// Unmount will perform the steps to unmount and existing volume and detach
func (driver *Driver) Unmount(volumeName, volumeID string) error {
if volumeName == "" && volumeID == "" {
return errors.New("Missing volume name or ID")
}
instances, err := storage.GetInstance()
if err != nil {
return err
}
switch {
case len(instances) == 0:
return errors.New("No instances")
case len(instances) > 1:
return errors.New("Too many instances returned, limit the storagedrivers")
}
volumes, err := storage.GetVolume(volumeID, volumeName)
if err != nil {
return err
}
switch {
case len(volumes) == 0:
return errors.New("No volumes returned by name")
case len(volumes) > 1:
return errors.New("Multiple volumes returned by name")
}
volumeAttachment, err := storage.GetVolumeAttach(volumes[0].VolumeID, instances[0].InstanceID)
if err != nil {
return err
}
if len(volumeAttachment) == 0 {
return nil
}
mounts, err := rros.GetMounts(volumeAttachment[0].DeviceName, "")
if err != nil {
return err
}
if len(mounts) == 0 {
return nil
}
err = rros.Unmount(mounts[0].Mountpoint)
if err != nil {
return err
}
err = storage.DetachVolume(false, volumes[0].VolumeID, "")
if err != nil {
return err
}
return nil
}
// Remove will remove a remote volume
func (driver *Driver) Detach(volumeName, instanceID string) error {
volume, err := storage.GetVolume("", volumeName)
if err != nil {
return err
}
return storage.DetachVolume(true, volume[0].VolumeID, instanceID)
}
log.Fatal(err)
}
fmt.Printf(string(yamlOutput))
},
}
var detachvolumeCmd = &cobra.Command{
Use: "detach-volume",
Run: func(cmd *cobra.Command, args []string) {
if volumeID == "" {
log.Fatalf("missing --volumeid")
}
err := storage.DetachVolume(runAsync, volumeID, instanceID)
if err != nil {
log.Fatal(err)
}
},
}
var copysnapshotCmd = &cobra.Command{
Use: "copy-snapshot",
Run: func(cmd *cobra.Command, args []string) {
if snapshotID == "" && volumeID == "" && volumeName == "" {
log.Fatalf("missing --volumeid or --snapshotid or --volumename")
}