| /* |
| * 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.bookkeeper.tools.cli.commands.bookies; |
| |
| import static org.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithRegistrationManager; |
| import com.beust.jcommander.Parameter; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| import java.io.IOException; |
| import lombok.Setter; |
| import lombok.experimental.Accessors; |
| import org.apache.bookkeeper.bookie.BookieException; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.bookie.Cookie; |
| import org.apache.bookkeeper.client.BKException; |
| import org.apache.bookkeeper.client.BookKeeperAdmin; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.net.BookieId; |
| import org.apache.bookkeeper.tools.cli.helpers.BookieCommand; |
| import org.apache.bookkeeper.tools.framework.CliFlags; |
| import org.apache.bookkeeper.tools.framework.CliSpec; |
| import org.apache.bookkeeper.versioning.Versioned; |
| import org.apache.commons.lang.StringUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Command to trigger AuditTask by resetting lostBookieRecoveryDelay and |
| * then make sure the ledgers stored in the bookie are properly replicated |
| * and Cookie of the decommissioned bookie should be deleted from metadata |
| * server. |
| */ |
| public class DecommissionCommand extends BookieCommand<DecommissionCommand.DecommissionFlags> { |
| |
| static final Logger LOG = LoggerFactory.getLogger(DecommissionCommand.class); |
| |
| private static final String NAME = "decommission"; |
| private static final String DESC = |
| "Force trigger the Audittask and make sure all the ledgers stored in the decommissioning bookie" |
| + " are replicated and cookie of the decommissioned bookie is deleted from metadata server."; |
| |
| public DecommissionCommand() { |
| this(new DecommissionFlags()); |
| } |
| |
| private DecommissionCommand(DecommissionFlags flags) { |
| super(CliSpec.<DecommissionFlags>newBuilder().withName(NAME).withDescription(DESC).withFlags(flags).build()); |
| } |
| |
| /** |
| * Flags for decommission command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class DecommissionFlags extends CliFlags { |
| |
| @Parameter(names = { "-b", "--bookieid" }, description = "Decommission a remote bookie") |
| private String remoteBookieIdToDecommission; |
| |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, DecommissionFlags cmdFlags) { |
| try { |
| return decommission(conf, cmdFlags); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private boolean decommission(ServerConfiguration conf, DecommissionFlags flags) |
| throws BKException, InterruptedException, IOException { |
| ClientConfiguration adminConf = new ClientConfiguration(conf); |
| BookKeeperAdmin admin = new BookKeeperAdmin(adminConf); |
| try { |
| final String remoteBookieidToDecommission = flags.remoteBookieIdToDecommission; |
| final BookieId bookieAddressToDecommission = (StringUtils.isBlank(remoteBookieidToDecommission) |
| ? BookieImpl.getBookieId(conf) |
| : BookieId.parse(remoteBookieidToDecommission)); |
| admin.decommissionBookie(bookieAddressToDecommission); |
| LOG.info("The ledgers stored in the given decommissioning bookie: {} are properly replicated", |
| bookieAddressToDecommission); |
| runFunctionWithRegistrationManager(conf, rm -> { |
| try { |
| Versioned<Cookie> cookie = Cookie.readFromRegistrationManager(rm, bookieAddressToDecommission); |
| cookie.getValue().deleteFromRegistrationManager(rm, bookieAddressToDecommission, |
| cookie.getVersion()); |
| } catch (BookieException.CookieNotFoundException nne) { |
| LOG.warn("No cookie to remove for the decommissioning bookie: {}, it could be deleted already", |
| bookieAddressToDecommission, nne); |
| } catch (BookieException be) { |
| throw new UncheckedExecutionException(be.getMessage(), be); |
| } |
| return true; |
| }); |
| LOG.info("Cookie of the decommissioned bookie: {} is deleted successfully", |
| bookieAddressToDecommission); |
| return true; |
| } catch (Exception e) { |
| LOG.error("Received exception in DecommissionBookieCmd ", e); |
| return false; |
| } finally { |
| if (admin != null) { |
| admin.close(); |
| } |
| } |
| } |
| } |