| /* |
| * 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; |
| |
| import org.apache.ambari.infra.solr.commands.CheckConfigZkCommand; |
| import org.apache.ambari.infra.solr.commands.CreateCollectionCommand; |
| import org.apache.ambari.infra.solr.commands.CreateShardCommand; |
| import org.apache.ambari.infra.solr.commands.CreateSolrZnodeZkCommand; |
| import org.apache.ambari.infra.solr.commands.DownloadConfigZkCommand; |
| import org.apache.ambari.infra.solr.commands.EnableKerberosPluginSolrZkCommand; |
| import org.apache.ambari.infra.solr.commands.GetShardsCommand; |
| import org.apache.ambari.infra.solr.commands.GetSolrHostsCommand; |
| import org.apache.ambari.infra.solr.commands.ListCollectionCommand; |
| import org.apache.ambari.infra.solr.commands.SecureSolrZNodeZkCommand; |
| import org.apache.ambari.infra.solr.commands.SecureZNodeZkCommand; |
| import org.apache.ambari.infra.solr.commands.SetClusterPropertyZkCommand; |
| import org.apache.ambari.infra.solr.commands.UnsecureZNodeZkCommand; |
| import org.apache.ambari.infra.solr.commands.UploadConfigZkCommand; |
| import org.apache.ambari.infra.solr.commands.CheckZnodeZkCommand; |
| import org.apache.ambari.infra.solr.util.ShardUtils; |
| import org.apache.solr.client.solrj.impl.CloudSolrClient; |
| import org.apache.solr.common.cloud.Slice; |
| import org.apache.solr.common.cloud.SolrZkClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Client for communicate with Solr (and Zookeeper) |
| */ |
| public class AmbariSolrCloudClient { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AmbariSolrCloudClient.class); |
| |
| private final String zkConnectString; |
| private final String collection; |
| private final String configSet; |
| private final String configDir; |
| private final int shards; |
| private final int replication; |
| private final int retryTimes; |
| private final int interval; |
| private final CloudSolrClient solrCloudClient; |
| private final SolrZkClient solrZkClient; |
| private final int maxShardsPerNode; |
| private final String routerName; |
| private final String routerField; |
| private final boolean splitting; |
| private final String jaasFile; |
| private final String znode; |
| private final String saslUsers; |
| private final String propName; |
| private final String propValue; |
| private final String securityJsonLocation; |
| private final boolean secure; |
| |
| public AmbariSolrCloudClient(AmbariSolrCloudClientBuilder builder) { |
| this.zkConnectString = builder.zkConnectString; |
| this.collection = builder.collection; |
| this.configSet = builder.configSet; |
| this.configDir = builder.configDir; |
| this.shards = builder.shards; |
| this.replication = builder.replication; |
| this.retryTimes = builder.retryTimes; |
| this.interval = builder.interval; |
| this.jaasFile = builder.jaasFile; |
| this.solrCloudClient = builder.solrCloudClient; |
| this.solrZkClient = builder.solrZkClient; |
| this.maxShardsPerNode = builder.maxShardsPerNode; |
| this.routerName = builder.routerName; |
| this.routerField = builder.routerField; |
| this.splitting = builder.splitting; |
| this.znode = builder.znode; |
| this.saslUsers = builder.saslUsers; |
| this.propName = builder.propName; |
| this.propValue = builder.propValue; |
| this.securityJsonLocation = builder.securityJsonLocation; |
| this.secure = builder.secure; |
| } |
| |
| /** |
| * Get Solr collections |
| */ |
| public List<String> listCollections() throws Exception { |
| return new ListCollectionCommand(getRetryTimes(), getInterval()).run(this); |
| } |
| |
| /** |
| * Create Solr collection if exists |
| */ |
| public String createCollection() throws Exception { |
| List<String> collections = listCollections(); |
| if (!collections.contains(getCollection())) { |
| String collection = new CreateCollectionCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("Collection '{}' creation request sent.", collection); |
| } else { |
| LOG.info("Collection '{}' already exits.", getCollection()); |
| if (this.isSplitting()) { |
| createShard(null); |
| } |
| } |
| return getCollection(); |
| } |
| |
| /** |
| * Set cluster property in clusterprops.json. |
| */ |
| public void setClusterProp() throws Exception { |
| LOG.info("Set cluster prop: '{}'", this.getPropName()); |
| String newPropValue = new SetClusterPropertyZkCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("Set cluster prop '{}' successfully to '{}'", this.getPropName(), newPropValue); |
| } |
| |
| /** |
| * Create a znode only if it does not exist. Return 0 code if it exists. |
| */ |
| public void createZnode() throws Exception { |
| boolean znodeExists = isZnodeExists(this.znode); |
| if (znodeExists) { |
| LOG.info("Znode '{}' already exists.", this.znode); |
| } else { |
| LOG.info("Znode '{}' does not exist. Creating...", this.znode); |
| String newZnode = new CreateSolrZnodeZkCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("Znode '{}' is created successfully.", newZnode); |
| } |
| } |
| |
| /** |
| * Check znode exists or not based on the zookeeper connect string. |
| * E.g.: localhost:2181 and znode: /ambari-solr, checks existance of localhost:2181/ambari-solr |
| */ |
| public boolean isZnodeExists(String znode) throws Exception { |
| LOG.info("Check '{}' znode exists or not", znode); |
| boolean result = new CheckZnodeZkCommand(getRetryTimes(), getInterval(), znode).run(this); |
| if (result) { |
| LOG.info("'{}' znode exists", znode); |
| } else { |
| LOG.info("'{}' znode does not exist", znode); |
| } |
| return result; |
| } |
| |
| public void setupKerberosPlugin() throws Exception { |
| LOG.info("Setup kerberos plugin in security.json"); |
| new EnableKerberosPluginSolrZkCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("KerberosPlugin is set in security.json"); |
| } |
| |
| /** |
| * Secure solr znode |
| */ |
| public void secureSolrZnode() throws Exception { |
| new SecureSolrZNodeZkCommand(getRetryTimes(), getInterval()).run(this); |
| } |
| |
| /** |
| * Secure znode |
| */ |
| public void secureZnode() throws Exception { |
| new SecureZNodeZkCommand(getRetryTimes(), getInterval()).run(this); |
| } |
| |
| /** |
| * Unsecure znode |
| */ |
| public void unsecureZnode() throws Exception { |
| LOG.info("Disable security for znode - ", this.getZnode()); |
| new UnsecureZNodeZkCommand(getRetryTimes(), getInterval()).run(this); |
| } |
| |
| /** |
| * Upload config set to zookeeper |
| */ |
| public String uploadConfiguration() throws Exception { |
| String configSet = new UploadConfigZkCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("'{}' is uploaded to zookeeper.", configSet); |
| return configSet; |
| } |
| |
| /** |
| * Download config set from zookeeper |
| */ |
| public String downloadConfiguration() throws Exception { |
| String configDir = new DownloadConfigZkCommand(getRetryTimes(), getInterval()).run(this); |
| LOG.info("Config set is download from zookeeper. ({})", configDir); |
| return configDir; |
| } |
| |
| /** |
| * Get configuration if exists in zookeeper |
| */ |
| public boolean configurationExists() throws Exception { |
| boolean configExits = new CheckConfigZkCommand(getRetryTimes(), getInterval()).run(this); |
| if (configExits) { |
| LOG.info("Config {} exits", configSet); |
| } else { |
| LOG.info("Configuration '{}' does not exist", configSet); |
| } |
| return configExits; |
| } |
| |
| /** |
| * Create shard in collection - create a new one if shard name specified, if |
| * not create based on the number of shards logic (with shard_# suffix) |
| * |
| * @param shard |
| * name of the created shard |
| */ |
| public Collection<String> createShard(String shard) throws Exception { |
| Collection<String> existingShards = getShardNames(); |
| if (shard != null) { |
| new CreateShardCommand(shard, getRetryTimes(), getInterval()).run(this); |
| existingShards.add(shard); |
| } else { |
| List<String> shardList = ShardUtils.generateShardList(getMaxShardsPerNode()); |
| for (String shardName : shardList) { |
| if (!existingShards.contains(shardName)) { |
| new CreateShardCommand(shardName, getRetryTimes(), getInterval()).run(this); |
| LOG.info("Adding new shard to collection request sent ('{}': {})", getCollection(), shardName); |
| existingShards.add(shardName); |
| } |
| } |
| } |
| return existingShards; |
| } |
| |
| /** |
| * Get shard names |
| */ |
| public Collection<String> getShardNames() throws Exception { |
| Collection<Slice> slices = new GetShardsCommand(getRetryTimes(), getInterval()).run(this); |
| return ShardUtils.getShardNamesFromSlices(slices, this.getCollection()); |
| } |
| |
| /** |
| * Get Solr Hosts |
| */ |
| public Collection<String> getSolrHosts() throws Exception { |
| return new GetSolrHostsCommand(getRetryTimes(), getInterval()).run(this); |
| } |
| |
| public String getZkConnectString() { |
| return zkConnectString; |
| } |
| |
| public String getCollection() { |
| return collection; |
| } |
| |
| public String getConfigSet() { |
| return configSet; |
| } |
| |
| public String getConfigDir() { |
| return configDir; |
| } |
| |
| public int getShards() { |
| return shards; |
| } |
| |
| public int getReplication() { |
| return replication; |
| } |
| |
| public int getRetryTimes() { |
| return retryTimes; |
| } |
| |
| public int getInterval() { |
| return interval; |
| } |
| |
| public CloudSolrClient getSolrCloudClient() { |
| return solrCloudClient; |
| } |
| |
| public SolrZkClient getSolrZkClient() { |
| return solrZkClient; |
| } |
| |
| public int getMaxShardsPerNode() { |
| return maxShardsPerNode; |
| } |
| |
| public String getRouterName() { |
| return routerName; |
| } |
| |
| public String getRouterField() { |
| return routerField; |
| } |
| |
| public boolean isSplitting() { |
| return splitting; |
| } |
| |
| public String getJaasFile() { |
| return jaasFile; |
| } |
| |
| public String getSaslUsers() { |
| return saslUsers; |
| } |
| |
| public String getZnode() { |
| return znode; |
| } |
| |
| public String getPropName() { |
| return propName; |
| } |
| |
| public String getPropValue() { |
| return propValue; |
| } |
| |
| public boolean isSecure() { |
| return secure; |
| } |
| |
| public String getSecurityJsonLocation() { |
| return securityJsonLocation; |
| } |
| } |