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c164500
i++ { _, err = cgroupProcessesFile.WriteString(strconv.Itoa(pid)) if err == nil { return nil } // EINVAL might mean that the task being added to cgroup.procs is in state // TASK_NEW. We should attempt to do so again. if isEINVAL(err) { time.Sleep(30 * time.Millisecond) continue } return fmt....
c164501
uid in rootless containers") } } if strings.HasPrefix(opt, "gid=") { var gid int n, err := fmt.Sscanf(opt, "gid=%d", &gid) if n != 1 || err != nil { // Ignore unknown mount options. continue } if !hasIDMapping(gid, config.GidMappings) { return fmt.Errorf("cannot specify gi...
c164502
{ return -1, fmt.Errorf("User namespaces enabled, but no user mapping found.") } return id, nil } // Return unchanged id. return containerId, nil }
c164503
{ return -1, fmt.Errorf("User namespaces enabled, but no group mapping found.") } return id, nil } // Return unchanged id. return containerId, nil }
c164504
m.ContainerID) && (containerID <= (m.ContainerID + m.Size - 1)) { hostID := m.HostID + (containerID - m.ContainerID) return hostID, true } } return -1, false }
c164505
"user" case NEWUTS: return "uts" case NEWCGROUP: return "cgroup" } return "" }
c164506
_, err := os.Stat(fmt.Sprintf("/proc/self/ns/%s", nsFile)) // a namespace is supported if it exists and we have permissions to read it supported = err == nil supportedNamespaces[ns] = supported return supported }
c164507
nil, fmt.Errorf("path %q missing", oomCgroupName) } return registerMemoryEvent(dir, "memory.oom_control", "") }
c164508
"", err } if _, err := os.Stat(root); err != nil { return "", err } cgroupRoot = root return cgroupRoot, nil }
c164509
} err = freezer.Set(dir, m.Cgroups) if err != nil { m.Cgroups.Resources.Freezer = prevState return err } return nil }
c164510
!= nil { return fmt.Errorf("error validating Seccomp architecture: %s", err) } if err := filter.AddArch(scmpArch); err != nil { return fmt.Errorf("error adding architecture to seccomp filter: %s", err) } } // Unset no new privs bit if err := filter.SetNoNewPrivsBit(false); err != nil { return fmt.Er...
c164511
kernel has CONFIG_SECCOMP_FILTER. if err := unix.Prctl(unix.PR_SET_SECCOMP, unix.SECCOMP_MODE_FILTER, 0, 0, 0); err != unix.EINVAL { return true } } return false } _, ok := s["Seccomp"] return ok }
c164512
case configs.Trace: return actTrace, nil default: return libseccomp.ActInvalid, fmt.Errorf("invalid action, cannot use in rule") } }
c164513
case configs.LessThanOrEqualTo: return libseccomp.CompareLessOrEqual, nil case configs.MaskEqualTo: return libseccomp.CompareMaskedEqual, nil default: return libseccomp.CompareInvalid, fmt.Errorf("invalid operator, cannot use in rule") } }
c164514
nil { return cond, err } return libseccomp.MakeCondition(arg.Index, op, arg.Value, arg.ValueTwo) }
c164515
} } if hasMultipleArgs { // Revert to old behavior // Add each condition attached to a separate rule for _, cond := range conditions { condArr := []libseccomp.ScmpCondition{cond} if err = filter.AddRuleConditional(callNum, callAct, condArr); err != nil { return fmt.Errorf("error adding secc...
c164516
wd.Minor = minor wd.Weight = weight wd.LeafWeight = leafWeight return wd }
c164517
%d", wd.Major, wd.Minor, wd.Weight) }
c164518
%d", wd.Major, wd.Minor, wd.LeafWeight) }
c164519
{ td := &ThrottleDevice{} td.Major = major td.Minor = minor td.Rate = rate return td }
c164520
return fmt.Sprintf("%d:%d %d", td.Major, td.Minor, td.Rate) }
c164521
flag |= namespaceInfo[v.Type] } return uintptr(flag) }
c164522
value); err != nil { return fmt.Errorf("apparmor failed to apply profile: %s", err) } return nil }
c164523
nil { f.Close() } return unix.Mount(slavePath, "/dev/console", "bind", unix.MS_BIND, "") }
c164524
} } for _, i := range []int{0, 1, 2} { if err := unix.Dup3(fd, i, 0); err != nil { return err } } return nil }
c164525
{ return nil, fmt.Errorf("systemd cgroup flag passed, but systemd support for managing cgroups is not available") } } intelRdtManager := libcontainer.IntelRdtFs if !intelrdt.IsCatEnabled() && !intelrdt.IsMbaEnabled() { intelRdtManager = nil } // We resolve the paths for {newuidmap,newgidmap} from the con...
c164526
if id == "" { return nil, errEmptyID } factory, err := loadFactory(context) if err != nil { return nil, err } return factory.Load(id) }
c164527
lp.Capabilities.Permitted = p.Capabilities.Permitted lp.Capabilities.Ambient = p.Capabilities.Ambient } for _, gid := range p.User.AdditionalGids { lp.AdditionalGroups = append(lp.AdditionalGroups, strconv.FormatUint(uint64(gid), 10)) } for _, rlimit := range p.Rlimits { rl, err := createLibContainerRlimit(r...
c164528
!ok { return nil, fmt.Errorf("casting to UnixConn failed") } t.postStart = append(t.postStart, uc) socket, err := uc.File() if err != nil { return nil, err } t.postStart = append(t.postStart, socket) process.ConsoleSocket = socket } return t, nil } // when runc will detach the caller...
c164529
if intErr != nil && intErr.(*strconv.NumError).Err == strconv.ErrRange && intValue < 0 { return 0, nil } return value, err } return value, nil }
c164530
param value (%q) to uint64: %v", parts[1], err) } return parts[0], value, nil default: return "", 0, ErrNotValidFormat } }
c164531
parseUint(strings.TrimSpace(string(contents)), 10, 64) if err != nil { return res, fmt.Errorf("unable to parse %q as a uint from Cgroup file %q", string(contents), fileName) } return res, nil }
c164532
cgroupFile)) if err != nil { return "", err } return strings.TrimSpace(string(contents)), nil }
c164533
less than 3 fields post '-' in %q", text) } // Check if MBA Software Controller is enabled through mount option "-o mba_MBps" if strings.Contains(postSeparatorFields[2], "mba_MBps") { isMbaScEnabled = true } return fields[4], nil } } if err := s.Err(); err != nil { return "", err } return...
c164534
"", err } if _, err := os.Stat(root); err != nil { return "", err } intelRdtRoot = root return intelRdtRoot, nil }
c164535
if err != nil { return res, fmt.Errorf("unable to parse %q as a uint from file %q", string(contents), fileName) } return res, nil }
c164536
return "", err } return strings.TrimSpace(string(contents)), nil }
c164537
getIntelRdtParamUint(path, "num_closids") if err != nil { return l3CacheInfo, err } l3CacheInfo.CbmMask = cbmMask l3CacheInfo.MinCbmBits = minCbmBits l3CacheInfo.NumClosids = numClosids return l3CacheInfo, nil }
c164538
numClosids, err := getIntelRdtParamUint(path, "num_closids") if err != nil { return memBwInfo, err } memBwInfo.BandwidthGran = bandwidthGran memBwInfo.DelayLinear = delayLinear memBwInfo.MinBandwidth = minBandwidth memBwInfo.NumClosids = numClosids return memBwInfo, nil }
c164539
[]byte(strconv.Itoa(pid)), 0700); err != nil { return fmt.Errorf("failed to write %v to %v: %v", pid, IntelRdtTasks, err) } } return nil }
c164540
if err != nil { return "", err } path := filepath.Join(rootPath, id) return path, nil }
c164541
return err } m.mu.Lock() defer m.mu.Unlock() path, err := d.join(m.Id) if err != nil { return err } m.Path = path return nil }
c164542
os.RemoveAll(m.GetPath()); err != nil { return err } m.Path = "" return nil }
c164543
GetIntelRdtPath(m.Id) } return m.Path }
c164544
// The L3 cache schema in 'container_id' group for _, schema := range schemaStrings { if strings.Contains(schema, "L3") { stats.L3CacheSchema = strings.TrimSpace(schema) } } } if IsMbaEnabled() { // The read-only memory bandwidth information memBwInfo, err := getMemBwInfo() if err != nil { ...
c164545
user specified memory bandwidth". // // For example, on a two-socket machine, the schema line could be // "MB:0=5000;1=7000" which means 5000 MBps memory bandwidth limit on // socket 0 and 7000 MBps memory bandwidth limit on socket 1. if container.IntelRdt != nil { path := m.GetPath() l3CacheSchema := contain...
c164546
cf.Close() if err = json.NewDecoder(cf).Decode(&spec); err != nil { return nil, err } return spec, validateProcessSpec(spec.Process) }
c164547
firstChildProcess, _ := os.FindProcess(pid.PidFirstChild) // Ignore the error in case the child has already been reaped for any reason _, _ = firstChildProcess.Wait() process, err := os.FindProcess(pid.Pid) if err != nil { return err } p.cmd.Process = process p.process.ops = p return nil }
c164548
_, werr := p.wait(); err == nil { err = werr } return err }
c164549
// Ignore the error in case the child has already been reaped for any reason _, _ = firstChildProcess.Wait() return pid.Pid, nil }
c164550
} if err := os.Setenv(p[0], p[1]); err != nil { return err } } return nil }
c164551
!= nil { return errors.Wrap(err, "setup user") } if err := system.ClearKeepCaps(); err != nil { return errors.Wrap(err, "clear keep caps") } if err := w.ApplyCaps(); err != nil { return errors.Wrap(err, "apply caps") } if config.Cwd != "" { if err := unix.Chdir(config.Cwd); err != nil { return fmt.Err...
c164552
err != nil { return err } // Wait for parent to give the all-clear. return readSync(pipe, procRun) }
c164553
err != nil { return err } // Wait for parent to give the all-clear. return readSync(pipe, procResume) }
c164554
unprivileged user namespace since Linux 3.19. // There's nothing we can do about /etc/group entries, so we silently // ignore setting groups here (since the user didn't explicitly ask us to // set the group). allowSupGroups := !config.RootlessEUID && strings.TrimSpace(string(setgroups)) != "deny" if allowSupGrou...
c164555
!= nil { // If we've hit an EINVAL then s.Gid isn't mapped in the user // namespace. If we've hit an EPERM then the inode's current owner // is not mapped in our user namespace (in particular, // privileged_wrt_inode_uidgid() has failed). In either case, we // are in a configuration where it's better fo...
c164556
if err := strategy.initialize(config); err != nil { return err } } return nil }
c164557
ok, err := isWaitable(p.Pid); err != nil { if !isNoChildren(err) { logrus.Warn("signalAllProcesses: ", p.Pid, err) } continue } else if !ok { // Not ready to report so don't wait continue } } // In case a subreaper has been setup, this code must not // wait for the process. Otherw...
c164558
groupFile, err := os.Open(groupPath); err == nil { group = groupFile defer groupFile.Close() } return GetExecUser(userSpec, defaults, passwd, group) }
c164559
defer groupFile.Close() } return GetAdditionalGroups(additionalGroups, group) }
c164560
nil, newGenericError(fmt.Errorf("invalid process"), NoProcessOps) } return p.ops.wait() }
c164561
if err := s.ensureParent(parent, root); err != nil { return err } if err := os.MkdirAll(current, 0755); err != nil { return err } return s.copyIfNeeded(current, parent) }
c164562
string(parentCpus)); err != nil { return err } } if s.isEmpty(currentMems) { if err := writeFile(current, "cpuset.mems", string(parentMems)); err != nil { return err } } return nil }
c164563
// 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 th...
c164564
if err != nil { return err } if err := checkMountDestination(c.config.Rootfs, dest); err != nil { return err } m.Destination = dest if err := os.MkdirAll(dest, 0755); err != nil { return err } } return nil }
c164565
strings.HasPrefix(path, p+"/") { return false } } return true }
c164566
from its checkpoint. for _, m := range mounts { if isPathInPrefixList(m.Destination, tmpfs) { if err := c.makeCriuRestoreMountpoints(m); err != nil { return err } } } return nil }
c164567
if err := strategy.detach(config); err != nil { return err } } return nil }
c164568
} switch t { case Created: return c.state.transition(&createdState{c: c}) case Running: return c.state.transition(&runningState{c: c}) } return c.state.transition(&stoppedState{c: c}) }
c164569
return nil, newSystemError(fmt.Errorf("namespace %s is not supported", ns)) } // only set to join this namespace if it exists if _, err := os.Lstat(p); err != nil { return nil, newSystemErrorWithCausef(err, "running lstat on namespace path %q", p) } // do not allow namespace path with comma as we u...
c164570
strings.Contains(s, "Wait was already called"): return nil } return err }
c164571
not processing them fast enough. s := make(chan os.Signal, signalBufferSize) // handle all signals for the process. signal.Notify(s) return &signalHandler{ signals: s, notifySocket: notifySocket, } }
c164572
logrus.WithFields(logrus.Fields{ "pid": e.pid, "status": e.status, }).Debug("process exited") if e.pid == pid1 { // call Wait() on the process even though we already have the exit // status because we must ensure that any of the go specific process // fun such as flushing pipes a...
c164573
if pid <= 0 { return exits, nil } exits = append(exits, exit{ pid: pid, status: utils.ExitStatus(ws), }) } }
c164574
err } cleaned, err := filepath.Abs(config.Rootfs) if err != nil { return err } if cleaned, err = filepath.EvalSymlinks(cleaned); err != nil { return err } if filepath.Clean(config.Rootfs) != cleaned { return fmt.Errorf("%s is not an absolute path or is a symlink", config.Rootfs) } return nil }
c164575
err != nil { return fmt.Errorf("could not check that %q is a symlink: %v", path, err) } if symLink == false { // The provided namespace is not a symbolic link, // it is not the host namespace. return nil } // readlink on the path provided in the struct destOfContainer, err := os.Readlink(path) if err !...
c164576
utils.WriteJSON(pipe, syncT{sync}) }
c164577
if procSync.Type == procError { var ierr genericError if err := json.NewDecoder(pipe).Decode(&ierr); err != nil { return fmt.Errorf("failed reading error from parent: %v", err) } return &ierr } if procSync.Type != expected { return fmt.Errorf("invalid synchronisation flag from parent") } ...
c164578
error from init") } if ierr != nil { return ierr } // Programmer error. panic("No error following JSON procError payload.") } if err := fn(&sync); err != nil { return err } } return nil }
c164579
ok { return strings.Contains(dbusError.Name, "org.freedesktop.systemd1.UnitExists") } } return false }
c164580
err != nil { return stat, err } return parseStat(string(bytes)) }
c164581
if !exists { return nil, fmt.Errorf("unknown strategy type %q", tpe) } return s, nil }
c164582
File: "tx_packets"}, {Out: &out.RxErrors, File: "tx_errors"}, {Out: &out.RxDropped, File: "tx_dropped"}, {Out: &out.TxBytes, File: "rx_bytes"}, {Out: &out.TxPackets, File: "rx_packets"}, {Out: &out.TxErrors, File: "rx_errors"}, {Out: &out.TxDropped, File: "rx_dropped"}, } for _, netStat := range netStat...
c164583
NewStringStructMapCmd("smembers", key) c.process(cmd) return cmd }
c164584
NewStringSliceCmd("srandmember", key, count) c.process(cmd) return cmd }
c164585
"zadd", key, "incr", "xx" return c.zIncr(a, n, member) }
c164586
NewBoolCmd("client", "setname", name) c.process(cmd) return cmd }
c164587
cmd := NewStringCmd("client", "getname") c.process(cmd) return cmd }
c164588
err := it.cmd.Err() it.mu.Unlock() return err }
c164589
== "scan" { it.cmd._args[1] = it.cmd.cursor } else { it.cmd._args[2] = it.cmd.cursor } err := it.cmd.process(it.cmd) if err != nil { return false } it.pos = 1 // Redis can occasionally return empty page. if len(it.cmd.page) > 0 { return true } } }
c164590
sentinelAddrs: failoverOpt.SentinelAddrs, opt: opt, } c := Client{ baseClient: baseClient{ opt: opt, connPool: failover.Pool(), onClose: failover.Close, }, } c.baseClient.init() c.cmdable.setProcessor(c.Process) return &c }
c164591
NewStatusCmd("sentinel", "failover", name) c.Process(cmd) return cmd }
c164592
"flushconfig") c.Process(cmd) return cmd }
c164593
NewStringStringMapCmd("sentinel", "master", name) c.Process(cmd) return cmd }
c164594
&struct { string Cap int }{s, len(s)}, )) }
c164595
Cmder) error, ) { c.process = fn(c.process) }
c164596
:= c.connPool.Close(); err != nil && firstErr == nil { firstErr = err } return firstErr }
c164597
opt: opt, connPool: newConnPool(opt), }, } c.baseClient.init() c.init() return &c }
c164598
atomic.AddUint32(&p.stats.Hits, 1) return cn, nil } atomic.AddUint32(&p.stats.Misses, 1) newcn, err := p._NewConn(true) if err != nil { p.freeTurn() return nil, err } return newcn, nil }
c164599
p.connsMu.Unlock() return n }