memgraph/src/flags/general.cpp

213 lines
12 KiB
C++

// Copyright 2024 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#include "general.hpp"
#include "glue/auth_global.hpp"
#include "storage/v2/config.hpp"
#include "utils/file.hpp"
#include "utils/flag_validation.hpp"
#include "utils/string.hpp"
#include <thread>
// Short help flag.
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_HIDDEN_bool(h, false, "Print usage and exit.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(monitoring_address, "0.0.0.0",
"IP address on which the websocket server for Memgraph monitoring should listen.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(metrics_address, "0.0.0.0",
"IP address on which the Memgraph server for exposing metrics should listen.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_int32(monitoring_port, 7444,
"Port on which the websocket server for Memgraph monitoring should listen.",
FLAG_IN_RANGE(0, std::numeric_limits<uint16_t>::max()));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_int32(metrics_port, 9091, "Port on which the Memgraph server for exposing metrics should listen.",
FLAG_IN_RANGE(0, std::numeric_limits<uint16_t>::max()));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(init_file, "",
"Path to cypherl file that is used for configuring users and database schema before server starts.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(init_data_file, "", "Path to cypherl file that is used for creating data after server starts.");
// General purpose flags.
// NOTE: The `data_directory` flag must be the same here and in
// `mg_import_csv`. If you change it, make sure to change it there as well.
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(data_directory, "mg_data", "Path to directory in which to save all permanent data.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(data_recovery_on_startup, false, "Controls whether the database recovers persisted data on startup.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_uint64(memory_warning_threshold, 1024,
"Memory warning threshold, in MB. If Memgraph detects there is "
"less available RAM it will log a warning. Set to 0 to "
"disable.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(allow_load_csv, true, "Controls whether LOAD CSV clause is allowed in queries.");
// Storage flags.
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_gc_cycle_sec, 30, "Storage garbage collector interval (in seconds).",
FLAG_IN_RANGE(1, 24UL * 3600));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_python_gc_cycle_sec, 180,
"Storage python full garbage collection interval (in seconds).", FLAG_IN_RANGE(1, 24UL * 3600));
// NOTE: The `storage_properties_on_edges` flag must be the same here and in
// `mg_import_csv`. If you change it, make sure to change it there as well.
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_properties_on_edges, false, "Controls whether edges have properties.");
// storage_recover_on_startup deprecated; use data_recovery_on_startup instead
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_HIDDEN_bool(storage_recover_on_startup, false,
"Controls whether the storage recovers persisted data on startup.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_snapshot_interval_sec, 0,
"Storage snapshot creation interval (in seconds). Set "
"to 0 to disable periodic snapshot creation.",
FLAG_IN_RANGE(0, 7 * 24 * 3600));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_wal_enabled, false,
"Controls whether the storage uses write-ahead-logging. To enable "
"WAL periodic snapshots must be enabled.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_snapshot_retention_count, 3, "The number of snapshots that should always be kept.",
FLAG_IN_RANGE(1, 1000000));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_wal_file_size_kib, memgraph::storage::Config::Durability().wal_file_size_kibibytes,
"Minimum file size of each WAL file.",
FLAG_IN_RANGE(1, static_cast<unsigned long>(1000) * 1024));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_VALIDATED_uint64(storage_wal_file_flush_every_n_tx,
memgraph::storage::Config::Durability().wal_file_flush_every_n_tx,
"Issue a 'fsync' call after this amount of transactions are written to the "
"WAL file. Set to 1 for fully synchronous operation.",
FLAG_IN_RANGE(1, 1000000));
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_snapshot_on_exit, false, "Controls whether the storage creates another snapshot on exit.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_uint64(storage_items_per_batch, memgraph::storage::Config::Durability().items_per_batch,
"The number of edges and vertices stored in a batch in a snapshot file.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables,misc-unused-parameters)
DEFINE_VALIDATED_bool(
storage_parallel_index_recovery, false,
"Controls whether the index creation can be done in a multithreaded fashion.", {
spdlog::warn(
"storage_parallel_index_recovery flag is deprecated. Check storage_mode_parallel_schema_recovery for more "
"details.");
return true;
});
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_parallel_schema_recovery, false,
"Controls whether the indices and constraints creation can be done in a multithreaded fashion.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_uint64(storage_recovery_thread_count,
std::max(static_cast<uint64_t>(std::thread::hardware_concurrency()),
memgraph::storage::Config::Durability().recovery_thread_count),
"The number of threads used to recover persisted data from disk.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_enable_schema_metadata, false,
"Controls whether metadata should be collected about the resident labels and edge types.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_enable_edges_metadata, false,
"Controls whether additional metadata should be stored about the edges in order to do faster traversals on "
"certain queries.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(storage_delta_on_identical_property_update, true,
"Controls whether updating a property with the same value should create a delta object.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(telemetry_enabled, false,
"Set to true to enable telemetry. We collect information about the "
"running system (CPU and memory information) and information about "
"the database runtime (vertex and edge counts and resource usage) "
"to allow for easier improvement of the product.");
// Streams flags
// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_uint32(
stream_transaction_conflict_retries, 30,
"Number of times to retry when a stream transformation fails to commit because of conflicting transactions");
// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_uint32(
stream_transaction_retry_interval, 500,
"Retry interval in milliseconds when a stream transformation fails to commit because of conflicting transactions");
// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(kafka_bootstrap_servers, "",
"List of default Kafka brokers as a comma separated list of broker host or host:port.");
// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(pulsar_service_url, "", "Default URL used while connecting to Pulsar brokers.");
// Query flags.
DEFINE_VALIDATED_string(query_modules_directory, "",
"Directory where modules with custom query procedures are stored. "
"NOTE: Multiple comma-separated directories can be defined.",
{
if (value.empty()) return true;
const auto directories = memgraph::utils::Split(value, ",");
for (const auto &dir : directories) {
if (!memgraph::utils::DirExists(dir)) {
std::cout << "Expected --" << flagname << " to point to directories." << std::endl;
std::cout << dir << " is not a directory." << std::endl;
return false;
}
}
return true;
});
auto memgraph::flags::ParseQueryModulesDirectory() -> std::vector<std::filesystem::path> {
const auto directories = memgraph::utils::Split(FLAGS_query_modules_directory, ",");
std::vector<std::filesystem::path> query_modules_directories;
query_modules_directories.reserve(directories.size());
std::transform(directories.begin(), directories.end(), std::back_inserter(query_modules_directories),
[](const auto &dir) { return dir; });
return query_modules_directories;
}
// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(query_callable_mappings_path, "",
"The path to mappings that describes aliases to callables in cypher queries in the form of key-value "
"pairs in a json file. With this option query module procedures that do not exist in memgraph can be "
"mapped to ones that exist.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_HIDDEN_string(license_key, "", "License key for Memgraph Enterprise.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_HIDDEN_string(organization_name, "", "Organization name.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(auth_user_or_role_name_regex, memgraph::glue::kDefaultUserRoleRegex.data(),
"Set to the regular expression that each user or role name must fulfill.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_bool(auth_password_permit_null, true, "Set to false to disable null passwords.");
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
DEFINE_string(auth_password_strength_regex, memgraph::glue::kDefaultPasswordRegex.data(),
"The regular expression that should be used to match the entire "
"entered password to ensure its strength.");