| /* |
| * 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.ambari.infra.solr.commands; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.ambari.infra.solr.AmbariSolrCloudClient; |
| import org.apache.ambari.infra.solr.util.AclUtils; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.solr.common.cloud.SolrZkClient; |
| import org.apache.solr.common.cloud.SolrZooKeeper; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.ZooDefs; |
| import org.apache.zookeeper.data.ACL; |
| import org.apache.zookeeper.data.Id; |
| import org.apache.zookeeper.data.Stat; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class SecureSolrZNodeZkCommand extends AbstractZookeeperRetryCommand<Boolean> { |
| |
| private static final Logger logger = LoggerFactory.getLogger(SecureSolrZNodeZkCommand.class); |
| |
| public SecureSolrZNodeZkCommand(int maxRetries, int interval) { |
| super(maxRetries, interval); |
| } |
| |
| @Override |
| protected Boolean executeZkCommand(AmbariSolrCloudClient client, SolrZkClient zkClient, SolrZooKeeper solrZooKeeper) throws Exception { |
| String zNode = client.getZnode(); |
| List<ACL> saslUserList = AclUtils.createAclListFromSaslUsers(client.getSaslUsers().split(",")); |
| List<ACL> newAclList = new ArrayList<>(saslUserList); |
| newAclList.add(new ACL(ZooDefs.Perms.READ, new Id("world", "anyone"))); |
| |
| String configsPath = String.format("%s/%s", zNode, "configs"); |
| String collectionsPath = String.format("%s/%s", zNode, "collections"); |
| String aliasesPath = String.format("%s/%s", zNode, "aliases.json"); // TODO: protect this later somehow |
| List<String> excludePaths = Arrays.asList(configsPath, collectionsPath, aliasesPath); |
| |
| createZnodeIfNeeded(configsPath, client.getSolrZkClient()); |
| createZnodeIfNeeded(collectionsPath, client.getSolrZkClient()); |
| |
| AclUtils.setRecursivelyOn(client.getSolrZkClient().getSolrZooKeeper(), zNode, newAclList, excludePaths); |
| |
| List<ACL> commonConfigAcls = new ArrayList<>(saslUserList); |
| commonConfigAcls.add(new ACL(ZooDefs.Perms.READ | ZooDefs.Perms.CREATE, new Id("world", "anyone"))); |
| |
| logger.info("Set sasl users for znode '{}' : {}", client.getZnode(), StringUtils.join(saslUserList, ",")); |
| logger.info("Skip {}/configs and {}/collections", client.getZnode(), client.getZnode()); |
| solrZooKeeper.setACL(configsPath, AclUtils.mergeAcls(solrZooKeeper.getACL(configsPath, new Stat()), commonConfigAcls), -1); |
| solrZooKeeper.setACL(collectionsPath, AclUtils.mergeAcls(solrZooKeeper.getACL(collectionsPath, new Stat()), commonConfigAcls), -1); |
| |
| logger.info("Set world:anyone to 'cr' on {}/configs and {}/collections", client.getZnode(), client.getZnode()); |
| AclUtils.setRecursivelyOn(solrZooKeeper, configsPath, saslUserList); |
| AclUtils.setRecursivelyOn(solrZooKeeper, collectionsPath, saslUserList); |
| |
| return true; |
| } |
| |
| private void createZnodeIfNeeded(String configsPath, SolrZkClient zkClient) throws KeeperException, InterruptedException { |
| if (!zkClient.exists(configsPath, true)) { |
| logger.info("'{}' does not exist. Creating it ...", configsPath); |
| zkClient.makePath(configsPath, true); |
| } |
| } |
| } |