cluster/services/monitoring: make Prometheus accessible in host mesh

cluster/services/monitoring/default.nix

@@ -16,6 +16,10 @@ in
       protocol = "http";
       ipv4 = meshIpFor "logging";
     };
+    prometheus-ingest = {
+      protocol = "http";
+      ipv4 = meshIpFor "server";
+    };
   };
   services.monitoring = {
     nodes = {

cluster/services/monitoring/server.nix

@@ -4,7 +4,7 @@ let
 
   inherit (config) links;
 
-  inherit (cluster.config.links) loki-ingest;
+  inherit (cluster.config.links) loki-ingest prometheus-ingest;
 
   iniList = lib.concatStringsSep " ";
 
@@ -21,7 +21,6 @@ in
 
   links = {
     grafana.protocol = "http";
-    prometheus.protocol = "http";
   };
   services.grafana = {
     enable = true;
@@ -66,7 +65,7 @@ in
         {
           name = "Prometheus";
           uid = "PBFA97CFB590B2093";
-          inherit (links.prometheus) url;
+          inherit (prometheus-ingest) url;
           type = "prometheus";
           isDefault = true;
         }
@@ -90,8 +89,8 @@ in
 
   services.prometheus = {
     enable = true;
-    listenAddress = links.prometheus.ipv4;
-    inherit (links.prometheus) port;
+    listenAddress = prometheus-ingest.ipv4;
+    inherit (prometheus-ingest) port;
     extraFlags = [ "--enable-feature=remote-write-receiver" ];
     globalConfig = {
       scrape_interval = "60s";

cluster/services/monitoring/tracing.nix

@@ -1,7 +1,8 @@
-{ config, pkgs, ... }:
+{ cluster, config, pkgs, ... }:
 
 let
   inherit (config) links;
+  inherit (cluster.config.links) prometheus-ingest;
   dataDir = "/srv/storage/private/tempo";
   tempoConfig = {
     server = {
@@ -47,7 +48,7 @@ let
         path = "${dataDir}/generator/wal";
         remote_write = [
           {
-            url = "${links.prometheus.url}/api/v1/write";
+            url = "${prometheus-ingest.url}/api/v1/write";
             send_exemplars = true;
           }
         ];