github.com/rawahars/moby@v24.0.4+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 "github.com/containerd/containerd/log" 9 mounttypes "github.com/docker/docker/api/types/mount" 10 "github.com/docker/docker/container" 11 volumesservice "github.com/docker/docker/volume/service" 12 "github.com/sirupsen/logrus" 13 ) 14 15 func (daemon *Daemon) prepareMountPoints(container *container.Container) error { 16 alive := container.IsRunning() 17 for _, config := range container.MountPoints { 18 if err := daemon.lazyInitializeVolume(container.ID, config); err != nil { 19 return err 20 } 21 if config.Volume == nil { 22 // FIXME(thaJeztah): should we check for config.Type here as well? (i.e., skip bind-mounts etc) 23 continue 24 } 25 if alive { 26 log.G(context.TODO()).WithFields(logrus.Fields{ 27 "container": container.ID, 28 "volume": config.Volume.Name(), 29 }).Debug("Live-restoring volume for alive container") 30 if err := config.LiveRestore(context.TODO()); err != nil { 31 return err 32 } 33 } 34 } 35 return nil 36 } 37 38 func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error { 39 var rmErrors []string 40 ctx := context.TODO() 41 for _, m := range container.MountPoints { 42 if m.Type != mounttypes.TypeVolume || m.Volume == nil { 43 continue 44 } 45 daemon.volumes.Release(ctx, m.Volume.Name(), container.ID) 46 if !rm { 47 continue 48 } 49 50 // Do not remove named mountpoints 51 // these are mountpoints specified like `docker run -v <name>:/foo` 52 if m.Spec.Source != "" { 53 continue 54 } 55 56 err := daemon.volumes.Remove(ctx, m.Volume.Name()) 57 // Ignore volume in use errors because having this 58 // volume being referenced by other container is 59 // not an error, but an implementation detail. 60 // This prevents docker from logging "ERROR: Volume in use" 61 // where there is another container using the volume. 62 if err != nil && !volumesservice.IsInUse(err) { 63 rmErrors = append(rmErrors, err.Error()) 64 } 65 } 66 67 if len(rmErrors) > 0 { 68 return fmt.Errorf("Error removing volumes:\n%v", strings.Join(rmErrors, "\n")) 69 } 70 return nil 71 }