From fbe743501e2a3ea28fe446754b9b12988b4e7a0e Mon Sep 17 00:00:00 2001 From: Jhon Honce Date: Thu, 12 Mar 2020 10:49:03 -0700 Subject: V2 podman command Signed-off-by: Jhon Honce --- cmd/podmanV2/images/history.go | 79 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 cmd/podmanV2/images/history.go (limited to 'cmd/podmanV2/images/history.go') diff --git a/cmd/podmanV2/images/history.go b/cmd/podmanV2/images/history.go new file mode 100644 index 000000000..c75ae6ddc --- /dev/null +++ b/cmd/podmanV2/images/history.go @@ -0,0 +1,79 @@ +package images + +import ( + "context" + "fmt" + "os" + "text/tabwriter" + "text/template" + + "github.com/containers/libpod/cmd/podmanV2/registry" + "github.com/containers/libpod/cmd/podmanV2/report" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/pkg/errors" + "github.com/spf13/cobra" +) + +var ( + long = `Displays the history of an image. + + The information can be printed out in an easy to read, or user specified format, and can be truncated.` + + // podman _history_ + historyCmd = &cobra.Command{ + Use: "history [flags] IMAGE", + Short: "Show history of a specified image", + Long: long, + Example: "podman history quay.io/fedora/fedora", + Args: cobra.ExactArgs(1), + PersistentPreRunE: preRunE, + RunE: history, + } +) + +var cmdFlags = struct { + Human bool + NoTrunc bool + Quiet bool + Format string +}{} + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: historyCmd, + }) + + historyCmd.SetHelpTemplate(registry.HelpTemplate()) + historyCmd.SetUsageTemplate(registry.UsageTemplate()) + flags := historyCmd.Flags() + flags.StringVar(&cmdFlags.Format, "format", "", "Change the output to JSON or a Go template") + flags.BoolVarP(&cmdFlags.Human, "human", "H", true, "Display sizes and dates in human readable format") + flags.BoolVar(&cmdFlags.NoTrunc, "no-trunc", false, "Do not truncate the output") + flags.BoolVar(&cmdFlags.NoTrunc, "notruncate", false, "Do not truncate the output") + flags.BoolVarP(&cmdFlags.Quiet, "quiet", "q", false, "Display the numeric IDs only") +} + +func history(cmd *cobra.Command, args []string) error { + results, err := registry.ImageEngine().History(context.Background(), args[0], entities.ImageHistoryOptions{}) + if err != nil { + return err + } + + row := "{{slice $x.ID 0 12}}\t{{toRFC3339 $x.Created}}\t{{ellipsis $x.CreatedBy 45}}\t{{$x.Size}}\t{{$x.Comment}}\n" + if cmdFlags.Human { + row = "{{slice $x.ID 0 12}}\t{{toHumanDuration $x.Created}}\t{{ellipsis $x.CreatedBy 45}}\t{{toHumanSize $x.Size}}\t{{$x.Comment}}\n" + } + format := "{{range $y, $x := . }}" + row + "{{end}}" + + tmpl := template.Must(template.New("report").Funcs(report.PodmanTemplateFuncs()).Parse(format)) + w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0) + + _, _ = w.Write(report.ReportHeader("id", "created", "created by", "size", "comment")) + err = tmpl.Execute(w, results.Layers) + if err != nil { + fmt.Fprintln(os.Stderr, errors.Wrapf(err, "Failed to print report")) + } + w.Flush() + return nil +} -- cgit v1.2.3-54-g00ecf