| /* |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.knox.gateway.topology.discovery.ambari; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| public abstract class SparkCommonServiceURLCreator implements ServiceURLCreator { |
| |
| private static final String SCHEME_HTTP = "http"; |
| private static final String SCHEME_HTTPS = "https"; |
| |
| private static final String URL_TEMPLATE = "%s://%s:%s"; |
| |
| protected AmbariCluster cluster; |
| |
| String primaryComponentName; |
| |
| String secondaryComponentName; |
| |
| String portConfigProperty; |
| |
| @Override |
| public void init(AmbariCluster cluster) { |
| this.cluster = cluster; |
| } |
| |
| boolean isSSL(AmbariComponent comp) { |
| return false; |
| } |
| |
| String getPort(AmbariComponent comp) { |
| return comp.getConfigProperty(portConfigProperty); |
| } |
| |
| @Override |
| public List<String> create(String service, Map<String, String> serviceParams) { |
| List<String> urls = new ArrayList<>(); |
| |
| if (getTargetService().equalsIgnoreCase(service)) { |
| AmbariComponent comp = cluster.getComponent(primaryComponentName); |
| if (comp == null) { |
| comp = cluster.getComponent(secondaryComponentName); |
| } |
| |
| if (comp != null) { |
| String port = getPort(comp); |
| List<String> hostNames = comp.getHostNames(); |
| for (String host : hostNames) { |
| urls.add(String.format(Locale.ROOT, URL_TEMPLATE, (isSSL(comp) ? SCHEME_HTTPS : SCHEME_HTTP), host, port)); |
| } |
| } |
| } |
| |
| return urls; |
| } |
| } |