304 lines
16 KiB
YAML
304 lines
16 KiB
YAML
# {% raw %}
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groups:
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- name: NodeExporter
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rules:
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- alert: HostOutOfMemory
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expr: 'node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of memory (instance {{ $labels.instance }})
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description: "Node memory is filling up (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostMemoryUnderMemoryPressure
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expr: 'rate(node_vmstat_pgmajfault[1m]) > 1000'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host memory under memory pressure (instance {{ $labels.instance }})
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description: "The node is under heavy memory pressure. High rate of major page faults\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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# - alert: HostMemoryIsUnderUtilized
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# expr: '100 - (rate(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes * 100) < 20'
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# for: 1w
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# labels:
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# severity: info
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# annotations:
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# summary: Host Memory is under utilized (instance {{ $labels.instance }})
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# description: "Node memory is < 20% for 1 week. Consider reducing memory space.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualNetworkThroughputIn
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expr: 'sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100'
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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: Host unusual network throughput in (instance {{ $labels.instance }})
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description: "Host network interfaces are probably receiving too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualNetworkThroughputOut
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expr: 'sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100'
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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: Host unusual network throughput out (instance {{ $labels.instance }})
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description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskReadRate
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expr: 'sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50'
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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: Host unusual disk read rate (instance {{ $labels.instance }})
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description: "Disk is probably reading too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskWriteRate
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expr: 'sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk write rate (instance {{ $labels.instance }})
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description: "Disk is probably writing too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostOutOfDiskSpace
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expr: '(node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of disk space (instance {{ $labels.instance }})
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description: "Disk is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostDiskWillFillIn24Hours
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expr: '(node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
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description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostOutOfInodes
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expr: 'node_filesystem_files_free / node_filesystem_files * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host out of inodes (instance {{ $labels.instance }})
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description: "Disk is almost running out of available inodes (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostInodesWillFillIn24Hours
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expr: 'node_filesystem_files_free / node_filesystem_files * 100 < 10 and predict_linear(node_filesystem_files_free[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
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description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskReadLatency
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expr: 'rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk read latency (instance {{ $labels.instance }})
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description: "Disk latency is growing (read operations > 100ms)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskWriteLatency
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expr: 'rate(node_disk_write_time_seconds_total[1m]) / rate(node_disk_writes_completed_total[1m]) > 0.1 and rate(node_disk_writes_completed_total[1m]) > 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host unusual disk write latency (instance {{ $labels.instance }})
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description: "Disk latency is growing (write operations > 100ms)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostHighCpuLoad
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expr: '(100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100)) > 80'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host high CPU load (instance {{ $labels.instance }})
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description: "CPU load is > 80%\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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# - alert: HostCpuIsUnderUtilized
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# expr: '100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20'
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# for: 1w
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# labels:
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# severity: info
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# annotations:
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# summary: Host CPU is under utilized (instance {{ $labels.instance }})
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# description: "CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostCpuStealNoisyNeighbor
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expr: 'avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10'
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
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description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostCpuHighIowait
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expr: 'avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 15'
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host CPU high iowait (instance {{ $labels.instance }})
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description: "CPU iowait > 15%. A high iowait means that you are disk or network bound.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskIo
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expr: 'rate(node_disk_io_time_seconds_total[1m]) > 0.5'
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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: Host unusual disk IO (instance {{ $labels.instance }})
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description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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# - alert: HostContextSwitching
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# expr: '(rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 1000'
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# for: 0m
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# labels:
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# severity: warning
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# annotations:
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# summary: Host context switching (instance {{ $labels.instance }})
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# description: "Context switching is growing on node (> 1000 / s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostSwapIsFillingUp
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expr: '(1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host swap is filling up (instance {{ $labels.instance }})
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description: "Swap is filling up (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostSystemdServiceCrashed
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expr: 'node_systemd_unit_state{state="failed"} == 1'
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host systemd service crashed (instance {{ $labels.instance }})
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description: "systemd service crashed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostPhysicalComponentTooHot
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expr: 'node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75'
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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: Host physical component too hot (instance {{ $labels.instance }})
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description: "Physical hardware component too hot\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNodeOvertemperatureAlarm
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expr: 'node_hwmon_temp_crit_alarm_celsius == 1'
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Host node overtemperature alarm (instance {{ $labels.instance }})
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description: "Physical node temperature alarm triggered\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostRaidArrayGotInactive
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expr: 'node_md_state{state="inactive"} > 0'
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Host RAID array got inactive (instance {{ $labels.instance }})
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description: "RAID array {{ $labels.device }} is in degraded state due to one or more disks failures. Number of spare drives is insufficient to fix issue automatically.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostRaidDiskFailure
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expr: 'node_md_disks{state="failed"} > 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host RAID disk failure (instance {{ $labels.instance }})
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description: "At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostKernelVersionDeviations
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expr: 'count(sum(label_replace(node_uname_info, "kernel", "$1", "release", "([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1'
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for: 6h
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labels:
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severity: warning
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annotations:
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summary: Host kernel version deviations (instance {{ $labels.instance }})
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description: "Different kernel versions are running\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostOomKillDetected
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expr: 'increase(node_vmstat_oom_kill[1m]) > 0'
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host OOM kill detected (instance {{ $labels.instance }})
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description: "OOM kill detected\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostEdacCorrectableErrorsDetected
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expr: 'increase(node_edac_correctable_errors_total[1m]) > 0'
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for: 0m
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labels:
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severity: info
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annotations:
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summary: Host EDAC Correctable Errors detected (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} correctable memory errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostEdacUncorrectableErrorsDetected
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expr: 'node_edac_uncorrectable_errors_total > 0'
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkReceiveErrors
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expr: 'rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Receive Errors (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkTransmitErrors
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expr: 'rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Transmit Errors (instance {{ $labels.instance }})
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description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} transmit errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkInterfaceSaturated
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expr: '(rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000'
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for: 1m
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labels:
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severity: warning
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annotations:
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summary: Host Network Interface Saturated (instance {{ $labels.instance }})
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description: "The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting overloaded.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNetworkBondDegraded
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expr: '(node_bonding_active - node_bonding_slaves) != 0'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host Network Bond Degraded (instance {{ $labels.instance }})
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description: "Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostConntrackLimit
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expr: 'node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8'
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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: Host conntrack limit (instance {{ $labels.instance }})
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description: "The number of conntrack is approaching limit\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostClockSkew
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expr: '(node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host clock skew (instance {{ $labels.instance }})
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description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostClockNotSynchronising
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expr: 'min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: Host clock not synchronising (instance {{ $labels.instance }})
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description: "Clock not synchronising. Ensure NTP is configured on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostRequiresReboot
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expr: 'node_reboot_required > 0'
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for: 4h
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labels:
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severity: info
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annotations:
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summary: Host requires reboot (instance {{ $labels.instance }})
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description: "{{ $labels.instance }} requires a reboot.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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# {% endraw %}
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