mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
86 lines
2 KiB
Go
86 lines
2 KiB
Go
package image
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import (
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"io"
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"os"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/pkg/jsonmessage"
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"github.com/docker/docker/pkg/urlutil"
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"github.com/docker/engine-api/types"
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"github.com/spf13/cobra"
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)
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type importOptions struct {
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source string
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reference string
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changes []string
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message string
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}
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// NewImportCommand creates a new `docker import` command
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func NewImportCommand(dockerCli *client.DockerCli) *cobra.Command {
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var opts importOptions
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cmd := &cobra.Command{
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Use: "import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]",
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Short: "Import the contents from a tarball to create a filesystem image",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.source = args[0]
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if len(args) > 1 {
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opts.reference = args[1]
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}
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return runImport(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.StringSliceVarP(&opts.changes, "change", "c", []string{}, "Apply Dockerfile instruction to the created image")
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flags.StringVarP(&opts.message, "message", "m", "", "Set commit message for imported image")
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return cmd
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}
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func runImport(dockerCli *client.DockerCli, opts importOptions) error {
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var (
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in io.Reader
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srcName = opts.source
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)
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if opts.source == "-" {
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in = dockerCli.In()
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} else if !urlutil.IsURL(opts.source) {
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srcName = "-"
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file, err := os.Open(opts.source)
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if err != nil {
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return err
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}
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defer file.Close()
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in = file
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}
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source := types.ImageImportSource{
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Source: in,
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SourceName: srcName,
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}
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options := types.ImageImportOptions{
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Message: opts.message,
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Changes: opts.changes,
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}
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clnt := dockerCli.Client()
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responseBody, err := clnt.ImageImport(context.Background(), source, opts.reference, options)
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if err != nil {
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return err
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}
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defer responseBody.Close()
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return jsonmessage.DisplayJSONMessagesStream(responseBody, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
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}
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