1 files changed, 214 insertions, 0 deletions

diff --git a/flakes/diaspora/flake.nix b/flakes/diaspora/flake.nix
new file mode 100644
index 0000000..21b05d6
--- /dev/null
+++ b/flakes/diaspora/flake.nix
@@ -0,0 +1,214 @@
+{
+  description = "A privacy-aware, distributed, open source social network.";
+  inputs.myuids = {
+    url = "path:../myuids";
+  };
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.nixpkgs = {
+    url = "github:NixOS/nixpkgs/840c782d507d60aaa49aa9e3f6d0b0e780912742";
+    flake = false;
+  };
+  inputs.diaspora = {
+    url = "github:diaspora/diaspora/v0.7.10.0";
+    flake = false;
+  };
+
+  outputs = { self, myuids, nixpkgs, diaspora, flake-utils }: flake-utils.lib.eachSystem ["x86_64-linux"] (system:
+    let
+      pkgs = import nixpkgs { inherit system; overlays = []; };
+      version = (builtins.fromJSON (builtins.readFile ./flake.lock)).nodes.diaspora.original.ref;
+      inherit (pkgs) callPackage;
+    in rec {
+      packages.diaspora = callPackage ./. { src = diaspora // { inherit version; }; };
+      defaultPackage = packages.diaspora;
+      legacyPackages.diaspora = packages.diaspora;
+      checks = {
+        build = defaultPackage;
+      };
+    }
+  ) // rec {
+    overlays = {
+      diaspora = final: prev: {
+        diaspora = self.defaultPackage."${final.system}";
+      };
+    };
+    overlay = overlays.diaspora;
+    nixosModule = { lib, pkgs, config, ... }:
+      let
+        name = "diaspora";
+        cfg = config.services.diaspora;
+
+        uid = config.ids.uids.diaspora;
+        gid = config.ids.gids.diaspora;
+      in
+        {
+          options.services.diaspora = {
+            enable = lib.mkEnableOption "Enable Diaspora’s service";
+            user = lib.mkOption {
+              type = lib.types.str;
+              default = name;
+              description = "User account under which Diaspora runs";
+            };
+            group = lib.mkOption {
+              type = lib.types.str;
+              default = name;
+              description = "Group under which Diaspora runs";
+            };
+            adminEmail = lib.mkOption {
+              type = lib.types.str;
+              example = "admin@example.com";
+              description = "Admin e-mail for Diaspora";
+            };
+            dataDir = lib.mkOption {
+              type = lib.types.path;
+              default = "/var/lib/${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.diaspora;
+              description = ''
+                Diaspora package to use.
+                '';
+            };
+            withLdap = lib.mkEnableOption "Add ldap patch";
+            # 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;
+                ldap = cfg.withLdap;
+              };
+              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 {
+            nixpkgs.overlays = [ self.overlay ];
+            users.users = lib.optionalAttrs (cfg.user == name) {
+              "${name}" = {
+                uid = myuids.lib.uids.diaspora;
+                group = cfg.group;
+                description = "Diaspora user";
+                home = cfg.dataDir;
+                packages = [ cfg.workdir.gems pkgs.nodejs cfg.workdir.gems.ruby ];
+                useDefaultShell = true;
+              };
+            };
+            users.groups = lib.optionalAttrs (cfg.group == name) {
+              "${name}" = {
+                gid = myuids.lib.gids.diaspora;
+              };
+            };
+
+            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;
+            };
+          };
+        };
+  };
+}
+