github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/daemon/mounts.go (about) 1 package daemon // import "github.com/docker/docker/daemon" 2 3 import ( 4 "context" 5 "fmt" 6 "strings" 7 8 mounttypes "github.com/docker/docker/api/types/mount" 9 "github.com/docker/docker/container" 10 volumesservice "github.com/docker/docker/volume/service" 11 ) 12 13 func (daemon *Daemon) prepareMountPoints(container *container.Container) error { 14 for _, config := range container.MountPoints { 15 if err := daemon.lazyInitializeVolume(container.ID, config); err != nil { 16 return err 17 } 18 } 19 return nil 20 } 21 22 func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error { 23 var rmErrors []string 24 ctx := context.TODO() 25 for _, m := range container.MountPoints { 26 if m.Type != mounttypes.TypeVolume || m.Volume == nil { 27 continue 28 } 29 daemon.volumes.Release(ctx, m.Volume.Name(), container.ID) 30 if !rm { 31 continue 32 } 33 34 // Do not remove named mountpoints 35 // these are mountpoints specified like `docker run -v <name>:/foo` 36 if m.Spec.Source != "" { 37 continue 38 } 39 40 err := daemon.volumes.Remove(ctx, m.Volume.Name()) 41 // Ignore volume in use errors because having this 42 // volume being referenced by other container is 43 // not an error, but an implementation detail. 44 // This prevents docker from logging "ERROR: Volume in use" 45 // where there is another container using the volume. 46 if err != nil && !volumesservice.IsInUse(err) { 47 rmErrors = append(rmErrors, err.Error()) 48 } 49 } 50 51 if len(rmErrors) > 0 { 52 return fmt.Errorf("Error removing volumes:\n%v", strings.Join(rmErrors, "\n")) 53 } 54 return nil 55 }