| package client |
| |
| import ( |
| "fmt" |
| "strconv" |
| "strings" |
| "text/tabwriter" |
| "time" |
| |
| Cli "github.com/docker/docker/cli" |
| flag "github.com/docker/docker/pkg/mflag" |
| "github.com/docker/docker/pkg/stringid" |
| "github.com/docker/docker/pkg/stringutils" |
| "github.com/docker/go-units" |
| ) |
| |
| // CmdHistory shows the history of an image. |
| // |
| // Usage: docker history [OPTIONS] IMAGE |
| func (cli *DockerCli) CmdHistory(args ...string) error { |
| cmd := Cli.Subcmd("history", []string{"IMAGE"}, Cli.DockerCommands["history"].Description, true) |
| human := cmd.Bool([]string{"H", "-human"}, true, "Print sizes and dates in human readable format") |
| quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs") |
| noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output") |
| cmd.Require(flag.Exact, 1) |
| |
| cmd.ParseFlags(args, true) |
| |
| history, err := cli.client.ImageHistory(cmd.Arg(0)) |
| if err != nil { |
| return err |
| } |
| |
| w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) |
| |
| if *quiet { |
| for _, entry := range history { |
| if *noTrunc { |
| fmt.Fprintf(w, "%s\n", entry.ID) |
| } else { |
| fmt.Fprintf(w, "%s\n", stringid.TruncateID(entry.ID)) |
| } |
| } |
| w.Flush() |
| return nil |
| } |
| |
| var imageID string |
| var createdBy string |
| var created string |
| var size string |
| |
| fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT") |
| for _, entry := range history { |
| imageID = entry.ID |
| createdBy = strings.Replace(entry.CreatedBy, "\t", " ", -1) |
| if *noTrunc == false { |
| createdBy = stringutils.Truncate(createdBy, 45) |
| imageID = stringid.TruncateID(entry.ID) |
| } |
| |
| if *human { |
| created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))) + " ago" |
| size = units.HumanSize(float64(entry.Size)) |
| } else { |
| created = time.Unix(entry.Created, 0).Format(time.RFC3339) |
| size = strconv.FormatInt(entry.Size, 10) |
| } |
| |
| fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", imageID, created, createdBy, size, entry.Comment) |
| } |
| w.Flush() |
| return nil |
| } |