From 24fd1fe6c62b7a9fc347794fde043285da272f5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Thu, 13 Dec 2018 21:25:24 +0100
Subject: Initial commit published for NUR

---
 modules/webapps/diaspora.nix | 171 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 modules/webapps/diaspora.nix

(limited to 'modules/webapps/diaspora.nix')

diff --git a/modules/webapps/diaspora.nix b/modules/webapps/diaspora.nix
new file mode 100644
index 00000000..65599b73
--- /dev/null
+++ b/modules/webapps/diaspora.nix
@@ -0,0 +1,171 @@
+{ lib, pkgs, config, ... }:
+let
+  name = "diaspora";
+  cfg = config.services.diaspora;
+
+  uid = config.ids.uids.diaspora;
+  gid = config.ids.gids.diaspora;
+in
+{
+  options.services.diaspora = {
+    enable = lib.mkEnableOption "Enable Diaspora’s service";
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "User account under which Diaspora runs";
+    };
+    group = lib.mkOption {
+      type = lib.types.str;
+      default = name;
+      description = "Group under which Diaspora runs";
+    };
+    adminEmail = lib.mkOption {
+      type = lib.types.str;
+      example = "admin@example.com";
+      description = "Admin e-mail for Diaspora";
+    };
+    dataDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/var/lib/${name}";
+      description = ''
+        The directory where Diaspora stores its data.
+      '';
+    };
+    socketsDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/run/${name}";
+      description = ''
+        The directory where Diaspora puts runtime files and sockets.
+        '';
+    };
+    configDir = lib.mkOption {
+      type = lib.types.path;
+      description = ''
+        The configuration path for Diaspora.
+        '';
+    };
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.webapps.diaspora;
+      description = ''
+        Diaspora package to use.
+        '';
+    };
+    # Output variables
+    systemdStateDirectory = lib.mkOption {
+      type = lib.types.str;
+      # Use ReadWritePaths= instead if varDir is outside of /var/lib
+      default = assert lib.strings.hasPrefix "/var/lib/" cfg.dataDir;
+        lib.strings.removePrefix "/var/lib/" cfg.dataDir;
+      description = ''
+      Adjusted Diaspora data directory for systemd
+      '';
+      readOnly = true;
+    };
+    systemdRuntimeDirectory = lib.mkOption {
+      type = lib.types.str;
+      # Use ReadWritePaths= instead if socketsDir is outside of /run
+      default = assert lib.strings.hasPrefix "/run/" cfg.socketsDir;
+        lib.strings.removePrefix "/run/" cfg.socketsDir;
+      description = ''
+      Adjusted Diaspora sockets directory for systemd
+      '';
+      readOnly = true;
+    };
+    workdir = lib.mkOption {
+      type = lib.types.package;
+      default = cfg.package.override {
+        varDir = cfg.dataDir;
+        podmin_email = cfg.adminEmail;
+        config_dir = cfg.configDir;
+      };
+      description = ''
+        Adjusted diaspora package with overriden values
+        '';
+      readOnly = true;
+    };
+    sockets = lib.mkOption {
+      type = lib.types.attrsOf lib.types.path;
+      default = {
+        rails = "${cfg.socketsDir}/diaspora.sock";
+        eye   = "${cfg.socketsDir}/eye.sock";
+      };
+      readOnly = true;
+      description = ''
+        Diaspora sockets
+        '';
+    };
+    pids = lib.mkOption {
+      type = lib.types.attrsOf lib.types.path;
+      default = {
+        eye   = "${cfg.socketsDir}/eye.pid";
+      };
+      readOnly = true;
+      description = ''
+        Diaspora pids
+        '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users = lib.optionalAttrs (cfg.user == name) (lib.singleton {
+      inherit name;
+      inherit uid;
+      group = cfg.group;
+      description = "Diaspora user";
+      home = cfg.dataDir;
+      packages = [ cfg.workdir.gems pkgs.nodejs cfg.workdir.gems.ruby ];
+      useDefaultShell = true;
+    });
+    users.groups = lib.optionalAttrs (cfg.group == name) (lib.singleton {
+      inherit name;
+      inherit gid;
+    });
+
+    systemd.services.diaspora = {
+      description = "Diaspora";
+      wantedBy = [ "multi-user.target" ];
+      after = [
+        "network.target" "redis.service" "postgresql.service"
+      ];
+      wants = [
+        "redis.service" "postgresql.service"
+      ];
+
+      environment.RAILS_ENV = "production";
+      environment.BUNDLE_PATH = "${cfg.workdir.gems}/${cfg.workdir.gems.ruby.gemPath}";
+      environment.BUNDLE_GEMFILE = "${cfg.workdir.gems.confFiles}/Gemfile";
+      environment.EYE_SOCK = cfg.sockets.eye;
+      environment.EYE_PID = cfg.pids.eye;
+
+      path = [ cfg.workdir.gems pkgs.nodejs cfg.workdir.gems.ruby pkgs.curl pkgs.which pkgs.gawk ];
+
+      preStart = ''
+        install -m 0755 -d ${cfg.dataDir}/uploads ${cfg.dataDir}/tmp ${cfg.dataDir}/log
+        install -m 0700 -d ${cfg.dataDir}/tmp/pids
+        if [ ! -f ${cfg.dataDir}/schedule.yml ]; then
+          echo "{}" > ${cfg.dataDir}/schedule.yml
+        fi
+        ./bin/bundle exec rails db:migrate
+      '';
+
+      script = ''
+        exec ${cfg.workdir}/script/server
+      '';
+
+      serviceConfig = {
+        User = cfg.user;
+        PrivateTmp = true;
+        Restart = "always";
+        Type = "simple";
+        WorkingDirectory = cfg.workdir;
+        StateDirectory = cfg.systemdStateDirectory;
+        RuntimeDirectory = cfg.systemdRuntimeDirectory;
+        StandardInput = "null";
+        KillMode = "control-group";
+      };
+
+      unitConfig.RequiresMountsFor = cfg.dataDir;
+    };
+  };
+}
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