h: enable gotosocial

- Add a _rough_ module for gotosocial
- Add a package for gotosocial

hosts/h/default.nix

@@ -16,7 +16,7 @@ let
 
 in {
   _module.args.isUnstable = true;
-  imports = [ ./hardware-configuration.nix ];
+  imports = [ ./hardware-configuration.nix ../../modules/gotosocial.nix ];
 
   boot.loader.grub.enable = true;
   boot.loader.grub.version = 2;
@@ -127,6 +127,34 @@ in {
   };
 
   services = {
+    gotosocial = {
+      enable = true;
+      # https://github.com/superseriousbusiness/gotosocial/blob/v0.5.0-rc1/example/config.yaml
+      configuration = {
+        log-level = "info";
+        log-db-queries = false;
+        host = "mammothcircus.com";
+        protocol = "http";
+        bind-address = "127.0.0.1";
+        port = 8778;
+        trusted-proxies = [ "127.0.0.1/32" ];
+        db-type = "postgres";
+        db-address = "127.0.0.1";
+        db-port = 5432;
+        db-user = "gotosocial";
+        dp-password = "";
+        db-database = "gotosocial";
+        db-tls-ca-cert = "";
+        accounts-registration-open = false;
+        accounts-reason-required = true;
+        accounts-approval-required = true;
+        storage-backend = "local";
+        storage-local-base-path = "/var/lib/gotosocial/storage";
+        web-template-base-dir = "${config.services.gotosocial.package}/assets/web/template/";
+        web-asset-base-dir = "${config.services.gotosocial.package}/assets/web/assets/";
+
+      };
+    };
     promtail = {
       enable = true;
       configuration = {
@@ -351,6 +379,10 @@ in {
           forceSSL = true;
           enableACME = true;
           root = "/var/www/mammothcircus.com";
+          locations."/" = {
+            proxyWebsockets = true;
+            proxyPass = "http://127.0.0.1:${toString config.services.gotosocial.configuration.port}";
+          };
         };
         "akb.io" = {
           forceSSL = true;
@@ -398,11 +430,17 @@ in {
           LC_COLLATE = "C"
           LC_CTYPE = "C";
       '';
-      ensureDatabases = [ "synapse" ];
-      ensureUsers = [{
+      ensureDatabases = [ "synapse" "gotosocial" ];
+      ensureUsers = [
+        {
           name = "synapse_user";
           ensurePermissions."DATABASE synapse" = "ALL PRIVILEGES";
-      }];
+        }
+        {
+          name = "gotosocial";
+          ensurePermissions."DATABASE gotosocial" = "ALL PRIVILEGES";
+        }
+      ];
     };
 
     mjolnir = {

modules/gotosocial.nix

@@ -0,0 +1,76 @@
+{ config, lib, pkgs, prettyJSON, ... }:
+with pkgs;
+let
+  cfg = config.services.gotosocial;
+  gotosocial = callPackage ../pkgs/gotosocial.nix { };
+  prettyJSON = conf:
+    pkgs.runCommandLocal "gotosocial-config.json" { } ''
+      echo '${
+        builtins.toJSON conf
+      }' | ${pkgs.buildPackages.jq}/bin/jq 'del(._module)' > $out
+    '';
+in {
+  options = with lib; {
+    services.gotosocial = {
+      enable = mkEnableOption "Enable gotosocial";
+
+      user = mkOption {
+        type = with types; oneOf [ str int ];
+        default = "gotosocial";
+        description = ''
+          The user the service will use.
+        '';
+      };
+
+      group = mkOption {
+        type = with types; oneOf [ str int ];
+        default = "gotosocial";
+        description = ''
+          The user the service will use.
+        '';
+      };
+
+      configuration = mkOption {
+        type = (pkgs.formats.json { }).type;
+        description = ''
+          Specify the configuration for GoToSocial in Nix.
+        '';
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = gotosocial;
+        defaultText = literalExpression "pkgs.gotosocial";
+        description = "The package to use for gotosocial";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.groups.gotosocial = { };
+    users.users.gotosocial = {
+      description = "Gotosocial service user";
+      isSystemUser = true;
+      home = "/var/lib/gotosocial";
+      createHome = true;
+      group = "gotosocial";
+    };
+
+    systemd.services.gotosocial = {
+      enable = true;
+      description = "GoToSocial server";
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+
+        RuntimeDirectory = "/var/lib/gotosocial";
+
+        ExecStart = "${cfg.package}/bin/gotosocial --config-path ${
+            prettyJSON cfg.configuration
+          } server start";
+      };
+    };
+  };
+}

pkgs/gotosocial.nix

@@ -0,0 +1,43 @@
+{ stdenv, lib, buildGoModule, fetchFromGitHub, makeWrapper, go, git, ... }:
+let
+  gotosocialVersion = "0.5.0-rc1";
+  gotosocialWebAssets = builtins.fetchurl {
+    url = "https://github.com/superseriousbusiness/gotosocial/releases/download/v${gotosocialVersion}/gotosocial_${gotosocialVersion}_web-assets.tar.gz";
+    sha256 = "sha256-jmciiSRW73aoZu8WCVpEpMR0xemJUQ12h7ZUFFqmmko=";
+  };
+  in with lib;
+buildGoModule rec {
+  pname = "gotosocial";
+  version = gotosocialVersion;
+
+  src = fetchFromGitHub {
+    owner = "superseriousbusiness";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-xq+hebQaJZ1C2Tgc9MwWf8fYTpSu8B6EZMC8CKB2nu0=";
+  };
+
+  doCheck = false;
+
+  #ldflags = [ "-X github.com/gomods/athens/pkg/build.version=${version}" ];
+
+  #nativeBuildInputs = lib.optionals stdenv.isLinux [ makeWrapper go ];
+
+  proxyVendor = false;
+
+  #subPackages = [ "cmd/proxy" ];
+
+  vendorSha256 = null;
+
+  postInstall = ''
+    mkdir -p $out/assets
+    tar -C $out/assets/ -zxvf ${gotosocialWebAssets}
+  '';
+
+  meta = {
+    description = "Fast, fun, ActivityPub server, powered by Go.";
+    homepage = "https://github.com/superseriousbusiness/gotosocial";
+    license = licenses.agpl3;
+    maintainers = with maintainers; [ qbit ];
+  };
+}