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package containers
import (
"context"
"fmt"
"io/ioutil"
"os"
"strings"
"github.com/containers/libpod/cmd/podmanV2/registry"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
commitDescription = `Create an image from a container's changes. Optionally tag the image created, set the author with the --author flag, set the commit message with the --message flag, and make changes to the instructions with the --change flag.`
commitCommand = &cobra.Command{
Use: "commit [flags] CONTAINER [IMAGE]",
Short: "Create new image based on the changed container",
Long: commitDescription,
RunE: commit,
Args: cobra.MinimumNArgs(1),
Example: `podman commit -q --message "committing container to image" reverent_golick image-committed
podman commit -q --author "firstName lastName" reverent_golick image-committed
podman commit -q --pause=false containerID image-committed
podman commit containerID`,
}
// ChangeCmds is the list of valid Changes commands to passed to the Commit call
ChangeCmds = []string{"CMD", "ENTRYPOINT", "ENV", "EXPOSE", "LABEL", "ONBUILD", "STOPSIGNAL", "USER", "VOLUME", "WORKDIR"}
)
var (
commitOptions = entities.CommitOptions{
ImageName: "",
}
iidFile string
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: commitCommand,
})
flags := commitCommand.Flags()
flags.StringArrayVarP(&commitOptions.Changes, "change", "c", []string{}, "Apply the following possible instructions to the created image (default []): "+strings.Join(ChangeCmds, " | "))
flags.StringVarP(&commitOptions.Format, "format", "f", "oci", "`Format` of the image manifest and metadata")
flags.StringVarP(&iidFile, "iidfile", "", "", "`file` to write the image ID to")
flags.StringVarP(&commitOptions.Message, "message", "m", "", "Set commit message for imported image")
flags.StringVarP(&commitOptions.Author, "author", "a", "", "Set the author for the image committed")
flags.BoolVarP(&commitOptions.Pause, "pause", "p", false, "Pause container during commit")
flags.BoolVarP(&commitOptions.Quiet, "quiet", "q", false, "Suppress output")
flags.BoolVar(&commitOptions.IncludeVolumes, "include-volumes", false, "Include container volumes as image volumes")
}
func commit(cmd *cobra.Command, args []string) error {
container := args[0]
if len(args) > 1 {
commitOptions.ImageName = args[1]
}
if !commitOptions.Quiet {
commitOptions.Writer = os.Stderr
}
response, err := registry.ContainerEngine().ContainerCommit(context.Background(), container, commitOptions)
if err != nil {
return err
}
if len(iidFile) > 0 {
if err = ioutil.WriteFile(iidFile, []byte(response.Id), 0644); err != nil {
return errors.Wrapf(err, "failed to write image ID to file %q", iidFile)
}
}
fmt.Println(response.Id)
return nil
}
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