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package volumes
import (
"context"
"fmt"
"strings"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v3/cmd/podman/common"
"github.com/containers/podman/v3/cmd/podman/registry"
"github.com/containers/podman/v3/cmd/podman/utils"
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
volumeRmDescription = `Remove one or more existing volumes.
By default only volumes that are not being used by any containers will be removed. To remove the volumes anyways, use the --force flag.`
rmCommand = &cobra.Command{
Use: "rm [options] VOLUME [VOLUME...]",
Aliases: []string{"remove"},
Short: "Remove one or more volumes",
Long: volumeRmDescription,
RunE: rm,
ValidArgsFunction: common.AutocompleteVolumes,
Example: `podman volume rm myvol1 myvol2
podman volume rm --all
podman volume rm --force myvol`,
}
)
var (
rmOptions = entities.VolumeRmOptions{}
stopTimeout uint
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: rmCommand,
Parent: volumeCmd,
})
flags := rmCommand.Flags()
flags.BoolVarP(&rmOptions.All, "all", "a", false, "Remove all volumes")
flags.BoolVarP(&rmOptions.Force, "force", "f", false, "Remove a volume by force, even if it is being used by a container")
timeFlagName := "time"
flags.UintVarP(&stopTimeout, timeFlagName, "t", containerConfig.Engine.StopTimeout, "Seconds to wait for running containers to stop before killing the container")
_ = rmCommand.RegisterFlagCompletionFunc(timeFlagName, completion.AutocompleteNone)
}
func rm(cmd *cobra.Command, args []string) error {
var (
errs utils.OutputErrors
)
if (len(args) > 0 && rmOptions.All) || (len(args) < 1 && !rmOptions.All) {
return errors.New("choose either one or more volumes or all")
}
if cmd.Flag("time").Changed {
if !rmOptions.Force {
return errors.New("--force option must be specified to use the --time option")
}
rmOptions.Timeout = &stopTimeout
}
responses, err := registry.ContainerEngine().VolumeRm(context.Background(), args, rmOptions)
if err != nil {
setExitCode(err)
return err
}
for _, r := range responses {
if r.Err == nil {
fmt.Println(r.Id)
} else {
setExitCode(r.Err)
errs = append(errs, r.Err)
}
}
return errs.PrintErrors()
}
func setExitCode(err error) {
cause := errors.Cause(err)
switch {
case cause == define.ErrNoSuchVolume:
registry.SetExitCode(1)
case strings.Contains(cause.Error(), define.ErrNoSuchVolume.Error()):
registry.SetExitCode(1)
case cause == define.ErrVolumeBeingUsed:
registry.SetExitCode(2)
case strings.Contains(cause.Error(), define.ErrVolumeBeingUsed.Error()):
registry.SetExitCode(2)
}
}
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