System Alerts

Disk Full Alert

Use the following commands to configure alerts related to disk full alert.

alerts rules group 
   rule node-disk-running-full 
   expression node_filesystem_usage > 0.0001 
   duration 5m 
   severity critical 
   type Processing Error Alarm 
   annotation disk_full 
   value test 
   exit 
exit 

VM Down Alert

Use the following commands to configure alerts related to virtual machine down alert.

alerts rules group vm-state-change 
   rule vm-down 
   expression up{pod=~\"node-expo.*\"} == 0 
   duration 1m 
   severity major 
   type Equipment Alarm 
   annotation summary 
   value VM Down 
   exit 
exit 

High Memory Usage

Use the following commands to configure alerts related to high memory usage.

alerts rules group memory-util-high 
   rule mem-util-high 
   expression avg(node_memory_MemAvailable_bytes /node_memory_MemTotal_bytes * 100) by (hostname) < 20 
   duration 1m 
   severity critical 
   type Processing Error Alarm 
   annotation mem_util_high 
   value Hig Memory Usage 
   exit 
exit 

High Disk Usage

Use the following commands to configure alerts related to high disk usage alert.

alerts rules group disk-util-high 
   duration 1m 
   rule disk-util-high 
   expression avg (node_filesystem_avail_bytes{mountpoint =\"/\"} /node_filesystem_size_bytes{mountpoint =\"/\"} *100) by (hostname) <20 
   severity critical 
   type Processing Error Alarm 
   annotation description 
   value Hig Memory Usage 
   exit 
exit 

High CPU Usage

Use the following commands to configure alerts related to high CPU usage alert.

alerts rules group cpu-util-high 
   rule cpu-util-idle 
   duration 1m 
   expression avg(rate(node_cpu_seconds_total{mode='idle'}[1m])) by (hostname) *100 < 50 
   severity critical 
   type Processing Error Alarm 
   annotation description 
   value Hig CPU 
   exit 
exit