virtcontainers: update resources after adding container to sandbox

Status of container should know prior to calculate the number of CPU
and memory

Signed-off-by: Julio Montes <julio.montes@intel.com>

virtcontainers/sandbox.go

@@ -1176,12 +1176,6 @@ func (s *Sandbox) CreateContainer(contConfig ContainerConfig) (VCContainer, erro
 		}
 	}()
 
-	// Sandbox is reponsable to update VM resources needed by Containers
-	err = s.updateResources()
-	if err != nil {
-		return nil, err
-	}
-
 	err = c.create()
 	if err != nil {
 		return nil, err
@@ -1192,6 +1186,14 @@ func (s *Sandbox) CreateContainer(contConfig ContainerConfig) (VCContainer, erro
 		return nil, err
 	}
 
+	// Sandbox is reponsable to update VM resources needed by Containers
+	// Update resources after having added containers to the sandbox, since
+	// container status is requiered to know if more resources should be added.
+	err = s.updateResources()
+	if err != nil {
+		return nil, err
+	}
+
 	// Store it.
 	err = c.storeContainer()
 	if err != nil {
@@ -1228,7 +1230,13 @@ func (s *Sandbox) StartContainer(containerID string) (VCContainer, error) {
 	}
 
 	s.Logger().Info("Container is started")
-	//Fixme Container delete from sandbox, need to update resources
+
+	// Update sandbox resources in case a stopped container
+	// is started
+	err = s.updateResources()
+	if err != nil {
+		return nil, err
+	}
 
 	return c, nil
 }
@@ -1487,10 +1495,6 @@ func (s *Sandbox) createContainers() error {
 	span, _ := s.trace("createContainers")
 	defer span.Finish()
 
-	if err := s.updateResources(); err != nil {
-		return err
-	}
-
 	for _, contConfig := range s.config.Containers {
 
 		c, err := newContainer(s, &contConfig)
@@ -1506,6 +1510,12 @@ func (s *Sandbox) createContainers() error {
 		}
 	}
 
+	// Update resources after having added containers to the sandbox, since
+	// container status is requiered to know if more resources should be added.
+	if err := s.updateResources(); err != nil {
+		return err
+	}
+
 	if err := s.cgroupsUpdate(); err != nil {
 		return err
 	}