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package shared
import (
"context"
"strconv"
"strings"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// Remove given set of volumes
func SharedRemoveVolumes(ctx context.Context, runtime *libpod.Runtime, vols []string, all, force bool) ([]string, map[string]error, error) {
var (
toRemove []*libpod.Volume
success []string
failed map[string]error
)
failed = make(map[string]error)
if all {
vols, err := runtime.Volumes()
if err != nil {
return nil, nil, err
}
toRemove = vols
} else {
for _, v := range vols {
vol, err := runtime.LookupVolume(v)
if err != nil {
failed[v] = err
continue
}
toRemove = append(toRemove, vol)
}
}
// We could parallelize this, but I haven't heard anyone complain about
// performance here yet, so hold off.
for _, vol := range toRemove {
if err := runtime.RemoveVolume(ctx, vol, force); err != nil {
failed[vol.Name()] = err
continue
}
success = append(success, vol.Name())
}
return success, failed, nil
}
// Handle volume options from CLI.
// Parse "o" option to find UID, GID.
func ParseVolumeOptions(opts map[string]string) ([]libpod.VolumeCreateOption, error) {
libpodOptions := []libpod.VolumeCreateOption{}
volumeOptions := make(map[string]string)
for key, value := range opts {
switch key {
case "o":
// o has special handling to parse out UID, GID.
// These are separate Libpod options.
splitVal := strings.Split(value, ",")
finalVal := []string{}
for _, o := range splitVal {
// Options will be formatted as either "opt" or
// "opt=value"
splitO := strings.SplitN(o, "=", 2)
switch strings.ToLower(splitO[0]) {
case "uid":
if len(splitO) != 2 {
return nil, errors.Wrapf(define.ErrInvalidArg, "uid option must provide a UID")
}
intUID, err := strconv.Atoi(splitO[1])
if err != nil {
return nil, errors.Wrapf(err, "cannot convert UID %s to integer", splitO[1])
}
logrus.Debugf("Removing uid= from options and adding WithVolumeUID for UID %d", intUID)
libpodOptions = append(libpodOptions, libpod.WithVolumeUID(intUID))
case "gid":
if len(splitO) != 2 {
return nil, errors.Wrapf(define.ErrInvalidArg, "gid option must provide a GID")
}
intGID, err := strconv.Atoi(splitO[1])
if err != nil {
return nil, errors.Wrapf(err, "cannot convert GID %s to integer", splitO[1])
}
logrus.Debugf("Removing gid= from options and adding WithVolumeGID for GID %d", intGID)
libpodOptions = append(libpodOptions, libpod.WithVolumeGID(intGID))
default:
finalVal = append(finalVal, o)
}
}
if len(finalVal) > 0 {
volumeOptions[key] = strings.Join(finalVal, ",")
}
default:
volumeOptions[key] = value
}
}
if len(volumeOptions) > 0 {
libpodOptions = append(libpodOptions, libpod.WithVolumeOptions(volumeOptions))
}
return libpodOptions, nil
}
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