| /* |
| * 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.hadoop.ozone.s3; |
| |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.ozone.OmUtils; |
| import org.apache.hadoop.ozone.s3.util.OzoneS3Util; |
| import org.apache.hadoop.security.SecurityUtil; |
| |
| import javax.annotation.PostConstruct; |
| import javax.enterprise.context.ApplicationScoped; |
| import javax.enterprise.inject.Produces; |
| import javax.inject.Inject; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_NODES_KEY; |
| import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_SERVICE_IDS_KEY; |
| |
| /** |
| * This class creates the OM service . |
| */ |
| @ApplicationScoped |
| public class OzoneServiceProvider { |
| |
| private Text omServiceAddr; |
| |
| private String omserviceID; |
| |
| @Inject |
| private OzoneConfiguration conf; |
| |
| @PostConstruct |
| public void init() { |
| Collection<String> serviceIdList = |
| conf.getTrimmedStringCollection(OZONE_OM_SERVICE_IDS_KEY); |
| if (serviceIdList.size() == 0) { |
| // Non-HA cluster |
| omServiceAddr = SecurityUtil.buildTokenService(OmUtils. |
| getOmAddressForClients(conf)); |
| } else { |
| // HA cluster. |
| //For now if multiple service id's are configured we throw exception. |
| // As if multiple service id's are configured, S3Gateway will not be |
| // knowing which one to talk to. In future, if OM federation is supported |
| // we can resolve this by having another property like |
| // ozone.om.internal.service.id. |
| // TODO: Revisit this later. |
| if (serviceIdList.size() > 1) { |
| throw new IllegalArgumentException("Multiple serviceIds are " + |
| "configured. " + Arrays.toString(serviceIdList.toArray())); |
| } else { |
| String serviceId = serviceIdList.iterator().next(); |
| Collection<String> omNodeIds = OmUtils.getOMNodeIds(conf, serviceId); |
| if (omNodeIds.size() == 0) { |
| throw new IllegalArgumentException(OZONE_OM_NODES_KEY |
| + "." + serviceId + " is not defined"); |
| } |
| omServiceAddr = new Text(OzoneS3Util.buildServiceNameForToken(conf, |
| serviceId, omNodeIds)); |
| omserviceID = serviceId; |
| } |
| } |
| } |
| |
| |
| @Produces |
| public Text getService() { |
| return omServiceAddr; |
| } |
| |
| @Produces |
| public String getOmServiceID() { |
| return omserviceID; |
| } |
| |
| } |