cri-o/server/sandbox_remove.go

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package server
import (
"fmt"
"os"
"path/filepath"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/opencontainers/runc/libcontainer/label"
"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)
if err != nil {
return nil, err
}
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); err != nil {
return nil, fmt.Errorf("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 sandbox %s: %v", c.Name(), sb.id, err)
}
if c == podInfraContainer {
continue
}
containerDir := filepath.Join(s.runtime.ContainerDir(), c.ID())
if err := os.RemoveAll(containerDir); err != nil {
return nil, fmt.Errorf("failed to remove container %s directory: %v", c.Name(), err)
}
s.releaseContainerName(c.Name())
s.removeContainer(c)
}
if err := label.UnreserveLabel(sb.processLabel); err != nil {
return nil, err
}
// Remove the files related to the sandbox
podSandboxDir := filepath.Join(s.config.SandboxDir, sb.id)
if err := os.RemoveAll(podSandboxDir); err != nil {
return nil, fmt.Errorf("failed to remove sandbox %s directory: %v", sb.id, err)
}
s.releaseContainerName(podInfraContainer.Name())
s.removeContainer(podInfraContainer)
sb.infraContainer = nil
s.releasePodName(sb.name)
s.removeSandbox(sb.id)
resp := &pb.RemovePodSandboxResponse{}
logrus.Debugf("RemovePodSandboxResponse %+v", resp)
return resp, nil
}