add prometheus static labels fqdn

templates/config.alloy.erb

@@ -61,10 +61,21 @@ prometheus.exporter.unix "system_metrics" {
 
 prometheus.scrape "scrape_system" {
   targets    = prometheus.exporter.unix.system_metrics.targets
-  forward_to = [prometheus.remote_write.prometheus.receiver]
+  forward_to = [prometheus.process.metrics.receiver]
   scrape_interval = "15s"
 }
 
+prometheus.process "metrics" {
+
+  stage.static_labels {
+    values = {
+      fqdn = constants.hostname,
+      service = "prometheus",
+    }
+  }
+    forward_to = [prometheus.remote_write.prometheus.receiver]
+}
+
 prometheus.remote_write "prometheus" {
   endpoint {
     url = "<%= @ay_prom_url %>"