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3ff1583814
add commit of a container to a container-image Signed-off-by: Brent Baude <bbaude@redhat.com>
80 lines
2.9 KiB
Go
80 lines
2.9 KiB
Go
package containers
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"github.com/containers/libpod/cmd/podmanV2/registry"
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"github.com/containers/libpod/pkg/domain/entities"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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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.`
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commitCommand = &cobra.Command{
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Use: "commit [flags] CONTAINER [IMAGE]",
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Short: "Create new image based on the changed container",
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Long: commitDescription,
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RunE: commit,
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PreRunE: preRunE,
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Args: cobra.MinimumNArgs(1),
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Example: `podman commit -q --message "committing container to image" reverent_golick image-committed
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podman commit -q --author "firstName lastName" reverent_golick image-committed
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podman commit -q --pause=false containerID image-committed
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podman commit containerID`,
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}
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// ChangeCmds is the list of valid Changes commands to passed to the Commit call
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ChangeCmds = []string{"CMD", "ENTRYPOINT", "ENV", "EXPOSE", "LABEL", "ONBUILD", "STOPSIGNAL", "USER", "VOLUME", "WORKDIR"}
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)
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var (
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commitOptions = entities.CommitOptions{
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ImageName: "",
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}
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iidFile string
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: commitCommand,
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})
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flags := commitCommand.Flags()
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flags.StringArrayVarP(&commitOptions.Changes, "change", "c", []string{}, "Apply the following possible instructions to the created image (default []): "+strings.Join(ChangeCmds, " | "))
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flags.StringVarP(&commitOptions.Format, "format", "f", "oci", "`Format` of the image manifest and metadata")
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flags.StringVarP(&iidFile, "iidfile", "", "", "`file` to write the image ID to")
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flags.StringVarP(&commitOptions.Message, "message", "m", "", "Set commit message for imported image")
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flags.StringVarP(&commitOptions.Author, "author", "a", "", "Set the author for the image committed")
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flags.BoolVarP(&commitOptions.Pause, "pause", "p", false, "Pause container during commit")
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flags.BoolVarP(&commitOptions.Quiet, "quiet", "q", false, "Suppress output")
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flags.BoolVar(&commitOptions.IncludeVolumes, "include-volumes", false, "Include container volumes as image volumes")
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}
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func commit(cmd *cobra.Command, args []string) error {
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container := args[0]
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if len(args) > 1 {
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commitOptions.ImageName = args[1]
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}
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if !commitOptions.Quiet {
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commitOptions.Writer = os.Stderr
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}
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response, err := registry.ContainerEngine().ContainerCommit(context.Background(), container, commitOptions)
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if err != nil {
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return err
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}
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if len(iidFile) > 0 {
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if err = ioutil.WriteFile(iidFile, []byte(response.Id), 0644); err != nil {
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return errors.Wrapf(err, "failed to write image ID to file %q", iidFile)
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}
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}
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fmt.Println(response.Id)
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return nil
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}
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