118 lines
4.1 KiB
Go
118 lines
4.1 KiB
Go
package server
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import (
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"fmt"
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"syscall"
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"github.com/Sirupsen/logrus"
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"github.com/containers/storage"
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"github.com/docker/docker/pkg/mount"
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"github.com/kubernetes-incubator/cri-o/oci"
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pkgstorage "github.com/kubernetes-incubator/cri-o/pkg/storage"
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"github.com/opencontainers/selinux/go-selinux/label"
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"golang.org/x/net/context"
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pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
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)
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// RemovePodSandbox deletes the sandbox. If there are any running containers in the
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// sandbox, they should be force deleted.
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func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (*pb.RemovePodSandboxResponse, error) {
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logrus.Debugf("RemovePodSandboxRequest %+v", req)
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sb, err := s.getPodSandboxFromRequest(req.PodSandboxId)
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if err != nil {
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if err == errSandboxIDEmpty {
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return nil, err
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}
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// If the sandbox isn't found we just return an empty response to adhere
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// the the CRI interface which expects to not error out in not found
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// cases.
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resp := &pb.RemovePodSandboxResponse{}
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logrus.Warnf("could not get sandbox %s, it's probably been removed already: %v", req.PodSandboxId, err)
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return resp, nil
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}
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podInfraContainer := sb.infraContainer
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containers := sb.containers.List()
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containers = append(containers, podInfraContainer)
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// Delete all the containers in the sandbox
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for _, c := range containers {
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if err := s.runtime.UpdateStatus(c); err != nil {
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return nil, fmt.Errorf("failed to update container state: %v", err)
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}
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cState := s.runtime.ContainerStatus(c)
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if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
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if err := s.runtime.StopContainer(c, -1); err != nil {
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// Assume container is already stopped
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logrus.Warnf("failed to stop container %s: %v", c.Name(), err)
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}
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}
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if err := s.runtime.DeleteContainer(c); err != nil {
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return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s: %v", c.Name(), sb.id, err)
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}
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if c.ID() == podInfraContainer.ID() {
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continue
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}
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if err := s.storageRuntimeServer.StopContainer(c.ID()); err != nil && err != storage.ErrContainerUnknown {
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// assume container already umounted
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logrus.Warnf("failed to stop container %s in pod sandbox %s: %v", c.Name(), sb.id, err)
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}
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if err := s.storageRuntimeServer.DeleteContainer(c.ID()); err != nil && err != storage.ErrContainerUnknown {
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return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s: %v", c.Name(), sb.id, err)
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}
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s.releaseContainerName(c.Name())
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s.removeContainer(c)
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if err := s.ctrIDIndex.Delete(c.ID()); err != nil {
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return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s from index: %v", c.Name(), sb.id, err)
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}
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}
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if err := label.ReleaseLabel(sb.processLabel); err != nil {
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return nil, err
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}
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// unmount the shm for the pod
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if sb.shmPath != "/dev/shm" {
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if mounted, err := mount.Mounted(sb.shmPath); err == nil && mounted {
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if err := syscall.Unmount(sb.shmPath, syscall.MNT_DETACH); err != nil {
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return nil, err
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}
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}
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}
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if err := sb.netNsRemove(); err != nil {
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return nil, fmt.Errorf("failed to remove networking namespace for sandbox %s: %v", sb.id, err)
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}
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s.removeContainer(podInfraContainer)
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// Remove the files related to the sandbox
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if err := s.storageRuntimeServer.StopContainer(sb.id); err != nil {
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logrus.Warnf("failed to stop sandbox container in pod sandbox %s: %v", sb.id, err)
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}
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if err := s.storageRuntimeServer.RemovePodSandbox(sb.id); err != nil && err != pkgstorage.ErrInvalidSandboxID {
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return nil, fmt.Errorf("failed to remove pod sandbox %s: %v", sb.id, err)
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}
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s.releaseContainerName(podInfraContainer.Name())
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if err := s.ctrIDIndex.Delete(podInfraContainer.ID()); err != nil {
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return nil, fmt.Errorf("failed to delete infra container %s in pod sandbox %s from index: %v", podInfraContainer.ID(), sb.id, err)
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}
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s.releasePodName(sb.name)
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s.removeSandbox(sb.id)
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if err := s.podIDIndex.Delete(sb.id); err != nil {
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return nil, fmt.Errorf("failed to delete pod sandbox %s from index: %v", sb.id, err)
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}
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resp := &pb.RemovePodSandboxResponse{}
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logrus.Debugf("RemovePodSandboxResponse %+v", resp)
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return resp, nil
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}
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