|
fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n")
|
|
for _, out := range outs.Data {
|
|
if ((*automated || *trusted) && (!out.GetBool("is_trusted") && !out.GetBool("is_automated"))) || (*stars > out.GetInt("star_count")) {
|
|
continue
|
|
}
|
|
desc := strings.Replace(out.Get("description"), "\n", " ", -1)
|
|
desc = strings.Replace(desc, "\r", " ", -1)
|
|
if !*noTrunc && len(desc) > 45 {
|
|
desc = utils.Trunc(desc, 42) + "..."
|
|
}
|
|
fmt.Fprintf(w, "%s\t%s\t%d\t", out.Get("name"), desc, out.GetInt("star_count"))
|
|
if out.GetBool("is_official") {
|
|
fmt.Fprint(w, "[OK]")
|
|
|
|
}
|
|
fmt.Fprint(w, "\t")
|
|
if out.GetBool("is_automated") || out.GetBool("is_trusted") {
|
|
fmt.Fprint(w, "[OK]")
|
|
}
|
|
fmt.Fprint(w, "\n")
|
|
}
|
|
w.Flush()
|
|
return nil
|
|
}
|
|
|
|
// Ports type - Used to parse multiple -p flags
|
|
type ports []int
|
|
|
|
func (cli *DockerCli) CmdTag(args ...string) error {
|
|
cmd := cli.Subcmd("tag", "IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]", "Tag an image into a repository")
|
|
force := cmd.Bool([]string{"f", "#force", "-force"}, false, "Force")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
if cmd.NArg() != 2 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var (
|
|
repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1))
|
|
v = url.Values{}
|
|
)
|
|
|
|
//Check if the given image name can be resolved
|
|
if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
|
|
return err
|
|
}
|
|
v.Set("repo", repository)
|
|
v.Set("tag", tag)
|
|
|
|
if *force {
|
|
v.Set("force", "1")
|
|
}
|
|
|
|
if _, _, err := readBody(cli.call("POST", "/images/"+cmd.Arg(0)+"/tag?"+v.Encode(), nil, false)); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) pullImage(image string) error {
|
|
v := url.Values{}
|
|
repos, tag := parsers.ParseRepositoryTag(image)
|
|
// pull only the image tagged 'latest' if no tag was specified
|
|
if tag == "" {
|
|
tag = "latest"
|
|
}
|
|
v.Set("fromImage", repos)
|
|
v.Set("tag", tag)
|
|
|
|
// Resolve the Repository name from fqn to hostname + name
|
|
hostname, _, err := registry.ResolveRepositoryName(repos)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Load the auth config file, to be able to pull the image
|
|
cli.LoadConfigFile()
|
|
|
|
// Resolve the Auth config relevant for this server
|
|
authConfig := cli.configFile.ResolveAuthConfig(hostname)
|
|
buf, err := json.Marshal(authConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
registryAuthHeader := []string{
|
|
base64.URLEncoding.EncodeToString(buf),
|
|
}
|
|
if err = cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.err, map[string][]string{"X-Registry-Auth": registryAuthHeader}); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type cidFile struct {
|
|
path string
|
|
file *os.File
|
|
written bool
|
|
}
|
|
|
|
func newCIDFile(path string) (*cidFile, error) {
|
|
if _, err := os.Stat(path); err == nil {
|
|
return nil, fmt.Errorf("Container ID file found, make sure the other container isn't running or delete %s", path)
|
|
}
|
|
f, err := os.Create(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Failed to create the container ID file: %s", err)
|
|
}
|
|
|
|
return &cidFile{path: path, file: f}, nil
|
|
}
|
|
|
|
func (cid *cidFile) Close() error {
|
|
cid.file.Close()
|
|
|
|
if !cid.written {
|
|
if err := os.Remove(cid.path); err != nil {
|
|
return fmt.Errorf("failed to remove the CID file '%s': %s \n", cid.path, err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (cid *cidFile) Write(id string) error {
|
|
if _, err := cid.file.Write([]byte(id)); err != nil {
|
|
return fmt.Errorf("Failed to write the container ID to the file: %s", err)
|
|
}
|
|
cid.written = true
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) createContainer(config *runconfig.Config, hostConfig *runconfig.HostConfig, cidfile, name string) (engine.Env, error) {
|
|
containerValues := url.Values{}
|
|
if name != "" {
|
|
containerValues.Set("name", name)
|
|
}
|
|
|
|
var data interface{}
|
|
if hostConfig != nil {
|
|
data = runconfig.MergeConfigs(config, hostConfig)
|
|
} else {
|
|
data = config
|
|
}
|
|
|
|
var containerIDFile *cidFile
|
|
if cidfile != "" {
|
|
var err error
|
|
if containerIDFile, err = newCIDFile(cidfile); err != nil {
|
|
return nil, err
|
|
}
|
|
defer containerIDFile.Close()
|
|
}
|
|
|
|
//create the container
|
|
stream, statusCode, err := cli.call("POST", "/containers/create?"+containerValues.Encode(), data, false)
|
|
//if image not found try to pull it
|
|
if statusCode == 404 {
|
|
fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image)
|
|
|
|
if err = cli.pullImage(config.Image); err != nil {
|
|
return nil, err
|
|
}
|
|
// Retry
|
|
if stream, _, err = cli.call("POST", "/containers/create?"+containerValues.Encode(), data, false); err != nil {
|
|
return nil, err
|
|
}
|
|
} else if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var result engine.Env
|
|
if err := result.Decode(stream); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for _, warning := range result.GetList("Warnings") {
|
|
fmt.Fprintf(cli.err, "WARNING: %s\n", warning)
|
|
}
|
|
|
|
if containerIDFile != nil {
|
|
if err = containerIDFile.Write(result.Get("Id")); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return result, nil
|
|
|
|
}
|
|
|
|
func (cli *DockerCli) CmdCreate(args ...string) error {
|
|
cmd := cli.Subcmd("create", "IMAGE [COMMAND] [ARG...]", "Create a new container")
|
|
|
|
// These are flags not stored in Config/HostConfig
|
|
var (
|
|
flName = cmd.String([]string{"-name"}, "", "Assign a name to the container")
|
|
)
|
|
|
|
config, hostConfig, cmd, err := runconfig.Parse(cmd, args, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if config.Image == "" {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
createResult, err := cli.createContainer(config, hostConfig, hostConfig.ContainerIDFile, *flName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(cli.out, "%s\n", createResult.Get("Id"))
|
|
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdRun(args ...string) error {
|
|
// FIXME: just use runconfig.Parse already
|
|
cmd := cli.Subcmd("run", "IMAGE [COMMAND] [ARG...]", "Run a command in a new container")
|
|
|
|
// These are flags not stored in Config/HostConfig
|
|
var (
|
|
flAutoRemove = cmd.Bool([]string{"#rm", "-rm"}, false, "Automatically remove the container when it exits (incompatible with -d)")
|
|
flDetach = cmd.Bool([]string{"d", "-detach"}, false, "Detached mode: run the container in the background and print the new container ID")
|
|
flSigProxy = cmd.Bool([]string{"#sig-proxy", "-sig-proxy"}, true, "Proxy received signals to the process (even in non-TTY mode). SIGCHLD, SIGSTOP, and SIGKILL are not proxied.")
|
|
flName = cmd.String([]string{"#name", "-name"}, "", "Assign a name to the container")
|
|
flAttach *opts.ListOpts
|
|
|
|
ErrConflictAttachDetach = fmt.Errorf("Conflicting options: -a and -d")
|
|
ErrConflictRestartPolicyAndAutoRemove = fmt.Errorf("Conflicting options: --restart and --rm")
|
|
ErrConflictDetachAutoRemove = fmt.Errorf("Conflicting options: --rm and -d")
|
|
)
|
|
|
|
config, hostConfig, cmd, err := runconfig.Parse(cmd, args, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if config.Image == "" {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
if *flDetach {
|
|
if fl := cmd.Lookup("attach"); fl != nil {
|
|
flAttach = fl.Value.(*opts.ListOpts)
|
|
if flAttach.Len() != 0 {
|
|
return ErrConflictAttachDetach
|
|
}
|
|
}
|
|
if *flAutoRemove {
|
|
return ErrConflictDetachAutoRemove
|
|
}
|
|
|
|
config.AttachStdin = false
|
|
config.AttachStdout = false
|
|
config.AttachStderr = false
|
|
config.StdinOnce = false
|
|
}
|
|
|
|
// Disable flSigProxy in case on TTY
|
|
sigProxy := *flSigProxy
|
|
if config.Tty {
|
|
sigProxy = false
|
|
}
|
|
|
|
runResult, err := cli.createContainer(config, nil, hostConfig.ContainerIDFile, *flName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if sigProxy {
|
|
sigc := cli.forwardAllSignals(runResult.Get("Id"))
|
|
defer signal.StopCatch(sigc)
|
|
}
|
|
|
|
var (
|
|
waitDisplayId chan struct{}
|
|
errCh chan error
|
|
)
|
|
|
|
if !config.AttachStdout && !config.AttachStderr {
|
|
// Make this asynchrone in order to let the client write to stdin before having to read the ID
|
|
waitDisplayId = make(chan struct{})
|
|
go func() {
|
|
defer close(waitDisplayId)
|
|
fmt.Fprintf(cli.out, "%s\n", runResult.Get("Id"))
|
|
}()
|
|
}
|
|
|
|
if *flAutoRemove && (hostConfig.RestartPolicy.Name == "always" || hostConfig.RestartPolicy.Name == "on-failure") {
|
|
return ErrConflictRestartPolicyAndAutoRemove
|
|
}
|
|
|
|
// We need to instanciate the chan because the select needs it. It can
|
|
// be closed but can't be uninitialized.
|
|
hijacked := make(chan io.Closer)
|
|
|
|
// Block the return until the chan gets closed
|
|
defer func() {
|
|
log.Debugf("End of CmdRun(), Waiting for hijack to finish.")
|
|
if _, ok := <-hijacked; ok {
|
|
log.Errorf("Hijack did not finish (chan still open)")
|
|
}
|
|
}()
|
|
|
|
if config.AttachStdin || config.AttachStdout || config.AttachStderr {
|
|
var (
|
|
out, stderr io.Writer
|
|
in io.ReadCloser
|
|
v = url.Values{}
|
|
)
|
|
v.Set("stream", "1")
|
|
|
|
if config.AttachStdin {
|
|
v.Set("stdin", "1")
|
|
in = cli.in
|
|
}
|
|
if config.AttachStdout {
|
|
v.Set("stdout", "1")
|
|
out = cli.out
|
|
}
|
|
if config.AttachStderr {
|
|
v.Set("stderr", "1")
|
|
if config.Tty {
|
|
stderr = cli.out
|
|
} else {
|
|
stderr = cli.err
|
|
}
|
|
}
|
|
|
|
errCh = utils.Go(func() error {
|
|
return cli.hijack("POST", "/containers/"+runResult.Get("Id")+"/attach?"+v.Encode(), config.Tty, in, out, stderr, hijacked, nil)
|
|
})
|
|
} else {
|
|
close(hijacked)
|
|
}
|
|
|
|
// Acknowledge the hijack before starting
|
|
select {
|
|
case closer := <-hijacked:
|
|
// Make sure that hijack gets closed when returning. (result
|
|
// in closing hijack chan and freeing server's goroutines.
|
|
if closer != nil {
|
|
defer closer.Close()
|
|
}
|
|
case err := <-errCh:
|
|
if err != nil {
|
|
log.Debugf("Error hijack: %s", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
//start the container
|
|
if _, _, err = readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/start", hostConfig, false)); err != nil {
|
|
return err
|
|
}
|
|
|
|
if (config.AttachStdin || config.AttachStdout || config.AttachStderr) && config.Tty && cli.isTerminal {
|
|
if err := cli.monitorTtySize(runResult.Get("Id"), false); err != nil {
|
|
log.Errorf("Error monitoring TTY size: %s", err)
|
|
}
|
|
}
|
|
|
|
if errCh != nil {
|
|
if err := <-errCh; err != nil {
|
|
log.Debugf("Error hijack: %s", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Detached mode: wait for the id to be displayed and return.
|
|
if !config.AttachStdout && !config.AttachStderr {
|
|
// Detached mode
|
|
<-waitDisplayId
|
|
return nil
|
|
}
|
|
|
|
var status int
|
|
|
|
// Attached mode
|
|
if *flAutoRemove {
|
|
// Autoremove: wait for the container to finish, retrieve
|
|
// the exit code and remove the container
|
|
if _, _, err := readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/wait", nil, false)); err != nil {
|
|
return err
|
|
}
|
|
if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil {
|
|
return err
|
|
}
|
|
if _, _, err := readBody(cli.call("DELETE", "/containers/"+runResult.Get("Id")+"?v=1", nil, false)); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
if !config.Tty {
|
|
// In non-tty mode, we can't dettach, so we know we need to wait.
|
|
if status, err = waitForExit(cli, runResult.Get("Id")); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
// In TTY mode, there is a race. If the process dies too slowly, the state can be update after the getExitCode call
|
|
// and result in a wrong exit code.
|
|
// No Autoremove: Simply retrieve the exit code
|
|
if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
if status != 0 {
|
|
return &utils.StatusError{StatusCode: status}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdCp(args ...string) error {
|
|
cmd := cli.Subcmd("cp", "CONTAINER:PATH HOSTPATH", "Copy files/folders from the PATH to the HOSTPATH")
|
|
if err := cmd.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if cmd.NArg() != 2 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var copyData engine.Env
|
|
info := strings.Split(cmd.Arg(0), ":")
|
|
|
|
if len(info) != 2 {
|
|
return fmt.Errorf("Error: Path not specified")
|
|
}
|
|
|
|
copyData.Set("Resource", info[1])
|
|
copyData.Set("HostPath", cmd.Arg(1))
|
|
|
|
stream, statusCode, err := cli.call("POST", "/containers/"+info[0]+"/copy", copyData, false)
|
|
if stream != nil {
|
|
defer stream.Close()
|
|
}
|
|
if statusCode == 404 {
|
|
return fmt.Errorf("No such container: %v", info[0])
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if statusCode == 200 {
|
|
if err := archive.Untar(stream, copyData.Get("HostPath"), &archive.TarOptions{NoLchown: true}); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdSave(args ...string) error {
|
|
cmd := cli.Subcmd("save", "IMAGE [IMAGE...]", "Save an image(s) to a tar archive (streamed to STDOUT by default)")
|
|
outfile := cmd.String([]string{"o", "-output"}, "", "Write to a file, instead of STDOUT")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return err
|
|
}
|
|
|
|
if cmd.NArg() < 1 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var (
|
|
output io.Writer = cli.out
|
|
err error
|
|
)
|
|
if *outfile != "" {
|
|
output, err = os.Create(*outfile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if len(cmd.Args()) == 1 {
|
|
image := cmd.Arg(0)
|
|
if err := cli.stream("GET", "/images/"+image+"/get", nil, output, nil); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
v := url.Values{}
|
|
for _, arg := range cmd.Args() {
|
|
v.Add("names", arg)
|
|
}
|
|
if err := cli.stream("GET", "/images/get?"+v.Encode(), nil, output, nil); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdLoad(args ...string) error {
|
|
cmd := cli.Subcmd("load", "", "Load an image from a tar archive on STDIN")
|
|
infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN")
|
|
|
|
if err := cmd.Parse(args); err != nil {
|
|
return err
|
|
}
|
|
|
|
if cmd.NArg() != 0 {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
var (
|
|
input io.Reader = cli.in
|
|
err error
|
|
)
|
|
if *infile != "" {
|
|
input, err = os.Open(*infile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if err := cli.stream("POST", "/images/load", input, cli.out, nil); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cli *DockerCli) CmdExec(args ...string) error {
|
|
cmd := cli.Subcmd("exec", "CONTAINER COMMAND [ARG...]", "Run a command in an existing container")
|
|
|
|
execConfig, err := runconfig.ParseExec(cmd, args)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if execConfig.Container == "" {
|
|
cmd.Usage()
|
|
return nil
|
|
}
|
|
|
|
stream, _, err := cli.call("POST", "/containers/"+execConfig.Container+"/exec", execConfig, false)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var execResult engine.Env
|
|
if err := execResult.Decode(stream); err != nil {
|
|
return err
|
|
}
|
|
|
|
execID := execResult.Get("Id")
|
|
|
|
if execID == "" {
|
|
fmt.Fprintf(cli.out, "exec ID empty")
|
|
return nil
|
|
}
|
|
|
|
if execConfig.Detach {
|
|
if _, _, err := readBody(cli.call("POST", "/exec/"+execID+"/start", execConfig, false)); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Interactive exec requested.
|
|
var (
|
|
out, stderr io.Writer
|
|
in io.ReadCloser
|
|
hijacked = make(chan io.Closer)
|
|
errCh chan error
|
|
)
|
|
|
|
// Block the return until the chan gets closed
|
|
defer func() {
|
|
log.Debugf("End of CmdExec(), Waiting for hijack to finish.")
|
|
if _, ok := <-hijacked; ok {
|
|
log.Errorf("Hijack did not finish (chan still open)")
|
|
}
|
|
}()
|
|
|
|
if execConfig.AttachStdin {
|
|
in = cli.in
|
|
}
|
|
if execConfig.AttachStdout {
|
|
out = cli.out
|
|
}
|
|
if execConfig.AttachStderr {
|
|
if execConfig.Tty {
|
|
stderr = cli.out
|
|
} else {
|
|
stderr = cli.err
|
|
}
|
|
}
|
|
errCh = utils.Go(func() error {
|
|
return cli.hijack("POST", "/exec/"+execID+"/start", execConfig.Tty, in, out, stderr, hijacked, execConfig)
|
|
})
|
|
|
|
// Acknowledge the hijack before starting
|
|
select {
|
|
case closer := <-hijacked:
|
|
// Make sure that hijack gets closed when returning. (result
|
|
// in closing hijack chan and freeing server's goroutines.
|
|
if closer != nil {
|
|
defer closer.Close()
|
|
}
|
|
case err := <-errCh:
|
|
if err != nil {
|
|
log.Debugf("Error hijack: %s", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
if execConfig.Tty && cli.isTerminal {
|
|
if err := cli.monitorTtySize(execID, true); err != nil {
|
|
log.Errorf("Error monitoring TTY size: %s", err)
|
|
}
|
|
}
|
|
|
|
if err := <-errCh; err != nil {
|
|
log.Debugf("Error hijack: %s", err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|