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Merge pull request #16989 from tiborvass/bump-libcontainer-for-docker-1.9

Browse source 
Bump libcontainer to 6c198ae2d065c37f44316e0de3df7f3b88950923
This commit is contained in:
Michael Crosby 2015-10-13 16:56:19 -07:00
commit 3ad9cc996a
9 changed files with 253 additions and 57 deletions
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2
hack/vendor.sh
View file

@ -46,7 +46,7 @@ clone git github.com/endophage/gotuf 9bcdad0308e34a49f38448b8ad436ad8860825ce
clone git github.com/jfrazelle/go 6e461eb70cb4187b41a84e9a567d7137bdbe0f16
clone git github.com/agl/ed25519 d2b94fd789ea21d12fac1a4443dd3a3f79cda72c
clone git github.com/opencontainers/runc f152edcb1ca7877dd6e3febddd1b03ad4335e7bb # libcontainer
clone git github.com/opencontainers/runc 6c198ae2d065c37f44316e0de3df7f3b88950923 # libcontainer
# libcontainer deps (see src/github.com/opencontainers/runc/Godeps/Godeps.json)
clone git github.com/coreos/go-systemd v3
clone git github.com/godbus/dbus v2

2
vendor/src/github.com/opencontainers/runc/libcontainer/cgroups/fs/apply_raw.go vendored
View file

@ -213,7 +213,7 @@ func (m *Manager) GetPids() ([]int, error) {
return nil, err
}
return cgroups.ReadProcsFile(dir)
return cgroups.GetPids(dir)
}
func getCgroupData(c *configs.Cgroup, pid int) (*data, error) {

5
vendor/src/github.com/opencontainers/runc/libcontainer/cgroups/systemd/apply_systemd.go vendored
View file

@ -411,12 +411,11 @@ func (m *Manager) Freeze(state configs.FreezerState) error {
}
func (m *Manager) GetPids() ([]int, error) {
path, err := getSubsystemPath(m.Cgroups, "cpu")
path, err := getSubsystemPath(m.Cgroups, "devices")
if err != nil {
return nil, err
}
return cgroups.ReadProcsFile(path)
return cgroups.GetPids(path)
}
func (m *Manager) GetStats() (*cgroups.Stats, error) {

25
vendor/src/github.com/opencontainers/runc/libcontainer/cgroups/utils.go vendored
View file

@ -193,7 +193,7 @@ func GetInitCgroupDir(subsystem string) (string, error) {
return getControllerPath(subsystem, cgroups)
}
func ReadProcsFile(dir string) ([]int, error) {
func readProcsFile(dir string) ([]int, error) {
f, err := os.Open(filepath.Join(dir, "cgroup.procs"))
if err != nil {
return nil, err
@ -322,3 +322,26 @@ func GetHugePageSize() ([]string, error) {
return pageSizes, nil
}
// GetPids returns all pids, that were added to cgroup at path and to all its
// subcgroups.
func GetPids(path string) ([]int, error) {
var pids []int
// collect pids from all sub-cgroups
err := filepath.Walk(path, func(p string, info os.FileInfo, iErr error) error {
dir, file := filepath.Split(p)
if file != "cgroup.procs" {
return nil
}
if iErr != nil {
return iErr
}
cPids, err := readProcsFile(dir)
if err != nil {
return err
}
pids = append(pids, cPids...)
return nil
})
return pids, err
}

60
vendor/src/github.com/opencontainers/runc/libcontainer/container_linux.go vendored
View file

@ -289,14 +289,45 @@ func addArgsFromEnv(evar string, args *[]string) {
fmt.Printf(">>> criu %v\n", *args)
}
func (c *linuxContainer) checkCriuVersion() error {
var x, y, z int
// check Criu version greater than or equal to min_version
func (c *linuxContainer) checkCriuVersion(min_version string) error {
var x, y, z, versionReq int
_, err := fmt.Sscanf(min_version, "%d.%d.%d\n", &x, &y, &z) // 1.5.2
if err != nil {
_, err = fmt.Sscanf(min_version, "Version: %d.%d\n", &x, &y) // 1.6
}
versionReq = x*10000 + y*100 + z
out, err := exec.Command(c.criuPath, "-V").Output()
if err != nil {
return fmt.Errorf("Unable to execute CRIU command: %s", c.criuPath)
}
x = 0
y = 0
z = 0
if ep := strings.Index(string(out), "-"); ep >= 0 {
// criu Git version format
var version string
if sp := strings.Index(string(out), "GitID"); sp > 0 {
version = string(out)[sp:ep]
} else {
return fmt.Errorf("Unable to parse the CRIU version: %s", c.criuPath)
}
n, err := fmt.Sscanf(string(version), "GitID: v%d.%d.%d", &x, &y, &z) // 1.5.2
if err != nil {
n, err = fmt.Sscanf(string(version), "GitID: v%d.%d", &x, &y) // 1.6
y++
} else {
z++
}
if n < 2 || err != nil {
return fmt.Errorf("Unable to parse the CRIU version: %s %d %s", version, n, err)
}
} else {
// criu release version format
n, err := fmt.Sscanf(string(out), "Version: %d.%d.%d\n", &x, &y, &z) // 1.5.2
if err != nil {
n, err = fmt.Sscanf(string(out), "Version: %d.%d\n", &x, &y) // 1.6
@ -304,9 +335,10 @@ func (c *linuxContainer) checkCriuVersion() error {
if n < 2 || err != nil {
return fmt.Errorf("Unable to parse the CRIU version: %s %d %s", out, n, err)
}
}
if x*10000+y*100+z < 10502 {
return fmt.Errorf("CRIU version must be 1.5.2 or higher")
if x*10000+y*100+z < versionReq {
return fmt.Errorf("CRIU version must be %s or higher", min_version)
}
return nil
@ -331,7 +363,7 @@ func (c *linuxContainer) Checkpoint(criuOpts *CriuOpts) error {
c.m.Lock()
defer c.m.Unlock()
if err := c.checkCriuVersion(); err != nil {
if err := c.checkCriuVersion("1.5.2"); err != nil {
return err
}
@ -389,6 +421,14 @@ func (c *linuxContainer) Checkpoint(criuOpts *CriuOpts) error {
}
}
// append optional manage cgroups mode
if criuOpts.ManageCgroupsMode != 0 {
if err := c.checkCriuVersion("1.7"); err != nil {
return err
}
rpcOpts.ManageCgroupsMode = proto.Uint32(uint32(criuOpts.ManageCgroupsMode))
}
t := criurpc.CriuReqType_DUMP
req := &criurpc.CriuReq{
Type: &t,
@ -448,7 +488,7 @@ func (c *linuxContainer) Restore(process *Process, criuOpts *CriuOpts) error {
c.m.Lock()
defer c.m.Unlock()
if err := c.checkCriuVersion(); err != nil {
if err := c.checkCriuVersion("1.5.2"); err != nil {
return err
}
@ -553,6 +593,14 @@ func (c *linuxContainer) Restore(process *Process, criuOpts *CriuOpts) error {
req.Opts.Veths = append(req.Opts.Veths, veth)
}
// append optional manage cgroups mode
if criuOpts.ManageCgroupsMode != 0 {
if err := c.checkCriuVersion("1.7"); err != nil {
return err
}
req.Opts.ManageCgroupsMode = proto.Uint32(uint32(criuOpts.ManageCgroupsMode))
}
var (
fds []string
fdJSON []byte

11
vendor/src/github.com/opencontainers/runc/libcontainer/criu_opts.go vendored
View file

@ -1,5 +1,15 @@
package libcontainer
// cgroup restoring strategy provided by criu
type cg_mode uint32
const (
CRIU_CG_MODE_SOFT cg_mode = 3 + iota // restore cgroup properties if only dir created by criu
CRIU_CG_MODE_FULL // always restore all cgroups and their properties
CRIU_CG_MODE_STRICT // restore all, requiring them to not present in the system
CRIU_CG_MODE_DEFAULT // the same as CRIU_CG_MODE_SOFT
)
type CriuPageServerInfo struct {
Address string // IP address of CRIU page server
Port int32 // port number of CRIU page server
@ -20,4 +30,5 @@ type CriuOpts struct {
FileLocks bool // handle file locks, for safety
PageServer CriuPageServerInfo // allow to dump to criu page server
VethPairs []VethPairName // pass the veth to criu when restore
ManageCgroupsMode cg_mode // dump or restore cgroup mode
}

103
vendor/src/github.com/opencontainers/runc/libcontainer/criurpc/criurpc.pb.go vendored
View file

@ -2,15 +2,33 @@
// source: criurpc.proto
// DO NOT EDIT!
/*
Package criurpc is a generated protocol buffer package.
It is generated from these files:
criurpc.proto
It has these top-level messages:
CriuPageServerInfo
CriuVethPair
ExtMountMap
InheritFd
CgroupRoot
UnixSk
CriuOpts
CriuDumpResp
CriuRestoreResp
CriuNotify
CriuReq
CriuResp
*/
package criurpc
import proto "github.com/golang/protobuf/proto"
import json "encoding/json"
import math "math"
// Reference proto, json, and math imports to suppress error if they are not otherwise used.
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = &json.SyntaxError{}
var _ = math.Inf
type CriuReqType int32
@ -58,9 +76,6 @@ func (x CriuReqType) Enum() *CriuReqType {
func (x CriuReqType) String() string {
return proto.EnumName(CriuReqType_name, int32(x))
}
func (x CriuReqType) MarshalJSON() ([]byte, error) {
return json.Marshal(x.String())
}
func (x *CriuReqType) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(CriuReqType_value, data, "CriuReqType")
if err != nil {
@ -206,6 +221,22 @@ func (m *CgroupRoot) GetPath() string {
return ""
}
type UnixSk struct {
Inode *uint32 `protobuf:"varint,1,req,name=inode" json:"inode,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *UnixSk) Reset() { *m = UnixSk{} }
func (m *UnixSk) String() string { return proto.CompactTextString(m) }
func (*UnixSk) ProtoMessage() {}
func (m *UnixSk) GetInode() uint32 {
if m != nil && m.Inode != nil {
return *m.Inode
}
return 0
}
type CriuOpts struct {
ImagesDirFd *int32 `protobuf:"varint,1,req,name=images_dir_fd" json:"images_dir_fd,omitempty"`
Pid *int32 `protobuf:"varint,2,opt,name=pid" json:"pid,omitempty"`
@ -234,6 +265,13 @@ type CriuOpts struct {
CgRoot []*CgroupRoot `protobuf:"bytes,25,rep,name=cg_root" json:"cg_root,omitempty"`
RstSibling *bool `protobuf:"varint,26,opt,name=rst_sibling" json:"rst_sibling,omitempty"`
InheritFd []*InheritFd `protobuf:"bytes,27,rep,name=inherit_fd" json:"inherit_fd,omitempty"`
AutoExtMnt *bool `protobuf:"varint,28,opt,name=auto_ext_mnt" json:"auto_ext_mnt,omitempty"`
ExtSharing *bool `protobuf:"varint,29,opt,name=ext_sharing" json:"ext_sharing,omitempty"`
ExtMasters *bool `protobuf:"varint,30,opt,name=ext_masters" json:"ext_masters,omitempty"`
SkipMnt []string `protobuf:"bytes,31,rep,name=skip_mnt" json:"skip_mnt,omitempty"`
EnableFs []string `protobuf:"bytes,32,rep,name=enable_fs" json:"enable_fs,omitempty"`
UnixSkIno []*UnixSk `protobuf:"bytes,33,rep,name=unix_sk_ino" json:"unix_sk_ino,omitempty"`
ManageCgroupsMode *uint32 `protobuf:"varint,34,opt,name=manage_cgroups_mode" json:"manage_cgroups_mode,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -433,6 +471,55 @@ func (m *CriuOpts) GetInheritFd() []*InheritFd {
return nil
}
func (m *CriuOpts) GetAutoExtMnt() bool {
if m != nil && m.AutoExtMnt != nil {
return *m.AutoExtMnt
}
return false
}
func (m *CriuOpts) GetExtSharing() bool {
if m != nil && m.ExtSharing != nil {
return *m.ExtSharing
}
return false
}
func (m *CriuOpts) GetExtMasters() bool {
if m != nil && m.ExtMasters != nil {
return *m.ExtMasters
}
return false
}
func (m *CriuOpts) GetSkipMnt() []string {
if m != nil {
return m.SkipMnt
}
return nil
}
func (m *CriuOpts) GetEnableFs() []string {
if m != nil {
return m.EnableFs
}
return nil
}
func (m *CriuOpts) GetUnixSkIno() []*UnixSk {
if m != nil {
return m.UnixSkIno
}
return nil
}
func (m *CriuOpts) GetManageCgroupsMode() uint32 {
if m != nil && m.ManageCgroupsMode != nil {
return *m.ManageCgroupsMode
}
return 0
}
type CriuDumpResp struct {
Restored *bool `protobuf:"varint,1,opt,name=restored" json:"restored,omitempty"`
XXX_unrecognized []byte `json:"-"`
@ -509,7 +596,7 @@ func (m *CriuReq) GetType() CriuReqType {
if m != nil && m.Type != nil {
return *m.Type
}
return 0
return CriuReqType_EMPTY
}
func (m *CriuReq) GetOpts() *CriuOpts {
@ -552,7 +639,7 @@ func (m *CriuResp) GetType() CriuReqType {
if m != nil && m.Type != nil {
return *m.Type
}
return 0
return CriuReqType_EMPTY
}
func (m *CriuResp) GetSuccess() bool {

19
vendor/src/github.com/opencontainers/runc/libcontainer/criurpc/criurpc.proto vendored
View file

@ -25,6 +25,10 @@ message cgroup_root {
required string path = 2;
};
message unix_sk {
required uint32 inode = 1;
};
message criu_opts {
required int32 images_dir_fd = 1;
optional int32 pid = 2; /* if not set on dump, will dump requesting process */
@ -56,11 +60,22 @@ message criu_opts {
repeated string exec_cmd = 22;
repeated ext_mount_map ext_mnt = 23;
optional bool manage_cgroups = 24;
optional bool manage_cgroups = 24; /* backward compatibility */
repeated cgroup_root cg_root = 25;
optional bool rst_sibling = 26; /* swrk only */
repeated inherit_fd inherit_fd = 27;
repeated inherit_fd inherit_fd = 27; /* swrk only */
optional bool auto_ext_mnt = 28;
optional bool ext_sharing = 29;
optional bool ext_masters = 30;
repeated string skip_mnt = 31;
repeated string enable_fs = 32;
repeated unix_sk unix_sk_ino = 33;
optional uint32 manage_cgroups_mode = 34;
}
message criu_dump_resp {

15
vendor/src/github.com/opencontainers/runc/libcontainer/label/label_selinux.go vendored
View file

@ -9,6 +9,15 @@ import (
"github.com/opencontainers/runc/libcontainer/selinux"
)
// Valid Label Options
var validOptions = map[string]bool{
"disable": true,
"type": true,
"user": true,
"role": true,
"level": true,
}
var ErrIncompatibleLabel = fmt.Errorf("Bad SELinux option z and Z can not be used together")
// InitLabels returns the process label and file labels to be used within
@ -28,9 +37,13 @@ func InitLabels(options []string) (string, string, error) {
return "", "", nil
}
if i := strings.Index(opt, ":"); i == -1 {
return "", "", fmt.Errorf("Bad SELinux Option")
return "", "", fmt.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type' followed by ':' and a value", opt)
}
con := strings.SplitN(opt, ":", 2)
if !validOptions[con[0]] {
return "", "", fmt.Errorf("Bad label option %q, valid options 'disable, user, role, level, type'", con[0])
}
pcon[con[0]] = con[1]
if con[0] == "level" || con[0] == "user" {
mcon[con[0]] = con[1]