content: /*
   * 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.ambari.server.controller.internal;
  
  import java.util.Collections;
  import java.util.Map;
  
  import org.apache.ambari.server.controller.spi.SystemException;
  import org.apache.ambari.server.state.Cluster;
  
  /**
   * Atlas server specific HTTP property request.
   */
  public class AtlasServerHttpPropertyRequest extends JsonHttpPropertyRequest {
  
    private static final String PROPERTY_ENABLE_TLS = "atlas.enableTLS";
    private static final String PROPERTY_SERVER_HTTPS_PORT = "atlas.server.https.port";
    private static final String PROPERTY_SERVER_HTTP_PORT = "atlas.server.http.port";
    private static final String CONFIG_APPLICATION_PROPERTIES = "application-properties";
    private static final String URL_TEMPLATE = "%s://%s:%s/api/atlas/admin/status";
  
    private static final Map<String, String> PROPERTY_MAPPINGS =
        Collections.singletonMap("Status", "HostRoles/ha_state");
  
  
    // ----- Constructors ----------------------------------------------------
  
    public AtlasServerHttpPropertyRequest() {
      super(PROPERTY_MAPPINGS);
    }
  
  
    // ----- PropertyRequest -------------------------------------------------
  
    @Override
    public String getUrl(Cluster cluster, String hostName)
        throws SystemException {
  
      Map<String, String> atlasConfig = cluster.getDesiredConfigByType(CONFIG_APPLICATION_PROPERTIES).getProperties();
  
      boolean useHttps = Boolean.parseBoolean(getConfigValue(atlasConfig, PROPERTY_ENABLE_TLS, "false"));
  
      String port = useHttps ?
          getConfigValue(atlasConfig, PROPERTY_SERVER_HTTPS_PORT, "21443") :
          getConfigValue(atlasConfig, PROPERTY_SERVER_HTTP_PORT, "21000");
  
      return String.format(URL_TEMPLATE, useHttps ? "https" : "http", hostName, port);
    }
  
  
    // ----- helper methods --------------------------------------------------
  
    // get a configuration property value
    private String getConfigValue(Map<String, String> atlasConfig, String property, String defaultValue) {
      return atlasConfig.containsKey(property) ? atlasConfig.get(property) : defaultValue;
    }
  }
  