diff options
Diffstat (limited to 'server/sandbox_remove.go')
-rw-r--r-- | server/sandbox_remove.go | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/server/sandbox_remove.go b/server/sandbox_remove.go new file mode 100644 index 000000000..b0e073844 --- /dev/null +++ b/server/sandbox_remove.go @@ -0,0 +1,98 @@ +package server + +import ( + "fmt" + + "github.com/containers/storage" + "github.com/kubernetes-incubator/cri-o/libkpod/sandbox" + "github.com/kubernetes-incubator/cri-o/oci" + pkgstorage "github.com/kubernetes-incubator/cri-o/pkg/storage" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" + "golang.org/x/net/context" + pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime" +) + +// RemovePodSandbox deletes the sandbox. If there are any running containers in the +// sandbox, they should be force deleted. +func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (*pb.RemovePodSandboxResponse, error) { + logrus.Debugf("RemovePodSandboxRequest %+v", req) + sb, err := s.getPodSandboxFromRequest(req.PodSandboxId) + if err != nil { + if err == sandbox.ErrIDEmpty { + return nil, err + } + + // If the sandbox isn't found we just return an empty response to adhere + // the the CRI interface which expects to not error out in not found + // cases. + + resp := &pb.RemovePodSandboxResponse{} + logrus.Warnf("could not get sandbox %s, it's probably been removed already: %v", req.PodSandboxId, err) + return resp, nil + } + + podInfraContainer := sb.InfraContainer() + containers := sb.Containers().List() + containers = append(containers, podInfraContainer) + + // Delete all the containers in the sandbox + for _, c := range containers { + if !sb.Stopped() { + cState := s.Runtime().ContainerStatus(c) + if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning { + if err := s.Runtime().StopContainer(ctx, c, 10); err != nil { + // Assume container is already stopped + logrus.Warnf("failed to stop container %s: %v", c.Name(), err) + } + } + } + + if err := s.Runtime().DeleteContainer(c); err != nil { + return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s: %v", c.Name(), sb.ID(), err) + } + + if c.ID() == podInfraContainer.ID() { + continue + } + + if err := s.StorageRuntimeServer().StopContainer(c.ID()); err != nil && err != storage.ErrContainerUnknown { + // assume container already umounted + logrus.Warnf("failed to stop container %s in pod sandbox %s: %v", c.Name(), sb.ID(), err) + } + if err := s.StorageRuntimeServer().DeleteContainer(c.ID()); err != nil && err != storage.ErrContainerUnknown { + return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s: %v", c.Name(), sb.ID(), err) + } + + s.ReleaseContainerName(c.Name()) + s.removeContainer(c) + if err := s.CtrIDIndex().Delete(c.ID()); err != nil { + return nil, fmt.Errorf("failed to delete container %s in pod sandbox %s from index: %v", c.Name(), sb.ID(), err) + } + } + + s.removeInfraContainer(podInfraContainer) + + // Remove the files related to the sandbox + if err := s.StorageRuntimeServer().StopContainer(sb.ID()); err != nil && errors.Cause(err) != storage.ErrContainerUnknown { + logrus.Warnf("failed to stop sandbox container in pod sandbox %s: %v", sb.ID(), err) + } + if err := s.StorageRuntimeServer().RemovePodSandbox(sb.ID()); err != nil && err != pkgstorage.ErrInvalidSandboxID { + return nil, fmt.Errorf("failed to remove pod sandbox %s: %v", sb.ID(), err) + } + + s.ReleaseContainerName(podInfraContainer.Name()) + if err := s.CtrIDIndex().Delete(podInfraContainer.ID()); err != nil { + return nil, fmt.Errorf("failed to delete infra container %s in pod sandbox %s from index: %v", podInfraContainer.ID(), sb.ID(), err) + } + + s.ReleasePodName(sb.Name()) + s.removeSandbox(sb.ID()) + if err := s.PodIDIndex().Delete(sb.ID()); err != nil { + return nil, fmt.Errorf("failed to delete pod sandbox %s from index: %v", sb.ID(), err) + } + + resp := &pb.RemovePodSandboxResponse{} + logrus.Debugf("RemovePodSandboxResponse %+v", resp) + return resp, nil +} |