diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json index 262359403..b7763c3f6 100644 --- a/Godeps/Godeps.json +++ b/Godeps/Godeps.json @@ -219,6 +219,11 @@ "Comment": "v2.6.0-rc.1-130-gb38e583", "Rev": "b38e5838b7b2f2ad48e06ec4b500011976080621" }, + { + "ImportPath": "github.com/docker/docker/pkg/mount", + "Comment": "v1.13.1", + "Rev": "092cba3727bb9b4a2f0e922cd6c0f93ea270e363" + }, { "ImportPath": "github.com/docker/docker/pkg/random", "Comment": "v1.13.1", diff --git a/vendor/github.com/docker/docker/pkg/mount/flags.go b/vendor/github.com/docker/docker/pkg/mount/flags.go new file mode 100644 index 000000000..607dbed43 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/flags.go @@ -0,0 +1,149 @@ +package mount + +import ( + "fmt" + "strings" +) + +var flags = map[string]struct { + clear bool + flag int +}{ + "defaults": {false, 0}, + "ro": {false, RDONLY}, + "rw": {true, RDONLY}, + "suid": {true, NOSUID}, + "nosuid": {false, NOSUID}, + "dev": {true, NODEV}, + "nodev": {false, NODEV}, + "exec": {true, NOEXEC}, + "noexec": {false, NOEXEC}, + "sync": {false, SYNCHRONOUS}, + "async": {true, SYNCHRONOUS}, + "dirsync": {false, DIRSYNC}, + "remount": {false, REMOUNT}, + "mand": {false, MANDLOCK}, + "nomand": {true, MANDLOCK}, + "atime": {true, NOATIME}, + "noatime": {false, NOATIME}, + "diratime": {true, NODIRATIME}, + "nodiratime": {false, NODIRATIME}, + "bind": {false, BIND}, + "rbind": {false, RBIND}, + "unbindable": {false, UNBINDABLE}, + "runbindable": {false, RUNBINDABLE}, + "private": {false, PRIVATE}, + "rprivate": {false, RPRIVATE}, + "shared": {false, SHARED}, + "rshared": {false, RSHARED}, + "slave": {false, SLAVE}, + "rslave": {false, RSLAVE}, + "relatime": {false, RELATIME}, + "norelatime": {true, RELATIME}, + "strictatime": {false, STRICTATIME}, + "nostrictatime": {true, STRICTATIME}, +} + +var validFlags = map[string]bool{ + "": true, + "size": true, + "mode": true, + "uid": true, + "gid": true, + "nr_inodes": true, + "nr_blocks": true, + "mpol": true, +} + +var propagationFlags = map[string]bool{ + "bind": true, + "rbind": true, + "unbindable": true, + "runbindable": true, + "private": true, + "rprivate": true, + "shared": true, + "rshared": true, + "slave": true, + "rslave": true, +} + +// MergeTmpfsOptions merge mount options to make sure there is no duplicate. +func MergeTmpfsOptions(options []string) ([]string, error) { + // We use collisions maps to remove duplicates. + // For flag, the key is the flag value (the key for propagation flag is -1) + // For data=value, the key is the data + flagCollisions := map[int]bool{} + dataCollisions := map[string]bool{} + + var newOptions []string + // We process in reverse order + for i := len(options) - 1; i >= 0; i-- { + option := options[i] + if option == "defaults" { + continue + } + if f, ok := flags[option]; ok && f.flag != 0 { + // There is only one propagation mode + key := f.flag + if propagationFlags[option] { + key = -1 + } + // Check to see if there is collision for flag + if !flagCollisions[key] { + // We prepend the option and add to collision map + newOptions = append([]string{option}, newOptions...) + flagCollisions[key] = true + } + continue + } + opt := strings.SplitN(option, "=", 2) + if len(opt) != 2 || !validFlags[opt[0]] { + return nil, fmt.Errorf("Invalid tmpfs option %q", opt) + } + if !dataCollisions[opt[0]] { + // We prepend the option and add to collision map + newOptions = append([]string{option}, newOptions...) + dataCollisions[opt[0]] = true + } + } + + return newOptions, nil +} + +// Parse fstab type mount options into mount() flags +// and device specific data +func parseOptions(options string) (int, string) { + var ( + flag int + data []string + ) + + for _, o := range strings.Split(options, ",") { + // If the option does not exist in the flags table or the flag + // is not supported on the platform, + // then it is a data value for a specific fs type + if f, exists := flags[o]; exists && f.flag != 0 { + if f.clear { + flag &= ^f.flag + } else { + flag |= f.flag + } + } else { + data = append(data, o) + } + } + return flag, strings.Join(data, ",") +} + +// ParseTmpfsOptions parse fstab type mount options into flags and data +func ParseTmpfsOptions(options string) (int, string, error) { + flags, data := parseOptions(options) + for _, o := range strings.Split(data, ",") { + opt := strings.SplitN(o, "=", 2) + if !validFlags[opt[0]] { + return 0, "", fmt.Errorf("Invalid tmpfs option %q", opt) + } + } + return flags, data, nil +} diff --git a/vendor/github.com/docker/docker/pkg/mount/flags_freebsd.go b/vendor/github.com/docker/docker/pkg/mount/flags_freebsd.go new file mode 100644 index 000000000..f166cb2f7 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/flags_freebsd.go @@ -0,0 +1,48 @@ +// +build freebsd,cgo + +package mount + +/* +#include +*/ +import "C" + +const ( + // RDONLY will mount the filesystem as read-only. + RDONLY = C.MNT_RDONLY + + // NOSUID will not allow set-user-identifier or set-group-identifier bits to + // take effect. + NOSUID = C.MNT_NOSUID + + // NOEXEC will not allow execution of any binaries on the mounted file system. + NOEXEC = C.MNT_NOEXEC + + // SYNCHRONOUS will allow any I/O to the file system to be done synchronously. + SYNCHRONOUS = C.MNT_SYNCHRONOUS + + // NOATIME will not update the file access time when reading from a file. + NOATIME = C.MNT_NOATIME +) + +// These flags are unsupported. +const ( + BIND = 0 + DIRSYNC = 0 + MANDLOCK = 0 + NODEV = 0 + NODIRATIME = 0 + UNBINDABLE = 0 + RUNBINDABLE = 0 + PRIVATE = 0 + RPRIVATE = 0 + SHARED = 0 + RSHARED = 0 + SLAVE = 0 + RSLAVE = 0 + RBIND = 0 + RELATIVE = 0 + RELATIME = 0 + REMOUNT = 0 + STRICTATIME = 0 +) diff --git a/vendor/github.com/docker/docker/pkg/mount/flags_linux.go b/vendor/github.com/docker/docker/pkg/mount/flags_linux.go new file mode 100644 index 000000000..dc696dce9 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/flags_linux.go @@ -0,0 +1,85 @@ +package mount + +import ( + "syscall" +) + +const ( + // RDONLY will mount the file system read-only. + RDONLY = syscall.MS_RDONLY + + // NOSUID will not allow set-user-identifier or set-group-identifier bits to + // take effect. + NOSUID = syscall.MS_NOSUID + + // NODEV will not interpret character or block special devices on the file + // system. + NODEV = syscall.MS_NODEV + + // NOEXEC will not allow execution of any binaries on the mounted file system. + NOEXEC = syscall.MS_NOEXEC + + // SYNCHRONOUS will allow I/O to the file system to be done synchronously. + SYNCHRONOUS = syscall.MS_SYNCHRONOUS + + // DIRSYNC will force all directory updates within the file system to be done + // synchronously. This affects the following system calls: create, link, + // unlink, symlink, mkdir, rmdir, mknod and rename. + DIRSYNC = syscall.MS_DIRSYNC + + // REMOUNT will attempt to remount an already-mounted file system. This is + // commonly used to change the mount flags for a file system, especially to + // make a readonly file system writeable. It does not change device or mount + // point. + REMOUNT = syscall.MS_REMOUNT + + // MANDLOCK will force mandatory locks on a filesystem. + MANDLOCK = syscall.MS_MANDLOCK + + // NOATIME will not update the file access time when reading from a file. + NOATIME = syscall.MS_NOATIME + + // NODIRATIME will not update the directory access time. + NODIRATIME = syscall.MS_NODIRATIME + + // BIND remounts a subtree somewhere else. + BIND = syscall.MS_BIND + + // RBIND remounts a subtree and all possible submounts somewhere else. + RBIND = syscall.MS_BIND | syscall.MS_REC + + // UNBINDABLE creates a mount which cannot be cloned through a bind operation. + UNBINDABLE = syscall.MS_UNBINDABLE + + // RUNBINDABLE marks the entire mount tree as UNBINDABLE. + RUNBINDABLE = syscall.MS_UNBINDABLE | syscall.MS_REC + + // PRIVATE creates a mount which carries no propagation abilities. + PRIVATE = syscall.MS_PRIVATE + + // RPRIVATE marks the entire mount tree as PRIVATE. + RPRIVATE = syscall.MS_PRIVATE | syscall.MS_REC + + // SLAVE creates a mount which receives propagation from its master, but not + // vice versa. + SLAVE = syscall.MS_SLAVE + + // RSLAVE marks the entire mount tree as SLAVE. + RSLAVE = syscall.MS_SLAVE | syscall.MS_REC + + // SHARED creates a mount which provides the ability to create mirrors of + // that mount such that mounts and unmounts within any of the mirrors + // propagate to the other mirrors. + SHARED = syscall.MS_SHARED + + // RSHARED marks the entire mount tree as SHARED. + RSHARED = syscall.MS_SHARED | syscall.MS_REC + + // RELATIME updates inode access times relative to modify or change time. + RELATIME = syscall.MS_RELATIME + + // STRICTATIME allows to explicitly request full atime updates. This makes + // it possible for the kernel to default to relatime or noatime but still + // allow userspace to override it. + STRICTATIME = syscall.MS_STRICTATIME +) diff --git a/vendor/github.com/docker/docker/pkg/mount/flags_unsupported.go b/vendor/github.com/docker/docker/pkg/mount/flags_unsupported.go new file mode 100644 index 000000000..5564f7b3c --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/flags_unsupported.go @@ -0,0 +1,30 @@ +// +build !linux,!freebsd freebsd,!cgo solaris,!cgo + +package mount + +// These flags are unsupported. +const ( + BIND = 0 + DIRSYNC = 0 + MANDLOCK = 0 + NOATIME = 0 + NODEV = 0 + NODIRATIME = 0 + NOEXEC = 0 + NOSUID = 0 + UNBINDABLE = 0 + RUNBINDABLE = 0 + PRIVATE = 0 + RPRIVATE = 0 + SHARED = 0 + RSHARED = 0 + SLAVE = 0 + RSLAVE = 0 + RBIND = 0 + RELATIME = 0 + RELATIVE = 0 + REMOUNT = 0 + STRICTATIME = 0 + SYNCHRONOUS = 0 + RDONLY = 0 +) diff --git a/vendor/github.com/docker/docker/pkg/mount/mount.go b/vendor/github.com/docker/docker/pkg/mount/mount.go new file mode 100644 index 000000000..66ac4bf47 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mount.go @@ -0,0 +1,74 @@ +package mount + +import ( + "time" +) + +// GetMounts retrieves a list of mounts for the current running process. +func GetMounts() ([]*Info, error) { + return parseMountTable() +} + +// Mounted determines if a specified mountpoint has been mounted. +// On Linux it looks at /proc/self/mountinfo and on Solaris at mnttab. +func Mounted(mountpoint string) (bool, error) { + entries, err := parseMountTable() + if err != nil { + return false, err + } + + // Search the table for the mountpoint + for _, e := range entries { + if e.Mountpoint == mountpoint { + return true, nil + } + } + return false, nil +} + +// Mount will mount filesystem according to the specified configuration, on the +// condition that the target path is *not* already mounted. Options must be +// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See +// flags.go for supported option flags. +func Mount(device, target, mType, options string) error { + flag, _ := parseOptions(options) + if flag&REMOUNT != REMOUNT { + if mounted, err := Mounted(target); err != nil || mounted { + return err + } + } + return ForceMount(device, target, mType, options) +} + +// ForceMount will mount a filesystem according to the specified configuration, +// *regardless* if the target path is not already mounted. Options must be +// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See +// flags.go for supported option flags. +func ForceMount(device, target, mType, options string) error { + flag, data := parseOptions(options) + if err := mount(device, target, mType, uintptr(flag), data); err != nil { + return err + } + return nil +} + +// Unmount will unmount the target filesystem, so long as it is mounted. +func Unmount(target string) error { + if mounted, err := Mounted(target); err != nil || !mounted { + return err + } + return ForceUnmount(target) +} + +// ForceUnmount will force an unmount of the target filesystem, regardless if +// it is mounted or not. +func ForceUnmount(target string) (err error) { + // Simple retry logic for unmount + for i := 0; i < 10; i++ { + if err = unmount(target, 0); err == nil { + return nil + } + time.Sleep(100 * time.Millisecond) + } + return +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go b/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go new file mode 100644 index 000000000..bb870e6f5 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go @@ -0,0 +1,59 @@ +package mount + +/* +#include +#include +#include +#include +#include +#include +*/ +import "C" + +import ( + "fmt" + "strings" + "syscall" + "unsafe" +) + +func allocateIOVecs(options []string) []C.struct_iovec { + out := make([]C.struct_iovec, len(options)) + for i, option := range options { + out[i].iov_base = unsafe.Pointer(C.CString(option)) + out[i].iov_len = C.size_t(len(option) + 1) + } + return out +} + +func mount(device, target, mType string, flag uintptr, data string) error { + isNullFS := false + + xs := strings.Split(data, ",") + for _, x := range xs { + if x == "bind" { + isNullFS = true + } + } + + options := []string{"fspath", target} + if isNullFS { + options = append(options, "fstype", "nullfs", "target", device) + } else { + options = append(options, "fstype", mType, "from", device) + } + rawOptions := allocateIOVecs(options) + for _, rawOption := range rawOptions { + defer C.free(rawOption.iov_base) + } + + if errno := C.nmount(&rawOptions[0], C.uint(len(options)), C.int(flag)); errno != 0 { + reason := C.GoString(C.strerror(*C.__error())) + return fmt.Errorf("Failed to call nmount: %s", reason) + } + return nil +} + +func unmount(target string, flag int) error { + return syscall.Unmount(target, flag) +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mounter_linux.go b/vendor/github.com/docker/docker/pkg/mount/mounter_linux.go new file mode 100644 index 000000000..dd4280c77 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mounter_linux.go @@ -0,0 +1,21 @@ +package mount + +import ( + "syscall" +) + +func mount(device, target, mType string, flag uintptr, data string) error { + if err := syscall.Mount(device, target, mType, flag, data); err != nil { + return err + } + + // If we have a bind mount or remount, remount... + if flag&syscall.MS_BIND == syscall.MS_BIND && flag&syscall.MS_RDONLY == syscall.MS_RDONLY { + return syscall.Mount(device, target, mType, flag|syscall.MS_REMOUNT, data) + } + return nil +} + +func unmount(target string, flag int) error { + return syscall.Unmount(target, flag) +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mounter_solaris.go b/vendor/github.com/docker/docker/pkg/mount/mounter_solaris.go new file mode 100644 index 000000000..c684aa81f --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mounter_solaris.go @@ -0,0 +1,33 @@ +// +build solaris,cgo + +package mount + +import ( + "golang.org/x/sys/unix" + "unsafe" +) + +// #include +// #include +// #include +// int Mount(const char *spec, const char *dir, int mflag, +// char *fstype, char *dataptr, int datalen, char *optptr, int optlen) { +// return mount(spec, dir, mflag, fstype, dataptr, datalen, optptr, optlen); +// } +import "C" + +func mount(device, target, mType string, flag uintptr, data string) error { + spec := C.CString(device) + dir := C.CString(target) + fstype := C.CString(mType) + _, err := C.Mount(spec, dir, C.int(flag), fstype, nil, 0, nil, 0) + C.free(unsafe.Pointer(spec)) + C.free(unsafe.Pointer(dir)) + C.free(unsafe.Pointer(fstype)) + return err +} + +func unmount(target string, flag int) error { + err := unix.Unmount(target, flag) + return err +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mounter_unsupported.go b/vendor/github.com/docker/docker/pkg/mount/mounter_unsupported.go new file mode 100644 index 000000000..a2a3bb457 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mounter_unsupported.go @@ -0,0 +1,11 @@ +// +build !linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo + +package mount + +func mount(device, target, mType string, flag uintptr, data string) error { + panic("Not implemented") +} + +func unmount(target string, flag int) error { + panic("Not implemented") +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo.go new file mode 100644 index 000000000..e3fc3535e --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo.go @@ -0,0 +1,40 @@ +package mount + +// Info reveals information about a particular mounted filesystem. This +// struct is populated from the content in the /proc//mountinfo file. +type Info struct { + // ID is a unique identifier of the mount (may be reused after umount). + ID int + + // Parent indicates the ID of the mount parent (or of self for the top of the + // mount tree). + Parent int + + // Major indicates one half of the device ID which identifies the device class. + Major int + + // Minor indicates one half of the device ID which identifies a specific + // instance of device. + Minor int + + // Root of the mount within the filesystem. + Root string + + // Mountpoint indicates the mount point relative to the process's root. + Mountpoint string + + // Opts represents mount-specific options. + Opts string + + // Optional represents optional fields. + Optional string + + // Fstype indicates the type of filesystem, such as EXT3. + Fstype string + + // Source indicates filesystem specific information or "none". + Source string + + // VfsOpts represents per super block options. + VfsOpts string +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo_freebsd.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo_freebsd.go new file mode 100644 index 000000000..4f32edcd9 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo_freebsd.go @@ -0,0 +1,41 @@ +package mount + +/* +#include +#include +#include +*/ +import "C" + +import ( + "fmt" + "reflect" + "unsafe" +) + +// Parse /proc/self/mountinfo because comparing Dev and ino does not work from +// bind mounts. +func parseMountTable() ([]*Info, error) { + var rawEntries *C.struct_statfs + + count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT)) + if count == 0 { + return nil, fmt.Errorf("Failed to call getmntinfo") + } + + var entries []C.struct_statfs + header := (*reflect.SliceHeader)(unsafe.Pointer(&entries)) + header.Cap = count + header.Len = count + header.Data = uintptr(unsafe.Pointer(rawEntries)) + + var out []*Info + for _, entry := range entries { + var mountinfo Info + mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0]) + mountinfo.Source = C.GoString(&entry.f_mntfromname[0]) + mountinfo.Fstype = C.GoString(&entry.f_fstypename[0]) + out = append(out, &mountinfo) + } + return out, nil +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo_linux.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo_linux.go new file mode 100644 index 000000000..be69fee1d --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo_linux.go @@ -0,0 +1,95 @@ +// +build linux + +package mount + +import ( + "bufio" + "fmt" + "io" + "os" + "strings" +) + +const ( + /* 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue + (1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11) + + (1) mount ID: unique identifier of the mount (may be reused after umount) + (2) parent ID: ID of parent (or of self for the top of the mount tree) + (3) major:minor: value of st_dev for files on filesystem + (4) root: root of the mount within the filesystem + (5) mount point: mount point relative to the process's root + (6) mount options: per mount options + (7) optional fields: zero or more fields of the form "tag[:value]" + (8) separator: marks the end of the optional fields + (9) filesystem type: name of filesystem of the form "type[.subtype]" + (10) mount source: filesystem specific information or "none" + (11) super options: per super block options*/ + mountinfoFormat = "%d %d %d:%d %s %s %s %s" +) + +// Parse /proc/self/mountinfo because comparing Dev and ino does not work from +// bind mounts +func parseMountTable() ([]*Info, error) { + f, err := os.Open("/proc/self/mountinfo") + if err != nil { + return nil, err + } + defer f.Close() + + return parseInfoFile(f) +} + +func parseInfoFile(r io.Reader) ([]*Info, error) { + var ( + s = bufio.NewScanner(r) + out = []*Info{} + ) + + for s.Scan() { + if err := s.Err(); err != nil { + return nil, err + } + + var ( + p = &Info{} + text = s.Text() + optionalFields string + ) + + if _, err := fmt.Sscanf(text, mountinfoFormat, + &p.ID, &p.Parent, &p.Major, &p.Minor, + &p.Root, &p.Mountpoint, &p.Opts, &optionalFields); err != nil { + return nil, fmt.Errorf("Scanning '%s' failed: %s", text, err) + } + // Safe as mountinfo encodes mountpoints with spaces as \040. + index := strings.Index(text, " - ") + postSeparatorFields := strings.Fields(text[index+3:]) + if len(postSeparatorFields) < 3 { + return nil, fmt.Errorf("Error found less than 3 fields post '-' in %q", text) + } + + if optionalFields != "-" { + p.Optional = optionalFields + } + + p.Fstype = postSeparatorFields[0] + p.Source = postSeparatorFields[1] + p.VfsOpts = strings.Join(postSeparatorFields[2:], " ") + out = append(out, p) + } + return out, nil +} + +// PidMountInfo collects the mounts for a specific process ID. If the process +// ID is unknown, it is better to use `GetMounts` which will inspect +// "/proc/self/mountinfo" instead. +func PidMountInfo(pid int) ([]*Info, error) { + f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid)) + if err != nil { + return nil, err + } + defer f.Close() + + return parseInfoFile(f) +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo_solaris.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo_solaris.go new file mode 100644 index 000000000..ad9ab57f8 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo_solaris.go @@ -0,0 +1,37 @@ +// +build solaris,cgo + +package mount + +/* +#include +#include +*/ +import "C" + +import ( + "fmt" +) + +func parseMountTable() ([]*Info, error) { + mnttab := C.fopen(C.CString(C.MNTTAB), C.CString("r")) + if mnttab == nil { + return nil, fmt.Errorf("Failed to open %s", C.MNTTAB) + } + + var out []*Info + var mp C.struct_mnttab + + ret := C.getmntent(mnttab, &mp) + for ret == 0 { + var mountinfo Info + mountinfo.Mountpoint = C.GoString(mp.mnt_mountp) + mountinfo.Source = C.GoString(mp.mnt_special) + mountinfo.Fstype = C.GoString(mp.mnt_fstype) + mountinfo.Opts = C.GoString(mp.mnt_mntopts) + out = append(out, &mountinfo) + ret = C.getmntent(mnttab, &mp) + } + + C.fclose(mnttab) + return out, nil +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo_unsupported.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo_unsupported.go new file mode 100644 index 000000000..7fbcf1921 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo_unsupported.go @@ -0,0 +1,12 @@ +// +build !windows,!linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo + +package mount + +import ( + "fmt" + "runtime" +) + +func parseMountTable() ([]*Info, error) { + return nil, fmt.Errorf("mount.parseMountTable is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) +} diff --git a/vendor/github.com/docker/docker/pkg/mount/mountinfo_windows.go b/vendor/github.com/docker/docker/pkg/mount/mountinfo_windows.go new file mode 100644 index 000000000..dab8a37ed --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mountinfo_windows.go @@ -0,0 +1,6 @@ +package mount + +func parseMountTable() ([]*Info, error) { + // Do NOT return an error! + return nil, nil +} diff --git a/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_linux.go b/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_linux.go new file mode 100644 index 000000000..8ceec84bc --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_linux.go @@ -0,0 +1,69 @@ +// +build linux + +package mount + +// MakeShared ensures a mounted filesystem has the SHARED mount option enabled. +// See the supported options in flags.go for further reference. +func MakeShared(mountPoint string) error { + return ensureMountedAs(mountPoint, "shared") +} + +// MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled. +// See the supported options in flags.go for further reference. +func MakeRShared(mountPoint string) error { + return ensureMountedAs(mountPoint, "rshared") +} + +// MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled. +// See the supported options in flags.go for further reference. +func MakePrivate(mountPoint string) error { + return ensureMountedAs(mountPoint, "private") +} + +// MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option +// enabled. See the supported options in flags.go for further reference. +func MakeRPrivate(mountPoint string) error { + return ensureMountedAs(mountPoint, "rprivate") +} + +// MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled. +// See the supported options in flags.go for further reference. +func MakeSlave(mountPoint string) error { + return ensureMountedAs(mountPoint, "slave") +} + +// MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled. +// See the supported options in flags.go for further reference. +func MakeRSlave(mountPoint string) error { + return ensureMountedAs(mountPoint, "rslave") +} + +// MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option +// enabled. See the supported options in flags.go for further reference. +func MakeUnbindable(mountPoint string) error { + return ensureMountedAs(mountPoint, "unbindable") +} + +// MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount +// option enabled. See the supported options in flags.go for further reference. +func MakeRUnbindable(mountPoint string) error { + return ensureMountedAs(mountPoint, "runbindable") +} + +func ensureMountedAs(mountPoint, options string) error { + mounted, err := Mounted(mountPoint) + if err != nil { + return err + } + + if !mounted { + if err := Mount(mountPoint, mountPoint, "none", "bind,rw"); err != nil { + return err + } + } + if _, err = Mounted(mountPoint); err != nil { + return err + } + + return ForceMount("", mountPoint, "none", options) +} diff --git a/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_solaris.go b/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_solaris.go new file mode 100644 index 000000000..09f6b03cb --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/sharedsubtree_solaris.go @@ -0,0 +1,58 @@ +// +build solaris + +package mount + +// MakeShared ensures a mounted filesystem has the SHARED mount option enabled. +// See the supported options in flags.go for further reference. +func MakeShared(mountPoint string) error { + return ensureMountedAs(mountPoint, "shared") +} + +// MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled. +// See the supported options in flags.go for further reference. +func MakeRShared(mountPoint string) error { + return ensureMountedAs(mountPoint, "rshared") +} + +// MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled. +// See the supported options in flags.go for further reference. +func MakePrivate(mountPoint string) error { + return ensureMountedAs(mountPoint, "private") +} + +// MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option +// enabled. See the supported options in flags.go for further reference. +func MakeRPrivate(mountPoint string) error { + return ensureMountedAs(mountPoint, "rprivate") +} + +// MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled. +// See the supported options in flags.go for further reference. +func MakeSlave(mountPoint string) error { + return ensureMountedAs(mountPoint, "slave") +} + +// MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled. +// See the supported options in flags.go for further reference. +func MakeRSlave(mountPoint string) error { + return ensureMountedAs(mountPoint, "rslave") +} + +// MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option +// enabled. See the supported options in flags.go for further reference. +func MakeUnbindable(mountPoint string) error { + return ensureMountedAs(mountPoint, "unbindable") +} + +// MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount +// option enabled. See the supported options in flags.go for further reference. +func MakeRUnbindable(mountPoint string) error { + return ensureMountedAs(mountPoint, "runbindable") +} + +func ensureMountedAs(mountPoint, options string) error { + // TODO: Solaris does not support bind mounts. + // Evaluate lofs and also look at the relevant + // mount flags to be supported. + return nil +}