| /* |
| * 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.Optional; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.stream.Collectors; |
| import lombok.Cleanup; |
| 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.common.util.FutureUtil; |
| import org.apache.pulsar.docs.tools.CmdGenerateDocs; |
| import org.apache.pulsar.metadata.api.MetadataStore; |
| import org.apache.pulsar.metadata.api.MetadataStoreConfig; |
| import org.apache.pulsar.metadata.api.MetadataStoreFactory; |
| import org.apache.pulsar.metadata.api.extended.MetadataStoreExtended; |
| 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; |
| |
| @Parameter(names = {"-g", "--generate-docs"}, description = "Generate docs") |
| private boolean generateDocs = 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; |
| } |
| if (arguments.generateDocs) { |
| CmdGenerateDocs cmd = new CmdGenerateDocs("pulsar"); |
| cmd.addCommand("delete-cluster-metadata", arguments); |
| cmd.run(null); |
| return; |
| } |
| } catch (Exception e) { |
| jcommander.usage(); |
| throw e; |
| } |
| |
| @Cleanup |
| MetadataStoreExtended metadataStore = MetadataStoreExtended.create(arguments.zookeeper, |
| MetadataStoreConfig.builder() |
| .sessionTimeoutMillis(arguments.zkSessionTimeoutMillis) |
| .metadataStoreName(MetadataStoreConfig.METADATA_STORE) |
| .build()); |
| |
| if (arguments.bkMetadataServiceUri != null) { |
| @Cleanup |
| BookKeeper bookKeeper = |
| new BookKeeper(new ClientConfiguration().setMetadataServiceUri(arguments.bkMetadataServiceUri)); |
| |
| @Cleanup("shutdown") |
| ManagedLedgerFactory managedLedgerFactory = new ManagedLedgerFactoryImpl(metadataStore, bookKeeper); |
| |
| deleteManagedLedgers(metadataStore, managedLedgerFactory); |
| deleteSchemaLedgers(metadataStore, bookKeeper); |
| } |
| |
| for (String localZkNode : localZkNodes) { |
| deleteRecursively(metadataStore, "/" + localZkNode).join(); |
| } |
| |
| if (arguments.configurationStore != null && arguments.cluster != null) { |
| // Should it be done by REST API before broker is down? |
| @Cleanup |
| MetadataStore configMetadataStore = MetadataStoreFactory.create(arguments.configurationStore, |
| MetadataStoreConfig.builder().sessionTimeoutMillis(arguments.zkSessionTimeoutMillis) |
| .metadataStoreName(MetadataStoreConfig.CONFIGURATION_METADATA_STORE).build()); |
| deleteRecursively(configMetadataStore, "/admin/clusters/" + arguments.cluster).join(); |
| } |
| |
| log.info("Cluster metadata for '{}' teardown.", arguments.cluster); |
| } |
| |
| private static CompletableFuture<Void> deleteRecursively(MetadataStore metadataStore, String path) { |
| return metadataStore.getChildren(path) |
| .thenCompose(children -> FutureUtil.waitForAll( |
| children.stream() |
| .map(child -> deleteRecursively(metadataStore, path + "/" + child)) |
| .collect(Collectors.toList()))) |
| .thenCompose(__ -> metadataStore.exists(path)) |
| .thenCompose(exists -> { |
| if (exists) { |
| return metadataStore.delete(path, Optional.empty()); |
| } else { |
| return CompletableFuture.completedFuture(null); |
| } |
| }); |
| } |
| |
| 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(MetadataStore metadataStore, ManagedLedgerFactory managedLedgerFactory) { |
| final String managedLedgersRoot = "/managed-ledgers"; |
| metadataStore.getChildren(managedLedgersRoot).join().forEach(tenant -> { |
| final String tenantRoot = managedLedgersRoot + "/" + tenant; |
| metadataStore.getChildren(tenantRoot).join().forEach(namespace -> { |
| final String namespaceRoot = String.join("/", tenantRoot, namespace, "persistent"); |
| metadataStore.getChildren(namespaceRoot).join().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(MetadataStore metadataStore, BookKeeper bookKeeper) { |
| final String schemaLedgersRoot = "/schemas"; |
| metadataStore.getChildren(schemaLedgersRoot).join().forEach(tenant -> { |
| final String tenantRoot = schemaLedgersRoot + "/" + tenant; |
| metadataStore.getChildren(tenantRoot).join().forEach(namespace -> { |
| final String namespaceRoot = tenantRoot + "/" + namespace; |
| metadataStore.getChildren(namespaceRoot).join().forEach(topic -> { |
| final String topicRoot = namespaceRoot + "/" + topic; |
| try { |
| SchemaLocator.parseFrom(metadataStore.get(topicRoot).join().get().getValue()) |
| .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); |
| } |