mirror of
https://github.com/ryan4yin/nix-config.git
synced 2026-01-11 22:30:25 +01:00
509 lines
22 KiB
YAML
509 lines
22 KiB
YAML
groups:
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- name: NodeExporter
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rules:
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- alert: HostOutOfMemory
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expr:
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'(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10) * on(instance)
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group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Node memory is filling up (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels
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}}"
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- alert: HostMemoryUnderMemoryPressure
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expr:
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'(rate(node_vmstat_pgmajfault[1m]) > 1000) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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 {{ $labels.instance }})
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description:
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"The node is under heavy memory pressure. High rate of major page faults\n VALUE = {{
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$value }}\n LABELS = {{ $labels }}"
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- alert: HostMemoryIsUnderutilized
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expr:
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'(100 - (avg_over_time(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes *
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100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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 underutilized (instance {{ $labels.instance }})
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description:
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"Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{
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$labels.instance }})\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualNetworkThroughputIn
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expr:
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'(sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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 {{ $labels.instance }})
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description:
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"Host network interfaces are probably receiving too much data (> 100 MB/s)\n VALUE = {{
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$value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualNetworkThroughputOut
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expr:
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'(sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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 {{ $labels.instance }})
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description:
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"Host network interfaces are probably sending too much data (> 100 MB/s)\n VALUE = {{
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$value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskReadRate
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expr:
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'(sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Disk is probably reading too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS =
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{{ $labels }}"
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- alert: HostUnusualDiskWriteRate
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expr:
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'(sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Disk is probably writing too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS =
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{{ $labels }}"
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- alert: HostOutOfDiskSpace
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expr:
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'((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance,
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device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Disk is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostDiskWillFillIn24Hours
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expr:
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'((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance,
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device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 *
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3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Filesystem is predicted to run out of space within the next 24 hours at current write
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rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostOutOfInodes
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expr:
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'(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"}
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* 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Disk is almost running out of available inodes (< 10% left)\n VALUE = {{ $value
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}}\n LABELS = {{ $labels }}"
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- alert: HostFilesystemDeviceError
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expr: "node_filesystem_device_error == 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 filesystem device error (instance {{ $labels.instance }})
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description:
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"{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }}
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filesystem\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostInodesWillFillIn24Hours
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expr:
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'(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"}
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* 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 *
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3600) < 0 and ON (instance, device, mountpoint)
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node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Filesystem is predicted to run out of inodes within the next 24 hours at current write
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rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskReadLatency
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expr:
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'(rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m])
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> 0.1 and rate(node_disk_reads_completed_total[1m]) > 0) * on(instance) group_left
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(nodename) node_uname_info{nodename=~".+"}'
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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:
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"Disk latency is growing (read operations > 100ms)\n VALUE = {{ $value }}\n LABELS =
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{{ $labels }}"
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- alert: HostUnusualDiskWriteLatency
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expr:
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'(rate(node_disk_write_time_seconds_total[1m]) /
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rate(node_disk_writes_completed_total[1m]) > 0.1 and
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rate(node_disk_writes_completed_total[1m]) > 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Disk latency is growing (write operations > 100ms)\n VALUE = {{ $value }}\n LABELS =
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{{ $labels }}"
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- alert: HostHighCpuLoad
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expr:
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'(sum by (instance) (avg by (mode, instance)
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(rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8) * on(instance) group_left
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(nodename) node_uname_info{nodename=~".+"}'
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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: 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:
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'(100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20) * on(instance)
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group_left (nodename) node_uname_info{nodename=~".+"}'
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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 underutilized (instance {{ $labels.instance }})
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description:
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"CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{
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$value }}\n LABELS = {{ $labels }}"
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- alert: HostCpuStealNoisyNeighbor
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expr:
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'(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may
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be out of credit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostCpuHighIowait
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expr:
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'(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 10) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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 {{ $labels.instance }})
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description:
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"CPU iowait > 10%. A high iowait means that you are disk or network bound.\n VALUE = {{
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$value }}\n LABELS = {{ $labels }}"
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- alert: HostUnusualDiskIo
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expr:
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'(rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Time spent in IO is too high on {{ $labels.instance }}. Check storage for
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issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostContextSwitching
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expr:
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'((rate(node_context_switches_total[5m])) / (count without(cpu, mode)
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(node_cpu_seconds_total{mode="idle"})) > 10000) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Context switching is growing on the node (> 10000 / CPU / s)\n VALUE = {{ $value
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}}\n LABELS = {{ $labels }}"
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- alert: HostSwapIsFillingUp
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expr:
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'((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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'(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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'((node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor)
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node_hwmon_sensor_label{label!="tctl"} > 75)) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Physical hardware component too hot\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostNodeOvertemperatureAlarm
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expr:
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'(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Physical node temperature alarm triggered\n VALUE = {{ $value }}\n LABELS = {{
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$labels }}"
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- alert: HostRaidArrayGotInactive
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expr:
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'(node_md_state{state="inactive"} > 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"RAID array {{ $labels.device }} is in a degraded state due to one or more disk
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failures. The number of spare drives is insufficient to fix the issue
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automatically.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostRaidDiskFailure
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expr:
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'(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"At least one device in RAID array on {{ $labels.instance }} failed. Array {{
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$labels.md_device }} needs attention and possibly a disk swap\n VALUE = {{ $value
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}}\n LABELS = {{ $labels }}"
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- alert: HostKernelVersionDeviations
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expr:
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'(count(sum(label_replace(node_uname_info, "kernel", "$1", "release",
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"([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Different kernel versions are running\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: HostOomKillDetected
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expr:
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'(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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'(increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left
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(nodename) node_uname_info{nodename=~".+"}'
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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:
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"Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} correctable memory
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errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{
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$labels }}"
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- alert: HostEdacUncorrectableErrorsDetected
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expr:
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'(node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory
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errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{
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$labels }}"
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- alert: HostNetworkReceiveErrors
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expr:
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'(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m])
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> 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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:
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"Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf
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\"%.0f\" $value }} receive errors in the last two minutes.\n VALUE = {{ $value
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}}\n LABELS = {{ $labels }}"
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- alert: HostNetworkTransmitErrors
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expr:
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'(rate(node_network_transmit_errs_total[2m]) /
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rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename)
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node_uname_info{nodename=~".+"}'
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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:
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"Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf
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\"%.0f\" $value }} transmit errors in the last two minutes.\n VALUE = {{ $value
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}}\n LABELS = {{ $labels }}"
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- alert: HostNetworkInterfaceSaturated
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expr:
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'((rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) +
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rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) /
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node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000) *
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on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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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 }})
|
|
description:
|
|
"The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting
|
|
overloaded.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
|
|
|
|
- alert: HostNetworkBondDegraded
|
|
expr:
|
|
'((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename)
|
|
node_uname_info{nodename=~".+"}'
|
|
for: 2m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
summary: Host Network Bond Degraded (instance {{ $labels.instance }})
|
|
description:
|
|
"Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n VALUE = {{
|
|
$value }}\n LABELS = {{ $labels }}"
|
|
|
|
- alert: HostConntrackLimit
|
|
expr:
|
|
'(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance)
|
|
group_left (nodename) node_uname_info{nodename=~".+"}'
|
|
for: 5m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
summary: Host conntrack limit (instance {{ $labels.instance }})
|
|
description:
|
|
"The number of conntrack is approaching limit\n VALUE = {{ $value }}\n LABELS = {{
|
|
$labels }}"
|
|
|
|
- alert: HostClockSkew
|
|
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)) *
|
|
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
|
|
for: 10m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
summary: Host clock skew (instance {{ $labels.instance }})
|
|
description:
|
|
"Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this
|
|
host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
|
|
|
|
- alert: HostClockNotSynchronising
|
|
expr:
|
|
'(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) *
|
|
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
|
|
for: 2m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
summary: Host clock not synchronising (instance {{ $labels.instance }})
|
|
description:
|
|
"Clock not synchronising. Ensure NTP is configured on this host.\n VALUE = {{ $value
|
|
}}\n LABELS = {{ $labels }}"
|
|
|
|
- alert: HostRequiresReboot
|
|
expr:
|
|
'(node_reboot_required > 0) * on(instance) group_left (nodename)
|
|
node_uname_info{nodename=~".+"}'
|
|
for: 4h
|
|
labels:
|
|
severity: info
|
|
annotations:
|
|
summary: Host requires reboot (instance {{ $labels.instance }})
|
|
description:
|
|
"{{ $labels.instance }} requires a reboot.\n VALUE = {{ $value }}\n LABELS = {{
|
|
$labels }}"
|