87 lines
2.4 KiB
Go
87 lines
2.4 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/cmd/podman/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var (
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volumePruneCommand cliconfig.VolumePruneValues
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volumePruneDescription = `Volumes that are not currently owned by a container will be removed.
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The command prompts for confirmation which can be overridden with the --force flag.
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Note all data will be destroyed.`
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_volumePruneCommand = &cobra.Command{
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Use: "prune",
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Args: noSubArgs,
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Short: "Remove all unused volumes",
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Long: volumePruneDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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volumePruneCommand.InputArgs = args
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volumePruneCommand.GlobalFlags = MainGlobalOpts
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volumePruneCommand.Remote = remoteclient
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return volumePruneCmd(&volumePruneCommand)
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},
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}
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)
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func init() {
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volumePruneCommand.Command = _volumePruneCommand
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volumePruneCommand.SetHelpTemplate(HelpTemplate())
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volumePruneCommand.SetUsageTemplate(UsageTemplate())
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flags := volumePruneCommand.Flags()
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flags.BoolVarP(&volumePruneCommand.Force, "force", "f", false, "Do not prompt for confirmation")
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}
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func volumePrune(runtime *adapter.LocalRuntime, ctx context.Context) error {
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prunedNames, prunedErrors := runtime.PruneVolumes(ctx)
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for _, name := range prunedNames {
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fmt.Println(name)
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}
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if len(prunedErrors) == 0 {
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return nil
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}
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// Grab the last error
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lastError := prunedErrors[len(prunedErrors)-1]
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// Remove the last error from the error slice
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prunedErrors = prunedErrors[:len(prunedErrors)-1]
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for _, err := range prunedErrors {
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logrus.Errorf("%q", err)
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}
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return lastError
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}
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func volumePruneCmd(c *cliconfig.VolumePruneValues) error {
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runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
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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.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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