From 108891744eaa7410e305871212d5b81c1b67a095 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= Date: Sat, 12 Jan 2019 12:41:23 +0100 Subject: Refactor websites. This commit refactors websites into module per "vhost". --- virtual/modules/databases/default.nix | 180 ++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 virtual/modules/databases/default.nix (limited to 'virtual/modules/databases/default.nix') diff --git a/virtual/modules/databases/default.nix b/virtual/modules/databases/default.nix new file mode 100644 index 0000000..de4ace6 --- /dev/null +++ b/virtual/modules/databases/default.nix @@ -0,0 +1,180 @@ +{ 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"; + }; + configureFlags = old.configureFlags ++ [ "--with-pam" ]; + buildInputs = (old.buildInputs or []) ++ [ pkgs.pam ]; + patches = old.patches ++ [ + ./postgresql_run_socket_path.patch + ]; + }); + 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; + }; + + # Cannot use eldiron: psql complains too much rights on the key, and + # setfacl cannot work properly because of acme prestart script + security.acme.certs."postgresql" = config.services.myCertificates.certConfig // { + user = "postgres"; + group = "postgres"; + plugins = [ "fullchain.pem" "key.pem" "account_key.json" ]; + domain = "db-1.immae.eu"; + postRun = '' + systemctl reload postgresql.service + ''; + }; + + system.activationScripts.postgresql = '' + install -m 0755 -o postgres -g postgres -d /run/postgresql + ''; + + # FIXME: initial sync + 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/postgresql/fullchain.pem' + ssl_key_file = '/var/lib/acme/postgresql/key.pem' + ''; + authentication = '' + local all postgres ident + local all all md5 + hostssl all all samehost md5 + hostssl all all 178.33.252.96/32 md5 + hostssl all all 188.165.209.148/32 md5 + hostssl all all all pam + hostssl replication backup-1 2001:41d0:302:1100::9:e5a9/128 pam pamservice=postgresql_replication + hostssl replication backup-1 54.37.151.137/32 pam pamservice=postgresql_replication + ''; + }; + + 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 + ''; + pam_ldap_postgresql_replication = assert mylibs.checkEnv "NIXOPS_ELDIRON_LDAP_PASSWORD"; + pkgs.writeText "postgresql.conf" '' + host ldap.immae.eu + base dc=immae,dc=eu + binddn cn=eldiron,ou=hosts,dc=immae,dc=eu + bindpw ${builtins.getEnv "NIXOPS_ELDIRON_LDAP_PASSWORD"} + pam_login_attribute cn + ''; + 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} + ''; + } + { + name = "postgresql"; + text = '' + auth required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_postgresql_replication} + account required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_postgresql_replication} + ''; + } + { + name = "postgresql_replication"; + text = '' + auth required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_postgresql_replication} + account required ${pam_ldap}/lib/security/pam_ldap.so config=${pam_ldap_postgresql_replication} + ''; + } + ]; + + # 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 + ''; + }; + system.activationScripts.redis = '' + mkdir -p /run/redis + chown redis /run/redis + ''; + }; +} -- cgit v1.2.3