29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
173 lines
4 KiB
Nix
173 lines
4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.almir;
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bconsoleconf = pkgs.writeText "bconsole.conf"
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''
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Director {
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Name = ${cfg.director_name}
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DIRport = ${toString cfg.director_port}
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address = ${cfg.director_address}
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Password = "${cfg.director_password}"
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}
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'';
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productionini = pkgs.writeText "production.ini"
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''
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[app:main]
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use = egg:almir
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pyramid.reload_templates = false
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pyramid.debug_authorization = false
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pyramid.debug_notfound = false
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pyramid.debug_routematch = false
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pyramid.debug_templates = false
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pyramid.default_locale_name = en
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pyramid.includes =
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pyramid_exclog
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exclog.extra_info = true
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sqlalchemy.url = ${cfg.sqlalchemy_engine_url}
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timezone = ${cfg.timezone}
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bconsole_config = ${bconsoleconf}
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[server:main]
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use = egg:waitress#main
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host = 127.0.0.1
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port = ${toString cfg.port}
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# Begin logging configuration
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[loggers]
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keys = root, almir, sqlalchemy, exc_logger
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[handlers]
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keys = console
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[formatters]
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keys = generic
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[logger_root]
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level = WARN
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handlers = console
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[logger_almir]
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level = WARN
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handlers =
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qualname = almir
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[logger_exc_logger]
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level = ERROR
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handlers =
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qualname = exc_logger
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[logger_sqlalchemy]
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level = WARN
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handlers =
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qualname = sqlalchemy.engine
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# "level = INFO" logs SQL queries.
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# "level = DEBUG" logs SQL queries and results.
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# "level = WARN" logs neither. (Recommended for production systems.)
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[handler_console]
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class = StreamHandler
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args = (sys.stderr,)
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level = NOTSET
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formatter = generic
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[formatter_generic]
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format = %(asctime)s %(levelname)-5.5s [%(name)s][%(threadName)s] %(message)s
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'';
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in {
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options = {
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services.almir = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable Almir web server. Also configures postgresql database and installs bacula.
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'';
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};
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port = mkOption {
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default = 35000;
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type = types.uniq types.int;
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description = ''
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Port for Almir web server to listen on.
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'';
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};
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timezone = mkOption {
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description = ''
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Timezone as specified in https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
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'';
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example = "Europe/Ljubljana";
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};
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sqlalchemy_engine_url = mkOption {
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example = ''
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postgresql://bacula:bacula@localhost:5432/bacula
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mysql+mysqlconnector://<user>:<password>@<hostname>/<database>'
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sqlite:////var/lib/bacula/bacula.db'
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'';
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description = ''
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Define SQL database connection to bacula catalog as specified in http://docs.sqlalchemy.org/en/latest/core/engines.html#database-urls
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'';
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};
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director_name = mkOption {
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description = ''
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Name of the Director to connect with bconsole.
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'';
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};
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director_password = mkOption {
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description = ''
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Password for Director to connect with bconsole.
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'';
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};
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director_port = mkOption {
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default = 9101;
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type = types.int;
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description = ''
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Port for Director to connect with bconsole.
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'';
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};
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director_address = mkOption {
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default = "127.0.0.1";
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description = ''
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IP/Hostname for Director to connect with bconsole.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.almir = {
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after = [ "network.target" "postgresql.service" ];
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description = "Almir web app";
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.pythonPackages.almir ];
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environment.PYTHONPATH = "${pkgs.pythonPackages.almir}/lib/${pkgs.pythonPackages.python.libPrefix}/site-packages";
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serviceConfig.ExecStart = "${pkgs.pythonPackages.pyramid}/bin/pserve ${productionini}";
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};
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environment.systemPackages = [ pkgs.pythonPackages.almir ];
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users.extraUsers.almir = {
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group = "almir";
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uid = config.ids.uids.almir;
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createHome = true;
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shell = "${pkgs.bash}/bin/bash";
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};
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users.extraGroups.almir.gid = config.ids.gids.almir;
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};
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}
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