Add nix-infra-machine

2026-09-19 02:52:56 +02:00 · 2026-03-15 18:31:53 +01:00
parent 28ea6f4a47
commit 1034986fa1
79 changed files with 14465 additions and 0 deletions
@@ -0,0 +1,176 @@
+# Custom n8n package with version selection
+# Based on: https://github.com/NixOS/nixpkgs/blob/nixos-25.11/pkgs/by-name/n8/n8n/package.nix
+#
+# To add a new version:
+# 1. Get the source hash:
+#    nix-prefetch-url --unpack https://github.com/n8n-io/n8n/archive/refs/tags/n8n@VERSION.tar.gz
+# 2. Get the pnpm deps hash by running a build with lib.fakeHash and copying the correct hash from error
+# 3. Add entry to versionHashes below
+
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  nodejs,
+  pnpm_10,
+  fetchPnpmDeps,
+  pnpmConfigHook,
+  python3,
+  node-gyp,
+  cctools,
+  xcbuild,
+  libkrb5,
+  libmongocrypt,
+  libpq,
+  makeWrapper,
+  # Custom parameters
+  version ? "2.1.5",
+  buildMemoryMB ? 4096,
+}:
+
+let
+  # Known version hashes
+  # To add a new version, run:
+  #   nix-prefetch-url --unpack https://github.com/n8n-io/n8n/archive/refs/tags/n8n@VERSION.tar.gz
+  # Then build with lib.fakeHash for pnpmDepsHash to get the correct hash
+  versionHashes = {
+    "2.1.5" = {
+      srcHash = "sha256-/MPY3j/2I3CgX5rRhzj3v7bHjaQEDMNnkVfk3taCrYA=";
+      pnpmDepsHash = "sha256-FRoZIINONy0kFPQAJhOwnCUv7HHwdgqm3r5SJmq4UYk=";
+    };
+    "2.1.4" = {
+      srcHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+      pnpmDepsHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+    };
+    "2.0.0" = {
+      srcHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+      pnpmDepsHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+    };
+    "1.120.4" = {
+      srcHash = "sha256-gUqQM/eA7GnvFYiduSGkj/MCvgWNQPhDLExAJz67bHg=";
+      pnpmDepsHash = "sha256-UWiN3NvI8We16KwY5JspyX0ok1PJWVg0T5zw+0SnrWk=";
+    };
+    "1.91.3" = {
+      srcHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+      pnpmDepsHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+    };
+  };
+
+  # Get hashes for the requested version
+  hashes = versionHashes.${version} or (throw ''
+    n8n version ${version} is not supported.
+    
+    Supported versions: ${builtins.concatStringsSep ", " (builtins.attrNames versionHashes)}
+    
+    To add support for version ${version}:
+    1. Get source hash: nix-prefetch-url --unpack https://github.com/n8n-io/n8n/archive/refs/tags/n8n@${version}.tar.gz
+    2. Add entry to versionHashes in app_modules/_unstable/n8n/package.nix
+    3. Build once with placeholder pnpmDepsHash to get the correct hash from the error message
+  '');
+
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "n8n";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "n8n-io";
+    repo = "n8n";
+    tag = "n8n@${finalAttrs.version}";
+    hash = hashes.srcHash;
+  };
+
+  pnpmDeps = fetchPnpmDeps {
+    inherit (finalAttrs) pname version src;
+    pnpm = pnpm_10;
+    fetcherVersion = 2;
+    hash = hashes.pnpmDepsHash;
+  };
+
+  nativeBuildInputs = [
+    pnpmConfigHook
+    pnpm_10
+    python3        # required to build sqlite3 bindings
+    node-gyp       # required to build sqlite3 bindings
+    makeWrapper
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    cctools
+    xcbuild
+  ];
+
+  buildInputs = [
+    nodejs
+    libkrb5
+    libmongocrypt
+    libpq
+  ];
+
+  # Set memory limit for Node.js during build
+  env = {
+    NODE_OPTIONS = "--max-old-space-size=${toString buildMemoryMB}";
+  };
+
+  buildPhase = ''
+    runHook preBuild
+
+    pushd node_modules/sqlite3
+    node-gyp rebuild
+    popd
+
+    # TODO: use deploy after resolved https://github.com/pnpm/pnpm/issues/5315
+    pnpm build --filter=n8n
+
+    runHook postBuild
+  '';
+
+  preInstall = ''
+    echo "Removing non-deterministic and unnecessary files"
+
+    find -type d -name .turbo -exec rm -rf {} +
+    rm node_modules/.modules.yaml
+    rm -f packages/nodes-base/dist/types/nodes.json
+
+    CI=true pnpm --ignore-scripts prune --prod
+    find -type f \( -name "*.ts" -o -name "*.map" \) -exec rm -rf {} +
+    rm -rf node_modules/.pnpm/{typescript*,prettier*}
+    shopt -s globstar
+    # https://github.com/pnpm/pnpm/issues/3645
+    find node_modules packages/**/node_modules -xtype l -delete
+
+    echo "Removed non-deterministic and unnecessary files"
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/{bin,lib/n8n}
+    mv {packages,node_modules} $out/lib/n8n
+
+    makeWrapper $out/lib/n8n/packages/cli/bin/n8n $out/bin/n8n \
+      --set N8N_RELEASE_TYPE "stable"
+
+    runHook postInstall
+  '';
+
+  # this package has ~80000 files, these take too long and seem to be unnecessary
+  dontStrip = true;
+  dontPatchELF = true;
+  dontRewriteSymlinks = true;
+
+  meta = {
+    description = "Free and source-available fair-code licensed workflow automation tool";
+    longDescription = ''
+      Free and source-available fair-code licensed workflow automation tool.
+      Easily automate tasks across different services.
+    '';
+    homepage = "https://n8n.io";
+    changelog = "https://github.com/n8n-io/n8n/releases/tag/n8n@${finalAttrs.version}";
+    maintainers = with lib.maintainers; [
+      gepbird
+      AdrienLemaire
+    ];
+    license = lib.licenses.sustainableUse;
+    mainProgram = "n8n";
+    platforms = lib.platforms.unix;
+  };
+})