refactor: cleaned up nixos dir

nixos/modules/services/ollama/default.nix

@@ -0,0 +1,117 @@
+{
+  flake,
+  config,
+  pkgs,
+  ...
+}:
+let
+  inherit (flake.config.machines.devices)
+    desktop
+    server
+    ;
+  inherit (flake.config.services.instances)
+    ollama
+    web
+    ;
+  service = ollama;
+  localhost = web.localhost.address0;
+  hostname = config.networking.hostName;
+  host = "${service.subdomain}.${web.domains.url0}";
+
+  caddyLogic =
+    if hostname == server.name then
+      {
+        caddy = {
+          virtualHosts = {
+            ${host} = {
+              extraConfig = ''
+                reverse_proxy ${localhost}:${toString service.ports.port0}
+
+                tls ${service.ssl.cert} ${service.ssl.key}
+              '';
+            };
+          };
+        };
+      }
+    else
+      { };
+
+  mountLogic =
+    if hostname == server.name then
+      {
+        "/var/lib/${service.name}" = {
+          device = service.paths.path0;
+          fsType = "none";
+          options = [
+            "bind"
+          ];
+          depends = [
+            server.storage0.mount
+          ];
+        };
+      }
+    else
+      { };
+in
+{
+  services = {
+    ollama =
+      {
+        enable = true;
+        group = service.name;
+        host = "http://${localhost}";
+        user = service.name;
+      }
+      // (
+        if hostname == desktop.name then
+          {
+            acceleration = "rocm";
+            package = pkgs.ollama.override {
+              config = {
+                rocmSupport = true;
+                cudaSupport = false;
+              };
+            };
+          }
+        else
+          {
+            port = service.ports.port1;
+            acceleration = false;
+            models = service.paths.path1;
+          }
+      );
+    open-webui = {
+      enable = true;
+      host = localhost;
+      port = service.ports.port0;
+      environment = {
+        ENABLE_OLLAMA_API = "True";
+        ANONYMIZED_TELEMETRY = "False";
+        DO_NOT_TRACK = "True";
+        SCARF_NO_ANALYTICS = "True";
+        OLLAMA_BASE_URL = "http://${localhost}:${toString service.ports.port1}";
+        WEBUI_AUTH = "True";
+      };
+    };
+  } // caddyLogic;
+
+  systemd.tmpfiles.rules = [
+    (
+      if hostname == desktop.name then
+        "Z ${service.paths.path1} 0777 ${service.name} ${service.name} -"
+      else
+        "Z ${service.paths.path0} 0755 ${service.name} ${service.name} -"
+    )
+  ];
+
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        # 8080
+        service.ports.port0
+        service.ports.port1
+      ];
+    };
+  };
+  fileSystems = mountLogic;
+}