Golang IsInUse Examples

Example #1

File: mounts.go Project: CrocdileChan/docker

func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error {
	var rmErrors []string
	for _, m := range container.MountPoints {
		if m.Volume == nil {
			continue
		}
		daemon.volumes.Dereference(m.Volume, container.ID)
		if rm {
			// Do not remove named mountpoints
			// these are mountpoints specified like `docker run -v <name>:/foo`
			if m.Named {
				continue
			}
			err := daemon.volumes.Remove(m.Volume)
			// Ignore volume in use errors because having this
			// volume being referenced by other container is
			// not an error, but an implementation detail.
			// This prevents docker from logging "ERROR: Volume in use"
			// where there is another container using the volume.
			if err != nil && !volumestore.IsInUse(err) {
				rmErrors = append(rmErrors, err.Error())
			}
		}
	}
	if len(rmErrors) > 0 {
		return fmt.Errorf("Error removing volumes:\n%v", strings.Join(rmErrors, "\n"))
	}
	return nil
}

Example #2

File: delete.go Project: Neverous/other-docker

// VolumeRm removes the volume with the given name.
// If the volume is referenced by a container it is not removed
// This is called directly from the remote API
func (daemon *Daemon) VolumeRm(name string) error {
	v, err := daemon.volumes.Get(name)
	if err != nil {
		return err
	}
	if err := daemon.volumes.Remove(v); err != nil {
		if volumestore.IsInUse(err) {
			return derr.ErrorCodeRmVolumeInUse.WithArgs(err)
		}
		return derr.ErrorCodeRmVolume.WithArgs(name, err)
	}
	return nil
}

Example #3

File: delete.go Project: DaveDaCoda/docker

// VolumeRm removes the volume with the given name.
// If the volume is referenced by a container it is not removed
// This is called directly from the remote API
func (daemon *Daemon) VolumeRm(name string) error {
	v, err := daemon.volumes.Get(name)
	if err != nil {
		return err
	}

	if err := daemon.volumes.Remove(v); err != nil {
		if volumestore.IsInUse(err) {
			return derr.ErrorCodeRmVolumeInUse.WithArgs(err)
		}
		return derr.ErrorCodeRmVolume.WithArgs(name, err)
	}
	daemon.LogVolumeEvent(v.Name(), "destroy", map[string]string{"driver": v.DriverName()})
	return nil
}

Example #4

File: delete.go Project: contiv/docker

// VolumeRm removes the volume with the given name.
// If the volume is referenced by a container it is not removed
// This is called directly from the remote API
func (daemon *Daemon) VolumeRm(name string) error {
	v, err := daemon.volumes.Get(name)
	if err != nil {
		return err
	}

	if err := daemon.volumes.Remove(v); err != nil {
		if volumestore.IsInUse(err) {
			err := fmt.Errorf("Unable to remove volume, volume still in use: %v", err)
			return errors.NewRequestConflictError(err)
		}
		return fmt.Errorf("Error while removing volume %s: %v", name, err)
	}
	daemon.LogVolumeEvent(v.Name(), "destroy", map[string]string{"driver": v.DriverName()})
	return nil
}

Example #5

File: mounts.go Project: nishanttotla/docker

func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error {
	var rmErrors []string
	for _, m := range container.MountPoints {
		if m.Volume == nil {
			continue
		}
		daemon.volumes.Dereference(m.Volume, container.ID)
		if rm {
			err := daemon.volumes.Remove(m.Volume)
			// Ignore volume in use errors because having this
			// volume being referenced by other container is
			// not an error, but an implementation detail.
			// This prevents docker from logging "ERROR: Volume in use"
			// where there is another container using the volume.
			if err != nil && !volumestore.IsInUse(err) {
				rmErrors = append(rmErrors, err.Error())
			}
		}
	}
	if len(rmErrors) > 0 {
		return derr.ErrorCodeRemovingVolume.WithArgs(strings.Join(rmErrors, "\n"))
	}
	return nil
}