Move to HA for gateway

prometheus/alert.rules

@@ -2,7 +2,7 @@ ALERT service_down
   IF up == 0
 
 ALERT APIHighInvocationRate
-  IF rate ( gateway_function_invocation_total [10s] ) > 5
+  IF sum ( rate(gateway_function_invocation_total{code="200"}[10s]) ) by (function_name) > 5 
   FOR 5s
   LABELS {
     service = "gateway",
@@ -13,3 +13,4 @@ ALERT APIHighInvocationRate
     summary = "High invocation total on {{ $labels.instance }}",
     description =  "High invocation total on {{ $labels.instance }}"
   } 
+

prometheus/prometheus.yml

@@ -30,5 +30,11 @@ scrape_configs:
 
   - job_name: "gateway"
     scrape_interval: 5s
-    static_configs:
-      - targets: ['gateway:8080']
+    dns_sd_configs:
+      - names: ['tasks.gateway']
+        port: 8080
+        type: A
+        refresh_interval: 5s
+
+
+