Golang label.FormatMountLabel函数代码示例

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本文整理汇总了Golang中github.com/dotcloud/docker/pkg/label.FormatMountLabel函数的典型用法代码示例。如果您正苦于以下问题：Golang FormatMountLabel函数的具体用法？Golang FormatMountLabel怎么用？Golang FormatMountLabel使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了FormatMountLabel函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: MountDevice

func (devices *DeviceSet) MountDevice(hash, path string, mountLabel string) error {
	devices.Lock()
	defer devices.Unlock()

	info := devices.Devices[hash]
	if info == nil {
		return fmt.Errorf("Unknown device %s", hash)
	}

	info.lock.Lock()
	defer info.lock.Unlock()

	if info.mountCount > 0 {
		if path != info.mountPath {
			return fmt.Errorf("Trying to mount devmapper device in multple places (%s, %s)", info.mountPath, path)
		}

		if info.floating {
			// Steal floating ref
			info.floating = false
		} else {
			info.mountCount++
		}
		return nil
	}

	if err := devices.activateDeviceIfNeeded(hash); err != nil {
		return fmt.Errorf("Error activating devmapper device for '%s': %s", hash, err)
	}

	var flags uintptr = sysMsMgcVal

	mountOptions := label.FormatMountLabel("discard", mountLabel)
	err := sysMount(info.DevName(), path, "ext4", flags, mountOptions)
	if err != nil && err == sysEInval {
		mountOptions = label.FormatMountLabel(mountLabel, "")
		err = sysMount(info.DevName(), path, "ext4", flags, mountOptions)
	}
	if err != nil {
		return fmt.Errorf("Error mounting '%s' on '%s': %s", info.DevName(), path, err)
	}

	info.mountCount = 1
	info.mountPath = path
	info.floating = false

	return devices.setInitialized(hash)
}

开发者ID:ribeiroit，项目名称:docker，代码行数:48，代码来源:deviceset.go

示例2: tryMount

// Try to mount using the aufs fast path, if this fails then
// append ro layers.
func (a *Driver) tryMount(ro []string, rw, target, mountLabel string) (err error) {
	var (
		rwBranch   = fmt.Sprintf("%s=rw", rw)
		roBranches = fmt.Sprintf("%s=ro+wh:", strings.Join(ro, "=ro+wh:"))
		data       = label.FormatMountLabel(fmt.Sprintf("br:%v:%v,xino=/dev/shm/aufs.xino", rwBranch, roBranches), mountLabel)
	)
	return mount("none", target, "aufs", 0, data)
}

开发者ID:jmmills，项目名称:docker，代码行数:10，代码来源:aufs.go

示例3: MountDevice

func (devices *DeviceSet) MountDevice(hash, path, mountLabel string) error {
	info, err := devices.lookupDevice(hash)
	if err != nil {
		return err
	}

	info.lock.Lock()
	defer info.lock.Unlock()

	devices.Lock()
	defer devices.Unlock()

	if info.mountCount > 0 {
		if path != info.mountPath {
			return fmt.Errorf("Trying to mount devmapper device in multple places (%s, %s)", info.mountPath, path)
		}

		info.mountCount++
		return nil
	}

	if err := devices.activateDeviceIfNeeded(info); err != nil {
		return fmt.Errorf("Error activating devmapper device for '%s': %s", hash, err)
	}

	var flags uintptr = syscall.MS_MGC_VAL

	fstype, err := ProbeFsType(info.DevName())
	if err != nil {
		return err
	}

	options := ""

	if fstype == "xfs" {
		// XFS needs nouuid or it can't mount filesystems with the same fs
		options = joinMountOptions(options, "nouuid")
	}

	options = joinMountOptions(options, devices.mountOptions)
	options = joinMountOptions(options, label.FormatMountLabel("", mountLabel))

	err = syscall.Mount(info.DevName(), path, fstype, flags, joinMountOptions("discard", options))
	if err != nil && err == syscall.EINVAL {
		err = syscall.Mount(info.DevName(), path, fstype, flags, options)
	}
	if err != nil {
		return fmt.Errorf("Error mounting '%s' on '%s': %s", info.DevName(), path, err)
	}

	info.mountCount = 1
	info.mountPath = path

	return nil
}

开发者ID:jbeda，项目名称:docker，代码行数:55，代码来源:deviceset.go

示例4: MountDevice

func (devices *DeviceSet) MountDevice(hash, path, mountLabel string) error {
	info, err := devices.lookupDevice(hash)
	if err != nil {
		return err
	}

	info.lock.Lock()
	defer info.lock.Unlock()

	devices.Lock()
	defer devices.Unlock()

	if info.mountCount > 0 {
		if path != info.mountPath {
			return fmt.Errorf("Trying to mount devmapper device in multple places (%s, %s)", info.mountPath, path)
		}

		info.mountCount++
		return nil
	}

	if err := devices.activateDeviceIfNeeded(info); err != nil {
		return fmt.Errorf("Error activating devmapper device for '%s': %s", hash, err)
	}

	var flags uintptr = sysMsMgcVal

	mountOptions := label.FormatMountLabel("discard", mountLabel)
	err = sysMount(info.DevName(), path, "ext4", flags, mountOptions)
	if err != nil && err == sysEInval {
		mountOptions = label.FormatMountLabel("", mountLabel)
		err = sysMount(info.DevName(), path, "ext4", flags, mountOptions)
	}
	if err != nil {
		return fmt.Errorf("Error mounting '%s' on '%s': %s", info.DevName(), path, err)
	}

	info.mountCount = 1
	info.mountPath = path

	return nil
}

开发者ID:jmmills，项目名称:docker，代码行数:42，代码来源:deviceset.go

示例5: aufsMount

func (a *Driver) aufsMount(ro []string, rw, target, mountLabel string) (err error) {
	defer func() {
		if err != nil {
			Unmount(target)
		}
	}()

	if err = a.tryMount(ro, rw, target, mountLabel); err != nil {
		if err = a.mountRw(rw, target, mountLabel); err != nil {
			return
		}

		for _, layer := range ro {
			data := label.FormatMountLabel(fmt.Sprintf("append:%s=ro+wh", layer), mountLabel)
			if err = mount("none", target, "aufs", MsRemount, data); err != nil {
				return
			}
		}
	}
	return
}

开发者ID:jmmills，项目名称:docker，代码行数:21，代码来源:aufs.go

示例6: mountRw

func (a *Driver) mountRw(rw, target, mountLabel string) error {
	data := label.FormatMountLabel(fmt.Sprintf("br:%s,xino=/dev/shm/aufs.xino", rw), mountLabel)
	return mount("none", target, "aufs", 0, data)
}

开发者ID:jmmills，项目名称:docker，代码行数:4，代码来源:aufs.go

示例7: newSystemMounts

// TODO: this is crappy right now and should be cleaned up with a better way of handling system and
// standard bind mounts allowing them to be more dynamic
func newSystemMounts(rootfs, mountLabel string, mounts libcontainer.Mounts) []mount {
	systemMounts := []mount{
		{source: "proc", path: filepath.Join(rootfs, "proc"), device: "proc", flags: defaultMountFlags},
		{source: "sysfs", path: filepath.Join(rootfs, "sys"), device: "sysfs", flags: defaultMountFlags},
		{source: "tmpfs", path: filepath.Join(rootfs, "dev"), device: "tmpfs", flags: syscall.MS_NOSUID | syscall.MS_STRICTATIME, data: label.FormatMountLabel("mode=755", mountLabel)},
		{source: "shm", path: filepath.Join(rootfs, "dev", "shm"), device: "tmpfs", flags: defaultMountFlags, data: label.FormatMountLabel("mode=1777,size=65536k", mountLabel)},
		{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)},
	}

	return systemMounts
}

开发者ID:Emsu，项目名称:docker，代码行数:13，代码来源:init.go

示例8: mountSystem

// mountSystem sets up linux specific system mounts like sys, proc, shm, and devpts
// inside the mount namespace
func mountSystem(rootfs string, mountLabel string) error {
	for _, m := range []struct {
		source string
		path   string
		device string
		flags  int
		data   string
	}{
		{source: "proc", path: filepath.Join(rootfs, "proc"), device: "proc", flags: defaultMountFlags},
		{source: "sysfs", path: filepath.Join(rootfs, "sys"), device: "sysfs", flags: defaultMountFlags},
		{source: "shm", path: filepath.Join(rootfs, "dev", "shm"), device: "tmpfs", flags: defaultMountFlags, data: label.FormatMountLabel("mode=1755,size=65536k", mountLabel)},
		{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)},
	} {
		if err := os.MkdirAll(m.path, 0755); err != nil && !os.IsExist(err) {
			return fmt.Errorf("mkdirall %s %s", m.path, err)
		}
		if err := system.Mount(m.source, m.path, m.device, uintptr(m.flags), m.data); err != nil {
			return fmt.Errorf("mounting %s into %s %s", m.source, m.path, err)
		}
	}
	return nil
}

开发者ID:rajatpandit，项目名称:docker，代码行数:24，代码来源:mount.go

注：本文中的github.com/dotcloud/docker/pkg/label.FormatMountLabel函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。