adding nornsight.nix

2026-05-29 18:39:27 -04:00
parent 0f69022e51
commit 7d507fb7e1
4 changed files with 89 additions and 2 deletions
@@ -0,0 +1,83 @@
+{ pkgs, ... }:
+let
+  vars = import ../vars.nix;
+  stateDir = "${vars.services}/nornsight";
+  appDir = "${stateDir}/app";
+  libraryPath = pkgs.lib.makeLibraryPath [
+    pkgs.libpq
+    pkgs.postgresql.lib
+  ];
+in
+{
+  systemd.tmpfiles.rules = [
+    "d ${stateDir} 0750 nornsight nornsight - -"
+  ];
+
+  users.users.nornsight = {
+    isSystemUser = true;
+    group = "nornsight";
+    home = stateDir;
+  };
+
+  systemd.services.nornsight = {
+    description = "Norn Sight";
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
+    wantedBy = [ "multi-user.target" ];
+
+    environment = {
+      HOME = stateDir;
+      LD_LIBRARY_PATH = libraryPath;
+      PYTHONPATH = appDir;
+    };
+
+    path = with pkgs; [
+      bash
+      coreutils
+      git
+    ];
+
+    serviceConfig = {
+      Type = "simple";
+      User = "nornsight";
+      Group = "nornsight";
+      EnvironmentFile = "-${vars.secrets}/services/nornsight";
+      WorkingDirectory = stateDir;
+      Restart = "on-failure";
+      RestartSec = "5s";
+      StandardOutput = "journal";
+      StandardError = "journal";
+      NoNewPrivileges = true;
+      PrivateTmp = true;
+      ProtectHome = true;
+      ProtectSystem = "strict";
+      ReadWritePaths = [ stateDir ];
+    };
+
+    script = ''
+      set -eu
+
+      : "''${NORN_SIGHT_REPO_URL:?NORN_SIGHT_REPO_URL is required}"
+      branch="''${NORN_SIGHT_BRANCH:-main}"
+
+      if [ -d "${appDir}/.git" ]; then
+        current_origin="$(git -C "${appDir}" remote get-url origin)"
+        if [ "$current_origin" != "$NORN_SIGHT_REPO_URL" ]; then
+          rm -rf "${appDir}"
+        fi
+      fi
+
+      if [ ! -d "${appDir}/.git" ]; then
+        git clone --branch "$branch" "$NORN_SIGHT_REPO_URL" "${appDir}"
+      else
+        cd "${appDir}"
+        git fetch origin "$branch"
+        git checkout "$branch"
+        git pull --ff-only origin "$branch"
+      fi
+
+      cd "${appDir}"
+      exec ${pkgs.my_python}/bin/python -m uvicorn pipelines.web.main:app --reload --host 0.0.0.0 --port 8001
+    '';
+  };
+}