41 lines
1.4 KiB
YAML
41 lines
1.4 KiB
YAML
groups:
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- name: instance-health
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rules:
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- alert: InstanceDown
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expr: up == 0
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for: 5m
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labels:
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severity: critical
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annotations:
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summary: "Instance {{ $labels.instance }} down"
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description: "{{ $labels.job }} on {{ $labels.instance }} has been down for more than 5 minutes."
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- name: host-health
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rules:
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- alert: HighCPULoad
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expr: avg(rate(node_cpu_seconds_total{mode!="idle"}[5m])) by (instance) > 0.85
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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 load on {{ $labels.instance }}"
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description: "Average CPU usage > 85% for 10m."
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- alert: HighMemoryUsage
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expr: (node_memory_MemTotal_bytes - node_memory_MemAvailable_bytes) / node_memory_MemTotal_bytes > 0.9
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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 usage on {{ $labels.instance }}"
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description: "Memory usage > 90% for 10m."
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- alert: DiskSpaceLow
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expr: (node_filesystem_size_bytes{fstype!~"tmpfs|overlay"} - node_filesystem_free_bytes{fstype!~"tmpfs|overlay"}) / node_filesystem_size_bytes{fstype!~"tmpfs|overlay"} > 0.85
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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: "Disk getting full on {{ $labels.instance }}"
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description: "Disk usage > 85% on {{ $labels.mountpoint }}."
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