73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
package volumes
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import (
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"fmt"
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"os"
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"text/template"
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"github.com/containers/common/pkg/report"
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"github.com/containers/podman/v2/cmd/podman/registry"
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"github.com/containers/podman/v2/pkg/domain/entities"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"golang.org/x/net/context"
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)
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var (
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volumeInspectDescription = `Display detailed information on one or more volumes.
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Use a Go template to change the format from JSON.`
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inspectCommand = &cobra.Command{
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Use: "inspect [options] VOLUME [VOLUME...]",
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Short: "Display detailed information on one or more volumes",
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Long: volumeInspectDescription,
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RunE: inspect,
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Example: `podman volume inspect myvol
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podman volume inspect --all
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podman volume inspect --format "{{.Driver}} {{.Scope}}" myvol`,
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}
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)
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var (
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inspectOpts = entities.VolumeInspectOptions{}
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inspectFormat string
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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: inspectCommand,
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Parent: volumeCmd,
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})
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flags := inspectCommand.Flags()
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flags.BoolVarP(&inspectOpts.All, "all", "a", false, "Inspect all volumes")
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flags.StringVarP(&inspectFormat, "format", "f", "json", "Format volume output using Go template")
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}
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func inspect(cmd *cobra.Command, args []string) error {
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if (inspectOpts.All && len(args) > 0) || (!inspectOpts.All && len(args) < 1) {
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return errors.New("provide one or more volume names or use --all")
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}
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responses, err := registry.ContainerEngine().VolumeInspect(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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switch {
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case report.IsJSON(inspectFormat), inspectFormat == "":
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jsonOut, err := json.MarshalIndent(responses, "", " ")
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if err != nil {
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return errors.Wrapf(err, "error marshalling inspect JSON")
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}
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fmt.Println(string(jsonOut))
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default:
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row := "{{range . }}" + report.NormalizeFormat(inspectFormat) + "{{end}}"
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tmpl, err := template.New("volumeInspect").Parse(row)
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if err != nil {
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return err
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}
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return tmpl.Execute(os.Stdout, responses)
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}
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return nil
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}
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