diff options
Diffstat (limited to 'libpod/runtime_pod_linux.go')
-rw-r--r-- | libpod/runtime_pod_linux.go | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/libpod/runtime_pod_linux.go b/libpod/runtime_pod_linux.go index 58affa45f..3592c2fee 100644 --- a/libpod/runtime_pod_linux.go +++ b/libpod/runtime_pod_linux.go @@ -4,6 +4,7 @@ package libpod import ( "context" + "fmt" "path" "path/filepath" "strings" @@ -70,12 +71,23 @@ func (r *Runtime) NewPod(options ...PodCreateOption) (*Pod, error) { } else if len(pod.config.CgroupParent) < 6 || !strings.HasSuffix(path.Base(pod.config.CgroupParent), ".slice") { return nil, errors.Wrapf(ErrInvalidArg, "did not receive systemd slice as cgroup parent when using systemd to manage cgroups") } - // Creating CGroup path is currently a NOOP until proper systemd - // cgroup management is merged + // If we are set to use pod cgroups, set the cgroup parent that + // all containers in the pod will share + if pod.config.UsePodCgroup { + cgroupPath, err := systemdSliceFromPath(pod.config.CgroupParent, fmt.Sprintf("libpod_pod_%s", pod.ID())) + if err != nil { + return nil, errors.Wrapf(err, "unable to create pod cgroup for pod %s", pod.ID()) + } + pod.state.CgroupPath = cgroupPath + } default: return nil, errors.Wrapf(ErrInvalidArg, "unsupported CGroup manager: %s - cannot validate cgroup parent", r.config.CgroupManager) } + if pod.config.UsePodCgroup { + logrus.Debugf("Got pod cgroup as %s", pod.state.CgroupPath) + } + if err := r.state.AddPod(pod); err != nil { return nil, errors.Wrapf(err, "error adding pod to state") } @@ -91,11 +103,20 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool) return ErrRuntimeStopped } + if !p.valid { + if ok, _ := r.state.HasPod(p.ID()); !ok { + // Pod was either already removed, or never existed to + // begin with + return nil + } + } + p.lock.Lock() defer p.lock.Unlock() - if !p.valid { - return ErrPodRemoved + // Force a pod update + if err := p.updatePod(); err != nil { + return err } ctrs, err := r.state.PodContainers(p) @@ -216,20 +237,27 @@ func (r *Runtime) removePod(ctx context.Context, p *Pod, removeCtrs, force bool) // Remove pod cgroup, if present if p.state.CgroupPath != "" { + logrus.Debugf("Removing pod cgroup %s", p.state.CgroupPath) + switch p.runtime.config.CgroupManager { case SystemdCgroupsManager: - // NOOP for now, until proper systemd cgroup management - // is implemented + if err := deleteSystemdCgroup(p.state.CgroupPath); err != nil { + // The pod is already almost gone. + // No point in hard-failing if we fail + // this bit of cleanup. + logrus.Errorf("Error deleting pod %s cgroup %s: %v", p.ID(), p.state.CgroupPath, err) + } case CgroupfsCgroupsManager: // Delete the cgroupfs cgroup - logrus.Debugf("Removing pod cgroup %s", p.state.CgroupPath) - cgroup, err := cgroups.Load(cgroups.V1, cgroups.StaticPath(p.state.CgroupPath)) if err != nil && err != cgroups.ErrCgroupDeleted { return err } else if err == nil { if err := cgroup.Delete(); err != nil { - return err + // The pod is already almost gone. + // No point in hard-failing if we fail + // this bit of cleanup. + logrus.Errorf("Error deleting pod %s cgroup %s: %v", p.ID(), p.state.CgroupPath, err) } } default: |