shauryachats commented on code in PR #17581: URL: https://github.com/apache/pinot/pull/17581#discussion_r2791276341
########## pinot-tools/src/main/java/org/apache/pinot/tools/MultiClusterQuickstart.java: ########## @@ -0,0 +1,389 @@ +/** + * 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.pinot.tools; + +import com.fasterxml.jackson.databind.JsonNode; +import java.io.File; +import java.io.InputStream; +import java.net.URI; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import org.apache.commons.io.FileUtils; +import org.apache.hc.client5.http.entity.mime.FileBody; +import org.apache.hc.client5.http.entity.mime.MultipartEntityBuilder; +import org.apache.hc.core5.http.ContentType; +import org.apache.pinot.broker.broker.helix.BaseBrokerStarter; +import org.apache.pinot.broker.broker.helix.MultiClusterHelixBrokerStarter; +import org.apache.pinot.common.utils.ZkStarter; +import org.apache.pinot.common.utils.http.HttpClient; +import org.apache.pinot.controller.BaseControllerStarter; +import org.apache.pinot.controller.ControllerConf; +import org.apache.pinot.controller.ControllerStarter; +import org.apache.pinot.server.starter.helix.BaseServerStarter; +import org.apache.pinot.server.starter.helix.HelixServerStarter; +import org.apache.pinot.spi.config.table.TableType; +import org.apache.pinot.spi.data.LogicalTableConfig; +import org.apache.pinot.spi.data.PhysicalTableConfig; +import org.apache.pinot.spi.data.Schema; +import org.apache.pinot.spi.env.PinotConfiguration; +import org.apache.pinot.spi.utils.CommonConstants; +import org.apache.pinot.spi.utils.CommonConstants.Broker; +import org.apache.pinot.spi.utils.CommonConstants.Helix; +import org.apache.pinot.spi.utils.CommonConstants.Server; +import org.apache.pinot.spi.utils.JsonUtils; +import org.apache.pinot.spi.utils.NetUtils; +import org.apache.pinot.spi.utils.builder.TableConfigBuilder; +import org.apache.pinot.tools.admin.command.AbstractBaseAdminCommand; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** + * Multi-Cluster Quickstart demonstrating cross-cluster querying via logical tables. + * Usage: QuickStart -type MULTI_CLUSTER + */ +public class MultiClusterQuickstart extends QuickStartBase { + private static final Logger LOGGER = LoggerFactory.getLogger(MultiClusterQuickstart.class); + private static final int NUM_CLUSTERS = 3; + private static final String LOGICAL_TABLE = "unified_orders"; + private static final String SCHEMA_PATH = "/examples/logicalTables/orders_schema.json"; + private static final String DATA_PATH = "/examples/batch/orders/ordersUS/rawdata/ordersUS_sample.csv"; + + private final List<Cluster> _clusters = new ArrayList<>(); + private File _tmpDir; + + @Override + public List<String> types() { + return List.of("MULTI_CLUSTER", "MULTICLUSTER"); + } + + @Override + public void execute() throws Exception { + _tmpDir = _setCustomDataDir ? _dataDir : new File(_dataDir, "multicluster_" + System.currentTimeMillis()); + _tmpDir.mkdirs(); + + printStatus(Quickstart.Color.CYAN, "***** Starting Multi-Cluster Quickstart *****"); + try { + startClusters(); + setupTables(); + runQueries(); + printStatus(Quickstart.Color.GREEN, "***** Multi-Cluster Quickstart Complete *****"); + for (Cluster c : _clusters) { + printStatus(Quickstart.Color.GREEN, " " + c._name + ": http://localhost:"; + c._controllerPort); + } + Runtime.getRuntime().addShutdownHook(new Thread(this::cleanup)); + } catch (Exception e) { + LOGGER.error("Quickstart failed", e); + cleanup(); + throw e; + } + } + + private void startClusters() throws Exception { + // Initialize clusters + for (int i = 0; i < NUM_CLUSTERS; i++) { + Cluster c = new Cluster(); + c._index = i; + c._name = "MultiCluster" + (i + 1); + c._dir = new File(_tmpDir, "cluster" + (i + 1)); + c._dir.mkdirs(); + c._tableName = "orders_cluster" + (i + 1); + _clusters.add(c); + } + + // Start ZooKeepers + printStatus(Quickstart.Color.CYAN, "Starting ZooKeepers..."); + for (Cluster c : _clusters) { + c._zk = ZkStarter.startLocalZkServer(); + c._zkUrl = c._zk.getZkUrl(); + printStatus(Quickstart.Color.GREEN, " Started ZK for " + c._name + " at " + c._zkUrl); + } + + // Start Controllers + printStatus(Quickstart.Color.CYAN, "Starting Controllers..."); + for (Cluster c : _clusters) { + c._controllerPort = NetUtils.findOpenPort(9000 + c._index * 100); + Map<String, Object> cfg = Map.of( + ControllerConf.ZK_STR, c._zkUrl, + ControllerConf.HELIX_CLUSTER_NAME, c._name, + ControllerConf.CONTROLLER_HOST, "localhost", + ControllerConf.CONTROLLER_PORT, c._controllerPort, + ControllerConf.DATA_DIR, new File(c._dir, "ctrl").getAbsolutePath(), + ControllerConf.DISABLE_GROOVY, false, + CommonConstants.CONFIG_OF_TIMEZONE, "UTC"); + c._controller = new ControllerStarter(); + c._controller.init(new PinotConfiguration(cfg)); + c._controller.start(); + printStatus(Quickstart.Color.GREEN, " Started Controller for " + c._name + " on port " + c._controllerPort); + } + + // Start Brokers with multi-cluster config + printStatus(Quickstart.Color.CYAN, "Starting Brokers..."); + for (Cluster c : _clusters) { + c._brokerPort = NetUtils.findOpenPort(8000 + c._index * 100); + PinotConfiguration cfg = new PinotConfiguration(); + cfg.setProperty(Helix.CONFIG_OF_ZOOKEEPER_SERVER, c._zkUrl); + cfg.setProperty(Helix.CONFIG_OF_CLUSTER_NAME, c._name); + cfg.setProperty(Broker.CONFIG_OF_BROKER_HOSTNAME, "localhost"); + cfg.setProperty(Helix.KEY_OF_BROKER_QUERY_PORT, c._brokerPort); + cfg.setProperty(Broker.CONFIG_OF_DELAY_SHUTDOWN_TIME_MS, 0); + + // Configure remote clusters + List<String> remotes = new ArrayList<>(); + for (Cluster r : _clusters) { + if (r != c) { + remotes.add(r._name); + cfg.setProperty(String.format(Helix.CONFIG_OF_REMOTE_ZOOKEEPER_SERVERS, r._name), r._zkUrl); + } + } + if (!remotes.isEmpty()) { + cfg.setProperty(Helix.CONFIG_OF_REMOTE_CLUSTER_NAMES, String.join(",", remotes)); + } + + c._broker = new MultiClusterHelixBrokerStarter(); + c._broker.init(cfg); + c._broker.start(); + printStatus(Quickstart.Color.GREEN, " Started Broker for " + c._name + " on port " + c._brokerPort); + } + + // Start Servers + printStatus(Quickstart.Color.CYAN, "Starting Servers..."); + for (Cluster c : _clusters) { + int base = 7000 + c._index * 100; + c._serverPort = NetUtils.findOpenPort(base); + PinotConfiguration cfg = new PinotConfiguration(); + cfg.setProperty(Helix.CONFIG_OF_ZOOKEEPER_SERVER, c._zkUrl); + cfg.setProperty(Helix.CONFIG_OF_CLUSTER_NAME, c._name); + cfg.setProperty(Helix.KEY_OF_SERVER_NETTY_HOST, "localhost"); + cfg.setProperty(Helix.KEY_OF_SERVER_NETTY_PORT, NetUtils.findOpenPort(base + 10)); + cfg.setProperty(Server.CONFIG_OF_ADMIN_API_PORT, c._serverPort); + cfg.setProperty(Server.CONFIG_OF_GRPC_PORT, NetUtils.findOpenPort(base + 20)); + cfg.setProperty(Server.CONFIG_OF_INSTANCE_DATA_DIR, new File(c._dir, "data").getAbsolutePath()); + cfg.setProperty(Server.CONFIG_OF_INSTANCE_SEGMENT_TAR_DIR, new File(c._dir, "seg").getAbsolutePath()); + cfg.setProperty(Server.CONFIG_OF_SHUTDOWN_ENABLE_QUERY_CHECK, false); + cfg.setProperty(Helix.CONFIG_OF_MULTI_STAGE_ENGINE_ENABLED, true); + c._server = new HelixServerStarter(); + c._server.init(cfg); + c._server.start(); + printStatus(Quickstart.Color.GREEN, " Started Server for " + c._name + " on port " + c._serverPort); + } + + // Print cluster summary + printStatus(Quickstart.Color.GREEN, "\n***** All clusters started *****"); + printStatus(Quickstart.Color.YELLOW, "Cluster Summary:"); + for (Cluster c : _clusters) { + printStatus(Quickstart.Color.YELLOW, " " + c._name + ":"); + printStatus(Quickstart.Color.YELLOW, " ZooKeeper: http://"; + c._zkUrl); + printStatus(Quickstart.Color.YELLOW, " Controller: http://localhost:"; + c._controllerPort); + printStatus(Quickstart.Color.YELLOW, " Broker: http://localhost:"; + c._brokerPort); + printStatus(Quickstart.Color.YELLOW, " Server: http://localhost:"; + c._serverPort); + } + } + + private void setupTables() throws Exception { + printStatus(Quickstart.Color.CYAN, "***** Setting up tables *****"); + + // Create physical tables + for (Cluster c : _clusters) { + Schema schema = loadSchema(c._tableName); + uploadSchema(c, schema); + String tableJson = new TableConfigBuilder(TableType.OFFLINE).setTableName(c._tableName).build().toJsonString(); + post(c.ctrlUrl("/tables"), tableJson); + printStatus(Quickstart.Color.GREEN, " Physical table: " + c._tableName + " on " + c._name); + } + + // Load data + for (Cluster c : _clusters) { + File dataFile = new File(c._dir, "data.csv"); + generateClusterData(c, dataFile); + String url = c.ctrlUrl("/ingestFromFile?tableNameWithType=" + c._tableName + "_OFFLINE" + + "&batchConfigMapStr=" + java.net.URLEncoder.encode("{\"inputFormat\":\"csv\"}", StandardCharsets.UTF_8)); + var entity = MultipartEntityBuilder.create() + .addPart("file", new FileBody(dataFile, ContentType.TEXT_PLAIN)).build(); + new HttpClient().sendPostRequest(URI.create(url), entity, null, null); + printStatus(Quickstart.Color.GREEN, " Data loaded: " + c._name); + } + + // Create logical tables + for (Cluster c : _clusters) { + Schema schema = loadSchema(LOGICAL_TABLE); + uploadSchema(c, schema); + + Map<String, PhysicalTableConfig> physTables = new HashMap<>(); + for (Cluster other : _clusters) { + physTables.put(other._tableName + "_OFFLINE", new PhysicalTableConfig(other != c)); + } + LogicalTableConfig ltc = new LogicalTableConfig(); + ltc.setTableName(LOGICAL_TABLE); + ltc.setBrokerTenant("DefaultTenant"); + ltc.setRefOfflineTableName(c._tableName + "_OFFLINE"); + ltc.setPhysicalTableConfigMap(physTables); + post(c.ctrlUrl("/logicalTables"), ltc.toSingleLineJsonString()); + printStatus(Quickstart.Color.GREEN, " Logical table on " + c._name); + } + + Thread.sleep(5000); // Wait for tables to be ready Review Comment: Good call @chenboat, addressed. -- This is an automated message from the Apache Git Service. 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