Golang graphdriver.FsMagic函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/docker/docker/daemon/graphdriver.FsMagic函数的典型用法代码示例。如果您正苦于以下问题：Golang FsMagic函数的具体用法？Golang FsMagic怎么用？Golang FsMagic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FsMagic函数的5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: Init

// Init returns a new BTRFS driver.
// An error is returned if BTRFS is not supported.
func Init(home string, options []string, uidMaps, gidMaps []idtools.IDMap) (graphdriver.Driver, error) {
	rootdir := path.Dir(home)

	var buf syscall.Statfs_t
	if err := syscall.Statfs(rootdir, &buf); err != nil {
		return nil, err
	}

	if graphdriver.FsMagic(buf.Type) != graphdriver.FsMagicBtrfs {
		return nil, graphdriver.ErrPrerequisites
	}

	rootUID, rootGID, err := idtools.GetRootUIDGID(uidMaps, gidMaps)
	if err != nil {
		return nil, err
	}
	if err := idtools.MkdirAllAs(home, 0700, rootUID, rootGID); err != nil {
		return nil, err
	}

	if err := mount.MakePrivate(home); err != nil {
		return nil, err
	}

	driver := &Driver{
		home:    home,
		uidMaps: uidMaps,
		gidMaps: gidMaps,
	}

	return graphdriver.NewNaiveDiffDriver(driver, uidMaps, gidMaps), nil
}

开发者ID:DaveDaCoda，项目名称:docker，代码行数:34，代码来源:btrfs.go

示例2: Init

func Init(home string, options []string) (graphdriver.Driver, error) {
	rootdir := path.Dir(home)

	var buf syscall.Statfs_t
	if err := syscall.Statfs(rootdir, &buf); err != nil {
		return nil, err
	}

	if graphdriver.FsMagic(buf.Type) != graphdriver.FsMagicBtrfs {
		return nil, graphdriver.ErrPrerequisites
	}

	if err := os.MkdirAll(home, 0700); err != nil {
		return nil, err
	}

	if err := graphdriver.MakePrivate(home); err != nil {
		return nil, err
	}

	driver := &Driver{
		home: home,
	}

	return graphdriver.NaiveDiffDriver(driver), nil
}

开发者ID:TencentSA，项目名称:docker-1.3，代码行数:26，代码来源:btrfs.go

示例3: mounted

func (a *Driver) mounted(m *data) (bool, error) {
	var buf syscall.Statfs_t
	if err := syscall.Statfs(m.path, &buf); err != nil {
		return false, nil
	}
	return graphdriver.FsMagic(buf.Type) == graphdriver.FsMagicAufs, nil
}

开发者ID:contiv，项目名称:docker，代码行数:7，代码来源:aufs.go

示例4: checkRootdirFs

func checkRootdirFs(rootdir string) error {
	var buf syscall.Statfs_t
	if err := syscall.Statfs(rootdir, &buf); err != nil {
		return fmt.Errorf("Failed to access '%s': %s", rootdir, err)
	}

	if graphdriver.FsMagic(buf.Type) != graphdriver.FsMagicZfs {
		log.Debugf("[zfs] no zfs dataset found for rootdir '%s'", rootdir)
		return graphdriver.ErrPrerequisites
	}
	return nil
}

开发者ID:AdamOssenford，项目名称:docker-pi，代码行数:12，代码来源:zfs.go

示例5: Init

// New returns a new AUFS driver.
// An error is returned if AUFS is not supported.
func Init(root string, options []string) (graphdriver.Driver, error) {
	// Try to load the aufs kernel module
	if err := supportsAufs(); err != nil {
		return nil, graphdriver.ErrNotSupported
	}

	rootdir := path.Dir(root)

	var buf syscall.Statfs_t
	if err := syscall.Statfs(rootdir, &buf); err != nil {
		return nil, fmt.Errorf("Couldn't stat the root directory: %s", err)
	}

	for _, magic := range incompatibleFsMagic {
		if graphdriver.FsMagic(buf.Type) == magic {
			return nil, graphdriver.ErrIncompatibleFS
		}
	}

	paths := []string{
		"mnt",
		"diff",
		"layers",
	}

	a := &Driver{
		root:   root,
		active: make(map[string]int),
	}

	// Create the root aufs driver dir and return
	// if it already exists
	// If not populate the dir structure
	if err := os.MkdirAll(root, 0755); err != nil {
		if os.IsExist(err) {
			return a, nil
		}
		return nil, err
	}

	if err := mountpk.MakePrivate(root); err != nil {
		return nil, err
	}

	for _, p := range paths {
		if err := os.MkdirAll(path.Join(root, p), 0755); err != nil {
			return nil, err
		}
	}
	return a, nil
}

开发者ID:harshavardhana，项目名称:docker，代码行数:53，代码来源:aufs.go

注：本文中的github.com/docker/docker/daemon/graphdriver.FsMagic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。