Golang Container.NetworkMounts方法代码示例

// setupMounts iterates through each of the mount points for a container and
// calls Setup() on each. It also looks to see if is a network mount such as
// /etc/resolv.conf, and if it is not, appends it to the array of mounts.
func (daemon *Daemon) setupMounts(c *container.Container) ([]container.Mount, error) {
	var mounts []container.Mount
	// TODO: tmpfs mounts should be part of Mountpoints
	tmpfsMounts := make(map[string]bool)
	tmpfsMountInfo, err := c.TmpfsMounts()
	if err != nil {
		return nil, err
	}
	for _, m := range tmpfsMountInfo {
		tmpfsMounts[m.Destination] = true
	}
	for _, m := range c.MountPoints {
		if tmpfsMounts[m.Destination] {
			continue
		}
		if err := daemon.lazyInitializeVolume(c.ID, m); err != nil {
			return nil, err
		}
		rootUID, rootGID := daemon.GetRemappedUIDGID()
		path, err := m.Setup(c.MountLabel, rootUID, rootGID)
		if err != nil {
			return nil, err
		}
		if !c.TrySetNetworkMount(m.Destination, path) {
			mnt := container.Mount{
				Source:      path,
				Destination: m.Destination,
				Writable:    m.RW,
				Propagation: string(m.Propagation),
			}
			if m.Volume != nil {
				attributes := map[string]string{
					"driver":      m.Volume.DriverName(),
					"container":   c.ID,
					"destination": m.Destination,
					"read/write":  strconv.FormatBool(m.RW),
					"propagation": string(m.Propagation),
				}
				daemon.LogVolumeEvent(m.Volume.Name(), "mount", attributes)
			}
			mounts = append(mounts, mnt)
		}
	}

	mounts = sortMounts(mounts)
	netMounts := c.NetworkMounts()
	// if we are going to mount any of the network files from container
	// metadata, the ownership must be set properly for potential container
	// remapped root (user namespaces)
	rootUID, rootGID := daemon.GetRemappedUIDGID()
	for _, mount := range netMounts {
		if err := os.Chown(mount.Source, rootUID, rootGID); err != nil {
			return nil, err
		}
	}
	return append(mounts, netMounts...), nil
}

// setupMounts iterates through each of the mount points for a container and
// calls Setup() on each. It also looks to see if is a network mount such as
// /etc/resolv.conf, and if it is not, appends it to the array of mounts.
func (daemon *Daemon) setupMounts(container *container.Container) ([]execdriver.Mount, error) {
	var mounts []execdriver.Mount
	for _, m := range container.MountPoints {
		path, err := m.Setup()
		if err != nil {
			return nil, err
		}
		if !container.TrySetNetworkMount(m.Destination, path) {
			mounts = append(mounts, execdriver.Mount{
				Source:      path,
				Destination: m.Destination,
				Writable:    m.RW,
			})
		}
	}

	mounts = sortMounts(mounts)
	netMounts := container.NetworkMounts()
	// if we are going to mount any of the network files from container
	// metadata, the ownership must be set properly for potential container
	// remapped root (user namespaces)
	rootUID, rootGID := daemon.GetRemappedUIDGID()
	for _, mount := range netMounts {
		if err := os.Chown(mount.Source, rootUID, rootGID); err != nil {
			return nil, err
		}
	}
	return append(mounts, netMounts...), nil
}

// setupMounts iterates through each of the mount points for a container and
// calls Setup() on each. It also looks to see if is a network mount such as
// /etc/resolv.conf, and if it is not, appends it to the array of mounts.
func (daemon *Daemon) setupMounts(container *container.Container) ([]execdriver.Mount, error) {
	var mounts []execdriver.Mount
	for _, m := range container.MountPoints {
		path, err := m.Setup()
		if err != nil {
			return nil, err
		}
		if !container.TrySetNetworkMount(m.Destination, path) {
			mnt := execdriver.Mount{
				Source:      path,
				Destination: m.Destination,
				Writable:    m.RW,
				Propagation: m.Propagation,
			}
			if m.Volume != nil {
				attributes := map[string]string{
					"driver":      m.Volume.DriverName(),
					"container":   container.ID,
					"destination": m.Destination,
					"read/write":  strconv.FormatBool(m.RW),
					"propagation": m.Propagation,
				}
				daemon.LogVolumeEvent(m.Volume.Name(), "mount", attributes)
			}
			mounts = append(mounts, mnt)
		}
	}

	mounts = sortMounts(mounts)
	netMounts := container.NetworkMounts()
	// if we are going to mount any of the network files from container
	// metadata, the ownership must be set properly for potential container
	// remapped root (user namespaces)
	rootUID, rootGID := daemon.GetRemappedUIDGID()
	for _, mount := range netMounts {
		if err := os.Chown(mount.Source, rootUID, rootGID); err != nil {
			return nil, err
		}
	}
	return append(mounts, netMounts...), nil
}