cri-o/server/sandbox_stop.go
Antonio Murdaca a0916b1044
server: sandbox_stop: ignore not found sandboxes
This patch matches dockershim behavior

Signed-off-by: Antonio Murdaca <runcom@redhat.com>
2017-05-22 16:37:39 +02:00

84 lines
2.6 KiB
Go

package server
import (
"fmt"
"os"
"github.com/Sirupsen/logrus"
"github.com/kubernetes-incubator/cri-o/oci"
"golang.org/x/net/context"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// StopPodSandbox stops the sandbox. If there are any running containers in the
// sandbox, they should be force terminated.
func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxRequest) (*pb.StopPodSandboxResponse, error) {
logrus.Debugf("StopPodSandboxRequest %+v", req)
sb, err := s.getPodSandboxFromRequest(req.PodSandboxId)
if err != nil {
if err == errSandboxIDEmpty {
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.StopPodSandboxResponse{}
logrus.Warnf("could not get sandbox %s, it's probably been stopped already: %v", req.PodSandboxId, err)
return resp, nil
}
podInfraContainer := sb.infraContainer
netnsPath, err := podInfraContainer.NetNsPath()
if err != nil {
return nil, err
}
if _, err := os.Stat(netnsPath); err == nil {
if err2 := s.netPlugin.TearDownPod(netnsPath, sb.namespace, sb.kubeName, sb.id); err2 != nil {
return nil, fmt.Errorf("failed to destroy network for container %s in sandbox %s: %v",
podInfraContainer.Name(), sb.id, err2)
}
} else if !os.IsNotExist(err) { // it's ok for netnsPath to *not* exist
return nil, fmt.Errorf("failed to stat netns path for container %s in sandbox %s before tearing down the network: %v",
sb.name, sb.id, err)
}
// Close the sandbox networking namespace.
if err := sb.netNsRemove(); err != nil {
return nil, err
}
containers := sb.containers.List()
containers = append(containers, podInfraContainer)
for _, c := range containers {
if err := s.runtime.UpdateStatus(c); err != nil {
return nil, err
}
cStatus := s.runtime.ContainerStatus(c)
if cStatus.Status != oci.ContainerStateStopped {
if err := s.runtime.StopContainer(c, -1); err != nil {
return nil, fmt.Errorf("failed to stop container %s in pod sandbox %s: %v", c.Name(), sb.id, err)
}
}
s.containerStateToDisk(c)
}
resp := &pb.StopPodSandboxResponse{}
logrus.Debugf("StopPodSandboxResponse: %+v", resp)
return resp, nil
}
// StopAllPodSandboxes removes all pod sandboxes
func (s *Server) StopAllPodSandboxes() {
logrus.Debugf("StopAllPodSandboxes")
for _, sb := range s.state.sandboxes {
pod := &pb.StopPodSandboxRequest{
PodSandboxId: sb.id,
}
if _, err := s.StopPodSandbox(nil, pod); err != nil {
logrus.Warnf("could not StopPodSandbox %s: %v", sb.id, err)
}
}
}