Adds set default gateway (#21)

Author: katia-e

ovc/cloudspaces.go

@@ -109,6 +109,7 @@ type CloudSpaceService interface {
 	Create(*CloudSpaceConfig) (string, error)
 	Update(*CloudSpaceConfig) error
 	Delete(*CloudSpaceDeleteConfig) error
+	SetDefaultGateway(int, string) error
 }
 
 // CloudSpaceServiceOp handles communication with the cloudspace related methods of the
@@ -235,3 +236,22 @@ func (s *CloudSpaceServiceOp) Update(cloudSpaceConfig *CloudSpaceConfig) error {
 
 	return err
 }
+
+// SetDefaultGateway sets default gateway of the cloudspace to the given IP address
+func (s *CloudSpaceServiceOp) SetDefaultGateway(cloudspaceID int, gateway string) error {
+	csMap := make(map[string]interface{})
+	csMap["cloudspaceId"] = cloudspaceID
+	csMap["gateway"] = gateway
+
+	csMapJSON, err := json.Marshal(csMap)
+	if err != nil {
+		return err
+	}
+	req, err := http.NewRequest("POST", s.client.ServerURL+"/cloudapi/cloudspaces/setDefaultGateway", bytes.NewBuffer(csMapJSON))
+	if err != nil {
+		return err
+	}
+	_, err = s.client.Do(req)
+
+	return err
+}