package client import ( "fmt" "io" "net/url" "os" "github.com/docker/docker/opts" flag "github.com/docker/docker/pkg/mflag" "github.com/docker/docker/pkg/parsers" "github.com/docker/docker/pkg/urlutil" "github.com/docker/docker/registry" ) // CmdImport creates an empty filesystem image, imports the contents of the tarball into the image, and optionally tags the image. // // The URL argument is the address of a tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) file or a path to local file relative to docker client. If the URL is '-', then the tar file is read from STDIN. // // Usage: docker import [OPTIONS] file|URL|- [REPOSITORY[:TAG]] func (cli *DockerCli) CmdImport(args ...string) error { cmd := cli.Subcmd("import", []string{"file|URL|- [REPOSITORY[:TAG]]"}, "Create an empty filesystem image and import the contents of the\ntarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then\noptionally tag it.", true) flChanges := opts.NewListOpts(nil) cmd.Var(&flChanges, []string{"c", "-change"}, "Apply Dockerfile instruction to the created image") cmd.Require(flag.Min, 1) cmd.ParseFlags(args, true) var ( v = url.Values{} src = cmd.Arg(0) repository = cmd.Arg(1) ) v.Set("fromSrc", src) v.Set("repo", repository) for _, change := range flChanges.GetAll() { v.Add("changes", change) } if cmd.NArg() == 3 { fmt.Fprintf(cli.err, "[DEPRECATED] The format 'file|URL|- [REPOSITORY [TAG]]' has been deprecated. Please use file|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.ValidateRepositoryName(repo); err != nil { return err } } var in io.Reader if src == "-" { in = cli.in } else if !urlutil.IsURL(src) { v.Set("fromSrc", "-") file, err := os.Open(src) if err != nil { return err } defer file.Close() in = file } sopts := &streamOpts{ rawTerminal: true, in: in, out: cli.out, } _, err := cli.stream("POST", "/images/create?"+v.Encode(), sopts) return err }