6 files changed, 226 insertions, 145 deletions

diff --git a/default.nix b/default.nix
index e092c33..c7f515b 100644
--- a/default.nix
+++ b/default.nix
@@ -5,6 +5,7 @@ let
 in
 {
   lib = import ./libs.nix { pkgs = pkgs_; };
+  modules = import ./modules;
   overlays = import ./overlays;
   pkgs = mypkgs;
 } // mypkgs
diff --git a/modules/default.nix b/modules/default.nix
new file mode 100644
index 0000000..3cc4149
--- /dev/null
+++ b/modules/default.nix
@@ -0,0 +1,5 @@
+{
+  myids = ./myids.nix;
+
+  mediagoblin = ./webapps/mediagoblin.nix;
+}
diff --git a/modules/myids.nix b/modules/myids.nix
new file mode 100644
index 0000000..a3e5879
--- /dev/null
+++ b/modules/myids.nix
@@ -0,0 +1,11 @@
+{ ... }:
+{
+  config = {
+    ids.uids = {
+      mediagoblin = 397;
+    };
+    ids.gids = {
+      mediagoblin = 397;
+    };
+  };
+}
diff --git a/modules/webapps/mediagoblin.nix b/modules/webapps/mediagoblin.nix
new file mode 100644
index 0000000..6808c82
--- /dev/null
+++ b/modules/webapps/mediagoblin.nix
@@ -0,0 +1,193 @@
+{ lib, pkgs, config, ... }:
+let
+  name = "mediagoblin";
+  cfg = config.services.mediagoblin;
+
+  uid = config.ids.uids.mediagoblin;
+  gid = config.ids.gids.mediagoblin;
+
+  fullPackage = cfg.package.withPlugins cfg.plugins;
+  paste_local = pkgs.writeText "paste_local.ini" ''
+    [DEFAULT]
+    debug = false
+
+    [pipeline:main]
+    pipeline = mediagoblin
+
+    [app:mediagoblin]
+    use = egg:mediagoblin#app
+    config = ${cfg.configFile} ${fullPackage}/mediagoblin.ini
+    /mgoblin_static = ${fullPackage}/mediagoblin/static
+
+    [loggers]
+    keys = root
+
+    [handlers]
+    keys = console
+
+    [formatters]
+    keys = generic
+
+    [logger_root]
+    level = INFO
+    handlers = console
+
+    [handler_console]
+    class = StreamHandler
+    args = (sys.stderr,)
+    level = NOTSET
+    formatter = generic
+
+    [formatter_generic]
+    format = %(levelname)-7.7s [%(name)s] %(message)s
+
+    [filter:errors]
+    use = egg:mediagoblin#errors
+    debug = false
+
+    [server:main]
+    use = egg:waitress#main
+    unix_socket = ${cfg.socketsDir}/mediagoblin.sock
+    unix_socket_perms = 777
+    url_scheme = https
+    '';
+in
+{
+  options.services.mediagoblin = {
+    enable = lib.mkEnableOption "Enable Mediagoblin’s service";
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "User account under which Mediagoblin runs";
+    };
+    group = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "Group under which Mediagoblin runs";
+    };
+    dataDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/var/lib/${name}";
+      description = ''
+        The directory where Mediagoblin stores its data.
+      '';
+    };
+    socketsDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/run/${name}";
+      description = ''
+        The directory where Mediagoblin puts runtime files and sockets.
+        '';
+    };
+    configFile = lib.mkOption {
+      type = lib.types.path;
+      description = ''
+        The configuration file path for Mediagoblin.
+        '';
+    };
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.webapps.mediagoblin;
+      description = ''
+        Mediagoblin package to use.
+        '';
+    };
+    plugins = lib.mkOption {
+      type = lib.types.listOf lib.types.package;
+      default = [];
+      description = ''
+        Mediagoblin plugins to use.
+        '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users = lib.optionalAttrs (cfg.user == name) (lib.singleton {
+      inherit name;
+      inherit uid;
+      group = cfg.group;
+      description = "Mediagoblin user";
+      home = cfg.dataDir;
+      useDefaultShell = true;
+    });
+    users.groups = lib.optionalAttrs (cfg.group == name) (lib.singleton {
+      inherit name;
+      inherit gid;
+    });
+
+    systemd.services.mediagoblin-web = {
+      description = "Mediagoblin service";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      wants = [ "postgresql.service" "redis.service" ];
+
+      environment.SCRIPT_NAME = "/mediagoblin/";
+
+      script = ''
+        exec ./bin/paster serve \
+          ${paste_local} \
+          --pid-file=${cfg.socketsDir}/mediagoblin.pid
+        '';
+      preStop = ''
+        exec ./bin/paster serve \
+          --pid-file=${cfg.socketsDir}/mediagoblin.pid \
+          ${paste_local} stop
+        '';
+      preStart = ''
+        ./bin/gmg -cf ${cfg.configFile} dbupdate
+        '';
+
+      serviceConfig = {
+        User = cfg.user;
+        PrivateTmp = true;
+        Restart = "always";
+        TimeoutSec = 15;
+        Type = "simple";
+        WorkingDirectory = fullPackage;
+        PIDFile = "${cfg.socketsDir}/mediagoblin.pid";
+      };
+
+      unitConfig.RequiresMountsFor = cfg.dataDir;
+    };
+
+    systemd.services.mediagoblin-celeryd = {
+      description = "Mediagoblin service";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" "mediagoblin-web.service" ];
+
+      environment.MEDIAGOBLIN_CONFIG = cfg.configFile;
+      environment.CELERY_CONFIG_MODULE = "mediagoblin.init.celery.from_celery";
+
+      script = ''
+        exec ./bin/celery worker \
+          --logfile=${cfg.dataDir}/celery.log \
+          --loglevel=INFO
+        '';
+
+      serviceConfig = {
+        User = cfg.user;
+        PrivateTmp = true;
+        Restart = "always";
+        TimeoutSec = 60;
+        Type = "simple";
+        WorkingDirectory = fullPackage;
+        PIDFile = "${cfg.socketsDir}/mediagoblin-celeryd.pid";
+      };
+
+      unitConfig.RequiresMountsFor = cfg.dataDir;
+    };
+
+    system.activationScripts.mediagoblin = {
+      deps = [ "users" ];
+      text = ''
+      install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.socketsDir}
+      install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
+      if [ -d ${cfg.dataDir}/plugin_static/ ]; then
+        rm ${cfg.dataDir}/plugin_static/coreplugin_basic_auth
+        ln -sf ${fullPackage}/mediagoblin/plugins/basic_auth/static ${cfg.dataDir}/plugin_static/coreplugin_basic_auth
+      fi
+      '';
+    };
+
+  };
+}
diff --git a/nixops/eldiron.nix b/nixops/eldiron.nix
index 239e065..71615fa 100644
--- a/nixops/eldiron.nix
+++ b/nixops/eldiron.nix
@@ -46,7 +46,7 @@
       ./modules/buildbot
       ./modules/dns.nix
       ./modules/secrets.nix
-    ];
+    ] ++ (builtins.attrValues (import ../modules));
     services.myGitolite.enable = true;
     services.myDatabases.enable = true;
     services.myWebsites.production.enable = true;
diff --git a/nixops/modules/websites/tools/mediagoblin.nix b/nixops/modules/websites/tools/mediagoblin.nix
index 2b56007..bdb8323 100644
--- a/nixops/modules/websites/tools/mediagoblin.nix
+++ b/nixops/modules/websites/tools/mediagoblin.nix
@@ -1,55 +1,8 @@
 { lib, pkgs, config, myconfig, mylibs, ... }:
 let
   env = myconfig.env.tools.mediagoblin;
-  socketsDir = "/run/mediagoblin";
-  varDir = "/var/lib/mediagoblin";
   cfg = config.services.myWebsites.tools.mediagoblin;
-  mediagoblin_init = "/var/secrets/webapps/tools-mediagoblin";
-  paste_local = pkgs.writeText "paste_local.ini" ''
-    [DEFAULT]
-    debug = false
-
-    [pipeline:main]
-    pipeline = mediagoblin
-
-    [app:mediagoblin]
-    use = egg:mediagoblin#app
-    config = ${mediagoblin_init} ${pythonRoot}/mediagoblin.ini
-    /mgoblin_static = ${pythonRoot}/mediagoblin/static
-
-    [loggers]
-    keys = root
-
-    [handlers]
-    keys = console
-
-    [formatters]
-    keys = generic
-
-    [logger_root]
-    level = INFO
-    handlers = console
-
-    [handler_console]
-    class = StreamHandler
-    args = (sys.stderr,)
-    level = NOTSET
-    formatter = generic
-
-    [formatter_generic]
-    format = %(levelname)-7.7s [%(name)s] %(message)s
-
-    [filter:errors]
-    use = egg:mediagoblin#errors
-    debug = false
-
-    [server:main]
-    use = egg:waitress#main
-    unix_socket = ${socketsDir}/mediagoblin.sock
-    unix_socket_perms = 777
-    url_scheme = https
-    '';
-  pythonRoot = pkgs.webapps.mediagoblin-with-plugins;
+  mcfg = config.services.mediagoblin;
 in {
   options.services.myWebsites.tools.mediagoblin = {
     enable = lib.mkEnableOption "enable mediagoblin's website";
@@ -63,7 +16,7 @@ in {
       permissions = "0400";
       text = ''
         [DEFAULT]
-        data_basedir = "${varDir}"
+        data_basedir = "${mcfg.dataDir}"
 
         [mediagoblin]
         direct_remote_path = /mgoblin_static/
@@ -118,94 +71,12 @@ in {
         '';
     }];
 
-    ids.uids.mediagoblin = myconfig.env.tools.mediagoblin.user.uid;
-    ids.gids.mediagoblin = myconfig.env.tools.mediagoblin.user.gid;
+    users.users.mediagoblin.extraGroups = [ "keys" ];
 
-    users.users.mediagoblin = {
-      name = "mediagoblin";
-      uid = config.ids.uids.mediagoblin;
-      group = "mediagoblin";
-      description = "Mediagoblin user";
-      home = varDir;
-      useDefaultShell = true;
-      extraGroups = [ "keys" ];
-    };
-
-    users.groups.mediagoblin.gid = config.ids.gids.mediagoblin;
-
-    systemd.services.mediagoblin-web = {
-      description = "Mediagoblin service";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" ];
-      wants = [ "postgresql.service" "redis.service" ];
-
-      environment.SCRIPT_NAME = "/mediagoblin/";
-
-      script = ''
-        exec ./bin/paster serve \
-          ${paste_local} \
-          --pid-file=${socketsDir}/mediagoblin.pid
-      '';
-
-      preStop = ''
-        exec ./bin/paster serve \
-          --pid-file=${socketsDir}/mediagoblin.pid \
-          ${paste_local} stop
-        '';
-      preStart = ''
-        ./bin/gmg -cf ${mediagoblin_init} dbupdate
-      '';
-
-      serviceConfig = {
-        User = "mediagoblin";
-        PrivateTmp = true;
-        Restart = "always";
-        TimeoutSec = 15;
-        Type = "simple";
-        WorkingDirectory = pythonRoot;
-        PIDFile = "${socketsDir}/mediagoblin.pid";
-      };
-
-      unitConfig.RequiresMountsFor = varDir;
-    };
-
-    systemd.services.mediagoblin-celeryd = {
-      description = "Mediagoblin service";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" "mediagoblin-web.service" ];
-
-      environment.MEDIAGOBLIN_CONFIG = mediagoblin_init;
-      environment.CELERY_CONFIG_MODULE = "mediagoblin.init.celery.from_celery";
-
-      script = ''
-        exec ./bin/celery worker \
-          --logfile=${varDir}/celery.log \
-          --loglevel=INFO
-      '';
-
-      serviceConfig = {
-        User = "mediagoblin";
-        PrivateTmp = true;
-        Restart = "always";
-        TimeoutSec = 60;
-        Type = "simple";
-        WorkingDirectory = pythonRoot;
-        PIDFile = "${socketsDir}/mediagoblin-celeryd.pid";
-      };
-
-      unitConfig.RequiresMountsFor = varDir;
-    };
-
-    system.activationScripts.mediagoblin = {
-      deps = [ "users" ];
-      text = ''
-      install -m 0755 -o mediagoblin -g mediagoblin -d ${socketsDir}
-      install -m 0755 -o mediagoblin -g mediagoblin -d ${varDir}
-      if [ -d ${varDir}/plugin_static/ ]; then
-        rm ${varDir}/plugin_static/coreplugin_basic_auth
-        ln -sf ${pythonRoot}/mediagoblin/plugins/basic_auth/static ${varDir}/plugin_static/coreplugin_basic_auth
-      fi
-      '';
+    services.mediagoblin = {
+      enable     = true;
+      plugins    = builtins.attrValues pkgs.webapps.mediagoblin-plugins;
+      configFile = "/var/secrets/webapps/tools-mediagoblin";
     };
 
     services.myWebsites.tools.modules = [
@@ -218,20 +89,20 @@ in {
       hosts       = ["mgoblin.immae.eu" ];
       root        = null;
       extraConfig = [ ''
-        Alias /mgoblin_media ${varDir}/media/public
-        <Directory ${varDir}/media/public>
+        Alias /mgoblin_media ${mcfg.dataDir}/media/public
+        <Directory ${mcfg.dataDir}/media/public>
           Options -Indexes +FollowSymLinks +MultiViews +Includes
           Require all granted
         </Directory>
 
-        Alias /theme_static ${varDir}/theme_static
-        <Directory ${varDir}/theme_static>
+        Alias /theme_static ${mcfg.dataDir}/theme_static
+        <Directory ${mcfg.dataDir}/theme_static>
           Options -Indexes +FollowSymLinks +MultiViews +Includes
           Require all granted
         </Directory>
 
-        Alias /plugin_static ${varDir}/plugin_static
-        <Directory ${varDir}/plugin_static>
+        Alias /plugin_static ${mcfg.dataDir}/plugin_static
+        <Directory ${mcfg.dataDir}/plugin_static>
           Options -Indexes +FollowSymLinks +MultiViews +Includes
           Require all granted
         </Directory>
@@ -243,8 +114,8 @@ in {
         ProxyPass /theme_static !
         ProxyPass /plugin_static !
         ProxyPassMatch ^/.well-known/acme-challenge !
-        ProxyPass / unix://${socketsDir}/mediagoblin.sock|http://mgoblin.immae.eu/
-        ProxyPassReverse / unix://${socketsDir}/mediagoblin.sock|http://mgoblin.immae.eu/
+        ProxyPass / unix://${mcfg.socketsDir}/mediagoblin.sock|http://mgoblin.immae.eu/
+        ProxyPassReverse / unix://${mcfg.socketsDir}/mediagoblin.sock|http://mgoblin.immae.eu/
       '' ];
     };
   };