diff --git a/vendor.conf b/vendor.conf index 657f9df265..806af938a6 100755 --- a/vendor.conf +++ b/vendor.conf @@ -12,7 +12,7 @@ github.com/creack/pty 3a6a957789163cacdfe0e291617a github.com/davecgh/go-spew 8991bc29aa16c548c550c7ff78260e27b9ab7c73 # v1.1.1 github.com/docker/compose-on-kubernetes 78e6a00beda64ac8ccb9fec787e601fe2ce0d5bb # v0.5.0-alpha1 github.com/docker/distribution 0d3efadf0154c2b8a4e7b6621fff9809655cc580 -github.com/docker/docker aaf470eca7b588aa19e6681bff8bf08d17be1bf2 +github.com/docker/docker 78e6ffd279b627ebba046b9675ff4849091d9cc3 github.com/docker/docker-credential-helpers 54f0238b6bf101fc3ad3b34114cb5520beb562f5 # v0.6.3 github.com/docker/go d30aec9fd63c35133f8f79c3412ad91a3b08be06 # Contains a customized version of canonical/json and is used by Notary. The package is periodically rebased on current Go versions. github.com/docker/go-connections 7395e3f8aa162843a74ed6d48e79627d9792ac55 # v0.4.0 diff --git a/vendor/github.com/docker/docker/api/types/types.go b/vendor/github.com/docker/docker/api/types/types.go index a6ed75de3e..55c90738c2 100644 --- a/vendor/github.com/docker/docker/api/types/types.go +++ b/vendor/github.com/docker/docker/api/types/types.go @@ -203,15 +203,16 @@ type Info struct { // LiveRestoreEnabled determines whether containers should be kept // running when the daemon is shutdown or upon daemon start if // running containers are detected - LiveRestoreEnabled bool - Isolation container.Isolation - InitBinary string - ContainerdCommit Commit - RuncCommit Commit - InitCommit Commit - SecurityOptions []string - ProductLicense string `json:",omitempty"` - Warnings []string + LiveRestoreEnabled bool + Isolation container.Isolation + InitBinary string + ContainerdCommit Commit + RuncCommit Commit + InitCommit Commit + SecurityOptions []string + ProductLicense string `json:",omitempty"` + DefaultAddressPools []NetworkAddressPool `json:",omitempty"` + Warnings []string } // KeyValue holds a key/value pair @@ -219,6 +220,12 @@ type KeyValue struct { Key, Value string } +// NetworkAddressPool is a temp struct used by Info struct +type NetworkAddressPool struct { + Base string + Size int +} + // SecurityOpt contains the name and options of a security option type SecurityOpt struct { Name string @@ -511,6 +518,16 @@ type Checkpoint struct { type Runtime struct { Path string `json:"path"` Args []string `json:"runtimeArgs,omitempty"` + + // This is exposed here only for internal use + // It is not currently supported to specify custom shim configs + Shim *ShimConfig `json:"-"` +} + +// ShimConfig is used by runtime to configure containerd shims +type ShimConfig struct { + Binary string + Opts interface{} } // DiskUsage contains response of Engine API: diff --git a/vendor/github.com/docker/docker/client/client_unix.go b/vendor/github.com/docker/docker/client/client_unix.go index 23c2e1e344..9d0f0dcbf0 100644 --- a/vendor/github.com/docker/docker/client/client_unix.go +++ b/vendor/github.com/docker/docker/client/client_unix.go @@ -1,4 +1,4 @@ -// +build linux freebsd openbsd darwin solaris illumos +// +build linux freebsd openbsd netbsd darwin solaris illumos dragonfly package client // import "github.com/docker/docker/client" diff --git a/vendor/github.com/docker/docker/pkg/archive/archive.go b/vendor/github.com/docker/docker/pkg/archive/archive.go index 86f5c02b7a..eeed674729 100644 --- a/vendor/github.com/docker/docker/pkg/archive/archive.go +++ b/vendor/github.com/docker/docker/pkg/archive/archive.go @@ -27,17 +27,6 @@ import ( "github.com/sirupsen/logrus" ) -var unpigzPath string - -func init() { - if path, err := exec.LookPath("unpigz"); err != nil { - logrus.Debug("unpigz binary not found in PATH, falling back to go gzip library") - } else { - logrus.Debugf("Using unpigz binary found at path %s", path) - unpigzPath = path - } -} - type ( // Compression is the state represents if compressed or not. Compression int @@ -158,19 +147,30 @@ func xzDecompress(ctx context.Context, archive io.Reader) (io.ReadCloser, error) } func gzDecompress(ctx context.Context, buf io.Reader) (io.ReadCloser, error) { - if unpigzPath == "" { + noPigzEnv := os.Getenv("MOBY_DISABLE_PIGZ") + var noPigz bool + + if noPigzEnv != "" { + var err error + noPigz, err = strconv.ParseBool(noPigzEnv) + if err != nil { + logrus.WithError(err).Warn("invalid value in MOBY_DISABLE_PIGZ env var") + } + } + + if noPigz { + logrus.Debugf("Use of pigz is disabled due to MOBY_DISABLE_PIGZ=%s", noPigzEnv) return gzip.NewReader(buf) } - disablePigzEnv := os.Getenv("MOBY_DISABLE_PIGZ") - if disablePigzEnv != "" { - if disablePigz, err := strconv.ParseBool(disablePigzEnv); err != nil { - return nil, err - } else if disablePigz { - return gzip.NewReader(buf) - } + unpigzPath, err := exec.LookPath("unpigz") + if err != nil { + logrus.Debugf("unpigz binary not found, falling back to go gzip library") + return gzip.NewReader(buf) } + logrus.Debugf("Using %s to decompress", unpigzPath) + return cmdStream(exec.CommandContext(ctx, unpigzPath, "-d", "-c"), buf) } diff --git a/vendor/github.com/docker/docker/pkg/archive/archive_unix.go b/vendor/github.com/docker/docker/pkg/archive/archive_unix.go index d626336032..900661423d 100644 --- a/vendor/github.com/docker/docker/pkg/archive/archive_unix.go +++ b/vendor/github.com/docker/docker/pkg/archive/archive_unix.go @@ -10,9 +10,9 @@ import ( "strings" "syscall" + "github.com/containerd/containerd/sys" "github.com/docker/docker/pkg/idtools" "github.com/docker/docker/pkg/system" - rsystem "github.com/opencontainers/runc/libcontainer/system" "golang.org/x/sys/unix" ) @@ -81,7 +81,7 @@ func getFileUIDGID(stat interface{}) (idtools.Identity, error) { // handleTarTypeBlockCharFifo is an OS-specific helper function used by // createTarFile to handle the following types of header: Block; Char; Fifo func handleTarTypeBlockCharFifo(hdr *tar.Header, path string) error { - if rsystem.RunningInUserNS() { + if sys.RunningInUserNS() { // cannot create a device if running in user namespace return nil } diff --git a/vendor/github.com/docker/docker/vendor.conf b/vendor/github.com/docker/docker/vendor.conf index 95be2d4701..5623ca449d 100644 --- a/vendor/github.com/docker/docker/vendor.conf +++ b/vendor/github.com/docker/docker/vendor.conf @@ -1,5 +1,5 @@ github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109 -github.com/Microsoft/hcsshim 5bc557dd210ff2caf615e6e22d398123de77fc11 # v0.8.9 +github.com/Microsoft/hcsshim 9dcb42f100215f8d375b4a9265e5bba009217a85 # moby branch github.com/Microsoft/go-winio 6c72808b55902eae4c5943626030429ff20f3b63 # v0.4.14 github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a github.com/golang/gddo 72a348e765d293ed6d1ded7b699591f14d6cd921 @@ -10,7 +10,6 @@ github.com/moby/term 73f35e472e8f0a3f91347164138c github.com/creack/pty 3a6a957789163cacdfe0e291617a1c8e80612c11 # v1.1.9 github.com/konsorten/go-windows-terminal-sequences edb144dfd453055e1e49a3d8b410a660b5a87613 # v1.0.3 -github.com/mattn/go-shellwords 36a9b3c57cb5caa559ff63fb7e9b585f1c00df75 # v1.0.6 github.com/sirupsen/logrus 60c74ad9be0d874af0ab0daef6ab07c5c5911f0d # v1.6.0 github.com/tchap/go-patricia a7f0089c6f496e8e70402f61733606daa326cac5 # v2.3.0 golang.org/x/net 0de0cce0169b09b364e001f108dc0399ea8630b3 @@ -18,7 +17,7 @@ golang.org/x/sys 85ca7c5b95cdf1e557abb38a283d github.com/docker/go-units 519db1ee28dcc9fd2474ae59fca29a810482bfb1 # v0.4.0 github.com/docker/go-connections 7395e3f8aa162843a74ed6d48e79627d9792ac55 # v0.4.0 github.com/moby/sys 6154f11e6840c0d6b0dbb23f4125a6134b3013c9 # mountinfo/v0.1.3 -golang.org/x/text 342b2e1fbaa52c93f31447ad2c6abc048c63e475 # v0.3.2 +golang.org/x/text 23ae387dee1f90d29a23c0e87ee0b46038fbed0e # v0.3.3 gotest.tools/v3 bb0d8a963040ea5048dcef1a14d8f8b58a33d4b3 # v3.0.2 github.com/google/go-cmp 3af367b6b30c263d47e8895973edcca9a49cf029 # v0.2.0 github.com/syndtr/gocapability d98352740cb2c55f81556b63d4a1ec64c5a319c2 @@ -28,7 +27,7 @@ github.com/imdario/mergo 1afb36080aec31e0d1528973ebe6 golang.org/x/sync cd5d95a43a6e21273425c7ae415d3df9ea832eeb # buildkit -github.com/moby/buildkit ae7ff7174f73bcb4df89b97e1623b3fb0bfb0a0c +github.com/moby/buildkit df35e9818d1f9066e616e03f4b8d727c97562e5b github.com/tonistiigi/fsutil c2c7d7b0e1441705cd802e5699c0a10b1dfe39fd github.com/grpc-ecosystem/grpc-opentracing 8e809c8a86450a29b90dcc9efbf062d0fe6d9746 github.com/opentracing/opentracing-go 1361b9cd60be79c4c3a7fa9841b3c132e40066a7 @@ -36,11 +35,12 @@ github.com/google/shlex e7afc7fbc51079733e9468cdfd1e github.com/opentracing-contrib/go-stdlib b1a47cfbdd7543e70e9ef3e73d0802ad306cc1cc github.com/mitchellh/hashstructure 2bca23e0e452137f789efbc8610126fd8b94f73b github.com/gofrs/flock 392e7fae8f1b0bdbd67dad7237d23f618feb6dbb # v0.7.1 +github.com/grpc-ecosystem/go-grpc-middleware 3c51f7f332123e8be5a157c0802a228ac85bf9db # v1.2.0 # libnetwork # When updating, also update LIBNETWORK_COMMIT in hack/dockerfile/install/proxy.installer accordingly -github.com/docker/libnetwork 2e24aed516bd5c836e11378bb457dd612aa868ed +github.com/docker/libnetwork 9e99af28df21367340c95a3863e31808d689c92a github.com/docker/go-events e31b211e4f1cd09aa76fe4ac244571fab96ae47f github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80 github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec @@ -168,7 +168,7 @@ github.com/morikuni/aec 39771216ff4c63d11f5e604076f9 # metrics github.com/docker/go-metrics b619b3592b65de4f087d9f16863a7e6ff905973c # v0.0.1 -github.com/opencontainers/selinux 0d49ba2a6aae052c614dfe5de62a158711a6c461 # v1.5.1 +github.com/opencontainers/selinux c688bba66d7ecb448819836b96f9c416da8b0746 # v1.5.2 # archive/tar diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go b/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go deleted file mode 100644 index a4ae8901ac..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/linux.go +++ /dev/null @@ -1,155 +0,0 @@ -// +build linux - -package system - -import ( - "os" - "os/exec" - "syscall" // only for exec - "unsafe" - - "github.com/opencontainers/runc/libcontainer/user" - "golang.org/x/sys/unix" -) - -// If arg2 is nonzero, set the "child subreaper" attribute of the -// calling process; if arg2 is zero, unset the attribute. When a -// process is marked as a child subreaper, all of the children -// that it creates, and their descendants, will be marked as -// having a subreaper. In effect, a subreaper fulfills the role -// of init(1) for its descendant processes. Upon termination of -// a process that is orphaned (i.e., its immediate parent has -// already terminated) and marked as having a subreaper, the -// nearest still living ancestor subreaper will receive a SIGCHLD -// signal and be able to wait(2) on the process to discover its -// termination status. -const PR_SET_CHILD_SUBREAPER = 36 - -type ParentDeathSignal int - -func (p ParentDeathSignal) Restore() error { - if p == 0 { - return nil - } - current, err := GetParentDeathSignal() - if err != nil { - return err - } - if p == current { - return nil - } - return p.Set() -} - -func (p ParentDeathSignal) Set() error { - return SetParentDeathSignal(uintptr(p)) -} - -func Execv(cmd string, args []string, env []string) error { - name, err := exec.LookPath(cmd) - if err != nil { - return err - } - - return syscall.Exec(name, args, env) -} - -func Prlimit(pid, resource int, limit unix.Rlimit) error { - _, _, err := unix.RawSyscall6(unix.SYS_PRLIMIT64, uintptr(pid), uintptr(resource), uintptr(unsafe.Pointer(&limit)), uintptr(unsafe.Pointer(&limit)), 0, 0) - if err != 0 { - return err - } - return nil -} - -func SetParentDeathSignal(sig uintptr) error { - if err := unix.Prctl(unix.PR_SET_PDEATHSIG, sig, 0, 0, 0); err != nil { - return err - } - return nil -} - -func GetParentDeathSignal() (ParentDeathSignal, error) { - var sig int - if err := unix.Prctl(unix.PR_GET_PDEATHSIG, uintptr(unsafe.Pointer(&sig)), 0, 0, 0); err != nil { - return -1, err - } - return ParentDeathSignal(sig), nil -} - -func SetKeepCaps() error { - if err := unix.Prctl(unix.PR_SET_KEEPCAPS, 1, 0, 0, 0); err != nil { - return err - } - - return nil -} - -func ClearKeepCaps() error { - if err := unix.Prctl(unix.PR_SET_KEEPCAPS, 0, 0, 0, 0); err != nil { - return err - } - - return nil -} - -func Setctty() error { - if err := unix.IoctlSetInt(0, unix.TIOCSCTTY, 0); err != nil { - return err - } - return nil -} - -// RunningInUserNS detects whether we are currently running in a user namespace. -// Originally copied from github.com/lxc/lxd/shared/util.go -func RunningInUserNS() bool { - uidmap, err := user.CurrentProcessUIDMap() - if err != nil { - // This kernel-provided file only exists if user namespaces are supported - return false - } - return UIDMapInUserNS(uidmap) -} - -func UIDMapInUserNS(uidmap []user.IDMap) bool { - /* - * We assume we are in the initial user namespace if we have a full - * range - 4294967295 uids starting at uid 0. - */ - if len(uidmap) == 1 && uidmap[0].ID == 0 && uidmap[0].ParentID == 0 && uidmap[0].Count == 4294967295 { - return false - } - return true -} - -// GetParentNSeuid returns the euid within the parent user namespace -func GetParentNSeuid() int64 { - euid := int64(os.Geteuid()) - uidmap, err := user.CurrentProcessUIDMap() - if err != nil { - // This kernel-provided file only exists if user namespaces are supported - return euid - } - for _, um := range uidmap { - if um.ID <= euid && euid <= um.ID+um.Count-1 { - return um.ParentID + euid - um.ID - } - } - return euid -} - -// SetSubreaper sets the value i as the subreaper setting for the calling process -func SetSubreaper(i int) error { - return unix.Prctl(PR_SET_CHILD_SUBREAPER, uintptr(i), 0, 0, 0) -} - -// GetSubreaper returns the subreaper setting for the calling process -func GetSubreaper() (int, error) { - var i uintptr - - if err := unix.Prctl(unix.PR_GET_CHILD_SUBREAPER, uintptr(unsafe.Pointer(&i)), 0, 0, 0); err != nil { - return -1, err - } - - return int(i), nil -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go b/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go deleted file mode 100644 index 79232a4371..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/proc.go +++ /dev/null @@ -1,113 +0,0 @@ -package system - -import ( - "fmt" - "io/ioutil" - "path/filepath" - "strconv" - "strings" -) - -// State is the status of a process. -type State rune - -const ( // Only values for Linux 3.14 and later are listed here - Dead State = 'X' - DiskSleep State = 'D' - Running State = 'R' - Sleeping State = 'S' - Stopped State = 'T' - TracingStop State = 't' - Zombie State = 'Z' -) - -// String forms of the state from proc(5)'s documentation for -// /proc/[pid]/status' "State" field. -func (s State) String() string { - switch s { - case Dead: - return "dead" - case DiskSleep: - return "disk sleep" - case Running: - return "running" - case Sleeping: - return "sleeping" - case Stopped: - return "stopped" - case TracingStop: - return "tracing stop" - case Zombie: - return "zombie" - default: - return fmt.Sprintf("unknown (%c)", s) - } -} - -// Stat_t represents the information from /proc/[pid]/stat, as -// described in proc(5) with names based on the /proc/[pid]/status -// fields. -type Stat_t struct { - // PID is the process ID. - PID uint - - // Name is the command run by the process. - Name string - - // State is the state of the process. - State State - - // StartTime is the number of clock ticks after system boot (since - // Linux 2.6). - StartTime uint64 -} - -// Stat returns a Stat_t instance for the specified process. -func Stat(pid int) (stat Stat_t, err error) { - bytes, err := ioutil.ReadFile(filepath.Join("/proc", strconv.Itoa(pid), "stat")) - if err != nil { - return stat, err - } - return parseStat(string(bytes)) -} - -// GetProcessStartTime is deprecated. Use Stat(pid) and -// Stat_t.StartTime instead. -func GetProcessStartTime(pid int) (string, error) { - stat, err := Stat(pid) - if err != nil { - return "", err - } - return fmt.Sprintf("%d", stat.StartTime), nil -} - -func parseStat(data string) (stat Stat_t, err error) { - // From proc(5), field 2 could contain space and is inside `(` and `)`. - // The following is an example: - // 89653 (gunicorn: maste) S 89630 89653 89653 0 -1 4194560 29689 28896 0 3 146 32 76 19 20 0 1 0 2971844 52965376 3920 18446744073709551615 1 1 0 0 0 0 0 16781312 137447943 0 0 0 17 1 0 0 0 0 0 0 0 0 0 0 0 0 0 - i := strings.LastIndex(data, ")") - if i <= 2 || i >= len(data)-1 { - return stat, fmt.Errorf("invalid stat data: %q", data) - } - - parts := strings.SplitN(data[:i], "(", 2) - if len(parts) != 2 { - return stat, fmt.Errorf("invalid stat data: %q", data) - } - - stat.Name = parts[1] - _, err = fmt.Sscanf(parts[0], "%d", &stat.PID) - if err != nil { - return stat, err - } - - // parts indexes should be offset by 3 from the field number given - // proc(5), because parts is zero-indexed and we've removed fields - // one (PID) and two (Name) in the paren-split. - parts = strings.Split(data[i+2:], " ") - var state int - fmt.Sscanf(parts[3-3], "%c", &state) - stat.State = State(state) - fmt.Sscanf(parts[22-3], "%d", &stat.StartTime) - return stat, nil -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go b/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go deleted file mode 100644 index c5ca5d8623..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_32.go +++ /dev/null @@ -1,26 +0,0 @@ -// +build linux -// +build 386 arm - -package system - -import ( - "golang.org/x/sys/unix" -) - -// Setuid sets the uid of the calling thread to the specified uid. -func Setuid(uid int) (err error) { - _, _, e1 := unix.RawSyscall(unix.SYS_SETUID32, uintptr(uid), 0, 0) - if e1 != 0 { - err = e1 - } - return -} - -// Setgid sets the gid of the calling thread to the specified gid. -func Setgid(gid int) (err error) { - _, _, e1 := unix.RawSyscall(unix.SYS_SETGID32, uintptr(gid), 0, 0) - if e1 != 0 { - err = e1 - } - return -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go b/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go deleted file mode 100644 index e05e30adc3..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/syscall_linux_64.go +++ /dev/null @@ -1,26 +0,0 @@ -// +build linux -// +build arm64 amd64 mips mipsle mips64 mips64le ppc ppc64 ppc64le riscv64 s390x - -package system - -import ( - "golang.org/x/sys/unix" -) - -// Setuid sets the uid of the calling thread to the specified uid. -func Setuid(uid int) (err error) { - _, _, e1 := unix.RawSyscall(unix.SYS_SETUID, uintptr(uid), 0, 0) - if e1 != 0 { - err = e1 - } - return -} - -// Setgid sets the gid of the calling thread to the specified gid. -func Setgid(gid int) (err error) { - _, _, e1 := unix.RawSyscall(unix.SYS_SETGID, uintptr(gid), 0, 0) - if e1 != 0 { - err = e1 - } - return -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig.go b/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig.go deleted file mode 100644 index b8434f1050..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig.go +++ /dev/null @@ -1,12 +0,0 @@ -// +build cgo,linux - -package system - -/* -#include -*/ -import "C" - -func GetClockTicks() int { - return int(C.sysconf(C._SC_CLK_TCK)) -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig_notcgo.go b/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig_notcgo.go deleted file mode 100644 index d93b5d5fdf..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/sysconfig_notcgo.go +++ /dev/null @@ -1,15 +0,0 @@ -// +build !cgo windows - -package system - -func GetClockTicks() int { - // TODO figure out a better alternative for platforms where we're missing cgo - // - // TODO Windows. This could be implemented using Win32 QueryPerformanceFrequency(). - // https://msdn.microsoft.com/en-us/library/windows/desktop/ms644905(v=vs.85).aspx - // - // An example of its usage can be found here. - // https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx - - return 100 -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/unsupported.go b/vendor/github.com/opencontainers/runc/libcontainer/system/unsupported.go deleted file mode 100644 index b94be74a66..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/unsupported.go +++ /dev/null @@ -1,27 +0,0 @@ -// +build !linux - -package system - -import ( - "os" - - "github.com/opencontainers/runc/libcontainer/user" -) - -// RunningInUserNS is a stub for non-Linux systems -// Always returns false -func RunningInUserNS() bool { - return false -} - -// UIDMapInUserNS is a stub for non-Linux systems -// Always returns false -func UIDMapInUserNS(uidmap []user.IDMap) bool { - return false -} - -// GetParentNSeuid returns the euid within the parent user namespace -// Always returns os.Geteuid on non-linux -func GetParentNSeuid() int { - return os.Geteuid() -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go deleted file mode 100644 index a6823fc99b..0000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/system/xattrs_linux.go +++ /dev/null @@ -1,35 +0,0 @@ -package system - -import "golang.org/x/sys/unix" - -// Returns a []byte slice if the xattr is set and nil otherwise -// Requires path and its attribute as arguments -func Lgetxattr(path string, attr string) ([]byte, error) { - var sz int - // Start with a 128 length byte array - dest := make([]byte, 128) - sz, errno := unix.Lgetxattr(path, attr, dest) - - switch { - case errno == unix.ENODATA: - return nil, errno - case errno == unix.ENOTSUP: - return nil, errno - case errno == unix.ERANGE: - // 128 byte array might just not be good enough, - // A dummy buffer is used to get the real size - // of the xattrs on disk - sz, errno = unix.Lgetxattr(path, attr, []byte{}) - if errno != nil { - return nil, errno - } - dest = make([]byte, sz) - sz, errno = unix.Lgetxattr(path, attr, dest) - if errno != nil { - return nil, errno - } - case errno != nil: - return nil, errno - } - return dest[:sz], nil -}