add hydra (#48)

flake.nix

@@ -75,7 +75,7 @@
         repos = [
           {
             repo = "https://gitlab.com/vojko.pribudic/pre-commit-update";
-            rev = "f4886322eb7fc53c49e28cc1991674deb1f790bd";
+            rev = "bbd69145df8741f4f470b8f1cf2867121be52121";
             hooks = [
               {
                 id = "pre-commit-update";

modules/hydra.nix

@@ -0,0 +1,17 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.services.hydra;
+in
+{
+  config = {
+    services.hydra.extraConfig = lib.mkDefault (lib.concatLines [
+      cfg.extraConfig
+      ''
+        <git-input>
+          timeout = 3600
+        </git-input>
+      ''
+    ]);
+  };
+}

systems/palatine-hill/configuration.nix

@@ -17,7 +17,10 @@
   nixpkgs.config.packageOverrides = pkgs: {
     vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
   };
-  hardware.opengl = {
+
+  hardware = {
+    enableAllFirmware = true;
+    opengl = {
       enable = true;
       extraPackages = with pkgs; [
         intel-media-driver # LIBVA_DRIVER_NAME=iHD
@@ -28,23 +31,23 @@
         intel-media-sdk
       ];
     };
-  hardware.enableAllFirmware = true;
+  };
 
   virtualisation = {
     docker = {
       enable = true;
       recommendedDefaults = true;
       logDriver = "local";
+      storageDriver = "overlay2";
       daemon."settings" = {
         experimental = true;
+        data-root = "/var/lib/docker2";
         exec-opts = [ "native.cgroupdriver=systemd" ];
         log-opts = {
           max-size = "10m";
           max-file = "5";
         };
-        data-root = "/var/lib/docker2";
       };
-      storageDriver = "overlay2";
     };
 
     # Disabling as topgrade apparently prefers podman over docker and now I cant update anything :(
@@ -62,13 +65,42 @@
   services = {
     samba.enable = true;
     nfs.server.enable = true;
-
     openssh.ports = [ 666 ];
     smartd.enable = true;
+
     zfs = {
       trim.enable = true;
       autoScrub.enable = true;
     };
+
+    postgresql = {
+      enable = true;
+      enableJIT = true;
+      upgrade = {
+        enable = true;
+        stopServices = [ "hydra" ];
+      };
+
+      ensureUsers = map
+        (user: {
+          name = user;
+          ensureDBOwnership = true;
+        }) [ "hydra" ];
+
+      ensureDatabases = [ "hydra" ];
+    };
+
+    hydra = {
+      enable = true;
+      hydraURL = "http://localhost:3000";
+      smtpHost = "alicehuston.xyz";
+      notificationSender = "hydra@alicehuston.xyz";
+      gcRootsDir = "/ZFS/ZFS-Primary/hydra";
+      buildMachinesFiles = [ ];
+      useSubstitutes = true;
+      minimumDiskFree = 50;
+      minimumDiskFreeEvaluator = 100;
+    };
   };
 
   networking.firewall.enable = false;