server: split sandboxes actions

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

server/sandbox_remove.go

@@ -0,0 +1,77 @@
+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
+}