85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package client
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import (
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"encoding/json"
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"errors"
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"fmt"
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"golang.org/x/net/context"
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Cli "github.com/docker/docker/cli"
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"github.com/docker/docker/opts"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/reference"
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"github.com/docker/engine-api/types"
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"github.com/docker/engine-api/types/container"
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)
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// CmdCommit creates a new image from a container's changes.
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//
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// Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
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func (cli *DockerCli) CmdCommit(args ...string) error {
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cmd := Cli.Subcmd("commit", []string{"CONTAINER [REPOSITORY[:TAG]]"}, Cli.DockerCommands["commit"].Description, true)
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flPause := cmd.Bool([]string{"p", "-pause"}, true, "Pause container during commit")
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flComment := cmd.String([]string{"m", "-message"}, "", "Commit message")
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flAuthor := cmd.String([]string{"a", "-author"}, "", "Author (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
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flChanges := opts.NewListOpts(nil)
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cmd.Var(&flChanges, []string{"c", "-change"}, "Apply Dockerfile instruction to the created image")
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// FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands.
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flConfig := cmd.String([]string{"#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands")
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cmd.Require(flag.Max, 2)
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cmd.Require(flag.Min, 1)
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cmd.ParseFlags(args, true)
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var (
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name = cmd.Arg(0)
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repositoryAndTag = cmd.Arg(1)
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repositoryName string
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tag string
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)
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//Check if the given image name can be resolved
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if repositoryAndTag != "" {
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ref, err := reference.ParseNamed(repositoryAndTag)
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if err != nil {
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return err
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}
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repositoryName = ref.Name()
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switch x := ref.(type) {
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case reference.Canonical:
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return errors.New("cannot commit to digest reference")
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case reference.NamedTagged:
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tag = x.Tag()
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}
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}
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var config *container.Config
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if *flConfig != "" {
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config = &container.Config{}
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if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
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return err
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}
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}
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options := types.ContainerCommitOptions{
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ContainerID: name,
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RepositoryName: repositoryName,
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Tag: tag,
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Comment: *flComment,
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Author: *flAuthor,
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Changes: flChanges.GetAll(),
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Pause: *flPause,
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Config: config,
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}
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response, err := cli.client.ContainerCommit(context.Background(), options)
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if err != nil {
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return err
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}
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fmt.Fprintln(cli.out, response.ID)
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return nil
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}
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