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
   *
   *     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.cassandra.locator;
  
  import java.io.IOException;
  
  import org.apache.cassandra.locator.AbstractCloudMetadataServiceConnector.DefaultCloudMetadataServiceConnector;
  
  import static org.apache.cassandra.locator.AbstractCloudMetadataServiceConnector.METADATA_URL_PROPERTY;
  
  public class AlibabaCloudLocationProvider extends CloudMetadataLocationProvider
  {
      static final String DEFAULT_METADATA_SERVICE_URL = "http://100.100.100.200";
      static final String ZONE_NAME_QUERY_URL = "/latest/meta-data/zone-id";
  
      /**
       * Used via reflection by DatabaseDescriptor::createInitialLocationProvider
       */
      public AlibabaCloudLocationProvider() throws IOException
      {
          this(new SnitchProperties());
      }
  
      public AlibabaCloudLocationProvider(SnitchProperties properties) throws IOException
      {
          this(new DefaultCloudMetadataServiceConnector(properties.putIfAbsent(METADATA_URL_PROPERTY,
                                                                               DEFAULT_METADATA_SERVICE_URL)));
      }
  
      public AlibabaCloudLocationProvider(AbstractCloudMetadataServiceConnector connector) throws IOException
      {
          super(connector, c -> SnitchUtils.parseLocation(c.apiCall(ZONE_NAME_QUERY_URL), c.getProperties().getDcSuffix()));
      }
  }
  