57 lines
1.9 KiB
YAML
57 lines
1.9 KiB
YAML
groups:
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- name: base-alerts
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rules:
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- alert: InstanceDown
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expr: up == 0
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.instance }} down"
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description: "{{ $labels.job }} on {{ $labels.instance }} is not responding"
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- alert: HighCPU
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expr: (1 - avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[5m]))) > 0.90
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for: 10m
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labels:
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severity: warning
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annotations:
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summary: "High CPU on {{ $labels.instance }}"
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description: "CPU usage > 90% for 10m"
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- alert: HighMemory
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expr: (1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes)) > 0.90
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for: 10m
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labels:
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severity: warning
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annotations:
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summary: "High memory on {{ $labels.instance }}"
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description: "Memory usage > 90% for 10m"
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- alert: DiskFull
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expr: (node_filesystem_avail_bytes{fstype!~"tmpfs|overlay"} / node_filesystem_size_bytes{fstype!~"tmpfs|overlay"}) < 0.10
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for: 15m
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labels:
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severity: warning
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annotations:
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summary: "Disk low on {{ $labels.instance }}"
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description: "<10% free on {{ $labels.mountpoint }}"
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- alert: DiskUsageHigh
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expr: (1 - (node_filesystem_avail_bytes{mountpoint="/",fstype!~"tmpfs|overlay"} / node_filesystem_size_bytes{mountpoint="/",fstype!~"tmpfs|overlay"})) > 0.85
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for: 15m
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labels:
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severity: warning
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annotations:
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summary: "Disk usage >85% on {{ $labels.instance }}"
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description: "Root filesystem usage above 85%"
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- alert: MemAvailableLow
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expr: (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) < 0.08
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for: 10m
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labels:
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severity: warning
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annotations:
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summary: "Low available memory on {{ $labels.instance }}"
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description: "MemAvailable < 8%"
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