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
}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
}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
}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
}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
}