mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package client
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import (
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"fmt"
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"strconv"
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"strings"
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"text/tabwriter"
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"time"
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Cli "github.com/docker/docker/cli"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/stringutils"
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"github.com/docker/docker/pkg/units"
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)
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// CmdHistory shows the history of an image.
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//
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// Usage: docker history [OPTIONS] IMAGE
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func (cli *DockerCli) CmdHistory(args ...string) error {
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cmd := Cli.Subcmd("history", []string{"IMAGE"}, Cli.DockerCommands["history"].Description, true)
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human := cmd.Bool([]string{"H", "-human"}, true, "Print sizes and dates in human readable format")
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quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
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noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output")
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cmd.Require(flag.Exact, 1)
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cmd.ParseFlags(args, true)
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history, err := cli.client.ImageHistory(cmd.Arg(0))
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
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if *quiet {
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for _, entry := range history {
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if *noTrunc {
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fmt.Fprintf(w, "%s\n", entry.ID)
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} else {
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fmt.Fprintf(w, "%s\n", stringid.TruncateID(entry.ID))
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}
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}
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w.Flush()
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return nil
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}
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var imageID string
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var createdBy string
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var created string
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var size string
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fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
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for _, entry := range history {
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imageID = entry.ID
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createdBy = strings.Replace(entry.CreatedBy, "\t", " ", -1)
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if *noTrunc == false {
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createdBy = stringutils.Truncate(createdBy, 45)
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imageID = stringid.TruncateID(entry.ID)
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}
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if *human {
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created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))) + " ago"
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size = units.HumanSize(float64(entry.Size))
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} else {
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created = time.Unix(entry.Created, 0).Format(time.RFC3339)
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size = strconv.FormatInt(entry.Size, 10)
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}
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fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", imageID, created, createdBy, size, entry.Comment)
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}
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w.Flush()
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return nil
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}
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