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package main
import (
"fmt"
"github.com/containers/buildah/pkg/formats"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
volumeInspectCommand cliconfig.VolumeInspectValues
volumeInspectDescription = `Display detailed information on one or more volumes.
Use a Go template to change the format from JSON.`
_volumeInspectCommand = &cobra.Command{
Use: "inspect [flags] VOLUME [VOLUME...]",
Short: "Display detailed information on one or more volumes",
Long: volumeInspectDescription,
RunE: func(cmd *cobra.Command, args []string) error {
volumeInspectCommand.InputArgs = args
volumeInspectCommand.GlobalFlags = MainGlobalOpts
volumeInspectCommand.Remote = remoteclient
return volumeInspectCmd(&volumeInspectCommand)
},
Example: `podman volume inspect myvol
podman volume inspect --all
podman volume inspect --format "{{.Driver}} {{.Scope}}" myvol`,
}
)
func init() {
volumeInspectCommand.Command = _volumeInspectCommand
volumeInspectCommand.SetHelpTemplate(HelpTemplate())
volumeInspectCommand.SetUsageTemplate(UsageTemplate())
flags := volumeInspectCommand.Flags()
flags.BoolVarP(&volumeInspectCommand.All, "all", "a", false, "Inspect all volumes")
flags.StringVarP(&volumeInspectCommand.Format, "format", "f", "json", "Format volume output using Go template")
}
func volumeInspectCmd(c *cliconfig.VolumeInspectValues) error {
if (c.All && len(c.InputArgs) > 0) || (!c.All && len(c.InputArgs) < 1) {
return errors.New("provide one or more volume names or use --all")
}
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.DeferredShutdown(false)
vols, err := runtime.InspectVolumes(getContext(), c)
if err != nil {
return err
}
switch c.Format {
case "", formats.JSONString:
// Normal format - JSON string
jsonOut, err := json.MarshalIndent(vols, "", " ")
if err != nil {
return errors.Wrapf(err, "error marshalling inspect JSON")
}
fmt.Println(string(jsonOut))
default:
// It's a Go template.
interfaces := make([]interface{}, len(vols))
for i, vol := range vols {
interfaces[i] = vol
}
out := formats.StdoutTemplateArray{Output: interfaces, Template: c.Format}
return out.Out()
}
return nil
}
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