Add alloy

hosts/monitoring01/configuration.nix

@@ -74,6 +74,7 @@
 
     settings = {
       ListenAddr = ":9969";
+      Profiling = true;
       StepMonitors = [
         {
           Enabled = true;

services/monitoring/alloy.nix

@@ -0,0 +1,41 @@
+{ ... }:
+{
+  services.alloy = {
+    enable = true;
+  };
+
+  environment.etc."alloy/config.alloy" = {
+    enable = true;
+    mode = "0644";
+    text = ''
+      pyroscope.write "local_pyroscope" {
+        endpoint {
+          url = "http://localhost:4040";
+        }
+      }
+
+      pyroscope.scrape "labmon" {
+        targets    = [{"__address__" = "localhost:9969", "service_name" = "labmon"}]
+        forward_to = [pyroscope.write.local_pyroscope.receiver]
+
+        profiling_config {
+          profile.process_cpu {
+            enabled = true;
+          }
+          profile.memory {
+            enabled = true;
+          }
+          profile.mutex {
+            enabled = true;
+          }
+          profile.block {
+            enabled = true;
+          }
+          profile.goroutine {
+            enabled = true;
+          }
+        }
+      }
+    '';
+  };
+}

services/monitoring/default.nix

@@ -7,5 +7,6 @@
     ./pve.nix
     ./alerttonotify.nix
     ./pyroscope.nix
+    ./alloy.nix
   ];
 }