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merge branch 'pr-1535' 

LGTMs: @avagin @cyphar
Closes #1535
This commit is contained in:
Aleksa Sarai 2017-08-05 13:33:07 +10:00
parent 22bbec1b7f 5d386f6e2b
commit 45bde006ca
No known key found for this signature in database
GPG Key ID: 9E18AA267DDB8DB4
3 changed files with 377 additions and 174 deletions
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138
libcontainer/container_linux.go
View File

@ -546,7 +546,8 @@ func (c *linuxContainer) checkCriuFeatures(criuOpts *CriuOpts, rpcOpts *criurpc.
var t criurpc.CriuReqType
t = criurpc.CriuReqType_FEATURE_CHECK
if err := c.checkCriuVersion("1.8"); err != nil {
// criu 1.8 => 10800
if err := c.checkCriuVersion(10800); err != nil {
// Feature checking was introduced with CRIU 1.8.
// Ignore the feature check if an older CRIU version is used
// and just act as before.
@ -589,22 +590,12 @@ func (c *linuxContainer) checkCriuFeatures(criuOpts *CriuOpts, rpcOpts *criurpc.
return nil
}
// checkCriuVersion checks Criu version greater than or equal to minVersion
func (c *linuxContainer) checkCriuVersion(minVersion string) error {
var x, y, z, versionReq int
func parseCriuVersion(path string) (int, error) {
var x, y, z int
_, err := fmt.Sscanf(minVersion, "%d.%d.%d\n", &x, &y, &z) // 1.5.2
out, err := exec.Command(path, "-V").Output()
if err != nil {
_, err = fmt.Sscanf(minVersion, "Version: %d.%d\n", &x, &y) // 1.6
if err != nil {
return fmt.Errorf("Unable to parse the CRIU min version: %s", minVersion)
}
}
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)
return 0, fmt.Errorf("Unable to execute CRIU command: %s", path)
}
x = 0
@ -616,7 +607,7 @@ func (c *linuxContainer) checkCriuVersion(minVersion string) error {
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)
return 0, fmt.Errorf("Unable to parse the CRIU version: %s", path)
}
n, err := fmt.Sscanf(string(version), "GitID: v%d.%d.%d", &x, &y, &z) // 1.5.2
@ -627,7 +618,7 @@ func (c *linuxContainer) checkCriuVersion(minVersion string) error {
z++
}
if n < 2 || err != nil {
return fmt.Errorf("Unable to parse the CRIU version: %s %d %s", version, n, err)
return 0, fmt.Errorf("Unable to parse the CRIU version: %s %d %s", version, n, err)
}
} else {
// criu release version format
@ -636,19 +627,81 @@ func (c *linuxContainer) checkCriuVersion(minVersion string) error {
n, err = fmt.Sscanf(string(out), "Version: %d.%d\n", &x, &y) // 1.6
}
if n < 2 || err != nil {
return fmt.Errorf("Unable to parse the CRIU version: %s %d %s", out, n, err)
return 0, fmt.Errorf("Unable to parse the CRIU version: %s %d %s", out, n, err)
}
}
c.criuVersion = x*10000 + y*100 + z
return x*10000 + y*100 + z, nil
}
if c.criuVersion < versionReq {
return fmt.Errorf("CRIU version %d must be %d or higher", c.criuVersion, versionReq)
func compareCriuVersion(criuVersion int, minVersion int) error {
// simple function to perform the actual version compare
if criuVersion < minVersion {
return fmt.Errorf("CRIU version %d must be %d or higher", criuVersion, minVersion)
}
return nil
}
// This is used to store the result of criu version RPC
var criuVersionRPC *criurpc.CriuVersion
// checkCriuVersion checks Criu version greater than or equal to minVersion
func (c *linuxContainer) checkCriuVersion(minVersion int) error {
// If the version of criu has already been determined there is no need
// to ask criu for the version again. Use the value from c.criuVersion.
if c.criuVersion != 0 {
return compareCriuVersion(c.criuVersion, minVersion)
}
// First try if this version of CRIU support the version RPC.
// The CRIU version RPC was introduced with CRIU 3.0.
// First, reset the variable for the RPC answer to nil
criuVersionRPC = nil
var t criurpc.CriuReqType
t = criurpc.CriuReqType_VERSION
req := &criurpc.CriuReq{
Type: &t,
}
err := c.criuSwrk(nil, req, nil, false)
if err != nil {
return fmt.Errorf("CRIU version check failed: %s", err)
}
if criuVersionRPC != nil {
logrus.Debugf("CRIU version: %s", criuVersionRPC)
// major and minor are always set
c.criuVersion = int(*criuVersionRPC.Major) * 10000
c.criuVersion += int(*criuVersionRPC.Minor) * 100
if criuVersionRPC.Sublevel != nil {
c.criuVersion += int(*criuVersionRPC.Sublevel)
}
if criuVersionRPC.Gitid != nil {
// runc's convention is that a CRIU git release is
// always the same as increasing the minor by 1
c.criuVersion -= (c.criuVersion % 100)
c.criuVersion += 100
}
return compareCriuVersion(c.criuVersion, minVersion)
}
// This is CRIU without the version RPC and therefore
// older than 3.0. Parsing the output is required.
// This can be remove once runc does not work with criu older than 3.0
c.criuVersion, err = parseCriuVersion(c.criuPath)
if err != nil {
return err
}
return compareCriuVersion(c.criuVersion, minVersion)
}
const descriptorsFilename = "descriptors.json"
func (c *linuxContainer) addCriuDumpMount(req *criurpc.CriuReq, m *configs.Mount) {
@ -698,7 +751,8 @@ func (c *linuxContainer) Checkpoint(criuOpts *CriuOpts) error {
return fmt.Errorf("cannot checkpoint a rootless container")
}
if err := c.checkCriuVersion("1.5.2"); err != nil {
// criu 1.5.2 => 10502
if err := c.checkCriuVersion(10502); err != nil {
return err
}
@ -771,7 +825,8 @@ func (c *linuxContainer) Checkpoint(criuOpts *CriuOpts) error {
// append optional manage cgroups mode
if criuOpts.ManageCgroupsMode != 0 {
if err := c.checkCriuVersion("1.7"); err != nil {
// criu 1.7 => 10700
if err := c.checkCriuVersion(10700); err != nil {
return err
}
mode := criurpc.CriuCgMode(criuOpts.ManageCgroupsMode)
@ -885,7 +940,8 @@ func (c *linuxContainer) Restore(process *Process, criuOpts *CriuOpts) error {
return fmt.Errorf("cannot restore a rootless container")
}
if err := c.checkCriuVersion("1.5.2"); err != nil {
// criu 1.5.2 => 10502
if err := c.checkCriuVersion(10502); err != nil {
return err
}
if criuOpts.WorkDirectory == "" {
@ -981,7 +1037,8 @@ func (c *linuxContainer) Restore(process *Process, criuOpts *CriuOpts) error {
// append optional manage cgroups mode
if criuOpts.ManageCgroupsMode != 0 {
if err := c.checkCriuVersion("1.7"); err != nil {
// criu 1.7 => 10700
if err := c.checkCriuVersion(10700); err != nil {
return err
}
mode := criurpc.CriuCgMode(criuOpts.ManageCgroupsMode)
@ -1043,7 +1100,14 @@ func (c *linuxContainer) criuSwrk(process *Process, req *criurpc.CriuReq, opts *
return err
}
logPath := filepath.Join(opts.WorkDirectory, req.GetOpts().GetLogFile())
var logPath string
if opts != nil {
logPath = filepath.Join(opts.WorkDirectory, req.GetOpts().GetLogFile())
} else {
// For the VERSION RPC 'opts' is set to 'nil' and therefore
// opts.WorkDirectory does not exist. Set logPath to "".
logPath = ""
}
criuClient := os.NewFile(uintptr(fds[0]), "criu-transport-client")
criuClientFileCon, err := net.FileConn(criuClient)
criuClient.Close()
@ -1058,7 +1122,11 @@ func (c *linuxContainer) criuSwrk(process *Process, req *criurpc.CriuReq, opts *
defer criuServer.Close()
args := []string{"swrk", "3"}
logrus.Debugf("Using CRIU %d at: %s", c.criuVersion, c.criuPath)
if c.criuVersion != 0 {
// If the CRIU Version is still '0' then this is probably
// the initial CRIU run to detect the version. Skip it.
logrus.Debugf("Using CRIU %d at: %s", c.criuVersion, c.criuPath)
}
logrus.Debugf("Using CRIU with following args: %s", args)
cmd := exec.Command(c.criuPath, args...)
if process != nil {
@ -1099,8 +1167,11 @@ func (c *linuxContainer) criuSwrk(process *Process, req *criurpc.CriuReq, opts *
logrus.Debugf("Using CRIU in %s mode", req.GetType().String())
// In the case of criurpc.CriuReqType_FEATURE_CHECK req.GetOpts()
// should be empty. For older CRIU versions it still will be
// available but empty.
if req.GetType() != criurpc.CriuReqType_FEATURE_CHECK {
// available but empty. criurpc.CriuReqType_VERSION actually
// has no req.GetOpts().
if !(req.GetType() == criurpc.CriuReqType_FEATURE_CHECK ||
req.GetType() == criurpc.CriuReqType_VERSION) {
val := reflect.ValueOf(req.GetOpts())
v := reflect.Indirect(val)
for i := 0; i < v.NumField(); i++ {
@ -1143,11 +1214,20 @@ func (c *linuxContainer) criuSwrk(process *Process, req *criurpc.CriuReq, opts *
}
if !resp.GetSuccess() {
typeString := req.GetType().String()
if typeString == "VERSION" {
// If the VERSION RPC fails this probably means that the CRIU
// version is too old for this RPC. Just return 'nil'.
return nil
}
return fmt.Errorf("criu failed: type %s errno %d\nlog file: %s", typeString, resp.GetCrErrno(), logPath)
}
t := resp.GetType()
switch {
case t == criurpc.CriuReqType_VERSION:
logrus.Debugf("CRIU version: %s", resp)
criuVersionRPC = resp.GetVersion()
break
case t == criurpc.CriuReqType_FEATURE_CHECK:
logrus.Debugf("Feature check says: %s", resp)
criuFeatures = resp.GetFeatures()

399
libcontainer/criurpc/criurpc.pb.go
View File

@ -23,6 +23,7 @@ It has these top-level messages:
CriuFeatures
CriuReq
CriuResp
CriuVersion
*/
package criurpc
@ -103,19 +104,21 @@ const (
CriuReqType_CPUINFO_DUMP CriuReqType = 7
CriuReqType_CPUINFO_CHECK CriuReqType = 8
CriuReqType_FEATURE_CHECK CriuReqType = 9
CriuReqType_VERSION CriuReqType = 10
)
var CriuReqType_name = map[int32]string{
0: "EMPTY",
1: "DUMP",
2: "RESTORE",
3: "CHECK",
4: "PRE_DUMP",
5: "PAGE_SERVER",
6: "NOTIFY",
7: "CPUINFO_DUMP",
8: "CPUINFO_CHECK",
9: "FEATURE_CHECK",
0: "EMPTY",
1: "DUMP",
2: "RESTORE",
3: "CHECK",
4: "PRE_DUMP",
5: "PAGE_SERVER",
6: "NOTIFY",
7: "CPUINFO_DUMP",
8: "CPUINFO_CHECK",
9: "FEATURE_CHECK",
10: "VERSION",
}
var CriuReqType_value = map[string]int32{
"EMPTY": 0,
@ -128,6 +131,7 @@ var CriuReqType_value = map[string]int32{
"CPUINFO_DUMP": 7,
"CPUINFO_CHECK": 8,
"FEATURE_CHECK": 9,
"VERSION": 10,
}
func (x CriuReqType) Enum() *CriuReqType {
@ -190,8 +194,8 @@ func (m *CriuPageServerInfo) GetFd() int32 {
}
type CriuVethPair struct {
IfIn *string `protobuf:"bytes,1,req,name=if_in" json:"if_in,omitempty"`
IfOut *string `protobuf:"bytes,2,req,name=if_out" json:"if_out,omitempty"`
IfIn *string `protobuf:"bytes,1,req,name=if_in,json=ifIn" json:"if_in,omitempty"`
IfOut *string `protobuf:"bytes,2,req,name=if_out,json=ifOut" json:"if_out,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -241,8 +245,8 @@ func (m *ExtMountMap) GetVal() string {
type JoinNamespace struct {
Ns *string `protobuf:"bytes,1,req,name=ns" json:"ns,omitempty"`
NsFile *string `protobuf:"bytes,2,req,name=ns_file" json:"ns_file,omitempty"`
ExtraOpt *string `protobuf:"bytes,3,opt,name=extra_opt" json:"extra_opt,omitempty"`
NsFile *string `protobuf:"bytes,2,req,name=ns_file,json=nsFile" json:"ns_file,omitempty"`
ExtraOpt *string `protobuf:"bytes,3,opt,name=extra_opt,json=extraOpt" json:"extra_opt,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -340,55 +344,55 @@ func (m *UnixSk) GetInode() uint32 {
}
type CriuOpts struct {
ImagesDirFd *int32 `protobuf:"varint,1,req,name=images_dir_fd" json:"images_dir_fd,omitempty"`
ImagesDirFd *int32 `protobuf:"varint,1,req,name=images_dir_fd,json=imagesDirFd" json:"images_dir_fd,omitempty"`
Pid *int32 `protobuf:"varint,2,opt,name=pid" json:"pid,omitempty"`
LeaveRunning *bool `protobuf:"varint,3,opt,name=leave_running" json:"leave_running,omitempty"`
ExtUnixSk *bool `protobuf:"varint,4,opt,name=ext_unix_sk" json:"ext_unix_sk,omitempty"`
TcpEstablished *bool `protobuf:"varint,5,opt,name=tcp_established" json:"tcp_established,omitempty"`
EvasiveDevices *bool `protobuf:"varint,6,opt,name=evasive_devices" json:"evasive_devices,omitempty"`
ShellJob *bool `protobuf:"varint,7,opt,name=shell_job" json:"shell_job,omitempty"`
FileLocks *bool `protobuf:"varint,8,opt,name=file_locks" json:"file_locks,omitempty"`
LogLevel *int32 `protobuf:"varint,9,opt,name=log_level,def=2" json:"log_level,omitempty"`
LogFile *string `protobuf:"bytes,10,opt,name=log_file" json:"log_file,omitempty"`
LeaveRunning *bool `protobuf:"varint,3,opt,name=leave_running,json=leaveRunning" json:"leave_running,omitempty"`
ExtUnixSk *bool `protobuf:"varint,4,opt,name=ext_unix_sk,json=extUnixSk" json:"ext_unix_sk,omitempty"`
TcpEstablished *bool `protobuf:"varint,5,opt,name=tcp_established,json=tcpEstablished" json:"tcp_established,omitempty"`
EvasiveDevices *bool `protobuf:"varint,6,opt,name=evasive_devices,json=evasiveDevices" json:"evasive_devices,omitempty"`
ShellJob *bool `protobuf:"varint,7,opt,name=shell_job,json=shellJob" json:"shell_job,omitempty"`
FileLocks *bool `protobuf:"varint,8,opt,name=file_locks,json=fileLocks" json:"file_locks,omitempty"`
LogLevel *int32 `protobuf:"varint,9,opt,name=log_level,json=logLevel,def=2" json:"log_level,omitempty"`
LogFile *string `protobuf:"bytes,10,opt,name=log_file,json=logFile" json:"log_file,omitempty"`
Ps *CriuPageServerInfo `protobuf:"bytes,11,opt,name=ps" json:"ps,omitempty"`
NotifyScripts *bool `protobuf:"varint,12,opt,name=notify_scripts" json:"notify_scripts,omitempty"`
NotifyScripts *bool `protobuf:"varint,12,opt,name=notify_scripts,json=notifyScripts" json:"notify_scripts,omitempty"`
Root *string `protobuf:"bytes,13,opt,name=root" json:"root,omitempty"`
ParentImg *string `protobuf:"bytes,14,opt,name=parent_img" json:"parent_img,omitempty"`
TrackMem *bool `protobuf:"varint,15,opt,name=track_mem" json:"track_mem,omitempty"`
AutoDedup *bool `protobuf:"varint,16,opt,name=auto_dedup" json:"auto_dedup,omitempty"`
WorkDirFd *int32 `protobuf:"varint,17,opt,name=work_dir_fd" json:"work_dir_fd,omitempty"`
LinkRemap *bool `protobuf:"varint,18,opt,name=link_remap" json:"link_remap,omitempty"`
ParentImg *string `protobuf:"bytes,14,opt,name=parent_img,json=parentImg" json:"parent_img,omitempty"`
TrackMem *bool `protobuf:"varint,15,opt,name=track_mem,json=trackMem" json:"track_mem,omitempty"`
AutoDedup *bool `protobuf:"varint,16,opt,name=auto_dedup,json=autoDedup" json:"auto_dedup,omitempty"`
WorkDirFd *int32 `protobuf:"varint,17,opt,name=work_dir_fd,json=workDirFd" json:"work_dir_fd,omitempty"`
LinkRemap *bool `protobuf:"varint,18,opt,name=link_remap,json=linkRemap" json:"link_remap,omitempty"`
Veths []*CriuVethPair `protobuf:"bytes,19,rep,name=veths" json:"veths,omitempty"`
CpuCap *uint32 `protobuf:"varint,20,opt,name=cpu_cap,def=4294967295" json:"cpu_cap,omitempty"`
ForceIrmap *bool `protobuf:"varint,21,opt,name=force_irmap" json:"force_irmap,omitempty"`
ExecCmd []string `protobuf:"bytes,22,rep,name=exec_cmd" json:"exec_cmd,omitempty"`
ExtMnt []*ExtMountMap `protobuf:"bytes,23,rep,name=ext_mnt" json:"ext_mnt,omitempty"`
ManageCgroups *bool `protobuf:"varint,24,opt,name=manage_cgroups" json:"manage_cgroups,omitempty"`
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 *CriuCgMode `protobuf:"varint,34,opt,name=manage_cgroups_mode,enum=CriuCgMode" json:"manage_cgroups_mode,omitempty"`
GhostLimit *uint32 `protobuf:"varint,35,opt,name=ghost_limit,def=1048576" json:"ghost_limit,omitempty"`
IrmapScanPaths []string `protobuf:"bytes,36,rep,name=irmap_scan_paths" json:"irmap_scan_paths,omitempty"`
CpuCap *uint32 `protobuf:"varint,20,opt,name=cpu_cap,json=cpuCap,def=4294967295" json:"cpu_cap,omitempty"`
ForceIrmap *bool `protobuf:"varint,21,opt,name=force_irmap,json=forceIrmap" json:"force_irmap,omitempty"`
ExecCmd []string `protobuf:"bytes,22,rep,name=exec_cmd,json=execCmd" json:"exec_cmd,omitempty"`
ExtMnt []*ExtMountMap `protobuf:"bytes,23,rep,name=ext_mnt,json=extMnt" json:"ext_mnt,omitempty"`
ManageCgroups *bool `protobuf:"varint,24,opt,name=manage_cgroups,json=manageCgroups" json:"manage_cgroups,omitempty"`
CgRoot []*CgroupRoot `protobuf:"bytes,25,rep,name=cg_root,json=cgRoot" json:"cg_root,omitempty"`
RstSibling *bool `protobuf:"varint,26,opt,name=rst_sibling,json=rstSibling" json:"rst_sibling,omitempty"`
InheritFd []*InheritFd `protobuf:"bytes,27,rep,name=inherit_fd,json=inheritFd" json:"inherit_fd,omitempty"`
AutoExtMnt *bool `protobuf:"varint,28,opt,name=auto_ext_mnt,json=autoExtMnt" json:"auto_ext_mnt,omitempty"`
ExtSharing *bool `protobuf:"varint,29,opt,name=ext_sharing,json=extSharing" json:"ext_sharing,omitempty"`
ExtMasters *bool `protobuf:"varint,30,opt,name=ext_masters,json=extMasters" json:"ext_masters,omitempty"`
SkipMnt []string `protobuf:"bytes,31,rep,name=skip_mnt,json=skipMnt" json:"skip_mnt,omitempty"`
EnableFs []string `protobuf:"bytes,32,rep,name=enable_fs,json=enableFs" json:"enable_fs,omitempty"`
UnixSkIno []*UnixSk `protobuf:"bytes,33,rep,name=unix_sk_ino,json=unixSkIno" json:"unix_sk_ino,omitempty"`
ManageCgroupsMode *CriuCgMode `protobuf:"varint,34,opt,name=manage_cgroups_mode,json=manageCgroupsMode,enum=CriuCgMode" json:"manage_cgroups_mode,omitempty"`
GhostLimit *uint32 `protobuf:"varint,35,opt,name=ghost_limit,json=ghostLimit,def=1048576" json:"ghost_limit,omitempty"`
IrmapScanPaths []string `protobuf:"bytes,36,rep,name=irmap_scan_paths,json=irmapScanPaths" json:"irmap_scan_paths,omitempty"`
External []string `protobuf:"bytes,37,rep,name=external" json:"external,omitempty"`
EmptyNs *uint32 `protobuf:"varint,38,opt,name=empty_ns" json:"empty_ns,omitempty"`
JoinNs []*JoinNamespace `protobuf:"bytes,39,rep,name=join_ns" json:"join_ns,omitempty"`
CgroupProps *string `protobuf:"bytes,41,opt,name=cgroup_props" json:"cgroup_props,omitempty"`
CgroupPropsFile *string `protobuf:"bytes,42,opt,name=cgroup_props_file" json:"cgroup_props_file,omitempty"`
CgroupDumpController []string `protobuf:"bytes,43,rep,name=cgroup_dump_controller" json:"cgroup_dump_controller,omitempty"`
FreezeCgroup *string `protobuf:"bytes,44,opt,name=freeze_cgroup" json:"freeze_cgroup,omitempty"`
EmptyNs *uint32 `protobuf:"varint,38,opt,name=empty_ns,json=emptyNs" json:"empty_ns,omitempty"`
JoinNs []*JoinNamespace `protobuf:"bytes,39,rep,name=join_ns,json=joinNs" json:"join_ns,omitempty"`
CgroupProps *string `protobuf:"bytes,41,opt,name=cgroup_props,json=cgroupProps" json:"cgroup_props,omitempty"`
CgroupPropsFile *string `protobuf:"bytes,42,opt,name=cgroup_props_file,json=cgroupPropsFile" json:"cgroup_props_file,omitempty"`
CgroupDumpController []string `protobuf:"bytes,43,rep,name=cgroup_dump_controller,json=cgroupDumpController" json:"cgroup_dump_controller,omitempty"`
FreezeCgroup *string `protobuf:"bytes,44,opt,name=freeze_cgroup,json=freezeCgroup" json:"freeze_cgroup,omitempty"`
Timeout *uint32 `protobuf:"varint,45,opt,name=timeout" json:"timeout,omitempty"`
TcpSkipInFlight *bool `protobuf:"varint,46,opt,name=tcp_skip_in_flight" json:"tcp_skip_in_flight,omitempty"`
WeakSysctls *bool `protobuf:"varint,47,opt,name=weak_sysctls" json:"weak_sysctls,omitempty"`
LazyPages *bool `protobuf:"varint,48,opt,name=lazy_pages" json:"lazy_pages,omitempty"`
StatusFd *int32 `protobuf:"varint,49,opt,name=status_fd" json:"status_fd,omitempty"`
OrphanPtsMaster *bool `protobuf:"varint,50,opt,name=orphan_pts_master" json:"orphan_pts_master,omitempty"`
TcpSkipInFlight *bool `protobuf:"varint,46,opt,name=tcp_skip_in_flight,json=tcpSkipInFlight" json:"tcp_skip_in_flight,omitempty"`
WeakSysctls *bool `protobuf:"varint,47,opt,name=weak_sysctls,json=weakSysctls" json:"weak_sysctls,omitempty"`
LazyPages *bool `protobuf:"varint,48,opt,name=lazy_pages,json=lazyPages" json:"lazy_pages,omitempty"`
StatusFd *int32 `protobuf:"varint,49,opt,name=status_fd,json=statusFd" json:"status_fd,omitempty"`
OrphanPtsMaster *bool `protobuf:"varint,50,opt,name=orphan_pts_master,json=orphanPtsMaster" json:"orphan_pts_master,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -807,7 +811,8 @@ func (m *CriuNotify) GetPid() int32 {
// List of features which can queried via
// CRIU_REQ_TYPE__FEATURE_CHECK
type CriuFeatures struct {
MemTrack *bool `protobuf:"varint,1,opt,name=mem_track" json:"mem_track,omitempty"`
MemTrack *bool `protobuf:"varint,1,opt,name=mem_track,json=memTrack" json:"mem_track,omitempty"`
LazyPages *bool `protobuf:"varint,2,opt,name=lazy_pages,json=lazyPages" json:"lazy_pages,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -823,15 +828,22 @@ func (m *CriuFeatures) GetMemTrack() bool {
return false
}
func (m *CriuFeatures) GetLazyPages() bool {
if m != nil && m.LazyPages != nil {
return *m.LazyPages
}
return false
}
type CriuReq struct {
Type *CriuReqType `protobuf:"varint,1,req,name=type,enum=CriuReqType" json:"type,omitempty"`
Opts *CriuOpts `protobuf:"bytes,2,opt,name=opts" json:"opts,omitempty"`
NotifySuccess *bool `protobuf:"varint,3,opt,name=notify_success" json:"notify_success,omitempty"`
NotifySuccess *bool `protobuf:"varint,3,opt,name=notify_success,json=notifySuccess" json:"notify_success,omitempty"`
//
// When set service won't close the connection but
// will wait for more req-s to appear. Works not
// for all request types.
KeepOpen *bool `protobuf:"varint,4,opt,name=keep_open" json:"keep_open,omitempty"`
KeepOpen *bool `protobuf:"varint,4,opt,name=keep_open,json=keepOpen" json:"keep_open,omitempty"`
//
// 'features' can be used to query which features
// are supported by the installed criu/kernel
@ -887,9 +899,10 @@ type CriuResp struct {
Restore *CriuRestoreResp `protobuf:"bytes,4,opt,name=restore" json:"restore,omitempty"`
Notify *CriuNotify `protobuf:"bytes,5,opt,name=notify" json:"notify,omitempty"`
Ps *CriuPageServerInfo `protobuf:"bytes,6,opt,name=ps" json:"ps,omitempty"`
CrErrno *int32 `protobuf:"varint,7,opt,name=cr_errno" json:"cr_errno,omitempty"`
CrErrno *int32 `protobuf:"varint,7,opt,name=cr_errno,json=crErrno" json:"cr_errno,omitempty"`
Features *CriuFeatures `protobuf:"bytes,8,opt,name=features" json:"features,omitempty"`
CrErrmsg *string `protobuf:"bytes,9,opt,name=cr_errmsg" json:"cr_errmsg,omitempty"`
CrErrmsg *string `protobuf:"bytes,9,opt,name=cr_errmsg,json=crErrmsg" json:"cr_errmsg,omitempty"`
Version *CriuVersion `protobuf:"bytes,10,opt,name=version" json:"version,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -961,6 +974,71 @@ func (m *CriuResp) GetCrErrmsg() string {
return ""
}
func (m *CriuResp) GetVersion() *CriuVersion {
if m != nil {
return m.Version
}
return nil
}
// Answer for criu_req_type.VERSION requests
type CriuVersion struct {
Major *int32 `protobuf:"varint,1,req,name=major" json:"major,omitempty"`
Minor *int32 `protobuf:"varint,2,req,name=minor" json:"minor,omitempty"`
Gitid *string `protobuf:"bytes,3,opt,name=gitid" json:"gitid,omitempty"`
Sublevel *int32 `protobuf:"varint,4,opt,name=sublevel" json:"sublevel,omitempty"`
Extra *int32 `protobuf:"varint,5,opt,name=extra" json:"extra,omitempty"`
Name *string `protobuf:"bytes,6,opt,name=name" json:"name,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
func (m *CriuVersion) Reset() { *m = CriuVersion{} }
func (m *CriuVersion) String() string { return proto.CompactTextString(m) }
func (*CriuVersion) ProtoMessage() {}
func (*CriuVersion) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
func (m *CriuVersion) GetMajor() int32 {
if m != nil && m.Major != nil {
return *m.Major
}
return 0
}
func (m *CriuVersion) GetMinor() int32 {
if m != nil && m.Minor != nil {
return *m.Minor
}
return 0
}
func (m *CriuVersion) GetGitid() string {
if m != nil && m.Gitid != nil {
return *m.Gitid
}
return ""
}
func (m *CriuVersion) GetSublevel() int32 {
if m != nil && m.Sublevel != nil {
return *m.Sublevel
}
return 0
}
func (m *CriuVersion) GetExtra() int32 {
if m != nil && m.Extra != nil {
return *m.Extra
}
return 0
}
func (m *CriuVersion) GetName() string {
if m != nil && m.Name != nil {
return *m.Name
}
return ""
}
func init() {
proto.RegisterType((*CriuPageServerInfo)(nil), "criu_page_server_info")
proto.RegisterType((*CriuVethPair)(nil), "criu_veth_pair")
@ -976,6 +1054,7 @@ func init() {
proto.RegisterType((*CriuFeatures)(nil), "criu_features")
proto.RegisterType((*CriuReq)(nil), "criu_req")
proto.RegisterType((*CriuResp)(nil), "criu_resp")
proto.RegisterType((*CriuVersion)(nil), "criu_version")
proto.RegisterEnum("CriuCgMode", CriuCgMode_name, CriuCgMode_value)
proto.RegisterEnum("CriuReqType", CriuReqType_name, CriuReqType_value)
}
@ -983,87 +1062,117 @@ func init() {
func init() { proto.RegisterFile("criurpc.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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}

14
libcontainer/criurpc/criurpc.proto
View File

@ -140,6 +140,8 @@ enum criu_req_type {
CPUINFO_CHECK = 8;
FEATURE_CHECK = 9;
VERSION = 10;
}
/*
@ -148,6 +150,7 @@ enum criu_req_type {
*/
message criu_features {
optional bool mem_track = 1;
optional bool lazy_pages = 2;
}
/*
@ -192,4 +195,15 @@ message criu_resp {
optional int32 cr_errno = 7;
optional criu_features features = 8;
optional string cr_errmsg = 9;
optional criu_version version = 10;
}
/* Answer for criu_req_type.VERSION requests */
message criu_version {
required int32 major = 1;
required int32 minor = 2;
optional string gitid = 3;
optional int32 sublevel = 4;
optional int32 extra = 5;
optional string name = 6;
}