Java tutorial
/* * * * * * * Copyright (c) 2016 Open Baton (http://www.openbaton.org) * * * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * * you may not use this file except in compliance with the License. * * * You may obtain a copy of the License at * * * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * * * Unless required by applicable law or agreed to in writing, software * * * distributed under the License is distributed on an "AS IS" BASIS, * * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * * See the License for the specific language governing permissions and * * * limitations under the License. * * * */ package org.openbaton.autoscaling.api; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import org.openbaton.autoscaling.core.management.ElasticityManagement; import org.openbaton.catalogue.mano.record.NetworkServiceRecord; import org.openbaton.catalogue.mano.record.VirtualNetworkFunctionRecord; import org.openbaton.catalogue.nfvo.Action; import org.openbaton.exceptions.NotFoundException; import org.openbaton.exceptions.VimException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.web.bind.annotation.*; @RestController @RequestMapping("/elasticity-management") public class RestElasticityManagementInterface { private Logger log = LoggerFactory.getLogger(this.getClass()); @Autowired private ElasticityManagement elasticityManagement; /** * Activates autoscaling for the passed NSR * * @param msg : NSR in payload to add for autoscaling */ @RequestMapping(value = "INSTANTIATE_FINISH", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE) @ResponseStatus(HttpStatus.CREATED) public void activate(@RequestBody String msg) throws NotFoundException, VimException { log.trace("msg=" + msg); JsonParser jsonParser = new JsonParser(); JsonObject json = jsonParser.parse(msg).getAsJsonObject(); Gson mapper = new GsonBuilder().create(); Action action = mapper.fromJson(json.get("action"), Action.class); log.trace("ACTION=" + action); NetworkServiceRecord nsr = mapper.fromJson(json.get("payload"), NetworkServiceRecord.class); log.trace("NSR=" + nsr); elasticityManagement.activate(nsr.getProjectId(), nsr.getId()); } /** * Deactivates autoscaling for the passed NSR * * @param msg : NSR in payload to add for autoscaling */ @RequestMapping(value = "RELEASE_RESOURCES_FINISH", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE) @ResponseStatus(HttpStatus.CREATED) public void deactivate(@RequestBody String msg) throws NotFoundException { log.trace("msg=" + msg); JsonParser jsonParser = new JsonParser(); JsonObject json = jsonParser.parse(msg).getAsJsonObject(); Gson mapper = new GsonBuilder().create(); Action action = mapper.fromJson(json.get("action"), Action.class); log.trace("ACTION=" + action); NetworkServiceRecord nsr = mapper.fromJson(json.get("payload"), NetworkServiceRecord.class); log.trace("NSR=" + nsr); for (VirtualNetworkFunctionRecord vnfr : nsr.getVnfr()) { elasticityManagement.deactivate(nsr.getProjectId(), nsr.getId(), vnfr); } } /** * Stops autoscaling for the passed NSR * * @param msg : NSR in payload to add for autoscaling */ @RequestMapping(value = "ERROR", method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE) @ResponseStatus(HttpStatus.CREATED) public void stop(@RequestBody String msg) throws NotFoundException { log.trace("msg=" + msg); JsonParser jsonParser = new JsonParser(); JsonObject json = jsonParser.parse(msg).getAsJsonObject(); Gson mapper = new GsonBuilder().create(); Action action = mapper.fromJson(json.get("action"), Action.class); log.trace("ACTION=" + action); // try { // NetworkServiceRecord nsr = mapper.fromJson(json.get("payload"), NetworkServiceRecord.class); // log.debug("NSR=" + nsr); // elasticityManagement.deactivate(nsr); // } catch (NullPointerException e) { // VirtualNetworkFunctionRecord vnfr = mapper.fromJson(json.get("payload"), VirtualNetworkFunctionRecord.class); // log.debug("vnfr=" + vnfr); // elasticityManagement.deactivate(vnfr); // } } }