Merge pull request #5546 from jwhonce/wip/entities

V2 podman command

1 files changed, 79 insertions, 0 deletions

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
+}