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Diffstat (limited to 'modules/monitoring/rules/node.yaml')
| -rw-r--r-- | modules/monitoring/rules/node.yaml | 537 |
1 files changed, 537 insertions, 0 deletions
diff --git a/modules/monitoring/rules/node.yaml b/modules/monitoring/rules/node.yaml new file mode 100644 index 0000000..a9b6b79 --- /dev/null +++ b/modules/monitoring/rules/node.yaml @@ -0,0 +1,537 @@ +--- +groups: + - name: Node + + rules: + - alert: HostOutOfMemory + expr: >- + node_memory_MemAvailable_bytes + / + node_memory_MemTotal_bytes * 100 + < 10 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of memory at {{ $labels.instance }}. + description: |- + Node memory is filling up. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostMemoryUnderMemoryPressure + expr: >- + rate(node_vmstat_pgmajfault[1m]) > 1000 + for: 2m + labels: + severity: warning + annotations: + summary: Host memory under memory pressure at {{ $labels.instance }}. + description: |- + The node is under heavy memory pressure. High rate of major page faults. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualNetworkThroughputIn + expr: >- + sum by (instance) (rate(node_network_receive_bytes_total[2m])) + / 1024 + / 1024 + > 100 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual network throughput in (instance {{ $labels.instance }}) + description: |- + Host network interfaces are probably receiving too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualNetworkThroughputOut + expr: >- + sum by (instance) (rate(node_network_transmit_bytes_total[2m])) + / 1024 + / 1024 + > 100 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual network throughput out at {{ $labels.instance }}. + description: |- + Host network interfaces are probably sending too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskReadRate + expr: >- + sum by (instance) (rate(node_disk_read_bytes_total[2m])) + / 1024 + / 1024 + > 50 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual disk read rate at {{ $labels.instance }}. + description: |- + Disk is probably reading too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskWriteRate + expr: >- + sum by (instance) (rate(node_disk_written_bytes_total[2m])) + / 1024 + / 1024 + > 50 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk write rate at {{ $labels.instance }}. + description: |- + Disk is probably writing too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOutOfDiskSpace + expr: >- + (node_filesystem_avail_bytes * 100) + / node_filesystem_size_bytes + < 10 + and + on (instance, device, mountpoint) node_filesystem_readonly + == 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of disk space at {{ $labels.instance }}. + description: |- + Disk is almost full. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostDiskWillFillIn24Hours + 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host disk will fill in 24 hours at {{ $labels.instance }}. + description: |- + Filesystem is predicted to run out of space within the next 24 hours at current write rate. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOutOfInodes + expr: >- + node_filesystem_files_free + / node_filesystem_files * 100 + < 10 + and + ON (instance, device, mountpoint) node_filesystem_readonly + == 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of inodes at {{ $labels.instance }}. + description: |- + Disk is almost running out of available inodes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostInodesWillFillIn24Hours + 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host inodes will fill in 24 hours at {{ $labels.instance }}. + description: |- + Filesystem is predicted to run out of inodes within the next 24 hours at current write rate. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskReadLatency + 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk read latency at {{ $labels.instance }}. + description: |- + Disk latency is growing. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskWriteLatency + 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk write latency at {{ $labels.instance }}. + description: |- + Disk latency is growing. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostHighCpuLoad + expr: >- + sum by (instance) + (avg by (mode, instance) + (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) + > 2.0 + for: 0m + labels: + severity: warning + annotations: + summary: Host high CPU load at {{ $labels.instance }}. + description: |- + CPU load is high. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostCpuHighIowait + expr: |- + avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) + * 100 + > 50 + for: 0m + labels: + severity: warning + annotations: + summary: Host CPU high I/O wait at {{ $labels.instance }}. + description: |- + CPU I/O wait is high. A high I/O wait means that you are disk or network bound. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskIo + expr: >- + rate(node_disk_io_time_seconds_total[1m]) > 0.5 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual disk I/O at {{ $labels.instance }}. + description: |- + Time spent over I/O is too high. Check storage for issues. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostSwapIsFillingUp + expr: >- + (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) + * 100 + > 80 + for: 2m + labels: + severity: warning + annotations: + summary: Host swap is filling up at {{ $labels.instance }}. + description: |- + Swap is filling up. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostSystemdServiceCrashed + expr: >- + node_systemd_unit_state{state="failed"} == 1 + for: 0m + labels: + severity: warning + annotations: + summary: Host systemd service crashed at {{ $labels.instance }}. + description: |- + Systemd service crashed. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostPhysicalComponentTooHot + expr: >- + node_hwmon_temp_celsius > 75 + for: 5m + labels: + severity: warning + annotations: + summary: Host physical component too hot at {{ $labels.instance }}. + description: |- + Physical hardware component too hot. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNodeOvertemperatureAlarm + expr: >- + node_hwmon_temp_crit_alarm_celsius == 1 + for: 0m + labels: + severity: critical + annotations: + summary: Host node overtemperature alarm at {{ $labels.instance }}. + description: |- + Physical node temperature alarm triggered. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRaidArrayGotInactive + expr: >- + node_md_state{state="inactive"} > 0 + for: 0m + labels: + severity: critical + annotations: + summary: Host RAID array got inactive at {{ $labels.instance }}. + description: |- + RAID array is in a degraded state due to one or more disks failures. Number of spare drives is insufficient to fix the issue automatically. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRaidDiskFailure + expr: >- + node_md_disks{state="failed"} > 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host RAID disk failure at {{ $labels.instance }}. + description: |- + At least one device in RAID array is failed. Possibly, a disk swap is required. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOomKillDetected + expr: >- + increase(node_vmstat_oom_kill[1m]) > 0 + for: 0m + labels: + severity: warning + annotations: + summary: Host OOM kill detected at {{ $labels.instance }}. + description: |- + OOM kill detected. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostEdacCorrectableErrorsDetected + expr: >- + increase(node_edac_correctable_errors_total[1m]) > 0 + for: 0m + labels: + severity: info + annotations: + summary: Host EDAC correctable errors detected at {{ $labels.instance }}. + description: |- + Host has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostEdacUncorrectableErrorsDetected + expr: >- + node_edac_uncorrectable_errors_total > 0 + for: 0m + labels: + severity: warning + annotations: + summary: Host EDAC uncorrectable errors detected at {{ $labels.instance }}. + description: |- + Host has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkReceiveErrors + expr: >- + rate(node_network_receive_errs_total{device!~"^wg.*"}[2m]) + / + rate(node_network_receive_packets_total{device!~"^wg.*"}[2m]) + > 0.01 + for: 2m + labels: + severity: warning + annotations: + summary: Host Network Receive Errors at {{ $labels.instance }}. + description: |- + Host interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkTransmitErrors + expr: >- + rate(node_network_transmit_errs_total{device!~"^wg.*"}[2m]) + / + rate(node_network_transmit_packets_total{device!~"^wg.*"}[2m]) + > 0.1 + for: 2m + labels: + severity: warning + annotations: + summary: Host network transmit errors at {{ $labels.instance }}. + description: |- + Host interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkInterfaceSaturated + expr: >- + ( + rate(node_network_receive_bytes_total{device!~"^wg.*"}[1m]) + + + rate(node_network_transmit_bytes_total{device!~"^wg.*"}[1m]) + ) + / node_network_speed_bytes{device!~"^wg.*"} + > 0.8 + < 10000 + for: 1m + labels: + severity: warning + annotations: + summary: Host network interface saturated at {{ $labels.instance }}. + description: |- + The network interface {{ $labels.device }} is getting overloaded. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkBondDegraded + expr: >- + (node_bonding_active - node_bonding_slaves) != 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host network bond degraded at {{ $labels.instance }}. + description: |- + Bond {{ $labels.device }} degraded. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostConntrackLimit + expr: >- + node_nf_conntrack_entries + / + node_nf_conntrack_entries_limit + > 0.8 + for: 5m + labels: + severity: warning + annotations: + summary: Host conntrack limit at {{ $labels.instance }}. + description: |- + The number of conntrack is approaching limit. + + VALUE = {{ $value }} + 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 + ) + for: 2m + labels: + severity: warning + annotations: + summary: Host clock skew at {{ $labels.instance }}. + description: |- + Clock skew is detected and the clock is out of sync. Ensure that NTP is configured correctly on this host. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostClockNotSynchronising + expr: >- + min_over_time(node_timex_sync_status[1m]) == 0 + and + node_timex_maxerror_seconds >= 16 + for: 2m + labels: + severity: warning + annotations: + summary: Host clock not synchronising at {{ $labels.instance }}. + description: |- + Clock is not synchronising. Ensure that NTP is configured correctly on this host. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRequiresReboot + expr: >- + node_reboot_required > 0 + for: 4h + labels: + severity: info + annotations: + summary: Host requires reboot at {{ $labels.instance }}. + description: |- + Instance requires a reboot. + + VALUE = {{ $value }} + LABELS = {{ $labels }} |