864f55e745
Instead, distribute those inclusions to .cc files that require them. This reduces rebuilds when config.hh changes, and makes it easier to locate files that need config disaggregation.
118 lines
4.8 KiB
C++
118 lines
4.8 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 ScyllaDB
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* Copyright (C) 2015 ScyllaDB
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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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#include "dht/range_streamer.hh"
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#include "gms/failure_detector.hh"
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#include "log.hh"
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#include "db/config.hh"
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static logging::logger blogger("boot_strapper");
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namespace dht {
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future<> boot_strapper::bootstrap() {
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blogger.debug("Beginning bootstrap process: sorted_tokens={}", _token_metadata.sorted_tokens());
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auto streamer = make_lw_shared<range_streamer>(_db, _token_metadata, _tokens, _address, "Bootstrap", streaming::stream_reason::bootstrap);
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streamer->add_source_filter(std::make_unique<range_streamer::failure_detector_source_filter>(gms::get_local_failure_detector()));
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auto keyspaces = make_lw_shared<std::vector<sstring>>(_db.local().get_non_system_keyspaces());
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return do_for_each(*keyspaces, [this, keyspaces, streamer] (sstring& keyspace_name) {
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auto& ks = _db.local().find_keyspace(keyspace_name);
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auto& strategy = ks.get_replication_strategy();
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dht::token_range_vector ranges = strategy.get_pending_address_ranges(_token_metadata, _tokens, _address);
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blogger.debug("Will stream keyspace={}, ranges={}", keyspace_name, ranges);
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return streamer->add_ranges(keyspace_name, ranges);
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}).then([this, streamer] {
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return streamer->stream_async().then([streamer] () {
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service::get_local_storage_service().finish_bootstrapping();
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}).handle_exception([streamer] (std::exception_ptr eptr) {
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blogger.warn("Error during bootstrap: {}", eptr);
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return make_exception_future<>(std::move(eptr));
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});
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});
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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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auto initial_tokens = db.get_initial_tokens();
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// if user specified tokens, use those
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if (initial_tokens.size() > 0) {
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blogger.debug("tokens manually specified as {}", initial_tokens);
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std::unordered_set<token> tokens;
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for (auto& token_string : initial_tokens) {
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auto token = dht::global_partitioner().from_sstring(token_string);
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if (metadata.get_endpoint(token)) {
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throw std::runtime_error(format("Bootstrapping to existing token {} is not allowed (decommission/removenode the old node first).", token_string));
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}
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tokens.insert(token);
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}
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blogger.debug("Get manually specified bootstrap_tokens={}", tokens);
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return tokens;
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}
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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 (num_tokens == 1) {
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blogger.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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}
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auto tokens = get_random_tokens(metadata, num_tokens);
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blogger.debug("Get random bootstrap_tokens={}", tokens);
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return 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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