add reporting to general

common/general/default.nix

@@ -57,6 +57,7 @@ in
     ./shell/common.nix
     ./fonts.nix
     ./tty_caps_esc.nix
+    ./reporting.nix
   ];
   config = {
     # name this computer

common/general/reporting.nix

@@ -0,0 +1,74 @@
+{
+  lib,
+  config,
+  ...
+}:
+let
+  ccfg = import ../config.nix;
+  cfg_path = [
+    ccfg.custom_config_key
+    "reporting"
+  ];
+  cfg = lib.attrsets.getAttrFromPath cfg_path config;
+in
+{
+  options =
+    { }
+    // lib.attrsets.setAttrByPath cfg_path {
+      enable = lib.mkEnabledOption true "Reporting node and logs";
+    };
+
+  config = lib.mkIf cfg.enable {
+    services.prometheus.exporters.node = {
+      enable = true;
+      port = 9100;
+    };
+
+    # Create necessary directories with appropriate permissions
+    systemd.tmpfiles.rules = [
+      "d /tmp/positions 1777 - - -" # World-writable directory for positions file
+      "f /tmp/positions.yaml 0666 - - -" # World-writable positions file
+    ];
+    users.groups.systemd-journal.members = [ "promtail" ];
+    services.promtail = {
+      enable = true;
+      extraFlags = [
+        "-config.expand-env=true"
+      ];
+      configuration = {
+        server = {
+          http_listen_port = 9080;
+          grpc_listen_port = 0;
+        };
+        positions = {
+          filename = "/tmp/positions.yaml"; # Changed from /var/lib/promtail/positions.yaml
+        };
+        clients = [
+          {
+            url = "http://100.64.0.13:3100/loki/api/v1/push"; # Points to your Loki instance
+          }
+        ];
+        scrape_configs = [
+          {
+            job_name = "journal";
+            journal = {
+              json = false;
+              max_age = "12h";
+              path = "/var/log/journal";
+              labels = {
+                job = "systemd-journal";
+                host = config.networking.hostName;
+              };
+            };
+            relabel_configs = [
+              {
+                source_labels = [ "__journal__systemd_unit" ];
+                target_label = "unit";
+              }
+            ];
+          }
+        ];
+      };
+    };
+  };
+}