mirror of https://github.com/containers/podman.git
110 lines
2.6 KiB
Go
110 lines
2.6 KiB
Go
package images
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import (
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"context"
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"text/tabwriter"
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"text/template"
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"github.com/containers/buildah/pkg/formats"
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"github.com/containers/libpod/cmd/podmanV2/common"
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"github.com/containers/libpod/cmd/podmanV2/registry"
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"github.com/containers/libpod/pkg/domain/entities"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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// Command: podman image _inspect_
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inspectCmd = &cobra.Command{
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Use: "inspect [flags] IMAGE",
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Short: "Display the configuration of an image",
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Long: `Displays the low-level information on an image identified by name or ID.`,
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RunE: inspect,
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Example: `podman image inspect alpine`,
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}
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inspectOpts *entities.InspectOptions
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: inspectCmd,
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Parent: imageCmd,
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})
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inspectOpts = common.AddInspectFlagSet(inspectCmd)
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}
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func inspect(cmd *cobra.Command, args []string) error {
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latestContainer := inspectOpts.Latest
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if len(args) == 0 && !latestContainer {
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return errors.Errorf("container or image name must be specified: podman inspect [options [...]] name")
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}
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if len(args) > 0 && latestContainer {
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return errors.Errorf("you cannot provide additional arguments with --latest")
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}
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results, err := registry.ImageEngine().Inspect(context.Background(), args, *inspectOpts)
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if err != nil {
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return err
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}
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if len(results.Images) > 0 {
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if inspectOpts.Format == "" {
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buf, err := json.MarshalIndent(results.Images, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(buf))
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for id, e := range results.Errors {
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fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error())
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}
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return nil
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}
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row := inspectFormat(inspectOpts.Format)
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format := "{{range . }}" + row + "{{end}}"
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tmpl, err := template.New("inspect").Parse(format)
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
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defer func() { _ = w.Flush() }()
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err = tmpl.Execute(w, results)
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if err != nil {
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return err
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}
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}
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for id, e := range results.Errors {
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fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error())
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}
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return nil
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}
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func inspectFormat(row string) string {
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r := strings.NewReplacer("{{.Id}}", formats.IDString,
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".Src", ".Source",
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".Dst", ".Destination",
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".ImageID", ".Image",
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)
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row = r.Replace(row)
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if !strings.HasSuffix(row, "\n") {
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row += "\n"
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}
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return row
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}
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func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error {
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inspectOpts = options
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return inspect(cmd, args)
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}
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