Merge pull request #5852 from baude/v1prune

Podman V2 birth

1 files changed, 108 insertions, 0 deletions

diff --git a/cmd/podman/images/inspect.go b/cmd/podman/images/inspect.go
new file mode 100644
index 000000000..4482ceee5
--- /dev/null
+++ b/cmd/podman/images/inspect.go
@@ -0,0 +1,108 @@
+package images
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+	"text/tabwriter"
+	"text/template"
+
+	"github.com/containers/buildah/pkg/formats"
+	"github.com/containers/libpod/cmd/podman/common"
+	"github.com/containers/libpod/cmd/podman/registry"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+var (
+	// Command: podman image _inspect_
+	inspectCmd = &cobra.Command{
+		Use:     "inspect [flags] IMAGE",
+		Short:   "Display the configuration of an image",
+		Long:    `Displays the low-level information on an image identified by name or ID.`,
+		RunE:    inspect,
+		Example: `podman image inspect alpine`,
+	}
+	inspectOpts *entities.InspectOptions
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+		Command: inspectCmd,
+		Parent:  imageCmd,
+	})
+	inspectOpts = common.AddInspectFlagSet(inspectCmd)
+}
+
+func inspect(cmd *cobra.Command, args []string) error {
+	latestContainer := inspectOpts.Latest
+
+	if len(args) == 0 && !latestContainer {
+		return errors.Errorf("container or image name must be specified: podman inspect [options [...]] name")
+	}
+
+	if len(args) > 0 && latestContainer {
+		return errors.Errorf("you cannot provide additional arguments with --latest")
+	}
+
+	results, err := registry.ImageEngine().Inspect(context.Background(), args, *inspectOpts)
+	if err != nil {
+		return err
+	}
+
+	if len(results.Images) > 0 {
+		if inspectOpts.Format == "" {
+			buf, err := json.MarshalIndent(results.Images, "", "  ")
+			if err != nil {
+				return err
+			}
+			fmt.Println(string(buf))
+
+			for id, e := range results.Errors {
+				fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error())
+			}
+			return nil
+		}
+		row := inspectFormat(inspectOpts.Format)
+		format := "{{range . }}" + row + "{{end}}"
+		tmpl, err := template.New("inspect").Parse(format)
+		if err != nil {
+			return err
+		}
+
+		w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
+		defer func() { _ = w.Flush() }()
+		err = tmpl.Execute(w, results.Images)
+		if err != nil {
+			return err
+		}
+	}
+
+	for id, e := range results.Errors {
+		fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error())
+	}
+	return nil
+}
+
+func inspectFormat(row string) string {
+	r := strings.NewReplacer("{{.Id}}", formats.IDString,
+		".Src", ".Source",
+		".Dst", ".Destination",
+		".ImageID", ".Image",
+	)
+	row = r.Replace(row)
+
+	if !strings.HasSuffix(row, "\n") {
+		row += "\n"
+	}
+	return row
+}
+
+func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error {
+	inspectOpts = options
+	return inspect(cmd, args)
+}