docker/api/client/commit.go

101 строка
2.7 KiB
Go

package client
import (
"encoding/json"
"errors"
"fmt"
"net/url"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api/types"
Cli "github.com/docker/docker/cli"
"github.com/docker/docker/opts"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/registry"
"github.com/docker/docker/runconfig"
)
// CmdCommit creates a new image from a container's changes.
//
// Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
func (cli *DockerCli) CmdCommit(args ...string) error {
cmd := Cli.Subcmd("commit", []string{"CONTAINER [REPOSITORY[:TAG]]"}, Cli.DockerCommands["commit"].Description, true)
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 (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
flChanges := opts.NewListOpts(nil)
cmd.Var(&flChanges, []string{"c", "-change"}, "Apply Dockerfile instruction to the created image")
// FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands.
flConfig := cmd.String([]string{"#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands")
cmd.Require(flag.Max, 2)
cmd.Require(flag.Min, 1)
cmd.ParseFlags(args, true)
var (
name = cmd.Arg(0)
repositoryAndTag = cmd.Arg(1)
repositoryName string
tag string
)
//Check if the given image name can be resolved
if repositoryAndTag != "" {
ref, err := reference.ParseNamed(repositoryAndTag)
if err != nil {
return err
}
if err := registry.ValidateRepositoryName(ref); err != nil {
return err
}
repositoryName = ref.Name()
switch x := ref.(type) {
case reference.Digested:
return errors.New("cannot commit to digest reference")
case reference.Tagged:
tag = x.Tag()
}
}
v := url.Values{}
v.Set("container", name)
v.Set("repo", repositoryName)
v.Set("tag", tag)
v.Set("comment", *flComment)
v.Set("author", *flAuthor)
for _, change := range flChanges.GetAll() {
v.Add("changes", change)
}
if *flPause != true {
v.Set("pause", "0")
}
var (
config *runconfig.Config
response types.ContainerCommitResponse
)
if *flConfig != "" {
config = &runconfig.Config{}
if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
return err
}
}
serverResp, err := cli.call("POST", "/commit?"+v.Encode(), config, nil)
if err != nil {
return err
}
defer serverResp.body.Close()
if err := json.NewDecoder(serverResp.body).Decode(&response); err != nil {
return err
}
fmt.Fprintln(cli.out, response.ID)
return nil
}