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63 lines
2.0 KiB
Django/Jinja
63 lines
2.0 KiB
Django/Jinja
# {{ ansible_managed }}
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{# As this is also Jinja2 it will conflict without a raw block #}
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{# Depending of Prometheus Node exporter version, rules can change depending of version #}
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{% raw %}
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groups:
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- name: alert.rules
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rules:
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# Alert for any instance that is unreachable for >3 minutes.
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- alert: InstanceDown
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expr: up == 0
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for: 3m
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.instance }} est invisible depuis plus de 3 minutes !"
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# Alert for out of memory
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- alert: OutOfMemory
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expr: (node_memory_MemFree_bytes + node_memory_Cached_bytes + node_memory_Buffers_bytes) / node_memory_MemTotal_bytes * 100 < 10
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "Mémoire libre de {{ $labels.instance }} à {{ $value }}%."
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# Alert for out of disk space
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- alert: OutOfDiskSpace
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expr: node_filesystem_free_bytes{fstype="ext4"} / node_filesystem_size_bytes{fstype="ext4"} * 100 < 10
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "Espace libre de {{ $labels.mountpoint }} sur {{ $labels.instance }} à {{ $value }}%."
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# Alert for out of inode space on disk
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- alert: OutOfInodes
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expr: node_filesystem_files_free{fstype="ext4"} / node_filesystem_files{fstype="ext4"} * 100 < 10
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "Presque plus d'inodes disponibles ({{ $value }}% restant) dans {{ $labels.mountpoint }} sur {{ $labels.instance }}."
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# Alert for high CPU usage
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- alert: CpuUsage
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expr: (100 - avg by (instance) (irate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 75
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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: "CPU sur {{ $labels.instance }} à {{ $value }}%."
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# Check systemd unit (> buster)
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- alert: SystemdServiceFailed
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expr: node_systemd_unit_state{state="failed"} == 1
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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: "{{ $labels.name }} a échoué sur {{ $labels.instance }}"
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{% endraw %}
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