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path: root/libpod/oci_conmon_linux.go
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Diffstat (limited to 'libpod/oci_conmon_linux.go')
-rw-r--r--libpod/oci_conmon_linux.go229
1 files changed, 203 insertions, 26 deletions
diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go
index fde8624b0..7a9ae7ee5 100644
--- a/libpod/oci_conmon_linux.go
+++ b/libpod/oci_conmon_linux.go
@@ -23,6 +23,9 @@ import (
"text/template"
"time"
+ runcconfig "github.com/opencontainers/runc/libcontainer/configs"
+ "github.com/opencontainers/runc/libcontainer/devices"
+
"github.com/containers/common/pkg/cgroups"
"github.com/containers/common/pkg/config"
conmonConfig "github.com/containers/conmon/runner/config"
@@ -264,11 +267,6 @@ func (r *ConmonOCIRuntime) CreateContainer(ctr *Container, restoreOptions *Conta
// status, but will instead only check for the existence of the conmon exit file
// and update state to stopped if it exists.
func (r *ConmonOCIRuntime) UpdateContainerStatus(ctr *Container) error {
- exitFile, err := r.ExitFilePath(ctr)
- if err != nil {
- return err
- }
-
runtimeDir, err := util.GetRuntimeDir()
if err != nil {
return err
@@ -340,22 +338,10 @@ func (r *ConmonOCIRuntime) UpdateContainerStatus(ctr *Container) error {
// Only grab exit status if we were not already stopped
// If we were, it should already be in the database
if ctr.state.State == define.ContainerStateStopped && oldState != define.ContainerStateStopped {
- var fi os.FileInfo
- chWait := make(chan error)
- defer close(chWait)
-
- _, err := WaitForFile(exitFile, chWait, time.Second*5)
- if err == nil {
- fi, err = os.Stat(exitFile)
- }
- if err != nil {
- ctr.state.ExitCode = -1
- ctr.state.FinishedTime = time.Now()
- logrus.Errorf("No exit file for container %s found: %v", ctr.ID(), err)
- return nil
+ if _, err := ctr.Wait(context.Background()); err != nil {
+ logrus.Errorf("Waiting for container %s to exit: %v", ctr.ID(), err)
}
-
- return ctr.handleExitFile(exitFile, fi)
+ return nil
}
// Handle ContainerStateStopping - keep it unless the container
@@ -1166,7 +1152,6 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
}).Debugf("running conmon: %s", r.conmonPath)
cmd := exec.Command(r.conmonPath, args...)
- cmd.Dir = ctr.bundlePath()
cmd.SysProcAttr = &syscall.SysProcAttr{
Setpgid: true,
}
@@ -1354,8 +1339,6 @@ func (r *ConmonOCIRuntime) sharedConmonArgs(ctr *Container, cuuid, bundlePath, p
logDriverArg = define.NoLogging
case define.PassthroughLogging:
logDriverArg = define.PassthroughLogging
- case define.JSONLogging:
- fallthrough
//lint:ignore ST1015 the default case has to be here
default: //nolint:stylecheck,gocritic
// No case here should happen except JSONLogging, but keep this here in case the options are extended
@@ -1365,6 +1348,8 @@ func (r *ConmonOCIRuntime) sharedConmonArgs(ctr *Container, cuuid, bundlePath, p
// to get here, either a user would specify `--log-driver ""`, or this came from another place in libpod
// since the former case is obscure, and the latter case isn't an error, let's silently fallthrough
fallthrough
+ case define.JSONLogging:
+ fallthrough
case define.KubernetesLogging:
logDriverArg = fmt.Sprintf("%s:%s", define.KubernetesLogging, logPath)
}
@@ -1451,9 +1436,14 @@ func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec
// TODO: This should be a switch - we are not guaranteed that
// there are only 2 valid cgroup managers
cgroupParent := ctr.CgroupParent()
+ cgroupPath := filepath.Join(ctr.config.CgroupParent, "conmon")
+ Resource := ctr.Spec().Linux.Resources
+ cgroupResources, err := GetLimits(Resource)
+ if err != nil {
+ logrus.StandardLogger().Log(logLevel, "Could not get ctr resources")
+ }
if ctr.CgroupManager() == config.SystemdCgroupsManager {
unitName := createUnitName("libpod-conmon", ctr.ID())
-
realCgroupParent := cgroupParent
splitParent := strings.Split(cgroupParent, "/")
if strings.HasSuffix(cgroupParent, ".slice") && len(splitParent) > 1 {
@@ -1465,8 +1455,7 @@ func (r *ConmonOCIRuntime) moveConmonToCgroupAndSignal(ctr *Container, cmd *exec
logrus.StandardLogger().Logf(logLevel, "Failed to add conmon to systemd sandbox cgroup: %v", err)
}
} else {
- cgroupPath := filepath.Join(ctr.config.CgroupParent, "conmon")
- control, err := cgroups.New(cgroupPath, &spec.LinuxResources{})
+ control, err := cgroups.New(cgroupPath, &cgroupResources)
if err != nil {
logrus.StandardLogger().Logf(logLevel, "Failed to add conmon to cgroupfs sandbox cgroup: %v", err)
} else if err := control.AddPid(cmd.Process.Pid); err != nil {
@@ -1748,3 +1737,191 @@ func httpAttachNonTerminalCopy(container *net.UnixConn, http *bufio.ReadWriter,
}
}
}
+
+// GetLimits converts spec resource limits to cgroup consumable limits
+func GetLimits(resource *spec.LinuxResources) (runcconfig.Resources, error) {
+ if resource == nil {
+ resource = &spec.LinuxResources{}
+ }
+ final := &runcconfig.Resources{}
+ devs := []*devices.Rule{}
+
+ // Devices
+ for _, entry := range resource.Devices {
+ if entry.Major == nil || entry.Minor == nil {
+ continue
+ }
+ runeType := 'a'
+ switch entry.Type {
+ case "b":
+ runeType = 'b'
+ case "c":
+ runeType = 'c'
+ }
+
+ devs = append(devs, &devices.Rule{
+ Type: devices.Type(runeType),
+ Major: *entry.Major,
+ Minor: *entry.Minor,
+ Permissions: devices.Permissions(entry.Access),
+ Allow: entry.Allow,
+ })
+ }
+ final.Devices = devs
+
+ // HugepageLimits
+ pageLimits := []*runcconfig.HugepageLimit{}
+ for _, entry := range resource.HugepageLimits {
+ pageLimits = append(pageLimits, &runcconfig.HugepageLimit{
+ Pagesize: entry.Pagesize,
+ Limit: entry.Limit,
+ })
+ }
+ final.HugetlbLimit = pageLimits
+
+ // Networking
+ netPriorities := []*runcconfig.IfPrioMap{}
+ if resource.Network != nil {
+ for _, entry := range resource.Network.Priorities {
+ netPriorities = append(netPriorities, &runcconfig.IfPrioMap{
+ Interface: entry.Name,
+ Priority: int64(entry.Priority),
+ })
+ }
+ }
+ final.NetPrioIfpriomap = netPriorities
+ rdma := make(map[string]runcconfig.LinuxRdma)
+ for name, entry := range resource.Rdma {
+ rdma[name] = runcconfig.LinuxRdma{HcaHandles: entry.HcaHandles, HcaObjects: entry.HcaObjects}
+ }
+ final.Rdma = rdma
+
+ // Memory
+ if resource.Memory != nil {
+ if resource.Memory.Limit != nil {
+ final.Memory = *resource.Memory.Limit
+ }
+ if resource.Memory.Reservation != nil {
+ final.MemoryReservation = *resource.Memory.Reservation
+ }
+ if resource.Memory.Swap != nil {
+ final.MemorySwap = *resource.Memory.Swap
+ }
+ if resource.Memory.Swappiness != nil {
+ final.MemorySwappiness = resource.Memory.Swappiness
+ }
+ }
+
+ // CPU
+ if resource.CPU != nil {
+ if resource.CPU.Period != nil {
+ final.CpuPeriod = *resource.CPU.Period
+ }
+ if resource.CPU.Quota != nil {
+ final.CpuQuota = *resource.CPU.Quota
+ }
+ if resource.CPU.RealtimePeriod != nil {
+ final.CpuRtPeriod = *resource.CPU.RealtimePeriod
+ }
+ if resource.CPU.RealtimeRuntime != nil {
+ final.CpuRtRuntime = *resource.CPU.RealtimeRuntime
+ }
+ if resource.CPU.Shares != nil {
+ final.CpuShares = *resource.CPU.Shares
+ }
+ final.CpusetCpus = resource.CPU.Cpus
+ final.CpusetMems = resource.CPU.Mems
+ }
+
+ // BlkIO
+ if resource.BlockIO != nil {
+ if len(resource.BlockIO.ThrottleReadBpsDevice) > 0 {
+ for _, entry := range resource.BlockIO.ThrottleReadBpsDevice {
+ throttle := &runcconfig.ThrottleDevice{}
+ dev := &runcconfig.BlockIODevice{
+ Major: entry.Major,
+ Minor: entry.Minor,
+ }
+ throttle.BlockIODevice = *dev
+ throttle.Rate = entry.Rate
+ final.BlkioThrottleReadBpsDevice = append(final.BlkioThrottleReadBpsDevice, throttle)
+ }
+ }
+ if len(resource.BlockIO.ThrottleWriteBpsDevice) > 0 {
+ for _, entry := range resource.BlockIO.ThrottleWriteBpsDevice {
+ throttle := &runcconfig.ThrottleDevice{}
+ dev := &runcconfig.BlockIODevice{
+ Major: entry.Major,
+ Minor: entry.Minor,
+ }
+ throttle.BlockIODevice = *dev
+ throttle.Rate = entry.Rate
+ final.BlkioThrottleWriteBpsDevice = append(final.BlkioThrottleWriteBpsDevice, throttle)
+ }
+ }
+ if len(resource.BlockIO.ThrottleReadIOPSDevice) > 0 {
+ for _, entry := range resource.BlockIO.ThrottleReadIOPSDevice {
+ throttle := &runcconfig.ThrottleDevice{}
+ dev := &runcconfig.BlockIODevice{
+ Major: entry.Major,
+ Minor: entry.Minor,
+ }
+ throttle.BlockIODevice = *dev
+ throttle.Rate = entry.Rate
+ final.BlkioThrottleReadIOPSDevice = append(final.BlkioThrottleReadIOPSDevice, throttle)
+ }
+ }
+ if len(resource.BlockIO.ThrottleWriteIOPSDevice) > 0 {
+ for _, entry := range resource.BlockIO.ThrottleWriteIOPSDevice {
+ throttle := &runcconfig.ThrottleDevice{}
+ dev := &runcconfig.BlockIODevice{
+ Major: entry.Major,
+ Minor: entry.Minor,
+ }
+ throttle.BlockIODevice = *dev
+ throttle.Rate = entry.Rate
+ final.BlkioThrottleWriteIOPSDevice = append(final.BlkioThrottleWriteIOPSDevice, throttle)
+ }
+ }
+ if resource.BlockIO.LeafWeight != nil {
+ final.BlkioLeafWeight = *resource.BlockIO.LeafWeight
+ }
+ if resource.BlockIO.Weight != nil {
+ final.BlkioWeight = *resource.BlockIO.Weight
+ }
+ if len(resource.BlockIO.WeightDevice) > 0 {
+ for _, entry := range resource.BlockIO.WeightDevice {
+ weight := &runcconfig.WeightDevice{}
+ dev := &runcconfig.BlockIODevice{
+ Major: entry.Major,
+ Minor: entry.Minor,
+ }
+ if entry.Weight != nil {
+ weight.Weight = *entry.Weight
+ }
+ if entry.LeafWeight != nil {
+ weight.LeafWeight = *entry.LeafWeight
+ }
+ weight.BlockIODevice = *dev
+ final.BlkioWeightDevice = append(final.BlkioWeightDevice, weight)
+ }
+ }
+ }
+
+ // Pids
+ if resource.Pids != nil {
+ final.PidsLimit = resource.Pids.Limit
+ }
+
+ // Networking
+ if resource.Network != nil {
+ if resource.Network.ClassID != nil {
+ final.NetClsClassid = *resource.Network.ClassID
+ }
+ }
+
+ // Unified state
+ final.Unified = resource.Unified
+
+ return *final, nil
+}