add almir service

modules/module-list.nix

@@ -60,6 +60,7 @@
   ./services/audio/alsa.nix
   ./services/audio/fuppes.nix
   ./services/audio/mpd.nix
+  ./services/backup/almir.nix
   ./services/backup/bacula.nix
   ./services/backup/mysql-backup.nix
   ./services/backup/postgresql-backup.nix

modules/services/backup/almir.nix

@@ -0,0 +1,170 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+  cfg = config.services.almir;
+
+  bconsoleconf = pkgs.writeText "bconsole.conf"
+    ''
+      Director {
+        Name = ${cfg.director_name}
+        DIRport = ${toString cfg.director_port}
+        address = ${cfg.director_address}
+        Password = "${cfg.director_password}"
+      }
+    '';
+
+  productionini = pkgs.writeText "production.ini"
+    ''
+[app:main]
+use = egg:almir
+
+pyramid.reload_templates = false
+pyramid.debug_authorization = false
+pyramid.debug_notfound = false
+pyramid.debug_routematch = false
+pyramid.debug_templates = false
+pyramid.default_locale_name = en
+pyramid.includes =
+    pyramid_exclog
+exclog.extra_info = true
+
+sqlalchemy.url = ${cfg.sqlalchemy_engine_url}
+timezone = ${cfg.timezone}
+bconsole_config = ${bconsoleconf}
+
+[server:main]
+use = egg:waitress#main
+host = 127.0.0.1
+port = ${toString cfg.port}
+
+
+# Begin logging configuration
+
+[loggers]
+keys = root, almir, sqlalchemy, exc_logger
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+
+[logger_almir]
+level = WARN
+handlers =
+qualname = almir
+
+[logger_exc_logger]
+level = ERROR
+handlers =
+qualname = exc_logger
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+# "level = INFO" logs SQL queries.
+# "level = DEBUG" logs SQL queries and results.
+# "level = WARN" logs neither.  (Recommended for production systems.)
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(asctime)s %(levelname)-5.5s [%(name)s][%(threadName)s] %(message)s
+    '';
+in {
+  options = {
+    services.almir = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enable Almir web server. Also configures postgresql database and installs bacula.
+        '';
+      };
+
+      port = mkOption {
+        default = 35000;
+        type = types.uniq types.int;
+        description = ''
+          Port for Almir web server to listen on.
+        '';
+      };
+
+      timezone = mkOption {
+	description = ''
+         Timezone as specified in https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+        '';
+        example = "Europe/Ljubljana";
+      };
+
+      sqlalchemy_engine_url = mkOption {
+        example = ''
+          postgresql://bacula:bacula@localhost:5432/bacula
+          mysql+mysqlconnector://<user>:<password>@<hostname>/<database>'
+          sqlite:////var/lib/bacula/bacula.db'
+        '';
+	description = ''
+         Define SQL database connection to bacula catalog as specified in http://docs.sqlalchemy.org/en/latest/core/engines.html#database-urls
+        '';
+      };
+
+      director_name = mkOption {
+        description = ''
+          Name of the Director to connect with bconsole.
+        '';
+      };
+
+      director_password = mkOption {
+        description = ''
+          Password for Director to connect with bconsole.
+        '';
+      };
+
+      director_port = mkOption {
+        default = 9101;
+        type = types.int;
+        description = ''
+          Port for Director to connect with bconsole.
+        '';
+      };
+
+      director_address = mkOption {
+        default = "127.0.0.1";
+        description = ''
+          IP/Hostname for Director to connect with bconsole.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.almir = {
+      after = [ "network.target" "postgresql.service" ];
+      description = "Almir web app";
+      wantedBy = [ "multi-user.target" ];
+      path = [ pkgs.pythonPackages.almir ];
+      serviceConfig.ExecStart = "${pkgs.pythonPackages.almir}/bin/pserve ${productionini}";
+    };
+
+    environment.systemPackages = [ pkgs.pythonPackages.almir ];
+
+    users.extraUsers.almir = {
+      group = "almir";
+      createHome = true;
+      shell = "${pkgs.bash}/bin/bash";
+    };
+
+    users.extraGroups.almir = {};
+  };
+}