Added load alert for OSS

roles/prom_server/templates/etc/alerting.rules

@@ -169,6 +169,22 @@ groups:
     annotations:
       description: '{{ $labels.instance }}: Has high load.'
       summary: '{{ $labels.instance }} has high load.'
+  - alert: LoadOSS
+    expr: 100*(1-avg(rate(node_cpu_seconds_total{instance="pg-oss01.hpc.local:9100",job="node",mode="idle"}[5m]))) > 75
+    for: 10m
+    labels:
+      severity: page
+    annotations:
+      description: '{{ $labels.instance }}: Has high load.'
+      summary: '{{ $labels.instance }} has high load.'
+  - alert: LoadOSS
+    expr: 100*(1-avg(rate(node_cpu_seconds_total{instance="pg-oss02.hpc.local:9100",job="node",mode="idle"}[5m]))) > 75
+    for: 10m
+    labels:
+      severity: page
+    annotations:
+      description: '{{ $labels.instance }}: Has high load.'
+      summary: '{{ $labels.instance }} has high load.'
   - alert: HighMemUsage
     # Less than one gibibyte free
     expr: node_memory_MemAvailable_bytes{env="pg-interactive"} < 2^30