+{ lib, pkgs, config, mylibs, ... }:
+let
+ cfg = config.services.myDatabases;
+in {
+ options.services.myDatabases = {
+ enable = lib.mkEnableOption "my databases service";
+ postgresql = {
+ enable = lib.mkOption {
+ default = cfg.enable;
+ example = true;
+ description = "Whether to enable postgresql database";
+ type = lib.types.bool;
+ };
+ };
+
+ mariadb = {
+ enable = lib.mkOption {
+ default = cfg.enable;
+ example = true;
+ description = "Whether to enable mariadb database";
+ type = lib.types.bool;
+ };
+ };
+
+ redis = {
+ enable = lib.mkOption {
+ default = cfg.enable;
+ example = true;
+ description = "Whether to enable redis database";
+ type = lib.types.bool;
+ };
+ };
+ };
+
+ config = lib.mkIf cfg.enable {
+ nixpkgs.config.packageOverrides = oldpkgs: rec {
+ postgresql = postgresql111;
+ postgresql111 = oldpkgs.postgresql100.overrideAttrs(old: rec {
+ passthru = old.passthru // { psqlSchema = "11.0"; };
+ name = "postgresql-11.1";
+ src = pkgs.fetchurl {
+ url = "mirror://postgresql/source/v11.1/${name}.tar.bz2";
+ sha256 = "026v0sicsh7avzi45waf8shcbhivyxmi7qgn9fd1x0vl520mx0ch";
+ };
+ });
+ mariadb = mariadbPAM;
+ mariadbPAM = oldpkgs.mariadb.overrideAttrs(old: rec {
+ cmakeFlags = old.cmakeFlags ++ [ "-DWITH_AUTHENTICATION_PAM=ON" ];
+ buildInputs = old.buildInputs ++ [ pkgs.pam ];
+ });
+ };
+
+ networking.firewall.allowedTCPPorts = [ 3306 5432 ];
+
+ # FIXME: initial sync
+ # FIXME: backup
+ # FIXME: restart after pam
+ # FIXME: pam access doesn’t work (because of php module)
+ # FIXME: ssl
+ services.mysql = rec {
+ enable = cfg.mariadb.enable;
+ package = pkgs.mariadb;
+ };
+
+ # FIXME: initial sync
+ # FIXME: backup
+ # FIXME: ssl
+ services.postgresql = rec {
+ enable = cfg.postgresql.enable;
+ package = pkgs.postgresql;
+ enableTCPIP = true;
+ extraConfig = ''
+ max_connections = 100
+ wal_level = logical
+ shared_buffers = 128MB
+ max_wal_size = 1GB
+ min_wal_size = 80MB
+ log_timezone = 'Europe/Paris'
+ datestyle = 'iso, mdy'
+ timezone = 'Europe/Paris'
+ lc_messages = 'en_US.UTF-8'
+ lc_monetary = 'en_US.UTF-8'
+ lc_numeric = 'en_US.UTF-8'
+ lc_time = 'en_US.UTF-8'
+ default_text_search_config = 'pg_catalog.english'
+ # ssl = on
+ # ssl_cert_file = '/var/lib/acme/eldiron/fullchain.pem'
+ # ssl_key_file = '/var/lib/acme/eldiron/key.pem'
+ '';
+ authentication = ''
+ local all postgres ident
+ local all all md5
+ host all all samehost md5
+ host all all 178.33.252.96/32 md5
+ host all all 188.165.209.148/32 md5
+ #host all all all pam
+ '';
+ };
+
+ security.pam.services = let
+ pam_ldap = pkgs.pam_ldap;
+ pam_ldap_mysql = assert mylibs.checkEnv "NIXOPS_MYSQL_PAM_PASSWORD";
+ pkgs.writeText "mysql.conf" ''
+ host ldap.immae.eu
+ base dc=immae,dc=eu
+ binddn cn=mysql,cn=pam,ou=services,dc=immae,dc=eu
+ bindpw ${builtins.getEnv "NIXOPS_MYSQL_PAM_PASSWORD"}
+ pam_filter memberOf=cn=users,cn=mysql,cn=pam,ou=services,dc=immae,dc=eu
+ '';
+ in [
+ {
+ name = "mysql";
+ text = ''
+ # https://mariadb.com/kb/en/mariadb/pam-authentication-plugin/
+ auth required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_mysql}
+ account required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_mysql}
+ '';
+ }
+ ];
+
+ # FIXME: backup
+ # Nextcloud: 14
+ services.redis = rec {
+ enable = config.services.myDatabases.redis.enable;
+ bind = "127.0.0.1";
+ unixSocket = "/run/redis/redis.sock";
+ extraConfig = ''
+ unixsocketperm 777
+ maxclients 1024
+ '';
+ };
+ };
+}