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https://github.com/ClickHouse/ClickHouse.git
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62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
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#include <iostream>
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#include <optional>
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#include <boost/program_options.hpp>
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#include <Coordination/KeeperSnapshotManager.h>
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#include <Coordination/ZooKeeperDataReader.h>
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#include <Common/TerminalSize.h>
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#include <Poco/ConsoleChannel.h>
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#include <Poco/AutoPtr.h>
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#include <Poco/Logger.h>
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#include <common/logger_useful.h>
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int mainEntryClickHouseKeeperConverter(int argc, char ** argv)
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{
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using namespace DB;
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namespace po = boost::program_options;
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po::options_description desc = createOptionsDescription("Allowed options", getTerminalWidth());
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desc.add_options()
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("help,h", "produce help message")
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("zookeeper-logs-dir", po::value<std::string>(), "Path to directory with ZooKeeper logs")
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("zookeeper-snapshots-dir", po::value<std::string>(), "Path to directory with ZooKeeper snapshots")
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("output-dir", po::value<std::string>(), "Directory to place output clickhouse-keeper snapshot")
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;
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po::variables_map options;
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po::store(po::command_line_parser(argc, argv).options(desc).run(), options);
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Poco::AutoPtr<Poco::ConsoleChannel> console_channel(new Poco::ConsoleChannel);
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Poco::Logger * logger = &Poco::Logger::get("KeeperConverter");
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logger->setChannel(console_channel);
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if (options.count("help"))
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{
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std::cout << "Usage: " << argv[0] << " --zookeeper-logs-dir /var/lib/zookeeper/data/version-2 --zookeeper-snapshots-dir /var/lib/zookeeper/data/version-2 --output-dir /var/lib/clickhouse/coordination/snapshots" << std::endl;
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std::cout << desc << std::endl;
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return 0;
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}
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try
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{
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DB::KeeperStorage storage(500, "");
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DB::deserializeKeeperStorageFromSnapshotsDir(storage, options["zookeeper-snapshots-dir"].as<std::string>(), logger);
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DB::deserializeLogsAndApplyToStorage(storage, options["zookeeper-logs-dir"].as<std::string>(), logger);
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DB::SnapshotMetadataPtr snapshot_meta = std::make_shared<DB::SnapshotMetadata>(storage.getZXID(), 1, std::make_shared<nuraft::cluster_config>());
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DB::KeeperStorageSnapshot snapshot(&storage, snapshot_meta);
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DB::KeeperSnapshotManager manager(options["output-dir"].as<std::string>(), 1);
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auto snp = manager.serializeSnapshotToBuffer(snapshot);
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auto path = manager.serializeSnapshotBufferToDisk(*snp, storage.getZXID());
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std::cout << "Snapshot serialized to path:" << path << std::endl;
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}
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catch (...)
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{
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std::cerr << getCurrentExceptionMessage(true) << '\n';
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return getCurrentExceptionCode();
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}
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return 0;
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}
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