| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.metron.rest.service.impl; |
| |
| import org.apache.metron.rest.model.TopologyResponse; |
| import org.apache.metron.rest.model.TopologyStatus; |
| import org.apache.metron.rest.model.TopologyStatusCode; |
| import org.apache.metron.rest.model.TopologySummary; |
| import org.apache.metron.rest.service.StormStatusService; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.core.env.Environment; |
| import org.springframework.stereotype.Service; |
| import org.springframework.web.client.RestTemplate; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.apache.metron.rest.MetronRestConstants.STORM_UI_SPRING_PROPERTY; |
| import static org.apache.metron.rest.MetronRestConstants.TOPOLOGY_SUMMARY_URL; |
| import static org.apache.metron.rest.MetronRestConstants.TOPOLOGY_URL; |
| |
| @Service |
| public class StormStatusServiceImpl implements StormStatusService { |
| |
| private Environment environment; |
| |
| private RestTemplate restTemplate; |
| |
| @Autowired |
| public StormStatusServiceImpl(Environment environment, RestTemplate restTemplate) { |
| this.environment = environment; |
| this.restTemplate = restTemplate; |
| } |
| |
| @Override |
| public TopologySummary getTopologySummary() { |
| return restTemplate.getForObject(getStormUiProperty() + TOPOLOGY_SUMMARY_URL, TopologySummary.class); |
| } |
| |
| @Override |
| public TopologyStatus getTopologyStatus(String name) { |
| TopologyStatus topologyResponse = null; |
| String id = null; |
| for (TopologyStatus topology : getTopologySummary().getTopologies()) { |
| if (name.equals(topology.getName())) { |
| id = topology.getId(); |
| break; |
| } |
| } |
| if (id != null) { |
| topologyResponse = restTemplate.getForObject(getStormUiProperty() + TOPOLOGY_URL + "/" + id, TopologyStatus.class); |
| } |
| return topologyResponse; |
| } |
| |
| @Override |
| public List<TopologyStatus> getAllTopologyStatus() { |
| List<TopologyStatus> topologyStatus = new ArrayList<>(); |
| for (TopologyStatus topology : getTopologySummary().getTopologies()) { |
| topologyStatus.add(restTemplate.getForObject(getStormUiProperty() + TOPOLOGY_URL + "/" + topology.getId(), TopologyStatus.class)); |
| } |
| return topologyStatus; |
| } |
| |
| @Override |
| public TopologyResponse activateTopology(String name) { |
| TopologyResponse topologyResponse = new TopologyResponse(); |
| String id = null; |
| for (TopologyStatus topology : getTopologySummary().getTopologies()) { |
| if (name.equals(topology.getName())) { |
| id = topology.getId(); |
| break; |
| } |
| } |
| if (id != null) { |
| Map result = restTemplate.postForObject(getStormUiProperty() + TOPOLOGY_URL + "/" + id + "/activate", null, Map.class); |
| if("success".equals(result.get("status"))) { |
| topologyResponse.setSuccessMessage(TopologyStatusCode.ACTIVE.toString()); |
| } else { |
| topologyResponse.setErrorMessage((String) result.get("status")); |
| } |
| } else { |
| topologyResponse.setErrorMessage(TopologyStatusCode.TOPOLOGY_NOT_FOUND.toString()); |
| } |
| return topologyResponse; |
| } |
| |
| @Override |
| public TopologyResponse deactivateTopology(String name) { |
| TopologyResponse topologyResponse = new TopologyResponse(); |
| String id = null; |
| for (TopologyStatus topology : getTopologySummary().getTopologies()) { |
| if (name.equals(topology.getName())) { |
| id = topology.getId(); |
| break; |
| } |
| } |
| if (id != null) { |
| Map result = restTemplate.postForObject(getStormUiProperty() + TOPOLOGY_URL + "/" + id + "/deactivate", null, Map.class); |
| if("success".equals(result.get("status"))) { |
| topologyResponse.setSuccessMessage(TopologyStatusCode.INACTIVE.toString()); |
| } else { |
| topologyResponse.setErrorMessage((String) result.get("status")); |
| } |
| } else { |
| topologyResponse.setErrorMessage(TopologyStatusCode.TOPOLOGY_NOT_FOUND.toString()); |
| } |
| return topologyResponse; |
| } |
| |
| // If we don't have a protocol, choose http |
| protected String getStormUiProperty() { |
| String baseValue = environment.getProperty(STORM_UI_SPRING_PROPERTY); |
| if(!(baseValue.contains("://"))) { |
| return "http://" + baseValue; |
| } |
| return baseValue; |
| } |
| } |