server: split containers actions

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

server/container_stop.go

@@ -0,0 +1,26 @@
+package server
+
+import (
+	"fmt"
+
+	"github.com/Sirupsen/logrus"
+	"golang.org/x/net/context"
+	pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+)
+
+// StopContainer stops a running container with a grace period (i.e., timeout).
+func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (*pb.StopContainerResponse, error) {
+	logrus.Debugf("StopContainerRequest %+v", req)
+	c, err := s.getContainerFromRequest(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := s.runtime.StopContainer(c); err != nil {
+		return nil, fmt.Errorf("failed to stop container %s: %v", c.ID(), err)
+	}
+
+	resp := &pb.StopContainerResponse{}
+	logrus.Debugf("StopContainerResponse: %+v", resp)
+	return resp, nil
+}