2024-05-06 14:02:49 +02:00

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groups:
- name: example
rules:
- name: targets
rules:
- alert: monitor_service_down
expr: up == 0
for: 30s
labels:
severity: critical
annotations:
summary: "Monitor service non-operational"
description: "Service {{ $labels.instance }} is down."
- name: host
rules:
- alert: high_cpu_load
expr: node_load1 > 1.5
for: 30s
labels:
severity: warning
annotations:
summary: "Server under high load"
description: "Docker host is under high load, the avg load 1m is at {{ $value}}. Reported by instance {{ $labels.instance }} of job {{ $labels.job }}."
- alert: high_memory_load
expr: (sum(node_memory_MemTotal_bytes) - sum(node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes) ) / sum(node_memory_MemTotal_bytes) * 100 > 85
for: 30s
labels:
severity: warning
annotations:
summary: "Server memory is almost full"
description: "Docker host memory usage is {{ humanize $value}}%. Reported by instance {{ $labels.instance }} of job {{ $labels.job }}."
- alert: high_storage_load
expr: (node_filesystem_size_bytes{fstype="aufs"} - node_filesystem_free_bytes{fstype="aufs"}) / node_filesystem_size_bytes{fstype="aufs"} * 100 > 85
for: 30s
labels:
severity: warning
annotations:
summary: "Server storage is almost full"
description: "Docker host storage usage is {{ humanize $value}}%. Reported by instance {{ $labels.instance }} of job {{ $labels.job }}."
- name: containers
rules:
- alert: jenkins_down
expr: absent(container_memory_usage_bytes{name="jenkins"})
for: 30s
labels:
severity: critical
annotations:
summary: "Jenkins down"
description: "Jenkins container is down for more than 30 seconds."
# Alert for any instance that is unreachable for >2 minutes.
- alert: service_down
expr: up == 0
for: 2m
labels:
severity: page
annotations:
summary: "Instance {{ $labels.instance }} down"
description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 2 minutes."
- alert: high_load
expr: node_load1 > 0.5
for: 2m
labels:
severity: page
annotations:
summary: "Instance {{ $labels.instance }} under high load"
description: "{{ $labels.instance }} of job {{ $labels.job }} is under high load."