modules/webapps/diaspora.nix

   1 { lib, pkgs, config, ... }:
   2 let
   3   name = "diaspora";
   4   cfg = config.services.diaspora;
   5
   6   uid = config.ids.uids.diaspora;
   7   gid = config.ids.gids.diaspora;
   8 in
   9 {
  10   options.services.diaspora = {
  11     enable = lib.mkEnableOption "Enable Diaspora’s service";
  12     user = lib.mkOption {
  13       type = lib.types.str;
  14       default = name;
  15       description = "User account under which Diaspora runs";
  16     };
  17     group = lib.mkOption {
  18       type = lib.types.str;
  19       default = name;
  20       description = "Group under which Diaspora runs";
  21     };
  22     adminEmail = lib.mkOption {
  23       type = lib.types.str;
  24       example = "admin@example.com";
  25       description = "Admin e-mail for Diaspora";
  26     };
  27     dataDir = lib.mkOption {
  28       type = lib.types.path;
  29       default = "/var/lib/${name}";
  30       description = ''
  31         The directory where Diaspora stores its data.
  32       '';
  33     };
  34     socketsDir = lib.mkOption {
  35       type = lib.types.path;
  36       default = "/run/${name}";
  37       description = ''
  38         The directory where Diaspora puts runtime files and sockets.
  39         '';
  40     };
  41     configDir = lib.mkOption {
  42       type = lib.types.path;
  43       description = ''
  44         The configuration path for Diaspora.
  45         '';
  46     };
  47     package = lib.mkOption {
  48       type = lib.types.package;
  49       default = pkgs.webapps.diaspora;
  50       description = ''
  51         Diaspora package to use.
  52         '';
  53     };
  54     # Output variables
  55     workdir = lib.mkOption {
  56       type = lib.types.package;
  57       default = cfg.package.override {
  58         varDir = cfg.dataDir;
  59         podmin_email = cfg.adminEmail;
  60         config_dir = cfg.configDir;
  61       };
  62       description = ''
  63         Adjusted diaspora package with overriden values
  64         '';
  65       readOnly = true;
  66     };
  67     sockets = lib.mkOption {
  68       type = lib.types.attrsOf lib.types.path;
  69       default = {
  70         rails = "${cfg.socketsDir}/diaspora.sock";
  71         eye   = "${cfg.socketsDir}/eye.sock";
  72       };
  73       readOnly = true;
  74       description = ''
  75         Diaspora sockets
  76         '';
  77     };
  78     pids = lib.mkOption {
  79       type = lib.types.attrsOf lib.types.path;
  80       default = {
  81         eye   = "${cfg.socketsDir}/eye.pid";
  82       };
  83       readOnly = true;
  84       description = ''
  85         Diaspora pids
  86         '';
  87     };
  88   };
  89
  90   config = lib.mkIf cfg.enable {
  91     users.users = lib.optionalAttrs (cfg.user == name) (lib.singleton {
  92       inherit name;
  93       inherit uid;
  94       group = cfg.group;
  95       description = "Diaspora user";
  96       home = cfg.dataDir;
  97       packages = [ cfg.workdir.gems pkgs.nodejs cfg.workdir.gems.ruby ];
  98       useDefaultShell = true;
  99     });
 100     users.groups = lib.optionalAttrs (cfg.group == name) (lib.singleton {
 101       inherit name;
 102       inherit gid;
 103     });
 104
 105     systemd.services.diaspora = {
 106       description = "Diaspora";
 107       wantedBy = [ "multi-user.target" ];
 108       after = [
 109         "network.target" "redis.service" "postgresql.service"
 110       ];
 111       wants = [
 112         "redis.service" "postgresql.service"
 113       ];
 114
 115       environment.RAILS_ENV = "production";
 116       environment.BUNDLE_PATH = "${cfg.workdir.gems}/${cfg.workdir.gems.ruby.gemPath}";
 117       environment.BUNDLE_GEMFILE = "${cfg.workdir.gems.confFiles}/Gemfile";
 118       environment.EYE_SOCK = cfg.sockets.eye;
 119       environment.EYE_PID = cfg.pids.eye;
 120
 121       path = [ cfg.workdir.gems pkgs.nodejs cfg.workdir.gems.ruby pkgs.curl pkgs.which pkgs.gawk ];
 122
 123       preStart = ''
 124         ./bin/bundle exec rails db:migrate
 125       '';
 126
 127       script = ''
 128         exec ${cfg.workdir}/script/server
 129       '';
 130
 131       serviceConfig = {
 132         User = cfg.user;
 133         PrivateTmp = true;
 134         Restart = "always";
 135         Type = "simple";
 136         WorkingDirectory = cfg.workdir;
 137         StandardInput = "null";
 138         KillMode = "control-group";
 139       };
 140
 141       unitConfig.RequiresMountsFor = cfg.dataDir;
 142     };
 143
 144     system.activationScripts.diaspora = {
 145       deps = [ "users" ];
 146       text = ''
 147       install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.socketsDir}
 148       install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir} \
 149         ${cfg.dataDir}/uploads ${cfg.dataDir}/tmp \
 150         ${cfg.dataDir}/log
 151       install -m 0700 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}/tmp/pids
 152       if [ ! -f ${cfg.dataDir}/schedule.yml ]; then
 153         echo "{}" | $wrapperDir/sudo -u ${cfg.user} tee ${cfg.dataDir}/schedule.yml
 154       fi
 155       '';
 156     };
 157
 158   };
 159 }