mimas: enable hydra

NixOS · Dec 5, 2024 · 7ae5b71 · 7ae5b71
1 parent 69d486c
commit 7ae5b71
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Showing 2 changed files with 22 additions and 1 deletion.
diff --git a/build/haumea/postgresql.nix b/build/haumea/postgresql.nix
@@ -89,7 +89,7 @@
 
     # FIXME: don't use 'trust'.
     authentication = ''
-      host hydra all 10.254.1.3/32 trust
+      host hydra all 10.254.1.1/32 trust
       host hydra all 10.254.1.5/32 trust
       local all root peer map=prometheus
     '';

diff --git a/build/mimas/default.nix b/build/mimas/default.nix
@@ -1,6 +1,15 @@
+{
+  pkgs,
+  ...
+}:
+
 {
   imports = [
     ../common.nix
+    ../hydra.nix
+    ../hydra-proxy.nix
+    ../hydra-scaler.nix
+    ../packet-importer.nix
     ./boot.nix
     ./network.nix
   ];
@@ -13,5 +22,17 @@
     hostId = "aba92093";
   };
 
+  # garbage collection
+  nix.gc = {
+    automatic = true;
+    options = ''--max-freed "$((400 * 1024**3 - 1024 * $(df -P -k /nix/store | tail -n 1 | ${pkgs.gawk}/bin/awk '{ print $4 }')))"'';
+    dates = "03,09,15,21:15";
+  };
+
+  # gc outputs as well, since they are served from the cache
+  nix.extraOptions = "gc-keep-outputs = false";
+
+  nixpkgs.hostPlatform = "x86_64-linux";
+
   system.stateVersion = "24.11";
 }