Force hydra to use IPv4 only

m/hut/configuration.nix

@@ -17,6 +17,7 @@
     ./postgresql.nix
     ./nginx.nix
     ./p.nix
+    ./hydra.nix
     #./pxe.nix
   ];
 

m/hut/hydra.nix

@@ -0,0 +1,15 @@
+{ ... }:
+{
+  services.hydra = {
+    enable = true;
+    hydraURL = "http://jungle.bsc.es/hydra"; # externally visible URL
+    notificationSender = "hydra@jungle.bsc.es"; # e-mail of Hydra service
+    port = 3001;
+    # a standalone Hydra will require you to unset the buildMachinesFiles list to avoid using a nonexistant /etc/nix/machines
+    buildMachinesFiles = [];
+    # you will probably also want, otherwise *everything* will be built from scratch
+    useSubstitutes = true;
+
+    listenHost = "0.0.0.0"; # Force IPv4
+  };
+}

m/hut/nginx.nix

@@ -48,6 +48,17 @@ in
           proxy_pass http://127.0.0.1:5000;
           proxy_redirect http:// $scheme://;
         }
+        location /hydra {
+          rewrite ^/hydra/(.*) /$1 break;
+          proxy_pass http://127.0.0.1:3001;
+          proxy_redirect http:// $scheme://;
+
+          proxy_set_header  Host              $host;
+          proxy_set_header  X-Real-IP         $remote_addr;
+          proxy_set_header  X-Forwarded-For   $proxy_add_x_forwarded_for;
+          proxy_set_header  X-Forwarded-Proto $scheme;
+          proxy_set_header  X-Request-Base    /hydra;
+        }
         location /lists {
           proxy_pass http://127.0.0.1:8081;
           proxy_redirect http:// $scheme://;

overlay.nix

@@ -55,7 +55,6 @@ let
     stdenvClangOmpss2Nanos6 = final.stdenv.override { cc = final.clangOmpss2Nanos6; allowedRequisites = null; };
     stdenvClangOmpss2Nodes = final.stdenv.override { cc = final.clangOmpss2Nodes; allowedRequisites = null; };
     stdenvClangOmpss2NodesOmpv = final.stdenv.override { cc = final.clangOmpss2NodesOmpv; allowedRequisites = null; };
-    tacuda = callPackage ./pkgs/tacuda/default.nix { };
     tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
     tampi = callPackage ./pkgs/tampi/default.nix { };
     upc-qaire-exporter = prev.callPackage ./pkgs/upc-qaire-exporter/default.nix { };

pkgs/tacuda/default.nix

@@ -1,68 +0,0 @@
-{ stdenv
-, fetchFromGitHub
-, automake
-, autoconf
-, libtool
-, gnumake
-, autoreconfHook
-, boost
-, cudaPackages
-
-, useGit ? false
-, gitUrl ? "git@gitlab-internal.bsc.es:task-awareness/tacuda/tacuda.git"
-, gitBranch ? "main"
-, gitCommit ? "35234f9445e6149a2bd38d119841e2485d6ee05e"
-}:
-
-let
-
-  release_ver = "2.1.0";
-  release = {
-    version = release_ver;
-    src = fetchFromGitHub {
-      owner = "bsc-pm";
-      repo = "tacuda";
-      rev = release_ver;
-      hash = "sha256-Cj3EiLVJSLvRv0ydeg7Vp4SpkniEqHkcWF+YOJQ8EcM=";
-    };
-  };
-
-  git = rec {
-    version = src.shortRev;
-    src = builtins.fetchGit {
-      url = gitUrl;
-      ref = gitBranch;
-      rev = gitCommit;
-    };
-  };
-
-  source = if (useGit) then git else release;
-
-in
-
-stdenv.mkDerivation {
-  pname = "tacuda";
-  inherit (source) src version;
-
-  enableParallelBuilding = true;
-  separateDebugInfo = true;
-
-  nativeBuildInputs = [
-    autoreconfHook
-    automake
-    autoconf
-    libtool
-    gnumake
-  ];
-
-  patches = [ ./fix_config.patch ];
-
-  configureFlags = [ "--with-cuda-include=${cudaPackages.cudatoolkit}/include" ];
-
-  buildInputs = [
-    boost
-    cudaPackages.libcublas
-    cudaPackages.cuda_cudart
-  ];
-
-}

pkgs/tacuda/fix_config.patch

@@ -1,13 +0,0 @@
-diff --git a/m4/cuda.m4 b/m4/cuda.m4
-index 23f5c94..8f9b534 100644
---- a/m4/cuda.m4
-+++ b/m4/cuda.m4
-@@ -40,7 +40,7 @@ search_libs="cuda cublas cudart"
- required_libs=""
- 
- m4_foreach([function],
--           [cuInit,
-+           [
- 	    cublasSgemm,
-             cudaStreamCreate,
-             cudaLaunchKernel,