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[Transaction Coordinator] Bootstrap pulsar system namespace and creat…
…e TC assign topic. (apache#5515) ### Motivation Introduce pulsar system namespace and init transaction coordinator assign topic when init pulsar cluster. Broker will bootstrap the system namespace if broker enable transaction coordinator. ### Verifying this change Added new unit tests for system namespace Bootstrap
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pulsar-broker/src/main/java/org/apache/pulsar/PulsarTransactionCoordinatorMetadataSetup.java
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| /** | ||
| * 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.pulsar; | ||
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| import com.beust.jcommander.JCommander; | ||
| import com.beust.jcommander.Parameter; | ||
| import org.apache.pulsar.common.naming.NamespaceName; | ||
| import org.apache.pulsar.common.naming.TopicName; | ||
| import org.apache.zookeeper.ZooKeeper; | ||
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| /** | ||
| * Setup the transaction coordinator metadata for a cluster, the setup will create pulsar/system namespace and create | ||
| * partitioned topic for transaction coordinator assign | ||
| */ | ||
| public class PulsarTransactionCoordinatorMetadataSetup { | ||
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| private static class Arguments { | ||
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| @Parameter(names = { "-c", "--cluster" }, description = "Cluster name", required = true) | ||
| private String cluster; | ||
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| @Parameter(names = { "-cs", | ||
| "--configuration-store" }, description = "Configuration Store connection string", required = true) | ||
| private String configurationStore; | ||
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| @Parameter(names = { | ||
| "--zookeeper-session-timeout-ms" | ||
| }, description = "Local zookeeper session timeout ms") | ||
| private int zkSessionTimeoutMillis = 30000; | ||
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| @Parameter(names = { | ||
| "--initial-num-transaction-coordinators" | ||
| }, description = "Num transaction coordinators will assigned in cluster") | ||
| private int numTransactionCoordinators = 16; | ||
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| @Parameter(names = { "-h", "--help" }, description = "Show this help message") | ||
| private boolean help = false; | ||
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| } | ||
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| public static void main(String[] args) throws Exception { | ||
| Arguments arguments = new Arguments(); | ||
| JCommander jcommander = new JCommander(); | ||
| try { | ||
| jcommander.addObject(arguments); | ||
| jcommander.parse(args); | ||
| if (arguments.help) { | ||
| jcommander.usage(); | ||
| return; | ||
| } | ||
| } catch (Exception e) { | ||
| jcommander.usage(); | ||
| throw e; | ||
| } | ||
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| if (arguments.configurationStore == null) { | ||
| System.err.println("Configuration store address argument is required (--configuration-store)"); | ||
| jcommander.usage(); | ||
| System.exit(1); | ||
| } | ||
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| if (arguments.numTransactionCoordinators <= 0) { | ||
| System.err.println("Number of transaction coordinators must greater than 0"); | ||
| System.exit(1); | ||
| } | ||
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| ZooKeeper configStoreZk = PulsarClusterMetadataSetup | ||
| .initZk(arguments.configurationStore, arguments.zkSessionTimeoutMillis); | ||
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| // Create system tenant | ||
| PulsarClusterMetadataSetup | ||
| .createTenantIfAbsent(configStoreZk, NamespaceName.SYSTEM_NAMESPACE.getTenant(), arguments.cluster); | ||
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| // Create system namespace | ||
| PulsarClusterMetadataSetup.createNamespaceIfAbsent(configStoreZk, NamespaceName.SYSTEM_NAMESPACE, | ||
| arguments.cluster); | ||
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| // Create transaction coordinator assign partitioned topic | ||
| PulsarClusterMetadataSetup.createPartitionedTopic(configStoreZk, TopicName.TRANSACTION_COORDINATOR_ASSIGN, | ||
| arguments.numTransactionCoordinators); | ||
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| System.out.println("Transaction coordinator metadata setup success"); | ||
| } | ||
| } |
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