Minor cleanup.

Signed-off-by: Lantao Liu <lantaol@google.com>

pkg/server/events.go

@@ -49,6 +49,7 @@ func (c *criContainerdService) startEventMonitor() error {
 func (c *criContainerdService) handleEventStream(events execution.ContainerService_EventsClient) {
 	// TODO(random-liu): [P1] Should backoff on this error, or else this will
 	// cause a busy loop.
+	// TODO(random-liu): Handle io.EOF.
 	e, err := events.Recv()
 	if err != nil {
 		glog.Errorf("Failed to receive event: %v", err)

pkg/server/sandbox_remove.go

@@ -35,7 +35,7 @@ func (c *criContainerdService) RemovePodSandbox(ctx context.Context, r *runtime.
 	glog.V(2).Infof("RemovePodSandbox for sandbox %q", r.GetPodSandboxId())
 	defer func() {
 		if retErr == nil {
-			glog.V(2).Info("RemovePodSandbox %q returns successfully", r.GetPodSandboxId())
+			glog.V(2).Infof("RemovePodSandbox %q returns successfully", r.GetPodSandboxId())
 		}
 	}()
 
@@ -65,6 +65,7 @@ func (c *criContainerdService) RemovePodSandbox(ctx context.Context, r *runtime.
 		return nil, fmt.Errorf("sandbox container %q is not fully stopped", id)
 	}
 
+	// TODO(random-liu): [P0] Cleanup snapshot after switching to new snapshot api.
 	// TODO(random-liu): [P0] Cleanup shm created in RunPodSandbox.
 	// TODO(random-liu): [P1] Remove permanent namespace once used.
 

pkg/server/sandbox_stop.go

@@ -34,7 +34,7 @@ func (c *criContainerdService) StopPodSandbox(ctx context.Context, r *runtime.St
 	glog.V(2).Infof("StopPodSandbox for sandbox %q", r.GetPodSandboxId())
 	defer func() {
 		if retErr == nil {
-			glog.V(2).Info("StopPodSandbox %q returns successfully", r.GetPodSandboxId())
+			glog.V(2).Infof("StopPodSandbox %q returns successfully", r.GetPodSandboxId())
 		}
 	}()
 
@@ -56,7 +56,7 @@ func (c *criContainerdService) StopPodSandbox(ctx context.Context, r *runtime.St
 	} else if !os.IsNotExist(err) { // It's ok for sandbox.NetNS to *not* exist
 		return nil, fmt.Errorf("failed to stat netns path for sandbox %q before tearing down the network: %v", id, err)
 	}
-	glog.V(2).Info("TearDown network for sandbox %q successfully", id)
+	glog.V(2).Infof("TearDown network for sandbox %q successfully", id)
 
 	// TODO(random-liu): [P1] Handle sandbox container graceful deletion.
 	// Delete the sandbox container from containerd.