70 lines
2 KiB
Go
70 lines
2 KiB
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"context"
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"fmt"
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"strings"
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"github.com/containerd/containerd/log"
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mounttypes "github.com/docker/docker/api/types/mount"
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"github.com/docker/docker/container"
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volumesservice "github.com/docker/docker/volume/service"
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)
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func (daemon *Daemon) prepareMountPoints(container *container.Container) error {
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alive := container.IsRunning()
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for _, config := range container.MountPoints {
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if err := daemon.lazyInitializeVolume(container.ID, config); err != nil {
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return err
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}
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if config.Volume == nil {
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// FIXME(thaJeztah): should we check for config.Type here as well? (i.e., skip bind-mounts etc)
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continue
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}
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if alive {
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log.G(context.TODO()).WithFields(log.Fields{
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"container": container.ID,
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"volume": config.Volume.Name(),
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}).Debug("Live-restoring volume for alive container")
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if err := config.LiveRestore(context.TODO()); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (daemon *Daemon) removeMountPoints(container *container.Container, rm bool) error {
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var rmErrors []string
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ctx := context.TODO()
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for _, m := range container.MountPoints {
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if m.Type != mounttypes.TypeVolume || m.Volume == nil {
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continue
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}
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daemon.volumes.Release(ctx, m.Volume.Name(), container.ID)
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if !rm {
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continue
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}
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// Do not remove named mountpoints
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// these are mountpoints specified like `docker run -v <name>:/foo`
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if m.Spec.Source != "" {
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continue
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}
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err := daemon.volumes.Remove(ctx, m.Volume.Name())
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// Ignore volume in use errors because having this
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// volume being referenced by other container is
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// not an error, but an implementation detail.
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// This prevents docker from logging "ERROR: Volume in use"
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// where there is another container using the volume.
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if err != nil && !volumesservice.IsInUse(err) {
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rmErrors = append(rmErrors, err.Error())
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}
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}
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if len(rmErrors) > 0 {
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return fmt.Errorf("Error removing volumes:\n%v", strings.Join(rmErrors, "\n"))
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}
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return nil
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}
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