resolv.conf solved!

files/prometheus/rules.yaml

@@ -0,0 +1,14 @@
+groups:
+  - name: node-exporter-rules
+    rules:
+  
+    # CPU count
+    - record: instance:node_cpus:count
+      expr: count(node_cpu_seconds_total{mode="idle"}) without (cpu,mode)
+
+  #взято отсюда
+  # https://stackoverflow.com/questions/52480567/count-alerts-fired-by-prometheus
+  - name: alerts
+    rules:
+    - record: ALERTS_FOR_STATE:firing
+      expr: ALERTS_FOR_STATE and ignoring(alertstate) ALERTS{alertstate="firing"}