Add stubs for server implementation

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

cmd/server/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"log"
+	"net"
+
+	"github.com/kubernetes/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+	"github.com/mrunalp/ocid/server"
+	"google.golang.org/grpc"
+)
+
+const (
+	port = ":49999"
+)
+
+func main() {
+	lis, err := net.Listen("tcp", port)
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+	s := grpc.NewServer()
+	runtime.RegisterRuntimeServiceServer(s, &server.Server{})
+	s.Serve(lis)
+}

server/server.go

@@ -0,0 +1,78 @@
+package server
+
+import (
+	pb "github.com/kubernetes/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
+	"golang.org/x/net/context"
+)
+
+// Server implements the RuntimeService
+type Server struct{}
+
+// Version returns the runtime name, runtime version and runtime API version
+func (s *Server) Version(context.Context, *pb.VersionRequest) (*pb.VersionResponse, error) {
+	return nil, nil
+}
+
+// CreatePodSandbox creates a pod-level sandbox.
+// The definition of PodSandbox is at https://github.com/kubernetes/kubernetes/pull/25899
+func (s *Server) CreatePodSandbox(context.Context, *pb.CreatePodSandboxRequest) (*pb.CreatePodSandboxResponse, error) {
+	return nil, nil
+}
+
+// StopPodSandbox stops the sandbox. If there are any running containers in the
+// sandbox, they should be force terminated.
+func (s *Server) StopPodSandbox(context.Context, *pb.StopPodSandboxRequest) (*pb.StopPodSandboxResponse, error) {
+	return nil, nil
+}
+
+// DeletePodSandbox deletes the sandbox. If there are any running containers in the
+// sandbox, they should be force deleted.
+func (s *Server) DeletePodSandbox(context.Context, *pb.DeletePodSandboxRequest) (*pb.DeletePodSandboxResponse, error) {
+	return nil, nil
+}
+
+// PodSandboxStatus returns the Status of the PodSandbox.
+func (s *Server) PodSandboxStatus(context.Context, *pb.PodSandboxStatusRequest) (*pb.PodSandboxStatusResponse, error) {
+	return nil, nil
+}
+
+// ListPodSandbox returns a list of SandBox.
+func (s *Server) ListPodSandbox(context.Context, *pb.ListPodSandboxRequest) (*pb.ListPodSandboxResponse, error) {
+	return nil, nil
+}
+
+// CreateContainer creates a new container in specified PodSandbox
+func (s *Server) CreateContainer(context.Context, *pb.CreateContainerRequest) (*pb.CreateContainerResponse, error) {
+	return nil, nil
+}
+
+// StartContainer starts the container.
+func (s *Server) StartContainer(context.Context, *pb.StartContainerRequest) (*pb.StartContainerResponse, error) {
+	return nil, nil
+}
+
+// StopContainer stops a running container with a grace period (i.e., timeout).
+func (s *Server) StopContainer(context.Context, *pb.StopContainerRequest) (*pb.StopContainerResponse, error) {
+	return nil, nil
+}
+
+// RemoveContainer removes the container. If the container is running, the container
+// should be force removed.
+func (s *Server) RemoveContainer(context.Context, *pb.RemoveContainerRequest) (*pb.RemoveContainerResponse, error) {
+	return nil, nil
+}
+
+// ListContainers lists all containers by filters.
+func (s *Server) ListContainers(context.Context, *pb.ListContainersRequest) (*pb.ListContainersResponse, error) {
+	return nil, nil
+}
+
+// ContainerStatus returns status of the container.
+func (s *Server) ContainerStatus(context.Context, *pb.ContainerStatusRequest) (*pb.ContainerStatusResponse, error) {
+	return nil, nil
+}
+
+// Exec executes the command in the container.
+func (s *Server) Exec(pb.RuntimeService_ExecServer) error {
+	return nil
+}