DockerCLI/cli/command/container/commit.go

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package container
import (
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
"golang.org/x/net/context"
)
type commitOptions struct {
container string
reference string
pause bool
comment string
author string
changes opts.ListOpts
}
// NewCommitCommand creates a new cobra.Command for `docker commit`
func NewCommitCommand(dockerCli command.Cli) *cobra.Command {
var options commitOptions
cmd := &cobra.Command{
Use: "commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]",
Short: "Create a new image from a container's changes",
Args: cli.RequiresRangeArgs(1, 2),
RunE: func(cmd *cobra.Command, args []string) error {
options.container = args[0]
if len(args) > 1 {
options.reference = args[1]
}
return runCommit(dockerCli, &options)
},
}
flags := cmd.Flags()
flags.SetInterspersed(false)
flags.BoolVarP(&options.pause, "pause", "p", true, "Pause container during commit")
flags.StringVarP(&options.comment, "message", "m", "", "Commit message")
flags.StringVarP(&options.author, "author", "a", "", "Author (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
options.changes = opts.NewListOpts(nil)
flags.VarP(&options.changes, "change", "c", "Apply Dockerfile instruction to the created image")
return cmd
}
func runCommit(dockerCli command.Cli, options *commitOptions) error {
ctx := context.Background()
name := options.container
reference := options.reference
commitOptions := types.ContainerCommitOptions{
Reference: reference,
Comment: options.comment,
Author: options.author,
Changes: options.changes.GetAll(),
Pause: options.pause,
}
response, err := dockerCli.Client().ContainerCommit(ctx, name, commitOptions)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), response.ID)
return nil
}