cri-o/server/sandbox_remove.go
Ryan Cole d50dba979e Move sandbox into its own package
If sandbox is in the same package as server, there will be a circular dependency when
kpod create is implemented

Signed-off-by: Ryan Cole <rcyoalne@gmail.com>
2017-07-21 08:15:55 -04:00

99 lines
3.7 KiB
Go

package server
import (
"fmt"
"github.com/Sirupsen/logrus"
"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"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/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 err := s.Runtime().UpdateStatus(c); err != nil {
return nil, fmt.Errorf("failed to update container state: %v", err)
}
cState := s.Runtime().ContainerStatus(c)
if cState.Status == oci.ContainerStateCreated || cState.Status == oci.ContainerStateRunning {
if err := s.Runtime().StopContainer(c, -1); 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.removeContainer(podInfraContainer)
// Remove the files related to the sandbox
if err := s.storageRuntimeServer.StopContainer(sb.ID()); err != nil && 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
}