120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
/*
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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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* Modified by Cloudius Systems
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* Copyright 2015 Cloudius Systems
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dht/boot_strapper.hh"
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#include "service/storage_service.hh"
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namespace dht {
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future<> boot_strapper::bootstrap() {
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// FIXME: Stream data from other nodes
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service::get_local_storage_service().finish_bootstrapping();
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return make_ready_future<>();
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#if 0
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if (logger.isDebugEnabled())
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logger.debug("Beginning bootstrap process");
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RangeStreamer streamer = new RangeStreamer(tokenMetadata, tokens, address, "Bootstrap");
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streamer.addSourceFilter(new RangeStreamer.FailureDetectorSourceFilter(FailureDetector.instance));
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for (String keyspaceName : Schema.instance.getNonSystemKeyspaces())
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{
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AbstractReplicationStrategy strategy = Keyspace.open(keyspaceName).getReplicationStrategy();
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streamer.addRanges(keyspaceName, strategy.getPendingAddressRanges(tokenMetadata, tokens, address));
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}
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try
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{
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streamer.fetchAsync().get();
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StorageService.instance.finishBootstrapping();
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}
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catch (InterruptedException e)
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{
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throw new RuntimeException("Interrupted while waiting on boostrap to complete. Bootstrap will have to be restarted.");
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}
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catch (ExecutionException e)
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{
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throw new RuntimeException("Error during boostrap: " + e.getCause().getMessage(), e.getCause());
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}
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#endif
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}
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std::unordered_set<token> boot_strapper::get_bootstrap_tokens(token_metadata metadata, database& db) {
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#if 0
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Collection<String> initialTokens = DatabaseDescriptor.getInitialTokens();
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// if user specified tokens, use those
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if (initialTokens.size() > 0)
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{
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logger.debug("tokens manually specified as {}", initialTokens);
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List<Token> tokens = new ArrayList<Token>(initialTokens.size());
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for (String tokenString : initialTokens)
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{
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Token token = StorageService.getPartitioner().getTokenFactory().fromString(tokenString);
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if (metadata.getEndpoint(token) != null)
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throw new ConfigurationException("Bootstrapping to existing token " + tokenString + " is not allowed (decommission/removenode the old node first).");
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tokens.add(token);
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}
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return tokens;
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}
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#endif
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size_t num_tokens = db.get_config().num_tokens();
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if (num_tokens < 1) {
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throw std::runtime_error("num_tokens must be >= 1");
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}
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// if (numTokens == 1)
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// logger.warn("Picking random token for a single vnode. You should probably add more vnodes; failing that, you should probably specify the token manually");
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return get_random_tokens(metadata, num_tokens);
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}
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std::unordered_set<token> boot_strapper::get_random_tokens(token_metadata metadata, size_t num_tokens) {
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std::unordered_set<token> tokens;
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while (tokens.size() < num_tokens) {
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auto token = global_partitioner().get_random_token();
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auto ep = metadata.get_endpoint(token);
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if (!ep) {
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tokens.emplace(token);
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}
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}
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return tokens;
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}
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} // namespace dht
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