add alert to monitor free memory on nodes [ci skip]

2023-03-26 17:22:04 +01:00 · 2023-03-26 17:22:04 +01:00 · 86df04d96f
commit 86df04d96f
parent ea40e5c21c
1 changed files with 9 additions and 0 deletions
--- a/modules/kubernetes/monitoring/prometheus_chart_values.tpl
+++ b/modules/kubernetes/monitoring/prometheus_chart_values.tpl
@ -112,6 +112,15 @@ serverFiles:
            severity: page
          annotations:
            summary: "High CPU usage on node. Node load: {{ $value }}"
+      - name: NodeLowFreeMemory
+        rules:
+        - alert: NodeLowFreeMemory
+          expr: node_memory_MemAvailable_bytes < 500000000
+          for: 10m
+          labels:
+            severity: page
+          annotations:
+            summary: "Low free memory on node. Node load: {{ $value }}"
      # - name: PodStuckNotReady
      #   rules:
      #   - alert: PodStuckNotReady