{ lib, ... }: with lib; with lib.types; let engines = [ "Archive" "Aria" "Blackhole" "CSV" "Example" "InnoDB" "Memory" "MyISAM" "TokuDB" ]; syslog-facilities = [ "LOG_USER" "LOG_MAIL" "LOG_DAEMON" "LOG_AUTH" "LOG_SYSLOG" "LOG_LPR" "LOG_NEWS" "LOG_UUCP" "LOG_CRON" "LOG_AUTHPRIV" "LOG_FTP" "LOG_LOCAL0" "LOG_LOCAL1" "LOG_LOCAL2" "LOG_LOCAL3" "LOG_LOCAL4" "LOG_LOCAL5" "LOG_LOCAL6" "LOG_LOCAL7" ]; syslog-priorities = [ "LOG_EMERG" "LOG_ALERT" "LOG_CRIT" "LOG_ERR" "LOG_WARNING" "LOG_NOTICE" "LOG_INFO" "LOG_DEBUG" ]; sql-modes = [ "ALLOW_INVALID_DATES" "ANSI" "ANSI_QUOTES" "DB2" "ERROR_FOR_DIVISION_BY_ZERO" "HIGH_NOT_PRECEDENCE" "IGNORE_BAD_TABLE_OPTIONS" "IGNORE_SPACE" "MAXDB" "MSSQL" "MYSQL323" "MYSQL40" "NO_AUTO_CREATE_USER" "NO_AUTO_VALUE_ON_ZERO" "NO_BACKSLASH_ESCAPES" "NO_DIR_IN_CREATE" "NO_ENGINE_SUBSTITUTION" "NO_FIELD_OPTIONS" "NO_KEY_OPTIONS" "NO_TABLE_OPTIONS" "NO_UNSIGNED_SUBTRACTION" "NO_ZERO_DATE" "NO_ZERO_IN_DATE" "ONLY_FULL_GROUP_BY" "ORACLE" "PAD_CHAR_TO_FULL_LENGTH" "PIPES_AS_CONCAT" "POSTGRESQL" "REAL_AS_FLOAT" "STRICT_ALL_TABLES" "STRICT_TRANS_TABLES" "TRADITIONAL" ]; flush-methods = [ "ALL_O_DIRECT" "O_DIRECT" "O_DSYNC" "fdatasync" ]; default = v: type: mkOption { type = type; default = v; }; mandatory = type: mkOption { inherit type; }; optional = type: mkOption { type = nullOr type; default = null; }; set = opts: mkOption { type = nullOr (submodule opts); default = null; }; oneOrMore = l: let en = enum' l; in either en (uniq (listOf en)); # XXX https://github.com/NixOS/nixpkgs/issues/9826 enum' = values: let show = v: let t = builtins.typeOf v; in if t == "string" then ''"${v}"'' else if t == "int" then builtins.toString v else ''<${t}>''; in mkOptionType { name = "one of ${concatStringsSep ", " (map show values)}"; check = flip elem values; merge = mergeOneOption; }; isFloat = x: builtins.match "^[0-9]+(\\.[0-9]+)?$" (builtins.toString x) != null; float = mkOptionType { name = "positive float"; check = isFloat; }; pint = mkOptionType { name = "positive integer"; check = x: builtins.isInt x && x >= 0; }; percent = mkOptionType { name = "percent"; check = x: builtins.isInt x && x >= 0 x <= 100; }; # https://mariadb.com/kb/en/mariadb/optimizer-switch/ optimizer = { options = { derived_merge = optional bool; derived_with_keys = optional bool; exists_to_in = optional bool; extended_keys = optional bool; firstmatch = optional bool; in_to_exists = optional bool; index_merge = optional bool; index_merge_intersection = optional bool; index_merge_sort_intersection = optional bool; index_merge_sort_union = optional bool; index_merge_union = optional bool; join_cache_bka = optional bool; join_cache_hashed = optional bool; join_incremental = optional bool; loosescan = optional bool; materialization = optional bool; mrr = optional bool; mrr_cost_based = optional bool; mrr_sort_keys = optional bool; optimize_join_buffer_size = optional bool; outer_join_with_cache = optional bool; partial_match_rowid_merge = optional bool; partial_match_table_scan = optional bool; semijoin = optional bool; semijoin_with_cache = optional bool; subquery_cache = optional bool; table_elimination = optional bool; }; }; in { options = { binlog_checksum = optional (enum ["NONE" "CRC32"]); binlog_commit_wait_count = optional int; binlog_commit_wait_usec = optional int; binlog_direct_non_transactional_updates = optional bool; binlog_format = optional (enum ["ROW" "MIXED" "STATEMENT"]); binlog_optimize_thread_scheduling = optional bool; binlog_row_image = optional (enum ["FULL" "NOBLOB" "MINIMAL"]); binlog_stmt_cache_size = optional int; character_set_server = optional str; collation_server = optional str; connect_timeout = optional int; datadir = mandatory path; default_storage_engine = optional (enum engines); default_time_zone = optional str; encrypt_binlog = optional bool; event_scheduler = optional (either bool (enum ["DISABLED"])); expire_logs_days = optional int; general_log = optional bool; group_concat_max_len = optional int; ignore_db_dirs = optional (uniq (listOf str)); init_connect = optional str; init_slave = optional str; innodb_autoinc_lock_mode = optional (enum' [ 0 1 2 ]); innodb_buffer_pool_dump_at_shutdown = optional bool; innodb_buffer_pool_instances = optional int; innodb_buffer_pool_load_at_startup = optional bool; innodb_buffer_pool_size = optional int; innodb_compression_algorithm = optional (enum ["none" "zlib" "lz4" "lzo" "lzma" "bzip2" "snappy"]); innodb_compression_default = optional bool; innodb_compression_failure_threshold_pct = optional percent; innodb_compression_level = optional (enum' [0 1 2 3 4 5 6 7 8 9]); innodb_compression_pad_pct_max = optional (addCheck int (i: 0 <= i && i <= 75)); innodb_doublewrite = optional bool; innodb_file_format = optional (enum ["antelope" "barracuda"]); innodb_file_per_table = optional bool; innodb_flush_log_at_trx_commit = optional (enum' [0 1 2]); innodb_flush_method = optional (enum flush-methods); innodb_io_capacity = optional int; innodb_io_capacity_max = optional int; innodb_lock_wait_timeout = optional int; innodb_log_file_size = optional int; innodb_open_files = optional int; innodb_read_io_threads = optional int; innodb_rollback_on_timeout = optional bool; innodb_thread_concurrency = optional int; innodb_write_io_threads = optional int; interactive_timeout = optional int; join_buffer_size = optional int; local_infile = optional bool; log_bin = optional path; log_bin_index = optional str; log_output = optional (oneOrMore ["TABLE" "FILE"]); log_queries_not_using_indexes = optional bool; log_slave_updates = default false bool; log_slow_rate_limit = optional int; log_slow_verbosity = optional (enum' ["query_plan" "innodb" "explain"]); log_warnings = optional (enum' [ 0 1 2 3 ]); long_query_time = optional float; max_allowed_packet = optional int; max_binlog_cache_size = optional int; max_binlog_size = optional int; max_binlog_stmt_cache_size = optional int; max_connect_errors = optional int; max_connections = optional int; max_heap_table_size = optional int; max_relay_log_size = optional int; max_user_connections = optional int; net_read_timeout = optional int; net_write_timeout = optional int; optimizer_switch = set optimizer; plugin_load_add = default [] (listOf str); port = default 3306 int; query_alloc_block_size = optional int; query_cache_limit = optional int; query_cache_min_res_unit = optional int; query_cache_size = optional int; query_cache_strip_comments = optional bool; query_cache_type = optional (enum' [ 0 1 "DEMAND"]); query_cache_wlock_invalidate = optional bool; query_prealloc_size = optional int; relay_log = optional path; relay_log_index = optional str; relay_log_purge = optional bool; relay_log_recovery = optional bool; relay_log_space_limit = optional int; server_audit_events = optional (uniq (listOf (enum ["CONNECT" "QUERY" "TABLE" "QUERY_DDL" "QUERY_DML"]))); server_audit_excl_users = optional (listOf str); server_audit_file_path = optional path; server_audit_file_rotate_size = optional int; server_audit_file_rotations = optional int; server_audit_incl_users = optional (listOf str); server_audit_logging = optional bool; server_audit_output_type = optional (enum ["SYSLOG" "FILE"]); server_audit_query_log_limit = optional int; server_audit_syslog_facility = optional (enum syslog-facilities); server_audit_syslog_ident = optional str; server_audit_syslog_info = optional str; server_audit_syslog_priority = optional (enum syslog-priorities); server_id = optional int; skip_log_bin = optional bool; skip_name_resolve = optional bool; skip_networking = optional bool; slave_compressed_protocol = optional bool; slave_ddl_exec_mode = optional (enum ["IDEMPOTENT" "STRICT"]); slave_domain_parallel_threads = optional int; slave_exec_mode = optional (enum ["IDEMPOTENT" "STRICT"]); slave_load_tmpdir = optional path; slave_max_allowed_packet = optional int; slave_net_timeout = optional int; slave_parallel_max_queued = optional int; slave_parallel_mode = optional (enum ["conservative" "optimisitic" "none" "aggressive" "minimal"]); slave_parallel_threads = optional int; slave_skip_errors = optional (uniq (listOf int)); slave_sql_verify_checksum = optional bool; slave_transaction_retries = optional int; slow_query_log = optional bool; slow_query_log_file = optional path; sort_buffer_size = optional int; sql_mode = optional (uniq (listOf (enum sql-modes))); ssl_ca = optional path; ssl_capath = optional path; ssl_cert = optional path; ssl_cipher = optional str; ssl_crl = optional path; ssl_crlpath = optional path; ssl_key = optional path; table_definition_cache = optional int; table_open_cache = optional int; thread_cache_size = optional int; tmp_table_size = optional int; tmpdir = optional path; tokudb_alter_print_error = optional bool; tokudb_analyze_time = optional pint; tokudb_block_size = optional pint; tokudb_bulk_fetch = optional bool; tokudb_cache_size = optional pint; tokudb_check_jemalloc = optional bool; tokudb_checkpoint_lock = optional bool; tokudb_checkpoint_on_flush_logs = optional bool; tokudb_checkpointing_period = optional pint; tokudb_cleaner_iterations = optional pint; tokudb_cleaner_period = optional pint; tokudb_commit_sync = optional bool; tokudb_create_index_online = optional bool; tokudb_data_dir = optional path; tokudb_debug = optional pint; tokudb_directio = optional bool; tokudb_disable_hot_alter = optional bool; tokudb_disable_prefetching = optional bool; tokudb_disable_slow_alter = optional bool; tokudb_empty_scan = optional (enum ["lr" "rl" "disabled"]); tokudb_fs_reserve_percent = optional percent; tokudb_fsync_log_period = optional pint; tokudb_hide_default_row_format = optional bool; tokudb_killed_time = optional pint; tokudb_last_lock_timeout = optional str; tokudb_load_save_space = optional bool; tokudb_loader_memory_size = optional pint; tokudb_lock_timeout = optional pint; tokudb_lock_timeout_debug = optional pint; tokudb_log_dir = optional path; tokudb_max_lock_memory = optional pint; tokudb_optimize_index_fraction = optional float; tokudb_optimize_index_name = optional str; tokudb_optimize_throttle = optional pint; tokudb_pk_insert_mode = optional (enum' [0 1 2]); tokudb_prelock_empty = optional bool; tokudb_read_block_size = optional (addCheck pint (p: p >= 4096)); tokudb_read_buf_size = optional pint; tokudb_read_status_frequency = optional pint; tokudb_row_format = optional (enum ["tokudb_default" "tokudb_fast" "tokudb_small" "tokudb_zlib" "tokudb_quicklz" "tokudb_lzma" "tokudb_uncompressed"]); tokudb_rpl_check_readonly = optional bool; tokudb_rpl_lookup_rows = optional bool; tokudb_rpl_lookup_rows_delay = optional pint; tokudb_rpl_unique_checks = optional bool; tokudb_rpl_unique_checks_delay = optional pint; tokudb_support_xa = optional bool; tokudb_tmp_dir = optional path; tokudb_write_status_frequency = optional pint; wait_timeout = optional int; }; config = { ignore_db_dirs = [ "lost+found" ]; }; }