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moby--moby/daemon/mounts.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

53 lines
1.4 KiB
Go

package daemon // import "github.com/docker/docker/daemon"
import (
"fmt"
"strings"
mounttypes "github.com/docker/docker/api/types/mount"
"github.com/docker/docker/container"
volumestore "github.com/docker/docker/volume/store"
)
func (daemon *Daemon) prepareMountPoints(container *container.Container) error {
for _, config := range container.MountPoints {
if err := daemon.lazyInitializeVolume(container.ID, config); err != nil {
return err
}
}
return nil
}
func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error {
var rmErrors []string
for _, m := range container.MountPoints {
if m.Type != mounttypes.TypeVolume || m.Volume == nil {
continue
}
daemon.volumes.Dereference(m.Volume, container.ID)
if !rm {
continue
}
// Do not remove named mountpoints
// these are mountpoints specified like `docker run -v <name>:/foo`
if m.Spec.Source != "" {
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
}