| /** |
| * 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; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import com.google.protobuf.InvalidProtocolBufferException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import org.apache.bookkeeper.client.BKException; |
| import org.apache.bookkeeper.client.BookKeeper; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| import org.apache.bookkeeper.mledger.ManagedLedgerException; |
| import org.apache.bookkeeper.mledger.ManagedLedgerFactory; |
| import org.apache.bookkeeper.mledger.impl.ManagedLedgerFactoryImpl; |
| import org.apache.pulsar.broker.service.schema.SchemaStorageFormat.SchemaLocator; |
| import org.apache.pulsar.common.naming.TopicName; |
| import org.apache.pulsar.zookeeper.ZooKeeperClientFactory; |
| import org.apache.pulsar.zookeeper.ZookeeperClientFactoryImpl; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.ZKUtil; |
| import org.apache.zookeeper.ZooKeeper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Teardown the metadata for a existed Pulsar cluster. |
| */ |
| public class PulsarClusterMetadataTeardown { |
| |
| private static class Arguments { |
| @Parameter(names = { "-zk", |
| "--zookeeper"}, description = "Local ZooKeeper quorum connection string", required = true) |
| private String zookeeper; |
| |
| @Parameter(names = { |
| "--zookeeper-session-timeout-ms" |
| }, description = "Local zookeeper session timeout ms") |
| private int zkSessionTimeoutMillis = 30000; |
| |
| @Parameter(names = { "-c", "-cluster", "--cluster" }, description = "Cluster name") |
| private String cluster; |
| |
| @Parameter(names = { "-cs", "--configuration-store" }, description = "Configuration Store connection string") |
| private String configurationStore; |
| |
| @Parameter(names = { "--bookkeeper-metadata-service-uri" }, description = "Metadata service uri of BookKeeper") |
| private String bkMetadataServiceUri; |
| |
| @Parameter(names = { "-h", "--help" }, description = "Show this help message") |
| private boolean help = false; |
| } |
| |
| public static String[] localZkNodes = { |
| "bookies", "counters", "loadbalance", "managed-ledgers", "namespace", "schemas", "stream" }; |
| |
| 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; |
| } |
| |
| if (arguments.bkMetadataServiceUri != null) { |
| BookKeeper bookKeeper = |
| new BookKeeper(new ClientConfiguration().setMetadataServiceUri(arguments.bkMetadataServiceUri)); |
| ZooKeeper localZk = initZk(arguments.zookeeper, arguments.zkSessionTimeoutMillis); |
| ManagedLedgerFactory managedLedgerFactory = new ManagedLedgerFactoryImpl(bookKeeper, localZk); |
| |
| deleteManagedLedgers(localZk, managedLedgerFactory); |
| deleteSchemaLedgers(localZk, bookKeeper); |
| |
| managedLedgerFactory.shutdown(); // `localZk` would be closed here |
| bookKeeper.close(); |
| } |
| |
| ZooKeeper localZk = initZk(arguments.zookeeper, arguments.zkSessionTimeoutMillis); |
| |
| for (String localZkNode : localZkNodes) { |
| deleteZkNodeRecursively(localZk, "/" + localZkNode); |
| } |
| |
| if (arguments.configurationStore != null && arguments.cluster != null) { |
| // Should it be done by REST API before broker is down? |
| ZooKeeper configStoreZk = initZk(arguments.configurationStore, arguments.zkSessionTimeoutMillis); |
| deleteZkNodeRecursively(configStoreZk, "/admin/clusters/" + arguments.cluster); |
| configStoreZk.close(); |
| } |
| |
| localZk.close(); |
| log.info("Cluster metadata for '{}' teardown.", arguments.cluster); |
| } |
| |
| public static ZooKeeper initZk(String connection, int sessionTimeout) throws InterruptedException { |
| ZooKeeperClientFactory zkFactory = new ZookeeperClientFactoryImpl(); |
| try { |
| return zkFactory.create(connection, ZooKeeperClientFactory.SessionType.ReadWrite, sessionTimeout).get(); |
| } catch (ExecutionException e) { |
| log.error("Failed to connect to '{}': {}", connection, e.getMessage()); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static void deleteZkNodeRecursively(ZooKeeper zooKeeper, String path) throws InterruptedException { |
| try { |
| ZKUtil.deleteRecursive(zooKeeper, path); |
| } catch (KeeperException e) { |
| log.warn("Failed to delete node {} from ZK [{}]: {}", path, zooKeeper, e); |
| } |
| } |
| |
| private static List<String> getChildren(ZooKeeper zooKeeper, String path) { |
| try { |
| return zooKeeper.getChildren(path, null); |
| } catch (InterruptedException | KeeperException e) { |
| if (e instanceof KeeperException.NoNodeException) { |
| return new ArrayList<>(); |
| } |
| log.error("Failed to get children of {}: {}", path, e); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static byte[] getData(ZooKeeper zooKeeper, String path) { |
| try { |
| return zooKeeper.getData(path, null, null); |
| } catch (KeeperException | InterruptedException e) { |
| log.error("Failed to get data from {}: {}", path, e); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static void deleteLedger(BookKeeper bookKeeper, long ledgerId) { |
| try { |
| bookKeeper.deleteLedger(ledgerId); |
| if (log.isDebugEnabled()) { |
| log.debug("Delete ledger id: {}", ledgerId); |
| } |
| } catch (InterruptedException | BKException e) { |
| log.error("Failed to delete ledger {}: {}", ledgerId, e); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static void deleteManagedLedgers(ZooKeeper zooKeeper, ManagedLedgerFactory managedLedgerFactory) { |
| final String managedLedgersRoot = "/managed-ledgers"; |
| getChildren(zooKeeper, managedLedgersRoot).forEach(tenant -> { |
| final String tenantRoot = managedLedgersRoot + "/" + tenant; |
| getChildren(zooKeeper, tenantRoot).forEach(namespace -> { |
| final String namespaceRoot = String.join("/", tenantRoot, namespace, "persistent"); |
| getChildren(zooKeeper, namespaceRoot).forEach(topic -> { |
| final TopicName topicName = TopicName.get(String.join("/", tenant, namespace, topic)); |
| try { |
| managedLedgerFactory.delete(topicName.getPersistenceNamingEncoding()); |
| } catch (InterruptedException | ManagedLedgerException e) { |
| log.error("Failed to delete ledgers of {}: {}", topicName, e); |
| throw new RuntimeException(e); |
| } |
| }); |
| }); |
| }); |
| } |
| |
| private static void deleteSchemaLedgers(ZooKeeper zooKeeper, BookKeeper bookKeeper) { |
| final String schemaLedgersRoot = "/schemas"; |
| getChildren(zooKeeper, schemaLedgersRoot).forEach(tenant -> { |
| final String tenantRoot = schemaLedgersRoot + "/" + tenant; |
| getChildren(zooKeeper, tenantRoot).forEach(namespace -> { |
| final String namespaceRoot = tenantRoot + "/" + namespace; |
| getChildren(zooKeeper, namespaceRoot).forEach(topic -> { |
| final String topicRoot = namespaceRoot + "/" + topic; |
| try { |
| SchemaLocator.parseFrom(getData(zooKeeper, topicRoot)).getIndexList().stream() |
| .map(indexEntry -> indexEntry.getPosition().getLedgerId()) |
| .forEach(ledgerId -> deleteLedger(bookKeeper, ledgerId)); |
| } catch (InvalidProtocolBufferException e) { |
| log.warn("Invalid data format from {}: {}", topicRoot, e); |
| } |
| }); |
| }); |
| }); |
| } |
| |
| private static final Logger log = LoggerFactory.getLogger(PulsarClusterMetadataTeardown.class); |
| } |