Added loki for logging to eko

nixosModules/eko-config.alloy

@@ -0,0 +1,19 @@
+local.file_match "eko_logs" {
+  path_targets = [
+    { __path__ = "/srv/eko/logs/eko-server-*.log" },
+  ]
+  sync_period = "3s"
+}
+
+loki.source.file "eko_tail" {
+  targets       = local.file_match.eko_logs.targets
+  forward_to    = [loki.write.eko.receiver]
+  tail_from_end = true
+}
+
+loki.write "eko" {
+  endpoint {
+    url = "http://localhost:3100/loki/api/v1/push"
+  }
+  external_labels = { app = "eko-server" }
+}

nixosModules/eko.nix

@@ -5,9 +5,6 @@
   };
 
   config = lib.mkIf config.eko.enable {
-    grafana.enable = true;
-    loki.enable = true;
-
     users.groups.eko = { };
     users.users.eko = {
       createHome = false;
@@ -67,5 +64,14 @@
       };
     };
 
+    # Enable metrics/logging
+    grafana.enable = true;
+    loki.enable = true;
+    services.alloy.enable = true;
+    environment.etc = {
+      "alloy/eko-config.alloy".text = builtins.readFile ./eko-config.alloy;
+    };
+
+
   };
 }