220 lines
15 KiB
YAML
220 lines
15 KiB
YAML
apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: {{ printf "%s-%s" (include "kubezero-lib.fullname" $) "node-exporter" | trunc 63 | trimSuffix "-" }}
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "kubezero-lib.labels" . | nindent 4 }}
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spec:
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groups:
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- name: node-exporter
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rules:
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- alert: NodeFilesystemSpaceFillingUp
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available space left and is filling up.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemspacefillingup
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summary: Filesystem is predicted to run out of space within the next 24 hours.
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expr: "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 15\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: warning
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- alert: NodeFilesystemSpaceFillingUp
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available space left and is filling up fast.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemspacefillingup
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summary: Filesystem is predicted to run out of space within the next 4 hours.
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expr: "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 10\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: critical
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- alert: NodeFilesystemAlmostOutOfSpace
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available space left.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutofspace
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summary: Filesystem has less than 5% space left.
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expr: "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 30m
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labels:
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severity: warning
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- alert: NodeFilesystemAlmostOutOfSpace
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available space left.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutofspace
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summary: Filesystem has less than 3% space left.
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expr: "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 30m
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labels:
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severity: critical
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- alert: NodeFilesystemFilesFillingUp
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available inodes left and is filling up.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemfilesfillingup
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summary: Filesystem is predicted to run out of inodes within the next 24 hours.
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expr: "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_files{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 40\nand\n predict_linear(node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: warning
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- alert: NodeFilesystemFilesFillingUp
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available inodes left and is filling up fast.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemfilesfillingup
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summary: Filesystem is predicted to run out of inodes within the next 4 hours.
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expr: "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_files{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 20\nand\n predict_linear(node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: critical
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- alert: NodeFilesystemAlmostOutOfFiles
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available inodes left.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutoffiles
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summary: Filesystem has less than 5% inodes left.
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expr: "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_files{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: warning
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- alert: NodeFilesystemAlmostOutOfFiles
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annotations:
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description: Filesystem on {{`{{`}} $labels.device {{`}}`}} at {{`{{`}} $labels.instance {{`}}`}} has only {{`{{`}} printf "%.2f" $value {{`}}`}}% available inodes left.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutoffiles
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summary: Filesystem has less than 3% inodes left.
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expr: "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} / node_filesystem_files{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!=\"\",mountpoint!=\"\"} == 0\n)\n"
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for: 1h
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labels:
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severity: critical
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- alert: NodeNetworkReceiveErrs
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annotations:
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description: '{{`{{`}} $labels.instance {{`}}`}} interface {{`{{`}} $labels.device {{`}}`}} has encountered {{`{{`}} printf "%.0f" $value {{`}}`}} receive errors in the last two minutes.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodenetworkreceiveerrs
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summary: Network interface is reporting many receive errors.
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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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'
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for: 1h
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labels:
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severity: warning
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- alert: NodeNetworkTransmitErrs
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annotations:
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description: '{{`{{`}} $labels.instance {{`}}`}} interface {{`{{`}} $labels.device {{`}}`}} has encountered {{`{{`}} printf "%.0f" $value {{`}}`}} transmit errors in the last two minutes.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodenetworktransmiterrs
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summary: Network interface is reporting many transmit errors.
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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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'
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for: 1h
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labels:
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severity: warning
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- alert: NodeHighNumberConntrackEntriesUsed
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annotations:
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description: '{{`{{`}} $value | humanizePercentage {{`}}`}} of conntrack entries are used.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodehighnumberconntrackentriesused
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summary: Number of conntrack are getting close to the limit.
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expr: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit) > 0.75
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'
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labels:
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severity: warning
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- alert: NodeTextFileCollectorScrapeError
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annotations:
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description: Node Exporter text file collector failed to scrape.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodetextfilecollectorscrapeerror
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summary: Node Exporter text file collector failed to scrape.
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expr: 'node_textfile_scrape_error{job="node-exporter"} == 1
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'
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labels:
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severity: warning
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- alert: NodeClockSkewDetected
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annotations:
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description: Clock on {{`{{`}} $labels.instance {{`}}`}} is out of sync by more than 0.05s. Ensure NTP is configured correctly on this host.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodeclockskewdetected
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summary: Clock skew detected.
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expr: "(\n node_timex_offset_seconds{job=\"node-exporter\"} > 0.05\nand\n deriv(node_timex_offset_seconds{job=\"node-exporter\"}[5m]) >= 0\n)\nor\n(\n node_timex_offset_seconds{job=\"node-exporter\"} < -0.05\nand\n deriv(node_timex_offset_seconds{job=\"node-exporter\"}[5m]) <= 0\n)\n"
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for: 10m
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labels:
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severity: warning
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- alert: NodeClockNotSynchronising
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annotations:
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description: Clock on {{`{{`}} $labels.instance {{`}}`}} is not synchronising. Ensure NTP is configured on this host.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodeclocknotsynchronising
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summary: Clock not synchronising.
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expr: 'min_over_time(node_timex_sync_status{job="node-exporter"}[5m]) == 0
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and
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node_timex_maxerror_seconds{job="node-exporter"} >= 16
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'
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for: 10m
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labels:
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severity: warning
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- alert: NodeRAIDDegraded
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annotations:
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description: RAID array '{{`{{`}} $labels.device {{`}}`}}' on {{`{{`}} $labels.instance {{`}}`}} is in degraded state due to one or more disks failures. Number of spare drives is insufficient to fix issue automatically.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/noderaiddegraded
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summary: RAID Array is degraded
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expr: 'node_md_disks_required{job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"} - ignoring (state) (node_md_disks{state="active",job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}) > 0
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'
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for: 15m
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labels:
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severity: critical
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- alert: NodeRAIDDiskFailure
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annotations:
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description: At least one device in RAID array on {{`{{`}} $labels.instance {{`}}`}} failed. Array '{{`{{`}} $labels.device {{`}}`}}' needs attention and possibly a disk swap.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/noderaiddiskfailure
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summary: Failed device in RAID array
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expr: 'node_md_disks{state="failed",job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"} > 0
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'
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labels:
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severity: warning
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- alert: NodeFileDescriptorLimit
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annotations:
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description: File descriptors limit at {{`{{`}} $labels.instance {{`}}`}} is currently at {{`{{`}} printf "%.2f" $value {{`}}`}}%.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefiledescriptorlimit
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summary: Kernel is predicted to exhaust file descriptors limit soon.
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expr: "(\n node_filefd_allocated{job=\"node-exporter\"} * 100 / node_filefd_maximum{job=\"node-exporter\"} > 70\n)\n"
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for: 15m
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labels:
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severity: warning
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- alert: NodeFileDescriptorLimit
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annotations:
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description: File descriptors limit at {{`{{`}} $labels.instance {{`}}`}} is currently at {{`{{`}} printf "%.2f" $value {{`}}`}}%.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefiledescriptorlimit
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summary: Kernel is predicted to exhaust file descriptors limit soon.
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expr: "(\n node_filefd_allocated{job=\"node-exporter\"} * 100 / node_filefd_maximum{job=\"node-exporter\"} > 90\n)\n"
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for: 15m
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labels:
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severity: critical
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- name: node-exporter.rules
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rules:
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- expr: "count without (cpu, mode) (\n node_cpu_seconds_total{job=\"node-exporter\",mode=\"idle\"}\n)\n"
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record: instance:node_num_cpu:sum
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- expr: "1 - avg without (cpu) (\n sum without (mode) (rate(node_cpu_seconds_total{job=\"node-exporter\", mode=~\"idle|iowait|steal\"}[5m]))\n)\n"
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record: instance:node_cpu_utilisation:rate5m
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- expr: "(\n node_load1{job=\"node-exporter\"}\n/\n instance:node_num_cpu:sum{job=\"node-exporter\"}\n)\n"
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record: instance:node_load1_per_cpu:ratio
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- expr: "1 - (\n (\n node_memory_MemAvailable_bytes{job=\"node-exporter\"}\n or\n (\n node_memory_Buffers_bytes{job=\"node-exporter\"}\n +\n node_memory_Cached_bytes{job=\"node-exporter\"}\n +\n node_memory_MemFree_bytes{job=\"node-exporter\"}\n +\n node_memory_Slab_bytes{job=\"node-exporter\"}\n )\n )\n/\n node_memory_MemTotal_bytes{job=\"node-exporter\"}\n)\n"
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record: instance:node_memory_utilisation:ratio
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- expr: 'rate(node_vmstat_pgmajfault{job="node-exporter"}[5m])
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'
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record: instance:node_vmstat_pgmajfault:rate5m
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- expr: 'rate(node_disk_io_time_seconds_total{job="node-exporter", device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}[5m])
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'
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record: instance_device:node_disk_io_time_seconds:rate5m
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- expr: 'rate(node_disk_io_time_weighted_seconds_total{job="node-exporter", device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}[5m])
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'
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record: instance_device:node_disk_io_time_weighted_seconds:rate5m
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- expr: "sum without (device) (\n rate(node_network_receive_bytes_total{job=\"node-exporter\", device!=\"lo\"}[5m])\n)\n"
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record: instance:node_network_receive_bytes_excluding_lo:rate5m
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- expr: "sum without (device) (\n rate(node_network_transmit_bytes_total{job=\"node-exporter\", device!=\"lo\"}[5m])\n)\n"
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record: instance:node_network_transmit_bytes_excluding_lo:rate5m
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- expr: "sum without (device) (\n rate(node_network_receive_drop_total{job=\"node-exporter\", device!=\"lo\"}[5m])\n)\n"
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record: instance:node_network_receive_drop_excluding_lo:rate5m
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- expr: "sum without (device) (\n rate(node_network_transmit_drop_total{job=\"node-exporter\", device!=\"lo\"}[5m])\n)\n"
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record: instance:node_network_transmit_drop_excluding_lo:rate5m
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