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authorBrent Baude <bbaude@redhat.com>2020-04-16 12:25:26 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-16 15:53:58 -0500
commit241326a9a8c20ad7f2bcf651416b836e7778e090 (patch)
tree4001e8e47a022bb1b9bfbf2332c42e1aeb802f9e /cmd/podman/images/inspect.go
parent88c6fd06cd54fb9a8826306dfdf1a77e400de5de (diff)
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Podman V2 birth
remote podman v1 and replace with podman v2. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/images/inspect.go')
-rw-r--r--cmd/podman/images/inspect.go108
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)
+}