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https://github.com/scylladb/scylladb.git
synced 2026-04-24 18:40:38 +00:00
Merge "Migration manager cleanups"
Pekka says: "Clean up migration manager in preparation for translating more announce functions."
This commit is contained in:
Avi Kivity
@@ -390,6 +390,7 @@ urchin_core = (['database.cc',
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'utils/uuid.cc',
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'types.cc',
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'validation.cc',
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'service/migration_manager.cc',
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'service/storage_proxy.cc',
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'cql3/operator.cc',
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'cql3/relation.cc',
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495
service/migration_manager.cc
Normal file
495
service/migration_manager.cc
Normal file
@@ -0,0 +1,495 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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#include "service/migration_manager.hh"
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namespace service {
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#if 0
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public void register(IMigrationListener listener)
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{
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listeners.add(listener);
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}
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public void unregister(IMigrationListener listener)
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{
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listeners.remove(listener);
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}
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public void scheduleSchemaPull(InetAddress endpoint, EndpointState state)
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{
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VersionedValue value = state.getApplicationState(ApplicationState.SCHEMA);
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if (!endpoint.equals(FBUtilities.getBroadcastAddress()) && value != null)
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maybeScheduleSchemaPull(UUID.fromString(value.value), endpoint);
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}
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/**
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* If versions differ this node sends request with local migration list to the endpoint
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* and expecting to receive a list of migrations to apply locally.
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*/
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private static void maybeScheduleSchemaPull(final UUID theirVersion, final InetAddress endpoint)
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{
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if ((Schema.instance.getVersion() != null && Schema.instance.getVersion().equals(theirVersion)) || !shouldPullSchemaFrom(endpoint))
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{
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logger.debug("Not pulling schema because versions match or shouldPullSchemaFrom returned false");
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return;
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}
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if (Schema.emptyVersion.equals(Schema.instance.getVersion()) || runtimeMXBean.getUptime() < MIGRATION_DELAY_IN_MS)
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{
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// If we think we may be bootstrapping or have recently started, submit MigrationTask immediately
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logger.debug("Submitting migration task for {}", endpoint);
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submitMigrationTask(endpoint);
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}
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else
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{
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// Include a delay to make sure we have a chance to apply any changes being
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// pushed out simultaneously. See CASSANDRA-5025
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Runnable runnable = new Runnable()
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{
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public void run()
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{
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// grab the latest version of the schema since it may have changed again since the initial scheduling
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EndpointState epState = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
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if (epState == null)
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{
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logger.debug("epState vanished for {}, not submitting migration task", endpoint);
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return;
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}
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VersionedValue value = epState.getApplicationState(ApplicationState.SCHEMA);
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UUID currentVersion = UUID.fromString(value.value);
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if (Schema.instance.getVersion().equals(currentVersion))
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{
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logger.debug("not submitting migration task for {} because our versions match", endpoint);
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return;
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}
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logger.debug("submitting migration task for {}", endpoint);
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submitMigrationTask(endpoint);
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}
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};
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ScheduledExecutors.optionalTasks.schedule(runnable, MIGRATION_DELAY_IN_MS, TimeUnit.MILLISECONDS);
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}
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}
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private static Future<?> submitMigrationTask(InetAddress endpoint)
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{
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/*
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* Do not de-ref the future because that causes distributed deadlock (CASSANDRA-3832) because we are
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* running in the gossip stage.
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*/
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return StageManager.getStage(Stage.MIGRATION).submit(new MigrationTask(endpoint));
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}
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private static boolean shouldPullSchemaFrom(InetAddress endpoint)
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{
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/*
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* Don't request schema from nodes with a differnt or unknonw major version (may have incompatible schema)
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* Don't request schema from fat clients
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*/
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return MessagingService.instance().knowsVersion(endpoint)
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&& MessagingService.instance().getRawVersion(endpoint) == MessagingService.current_version
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&& !Gossiper.instance.isGossipOnlyMember(endpoint);
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}
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public static boolean isReadyForBootstrap()
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{
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return ((ThreadPoolExecutor) StageManager.getStage(Stage.MIGRATION)).getActiveCount() == 0;
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}
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public void notifyCreateKeyspace(KSMetaData ksm)
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{
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for (IMigrationListener listener : listeners)
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listener.onCreateKeyspace(ksm.name);
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}
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public void notifyCreateColumnFamily(CFMetaData cfm)
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{
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for (IMigrationListener listener : listeners)
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listener.onCreateColumnFamily(cfm.ksName, cfm.cfName);
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}
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public void notifyCreateUserType(UserType ut)
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{
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for (IMigrationListener listener : listeners)
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listener.onCreateUserType(ut.keyspace, ut.getNameAsString());
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}
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public void notifyCreateFunction(UDFunction udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onCreateFunction(udf.name().keyspace, udf.name().name);
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}
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public void notifyCreateAggregate(UDAggregate udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onCreateAggregate(udf.name().keyspace, udf.name().name);
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}
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public void notifyUpdateKeyspace(KSMetaData ksm)
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{
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for (IMigrationListener listener : listeners)
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listener.onUpdateKeyspace(ksm.name);
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}
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public void notifyUpdateColumnFamily(CFMetaData cfm)
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{
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for (IMigrationListener listener : listeners)
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listener.onUpdateColumnFamily(cfm.ksName, cfm.cfName);
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}
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public void notifyUpdateUserType(UserType ut)
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{
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for (IMigrationListener listener : listeners)
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listener.onUpdateUserType(ut.keyspace, ut.getNameAsString());
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}
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public void notifyUpdateFunction(UDFunction udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onUpdateFunction(udf.name().keyspace, udf.name().name);
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}
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public void notifyUpdateAggregate(UDAggregate udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onUpdateAggregate(udf.name().keyspace, udf.name().name);
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}
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public void notifyDropKeyspace(KSMetaData ksm)
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{
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for (IMigrationListener listener : listeners)
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listener.onDropKeyspace(ksm.name);
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}
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public void notifyDropColumnFamily(CFMetaData cfm)
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{
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for (IMigrationListener listener : listeners)
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listener.onDropColumnFamily(cfm.ksName, cfm.cfName);
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}
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public void notifyDropUserType(UserType ut)
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{
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for (IMigrationListener listener : listeners)
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listener.onDropUserType(ut.keyspace, ut.getNameAsString());
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}
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public void notifyDropFunction(UDFunction udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onDropFunction(udf.name().keyspace, udf.name().name);
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}
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public void notifyDropAggregate(UDAggregate udf)
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{
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for (IMigrationListener listener : listeners)
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listener.onDropAggregate(udf.name().keyspace, udf.name().name);
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}
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#endif
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future<>migration_manager::announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, bool announce_locally)
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{
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return announce_new_keyspace(proxy, ksm, db_clock::now_in_usecs(), announce_locally);
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}
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future<> migration_manager::announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, api::timestamp_type timestamp, bool announce_locally)
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{
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#if 0
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ksm.validate();
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if (Schema.instance.getKSMetaData(ksm.name) != null)
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throw new AlreadyExistsException(ksm.name);
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logger.info(String.format("Create new Keyspace: %s", ksm));
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#endif
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auto mutations = db::legacy_schema_tables::make_create_keyspace_mutations(ksm, timestamp);
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return announce(proxy, std::move(mutations), announce_locally);
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}
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future<> migration_manager::announce_new_column_family(service::storage_proxy& proxy, schema_ptr cfm, bool announce_locally) {
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warn(unimplemented::cause::MIGRATIONS);
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return make_ready_future<>();
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#if 0
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cfm.validate();
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KSMetaData ksm = Schema.instance.getKSMetaData(cfm.ksName);
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if (ksm == null)
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throw new ConfigurationException(String.format("Cannot add table '%s' to non existing keyspace '%s'.", cfm.cfName, cfm.ksName));
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else if (ksm.cfMetaData().containsKey(cfm.cfName))
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throw new AlreadyExistsException(cfm.ksName, cfm.cfName);
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logger.info(String.format("Create new table: %s", cfm));
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announce(LegacySchemaTables.makeCreateTableMutation(ksm, cfm, FBUtilities.timestampMicros()), announceLocally);
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#endif
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}
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#if 0
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public static void announceNewType(UserType newType, boolean announceLocally)
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{
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KSMetaData ksm = Schema.instance.getKSMetaData(newType.keyspace);
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announce(LegacySchemaTables.makeCreateTypeMutation(ksm, newType, FBUtilities.timestampMicros()), announceLocally);
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}
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public static void announceNewFunction(UDFunction udf, boolean announceLocally)
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{
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logger.info(String.format("Create scalar function '%s'", udf.name()));
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KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
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announce(LegacySchemaTables.makeCreateFunctionMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
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}
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public static void announceNewAggregate(UDAggregate udf, boolean announceLocally)
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{
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logger.info(String.format("Create aggregate function '%s'", udf.name()));
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KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
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announce(LegacySchemaTables.makeCreateAggregateMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
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}
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public static void announceKeyspaceUpdate(KSMetaData ksm) throws ConfigurationException
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{
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announceKeyspaceUpdate(ksm, false);
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}
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public static void announceKeyspaceUpdate(KSMetaData ksm, boolean announceLocally) throws ConfigurationException
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{
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ksm.validate();
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KSMetaData oldKsm = Schema.instance.getKSMetaData(ksm.name);
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if (oldKsm == null)
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throw new ConfigurationException(String.format("Cannot update non existing keyspace '%s'.", ksm.name));
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logger.info(String.format("Update Keyspace '%s' From %s To %s", ksm.name, oldKsm, ksm));
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announce(LegacySchemaTables.makeCreateKeyspaceMutation(ksm, FBUtilities.timestampMicros()), announceLocally);
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}
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public static void announceColumnFamilyUpdate(CFMetaData cfm, boolean fromThrift) throws ConfigurationException
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{
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announceColumnFamilyUpdate(cfm, fromThrift, false);
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}
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public static void announceColumnFamilyUpdate(CFMetaData cfm, boolean fromThrift, boolean announceLocally) throws ConfigurationException
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{
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cfm.validate();
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CFMetaData oldCfm = Schema.instance.getCFMetaData(cfm.ksName, cfm.cfName);
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if (oldCfm == null)
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throw new ConfigurationException(String.format("Cannot update non existing table '%s' in keyspace '%s'.", cfm.cfName, cfm.ksName));
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KSMetaData ksm = Schema.instance.getKSMetaData(cfm.ksName);
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oldCfm.validateCompatility(cfm);
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logger.info(String.format("Update table '%s/%s' From %s To %s", cfm.ksName, cfm.cfName, oldCfm, cfm));
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announce(LegacySchemaTables.makeUpdateTableMutation(ksm, oldCfm, cfm, FBUtilities.timestampMicros(), fromThrift), announceLocally);
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}
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public static void announceTypeUpdate(UserType updatedType, boolean announceLocally)
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{
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announceNewType(updatedType, announceLocally);
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}
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|
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public static void announceKeyspaceDrop(String ksName) throws ConfigurationException
|
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{
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announceKeyspaceDrop(ksName, false);
|
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}
|
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|
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public static void announceKeyspaceDrop(String ksName, boolean announceLocally) throws ConfigurationException
|
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{
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KSMetaData oldKsm = Schema.instance.getKSMetaData(ksName);
|
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if (oldKsm == null)
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||||
throw new ConfigurationException(String.format("Cannot drop non existing keyspace '%s'.", ksName));
|
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|
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logger.info(String.format("Drop Keyspace '%s'", oldKsm.name));
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announce(LegacySchemaTables.makeDropKeyspaceMutation(oldKsm, FBUtilities.timestampMicros()), announceLocally);
|
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}
|
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|
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public static void announceColumnFamilyDrop(String ksName, String cfName) throws ConfigurationException
|
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{
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announceColumnFamilyDrop(ksName, cfName, false);
|
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}
|
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|
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public static void announceColumnFamilyDrop(String ksName, String cfName, boolean announceLocally) throws ConfigurationException
|
||||
{
|
||||
CFMetaData oldCfm = Schema.instance.getCFMetaData(ksName, cfName);
|
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if (oldCfm == null)
|
||||
throw new ConfigurationException(String.format("Cannot drop non existing table '%s' in keyspace '%s'.", cfName, ksName));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(ksName);
|
||||
|
||||
logger.info(String.format("Drop table '%s/%s'", oldCfm.ksName, oldCfm.cfName));
|
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announce(LegacySchemaTables.makeDropTableMutation(ksm, oldCfm, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceTypeDrop(UserType droppedType)
|
||||
{
|
||||
announceTypeDrop(droppedType, false);
|
||||
}
|
||||
|
||||
public static void announceTypeDrop(UserType droppedType, boolean announceLocally)
|
||||
{
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(droppedType.keyspace);
|
||||
announce(LegacySchemaTables.dropTypeFromSchemaMutation(ksm, droppedType, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceFunctionDrop(UDFunction udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Drop scalar function overload '%s' args '%s'", udf.name(), udf.argTypes()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeDropFunctionMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceAggregateDrop(UDAggregate udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Drop aggregate function overload '%s' args '%s'", udf.name(), udf.argTypes()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeDropAggregateMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* actively announce a new version to active hosts via rpc
|
||||
* @param schema The schema mutation to be applied
|
||||
*/
|
||||
future<> migration_manager::announce(service::storage_proxy& proxy, mutation schema, bool announce_locally)
|
||||
{
|
||||
std::vector<mutation> mutations;
|
||||
mutations.emplace_back(std::move(schema));
|
||||
return announce(proxy, std::move(mutations), announce_locally);
|
||||
}
|
||||
|
||||
future<> migration_manager::announce(service::storage_proxy& proxy, std::vector<mutation> mutations, bool announce_locally)
|
||||
{
|
||||
if (announce_locally) {
|
||||
return db::legacy_schema_tables::merge_schema(proxy, std::move(mutations), false);
|
||||
} else {
|
||||
return announce(proxy, std::move(mutations));
|
||||
}
|
||||
}
|
||||
|
||||
#if 0
|
||||
private static void pushSchemaMutation(InetAddress endpoint, Collection<Mutation> schema)
|
||||
{
|
||||
MessageOut<Collection<Mutation>> msg = new MessageOut<>(MessagingService.Verb.DEFINITIONS_UPDATE,
|
||||
schema,
|
||||
MigrationsSerializer.instance);
|
||||
MessagingService.instance().sendOneWay(msg, endpoint);
|
||||
}
|
||||
#endif
|
||||
|
||||
// Returns a future on the local application of the schema
|
||||
future<> migration_manager::announce(service::storage_proxy& proxy, std::vector<mutation> schema)
|
||||
{
|
||||
auto f = db::legacy_schema_tables::merge_schema(proxy, std::move(schema));
|
||||
#if 0
|
||||
for (InetAddress endpoint : Gossiper.instance.getLiveMembers())
|
||||
{
|
||||
// only push schema to nodes with known and equal versions
|
||||
if (!endpoint.equals(FBUtilities.getBroadcastAddress()) &&
|
||||
MessagingService.instance().knowsVersion(endpoint) &&
|
||||
MessagingService.instance().getRawVersion(endpoint) == MessagingService.current_version)
|
||||
pushSchemaMutation(endpoint, schema);
|
||||
}
|
||||
#endif
|
||||
return f;
|
||||
}
|
||||
|
||||
#if 0
|
||||
/**
|
||||
* Announce my version passively over gossip.
|
||||
* Used to notify nodes as they arrive in the cluster.
|
||||
*
|
||||
* @param version The schema version to announce
|
||||
*/
|
||||
public static void passiveAnnounce(UUID version)
|
||||
{
|
||||
Gossiper.instance.addLocalApplicationState(ApplicationState.SCHEMA, StorageService.instance.valueFactory.schema(version));
|
||||
logger.debug("Gossiping my schema version {}", version);
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear all locally stored schema information and reset schema to initial state.
|
||||
* Called by user (via JMX) who wants to get rid of schema disagreement.
|
||||
*
|
||||
* @throws IOException if schema tables truncation fails
|
||||
*/
|
||||
public static void resetLocalSchema() throws IOException
|
||||
{
|
||||
logger.info("Starting local schema reset...");
|
||||
|
||||
logger.debug("Truncating schema tables...");
|
||||
|
||||
LegacySchemaTables.truncateSchemaTables();
|
||||
|
||||
logger.debug("Clearing local schema keyspace definitions...");
|
||||
|
||||
Schema.instance.clear();
|
||||
|
||||
Set<InetAddress> liveEndpoints = Gossiper.instance.getLiveMembers();
|
||||
liveEndpoints.remove(FBUtilities.getBroadcastAddress());
|
||||
|
||||
// force migration if there are nodes around
|
||||
for (InetAddress node : liveEndpoints)
|
||||
{
|
||||
if (shouldPullSchemaFrom(node))
|
||||
{
|
||||
logger.debug("Requesting schema from {}", node);
|
||||
FBUtilities.waitOnFuture(submitMigrationTask(node));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
logger.info("Local schema reset is complete.");
|
||||
}
|
||||
|
||||
public static class MigrationsSerializer implements IVersionedSerializer<Collection<Mutation>>
|
||||
{
|
||||
public static MigrationsSerializer instance = new MigrationsSerializer();
|
||||
|
||||
public void serialize(Collection<Mutation> schema, DataOutputPlus out, int version) throws IOException
|
||||
{
|
||||
out.writeInt(schema.size());
|
||||
for (Mutation mutation : schema)
|
||||
Mutation.serializer.serialize(mutation, out, version);
|
||||
}
|
||||
|
||||
public Collection<Mutation> deserialize(DataInput in, int version) throws IOException
|
||||
{
|
||||
int count = in.readInt();
|
||||
Collection<Mutation> schema = new ArrayList<>(count);
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
schema.add(Mutation.serializer.deserialize(in, version));
|
||||
|
||||
return schema;
|
||||
}
|
||||
|
||||
public long serializedSize(Collection<Mutation> schema, int version)
|
||||
{
|
||||
int size = TypeSizes.NATIVE.sizeof(schema.size());
|
||||
for (Mutation mutation : schema)
|
||||
size += Mutation.serializer.serializedSize(mutation, version);
|
||||
return size;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
}
|
||||
@@ -26,46 +26,6 @@
|
||||
|
||||
#include "db/legacy_schema_tables.hh"
|
||||
|
||||
#if 0
|
||||
package org.apache.cassandra.service;
|
||||
|
||||
import java.io.DataInput;
|
||||
import java.io.IOException;
|
||||
import java.net.InetAddress;
|
||||
import java.util.*;
|
||||
import java.util.concurrent.CopyOnWriteArrayList;
|
||||
import java.util.concurrent.Future;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import java.util.concurrent.*;
|
||||
|
||||
import java.lang.management.ManagementFactory;
|
||||
import java.lang.management.RuntimeMXBean;
|
||||
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import org.apache.cassandra.concurrent.ScheduledExecutors;
|
||||
import org.apache.cassandra.concurrent.Stage;
|
||||
import org.apache.cassandra.concurrent.StageManager;
|
||||
import org.apache.cassandra.config.CFMetaData;
|
||||
import org.apache.cassandra.config.KSMetaData;
|
||||
import org.apache.cassandra.config.Schema;
|
||||
import org.apache.cassandra.cql3.functions.UDAggregate;
|
||||
import org.apache.cassandra.cql3.functions.UDFunction;
|
||||
import org.apache.cassandra.db.*;
|
||||
import org.apache.cassandra.db.marshal.UserType;
|
||||
import org.apache.cassandra.exceptions.AlreadyExistsException;
|
||||
import org.apache.cassandra.exceptions.ConfigurationException;
|
||||
import org.apache.cassandra.gms.*;
|
||||
import org.apache.cassandra.io.IVersionedSerializer;
|
||||
import org.apache.cassandra.io.util.DataOutputPlus;
|
||||
import org.apache.cassandra.net.MessageOut;
|
||||
import org.apache.cassandra.net.MessagingService;
|
||||
import org.apache.cassandra.schema.LegacySchemaTables;
|
||||
import org.apache.cassandra.utils.FBUtilities;
|
||||
import org.apache.cassandra.utils.WrappedRunnable;
|
||||
#endif
|
||||
|
||||
namespace service {
|
||||
|
||||
class migration_manager {
|
||||
@@ -81,485 +41,24 @@ class migration_manager {
|
||||
private final List<IMigrationListener> listeners = new CopyOnWriteArrayList<>();
|
||||
|
||||
private MigrationManager() {}
|
||||
|
||||
public void register(IMigrationListener listener)
|
||||
{
|
||||
listeners.add(listener);
|
||||
}
|
||||
|
||||
public void unregister(IMigrationListener listener)
|
||||
{
|
||||
listeners.remove(listener);
|
||||
}
|
||||
|
||||
public void scheduleSchemaPull(InetAddress endpoint, EndpointState state)
|
||||
{
|
||||
VersionedValue value = state.getApplicationState(ApplicationState.SCHEMA);
|
||||
|
||||
if (!endpoint.equals(FBUtilities.getBroadcastAddress()) && value != null)
|
||||
maybeScheduleSchemaPull(UUID.fromString(value.value), endpoint);
|
||||
}
|
||||
|
||||
/**
|
||||
* If versions differ this node sends request with local migration list to the endpoint
|
||||
* and expecting to receive a list of migrations to apply locally.
|
||||
*/
|
||||
private static void maybeScheduleSchemaPull(final UUID theirVersion, final InetAddress endpoint)
|
||||
{
|
||||
if ((Schema.instance.getVersion() != null && Schema.instance.getVersion().equals(theirVersion)) || !shouldPullSchemaFrom(endpoint))
|
||||
{
|
||||
logger.debug("Not pulling schema because versions match or shouldPullSchemaFrom returned false");
|
||||
return;
|
||||
}
|
||||
|
||||
if (Schema.emptyVersion.equals(Schema.instance.getVersion()) || runtimeMXBean.getUptime() < MIGRATION_DELAY_IN_MS)
|
||||
{
|
||||
// If we think we may be bootstrapping or have recently started, submit MigrationTask immediately
|
||||
logger.debug("Submitting migration task for {}", endpoint);
|
||||
submitMigrationTask(endpoint);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Include a delay to make sure we have a chance to apply any changes being
|
||||
// pushed out simultaneously. See CASSANDRA-5025
|
||||
Runnable runnable = new Runnable()
|
||||
{
|
||||
public void run()
|
||||
{
|
||||
// grab the latest version of the schema since it may have changed again since the initial scheduling
|
||||
EndpointState epState = Gossiper.instance.getEndpointStateForEndpoint(endpoint);
|
||||
if (epState == null)
|
||||
{
|
||||
logger.debug("epState vanished for {}, not submitting migration task", endpoint);
|
||||
return;
|
||||
}
|
||||
VersionedValue value = epState.getApplicationState(ApplicationState.SCHEMA);
|
||||
UUID currentVersion = UUID.fromString(value.value);
|
||||
if (Schema.instance.getVersion().equals(currentVersion))
|
||||
{
|
||||
logger.debug("not submitting migration task for {} because our versions match", endpoint);
|
||||
return;
|
||||
}
|
||||
logger.debug("submitting migration task for {}", endpoint);
|
||||
submitMigrationTask(endpoint);
|
||||
}
|
||||
};
|
||||
ScheduledExecutors.optionalTasks.schedule(runnable, MIGRATION_DELAY_IN_MS, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
}
|
||||
|
||||
private static Future<?> submitMigrationTask(InetAddress endpoint)
|
||||
{
|
||||
/*
|
||||
* Do not de-ref the future because that causes distributed deadlock (CASSANDRA-3832) because we are
|
||||
* running in the gossip stage.
|
||||
*/
|
||||
return StageManager.getStage(Stage.MIGRATION).submit(new MigrationTask(endpoint));
|
||||
}
|
||||
|
||||
private static boolean shouldPullSchemaFrom(InetAddress endpoint)
|
||||
{
|
||||
/*
|
||||
* Don't request schema from nodes with a differnt or unknonw major version (may have incompatible schema)
|
||||
* Don't request schema from fat clients
|
||||
*/
|
||||
return MessagingService.instance().knowsVersion(endpoint)
|
||||
&& MessagingService.instance().getRawVersion(endpoint) == MessagingService.current_version
|
||||
&& !Gossiper.instance.isGossipOnlyMember(endpoint);
|
||||
}
|
||||
#endif
|
||||
public:
|
||||
#if 0
|
||||
public static boolean isReadyForBootstrap()
|
||||
{
|
||||
return ((ThreadPoolExecutor) StageManager.getStage(Stage.MIGRATION)).getActiveCount() == 0;
|
||||
}
|
||||
static future<> announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, bool announce_locally = false);
|
||||
|
||||
public void notifyCreateKeyspace(KSMetaData ksm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onCreateKeyspace(ksm.name);
|
||||
}
|
||||
static future<> announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, api::timestamp_type timestamp, bool announce_locally);
|
||||
|
||||
public void notifyCreateColumnFamily(CFMetaData cfm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onCreateColumnFamily(cfm.ksName, cfm.cfName);
|
||||
}
|
||||
|
||||
public void notifyCreateUserType(UserType ut)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onCreateUserType(ut.keyspace, ut.getNameAsString());
|
||||
}
|
||||
|
||||
public void notifyCreateFunction(UDFunction udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onCreateFunction(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
|
||||
public void notifyCreateAggregate(UDAggregate udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onCreateAggregate(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
|
||||
public void notifyUpdateKeyspace(KSMetaData ksm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onUpdateKeyspace(ksm.name);
|
||||
}
|
||||
|
||||
public void notifyUpdateColumnFamily(CFMetaData cfm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onUpdateColumnFamily(cfm.ksName, cfm.cfName);
|
||||
}
|
||||
|
||||
public void notifyUpdateUserType(UserType ut)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onUpdateUserType(ut.keyspace, ut.getNameAsString());
|
||||
}
|
||||
|
||||
public void notifyUpdateFunction(UDFunction udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onUpdateFunction(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
|
||||
public void notifyUpdateAggregate(UDAggregate udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onUpdateAggregate(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
|
||||
public void notifyDropKeyspace(KSMetaData ksm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onDropKeyspace(ksm.name);
|
||||
}
|
||||
|
||||
public void notifyDropColumnFamily(CFMetaData cfm)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onDropColumnFamily(cfm.ksName, cfm.cfName);
|
||||
}
|
||||
|
||||
public void notifyDropUserType(UserType ut)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onDropUserType(ut.keyspace, ut.getNameAsString());
|
||||
}
|
||||
|
||||
public void notifyDropFunction(UDFunction udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onDropFunction(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
|
||||
public void notifyDropAggregate(UDAggregate udf)
|
||||
{
|
||||
for (IMigrationListener listener : listeners)
|
||||
listener.onDropAggregate(udf.name().keyspace, udf.name().name);
|
||||
}
|
||||
#endif
|
||||
|
||||
static future<> announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm)
|
||||
{
|
||||
return announce_new_keyspace(proxy, ksm, false);
|
||||
}
|
||||
|
||||
static future<> announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, bool announce_locally)
|
||||
{
|
||||
return announce_new_keyspace(proxy, ksm, db_clock::now_in_usecs(), announce_locally);
|
||||
}
|
||||
|
||||
static future<> announce_new_keyspace(service::storage_proxy& proxy, lw_shared_ptr<keyspace_metadata> ksm, api::timestamp_type timestamp, bool announce_locally)
|
||||
{
|
||||
#if 0
|
||||
ksm.validate();
|
||||
|
||||
if (Schema.instance.getKSMetaData(ksm.name) != null)
|
||||
throw new AlreadyExistsException(ksm.name);
|
||||
|
||||
logger.info(String.format("Create new Keyspace: %s", ksm));
|
||||
#endif
|
||||
auto mutations = db::legacy_schema_tables::make_create_keyspace_mutations(ksm, timestamp);
|
||||
return announce(proxy, std::move(mutations), announce_locally);
|
||||
}
|
||||
|
||||
#if 0
|
||||
public static void announceNewColumnFamily(CFMetaData cfm) throws ConfigurationException
|
||||
{
|
||||
announceNewColumnFamily(cfm, false);
|
||||
}
|
||||
#endif
|
||||
|
||||
static future<> announce_new_column_family(service::storage_proxy& proxy, schema_ptr cfm, bool announce_locally) {
|
||||
warn(unimplemented::cause::MIGRATIONS);
|
||||
return make_ready_future<>();
|
||||
#if 0
|
||||
cfm.validate();
|
||||
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(cfm.ksName);
|
||||
if (ksm == null)
|
||||
throw new ConfigurationException(String.format("Cannot add table '%s' to non existing keyspace '%s'.", cfm.cfName, cfm.ksName));
|
||||
else if (ksm.cfMetaData().containsKey(cfm.cfName))
|
||||
throw new AlreadyExistsException(cfm.ksName, cfm.cfName);
|
||||
|
||||
logger.info(String.format("Create new table: %s", cfm));
|
||||
announce(LegacySchemaTables.makeCreateTableMutation(ksm, cfm, FBUtilities.timestampMicros()), announceLocally);
|
||||
#endif
|
||||
}
|
||||
|
||||
#if 0
|
||||
public static void announceNewType(UserType newType, boolean announceLocally)
|
||||
{
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(newType.keyspace);
|
||||
announce(LegacySchemaTables.makeCreateTypeMutation(ksm, newType, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceNewFunction(UDFunction udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Create scalar function '%s'", udf.name()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeCreateFunctionMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceNewAggregate(UDAggregate udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Create aggregate function '%s'", udf.name()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeCreateAggregateMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceKeyspaceUpdate(KSMetaData ksm) throws ConfigurationException
|
||||
{
|
||||
announceKeyspaceUpdate(ksm, false);
|
||||
}
|
||||
|
||||
public static void announceKeyspaceUpdate(KSMetaData ksm, boolean announceLocally) throws ConfigurationException
|
||||
{
|
||||
ksm.validate();
|
||||
|
||||
KSMetaData oldKsm = Schema.instance.getKSMetaData(ksm.name);
|
||||
if (oldKsm == null)
|
||||
throw new ConfigurationException(String.format("Cannot update non existing keyspace '%s'.", ksm.name));
|
||||
|
||||
logger.info(String.format("Update Keyspace '%s' From %s To %s", ksm.name, oldKsm, ksm));
|
||||
announce(LegacySchemaTables.makeCreateKeyspaceMutation(ksm, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceColumnFamilyUpdate(CFMetaData cfm, boolean fromThrift) throws ConfigurationException
|
||||
{
|
||||
announceColumnFamilyUpdate(cfm, fromThrift, false);
|
||||
}
|
||||
|
||||
public static void announceColumnFamilyUpdate(CFMetaData cfm, boolean fromThrift, boolean announceLocally) throws ConfigurationException
|
||||
{
|
||||
cfm.validate();
|
||||
|
||||
CFMetaData oldCfm = Schema.instance.getCFMetaData(cfm.ksName, cfm.cfName);
|
||||
if (oldCfm == null)
|
||||
throw new ConfigurationException(String.format("Cannot update non existing table '%s' in keyspace '%s'.", cfm.cfName, cfm.ksName));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(cfm.ksName);
|
||||
|
||||
oldCfm.validateCompatility(cfm);
|
||||
|
||||
logger.info(String.format("Update table '%s/%s' From %s To %s", cfm.ksName, cfm.cfName, oldCfm, cfm));
|
||||
announce(LegacySchemaTables.makeUpdateTableMutation(ksm, oldCfm, cfm, FBUtilities.timestampMicros(), fromThrift), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceTypeUpdate(UserType updatedType, boolean announceLocally)
|
||||
{
|
||||
announceNewType(updatedType, announceLocally);
|
||||
}
|
||||
|
||||
public static void announceKeyspaceDrop(String ksName) throws ConfigurationException
|
||||
{
|
||||
announceKeyspaceDrop(ksName, false);
|
||||
}
|
||||
|
||||
public static void announceKeyspaceDrop(String ksName, boolean announceLocally) throws ConfigurationException
|
||||
{
|
||||
KSMetaData oldKsm = Schema.instance.getKSMetaData(ksName);
|
||||
if (oldKsm == null)
|
||||
throw new ConfigurationException(String.format("Cannot drop non existing keyspace '%s'.", ksName));
|
||||
|
||||
logger.info(String.format("Drop Keyspace '%s'", oldKsm.name));
|
||||
announce(LegacySchemaTables.makeDropKeyspaceMutation(oldKsm, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceColumnFamilyDrop(String ksName, String cfName) throws ConfigurationException
|
||||
{
|
||||
announceColumnFamilyDrop(ksName, cfName, false);
|
||||
}
|
||||
|
||||
public static void announceColumnFamilyDrop(String ksName, String cfName, boolean announceLocally) throws ConfigurationException
|
||||
{
|
||||
CFMetaData oldCfm = Schema.instance.getCFMetaData(ksName, cfName);
|
||||
if (oldCfm == null)
|
||||
throw new ConfigurationException(String.format("Cannot drop non existing table '%s' in keyspace '%s'.", cfName, ksName));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(ksName);
|
||||
|
||||
logger.info(String.format("Drop table '%s/%s'", oldCfm.ksName, oldCfm.cfName));
|
||||
announce(LegacySchemaTables.makeDropTableMutation(ksm, oldCfm, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceTypeDrop(UserType droppedType)
|
||||
{
|
||||
announceTypeDrop(droppedType, false);
|
||||
}
|
||||
|
||||
public static void announceTypeDrop(UserType droppedType, boolean announceLocally)
|
||||
{
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(droppedType.keyspace);
|
||||
announce(LegacySchemaTables.dropTypeFromSchemaMutation(ksm, droppedType, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceFunctionDrop(UDFunction udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Drop scalar function overload '%s' args '%s'", udf.name(), udf.argTypes()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeDropFunctionMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
|
||||
public static void announceAggregateDrop(UDAggregate udf, boolean announceLocally)
|
||||
{
|
||||
logger.info(String.format("Drop aggregate function overload '%s' args '%s'", udf.name(), udf.argTypes()));
|
||||
KSMetaData ksm = Schema.instance.getKSMetaData(udf.name().keyspace);
|
||||
announce(LegacySchemaTables.makeDropAggregateMutation(ksm, udf, FBUtilities.timestampMicros()), announceLocally);
|
||||
}
|
||||
#endif
|
||||
static future<> announce_new_column_family(service::storage_proxy& proxy, schema_ptr cfm, bool announce_locally = false);
|
||||
|
||||
/**
|
||||
* actively announce a new version to active hosts via rpc
|
||||
* @param schema The schema mutation to be applied
|
||||
*/
|
||||
static future<> announce(service::storage_proxy& proxy, mutation schema, bool announce_locally)
|
||||
{
|
||||
std::vector<mutation> mutations;
|
||||
mutations.emplace_back(std::move(schema));
|
||||
return announce(proxy, std::move(mutations), announce_locally);
|
||||
}
|
||||
static future<> announce(service::storage_proxy& proxy, mutation schema, bool announce_locally);
|
||||
|
||||
static future<> announce(service::storage_proxy& proxy, std::vector<mutation> mutations, bool announce_locally)
|
||||
{
|
||||
if (announce_locally) {
|
||||
return db::legacy_schema_tables::merge_schema(proxy, std::move(mutations), false);
|
||||
} else {
|
||||
return announce(proxy, std::move(mutations));
|
||||
}
|
||||
}
|
||||
|
||||
#if 0
|
||||
private static void pushSchemaMutation(InetAddress endpoint, Collection<Mutation> schema)
|
||||
{
|
||||
MessageOut<Collection<Mutation>> msg = new MessageOut<>(MessagingService.Verb.DEFINITIONS_UPDATE,
|
||||
schema,
|
||||
MigrationsSerializer.instance);
|
||||
MessagingService.instance().sendOneWay(msg, endpoint);
|
||||
}
|
||||
#endif
|
||||
static future<> announce(service::storage_proxy& proxy, std::vector<mutation> mutations, bool announce_locally);
|
||||
|
||||
// Returns a future on the local application of the schema
|
||||
static future<> announce(service::storage_proxy& proxy, std::vector<mutation> schema)
|
||||
{
|
||||
auto f = db::legacy_schema_tables::merge_schema(proxy, std::move(schema));
|
||||
#if 0
|
||||
for (InetAddress endpoint : Gossiper.instance.getLiveMembers())
|
||||
{
|
||||
// only push schema to nodes with known and equal versions
|
||||
if (!endpoint.equals(FBUtilities.getBroadcastAddress()) &&
|
||||
MessagingService.instance().knowsVersion(endpoint) &&
|
||||
MessagingService.instance().getRawVersion(endpoint) == MessagingService.current_version)
|
||||
pushSchemaMutation(endpoint, schema);
|
||||
}
|
||||
#endif
|
||||
return f;
|
||||
}
|
||||
|
||||
#if 0
|
||||
/**
|
||||
* Announce my version passively over gossip.
|
||||
* Used to notify nodes as they arrive in the cluster.
|
||||
*
|
||||
* @param version The schema version to announce
|
||||
*/
|
||||
public static void passiveAnnounce(UUID version)
|
||||
{
|
||||
Gossiper.instance.addLocalApplicationState(ApplicationState.SCHEMA, StorageService.instance.valueFactory.schema(version));
|
||||
logger.debug("Gossiping my schema version {}", version);
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear all locally stored schema information and reset schema to initial state.
|
||||
* Called by user (via JMX) who wants to get rid of schema disagreement.
|
||||
*
|
||||
* @throws IOException if schema tables truncation fails
|
||||
*/
|
||||
public static void resetLocalSchema() throws IOException
|
||||
{
|
||||
logger.info("Starting local schema reset...");
|
||||
|
||||
logger.debug("Truncating schema tables...");
|
||||
|
||||
LegacySchemaTables.truncateSchemaTables();
|
||||
|
||||
logger.debug("Clearing local schema keyspace definitions...");
|
||||
|
||||
Schema.instance.clear();
|
||||
|
||||
Set<InetAddress> liveEndpoints = Gossiper.instance.getLiveMembers();
|
||||
liveEndpoints.remove(FBUtilities.getBroadcastAddress());
|
||||
|
||||
// force migration if there are nodes around
|
||||
for (InetAddress node : liveEndpoints)
|
||||
{
|
||||
if (shouldPullSchemaFrom(node))
|
||||
{
|
||||
logger.debug("Requesting schema from {}", node);
|
||||
FBUtilities.waitOnFuture(submitMigrationTask(node));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
logger.info("Local schema reset is complete.");
|
||||
}
|
||||
|
||||
public static class MigrationsSerializer implements IVersionedSerializer<Collection<Mutation>>
|
||||
{
|
||||
public static MigrationsSerializer instance = new MigrationsSerializer();
|
||||
|
||||
public void serialize(Collection<Mutation> schema, DataOutputPlus out, int version) throws IOException
|
||||
{
|
||||
out.writeInt(schema.size());
|
||||
for (Mutation mutation : schema)
|
||||
Mutation.serializer.serialize(mutation, out, version);
|
||||
}
|
||||
|
||||
public Collection<Mutation> deserialize(DataInput in, int version) throws IOException
|
||||
{
|
||||
int count = in.readInt();
|
||||
Collection<Mutation> schema = new ArrayList<>(count);
|
||||
|
||||
for (int i = 0; i < count; i++)
|
||||
schema.add(Mutation.serializer.deserialize(in, version));
|
||||
|
||||
return schema;
|
||||
}
|
||||
|
||||
public long serializedSize(Collection<Mutation> schema, int version)
|
||||
{
|
||||
int size = TypeSizes.NATIVE.sizeof(schema.size());
|
||||
for (Mutation mutation : schema)
|
||||
size += Mutation.serializer.serializedSize(mutation, version);
|
||||
return size;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
static future<> announce(service::storage_proxy& proxy, std::vector<mutation> schema);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user