91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
package main
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import (
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"bufio"
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"context"
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"fmt"
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"os"
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"strings"
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"github.com/containers/libpod/libpod"
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"github.com/containers/libpod/libpod/adapter"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var volumePruneDescription = `
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podman volume prune
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Remove all unused volumes. Will prompt for confirmation if not
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using force.
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`
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var volumePruneFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "force, f",
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Usage: "Do not prompt for confirmation",
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},
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}
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var volumePruneCommand = cli.Command{
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Name: "prune",
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Usage: "Remove all unused volumes",
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Description: volumePruneDescription,
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Flags: volumePruneFlags,
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Action: volumePruneCmd,
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SkipArgReorder: true,
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UseShortOptionHandling: true,
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}
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func volumePrune(runtime *adapter.LocalRuntime, ctx context.Context) error {
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var lastError error
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volumes, err := runtime.GetAllVolumes()
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if err != nil {
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return err
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}
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for _, vol := range volumes {
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err = runtime.RemoveVolume(ctx, vol, false, true)
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if err == nil {
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fmt.Println(vol.Name())
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} else if err != libpod.ErrVolumeBeingUsed {
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if lastError != nil {
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logrus.Errorf("%q", lastError)
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}
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lastError = errors.Wrapf(err, "failed to remove volume %q", vol.Name())
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}
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}
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return lastError
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}
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func volumePruneCmd(c *cli.Context) error {
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if err := validateFlags(c, volumePruneFlags); err != nil {
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return err
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}
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runtime, err := adapter.GetRuntime(c)
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if err != nil {
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return errors.Wrapf(err, "error creating libpod runtime")
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}
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defer runtime.Shutdown(false)
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// Prompt for confirmation if --force is not set
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if !c.Bool("force") {
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reader := bufio.NewReader(os.Stdin)
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fmt.Println("WARNING! This will remove all volumes not used by at least one container.")
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fmt.Print("Are you sure you want to continue? [y/N] ")
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ans, err := reader.ReadString('\n')
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if err != nil {
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return errors.Wrapf(err, "error reading input")
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}
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if strings.ToLower(ans)[0] != 'y' {
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return nil
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}
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}
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return volumePrune(runtime, getContext())
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}
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