mirror of
https://github.com/prometheus-operator/kube-prometheus.git
synced 2025-08-27 09:21:56 +02:00
267 lines
11 KiB
YAML
267 lines
11 KiB
YAML
apiVersion: monitoring.coreos.com/v1
|
|
kind: PrometheusRule
|
|
metadata:
|
|
labels:
|
|
app.kubernetes.io/component: exporter
|
|
app.kubernetes.io/name: node-exporter
|
|
app.kubernetes.io/part-of: kube-prometheus
|
|
app.kubernetes.io/version: 1.1.0
|
|
prometheus: k8s
|
|
role: alert-rules
|
|
name: node-exporter-rules
|
|
namespace: monitoring
|
|
spec:
|
|
groups:
|
|
- name: node-exporter
|
|
rules:
|
|
- alert: NodeFilesystemSpaceFillingUp
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left and is filling up.
|
|
summary: Filesystem is predicted to run out of space within the next 24 hours.
|
|
expr: |
|
|
(
|
|
node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 40
|
|
and
|
|
predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!=""}[6h], 24*60*60) < 0
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeFilesystemSpaceFillingUp
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left and is filling up fast.
|
|
summary: Filesystem is predicted to run out of space within the next 4 hours.
|
|
expr: |
|
|
(
|
|
node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 15
|
|
and
|
|
predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!=""}[6h], 4*60*60) < 0
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: critical
|
|
- alert: NodeFilesystemAlmostOutOfSpace
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.
|
|
summary: Filesystem has less than 5% space left.
|
|
expr: |
|
|
(
|
|
node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 5
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeFilesystemAlmostOutOfSpace
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available space left.
|
|
summary: Filesystem has less than 3% space left.
|
|
expr: |
|
|
(
|
|
node_filesystem_avail_bytes{job="node-exporter",fstype!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!=""} * 100 < 3
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: critical
|
|
- alert: NodeFilesystemFilesFillingUp
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left and is filling up.
|
|
summary: Filesystem is predicted to run out of inodes within the next 24 hours.
|
|
expr: |
|
|
(
|
|
node_filesystem_files_free{job="node-exporter",fstype!=""} / node_filesystem_files{job="node-exporter",fstype!=""} * 100 < 40
|
|
and
|
|
predict_linear(node_filesystem_files_free{job="node-exporter",fstype!=""}[6h], 24*60*60) < 0
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeFilesystemFilesFillingUp
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left and is filling up fast.
|
|
summary: Filesystem is predicted to run out of inodes within the next 4 hours.
|
|
expr: |
|
|
(
|
|
node_filesystem_files_free{job="node-exporter",fstype!=""} / node_filesystem_files{job="node-exporter",fstype!=""} * 100 < 20
|
|
and
|
|
predict_linear(node_filesystem_files_free{job="node-exporter",fstype!=""}[6h], 4*60*60) < 0
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: critical
|
|
- alert: NodeFilesystemAlmostOutOfFiles
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left.
|
|
summary: Filesystem has less than 5% inodes left.
|
|
expr: |
|
|
(
|
|
node_filesystem_files_free{job="node-exporter",fstype!=""} / node_filesystem_files{job="node-exporter",fstype!=""} * 100 < 5
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeFilesystemAlmostOutOfFiles
|
|
annotations:
|
|
description: Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available inodes left.
|
|
summary: Filesystem has less than 3% inodes left.
|
|
expr: |
|
|
(
|
|
node_filesystem_files_free{job="node-exporter",fstype!=""} / node_filesystem_files{job="node-exporter",fstype!=""} * 100 < 3
|
|
and
|
|
node_filesystem_readonly{job="node-exporter",fstype!=""} == 0
|
|
)
|
|
for: 1h
|
|
labels:
|
|
severity: critical
|
|
- alert: NodeNetworkReceiveErrs
|
|
annotations:
|
|
description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes.'
|
|
summary: Network interface is reporting many receive errors.
|
|
expr: |
|
|
rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeNetworkTransmitErrs
|
|
annotations:
|
|
description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes.'
|
|
summary: Network interface is reporting many transmit errors.
|
|
expr: |
|
|
rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01
|
|
for: 1h
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeHighNumberConntrackEntriesUsed
|
|
annotations:
|
|
description: '{{ $value | humanizePercentage }} of conntrack entries are used.'
|
|
summary: Number of conntrack are getting close to the limit.
|
|
expr: |
|
|
(node_nf_conntrack_entries / node_nf_conntrack_entries_limit) > 0.75
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeTextFileCollectorScrapeError
|
|
annotations:
|
|
description: Node Exporter text file collector failed to scrape.
|
|
summary: Node Exporter text file collector failed to scrape.
|
|
expr: |
|
|
node_textfile_scrape_error{job="node-exporter"} == 1
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeClockSkewDetected
|
|
annotations:
|
|
message: Clock on {{ $labels.instance }} is out of sync by more than 300s. Ensure NTP is configured correctly on this host.
|
|
summary: Clock skew detected.
|
|
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: 10m
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeClockNotSynchronising
|
|
annotations:
|
|
message: Clock on {{ $labels.instance }} is not synchronising. Ensure NTP is configured on this host.
|
|
summary: Clock not synchronising.
|
|
expr: |
|
|
min_over_time(node_timex_sync_status[5m]) == 0
|
|
and
|
|
node_timex_maxerror_seconds >= 16
|
|
for: 10m
|
|
labels:
|
|
severity: warning
|
|
- alert: NodeRAIDDegraded
|
|
annotations:
|
|
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.
|
|
summary: RAID Array is degraded
|
|
expr: |
|
|
node_md_disks_required - ignoring (state) (node_md_disks{state="active"}) > 0
|
|
for: 15m
|
|
labels:
|
|
severity: critical
|
|
- alert: NodeRAIDDiskFailure
|
|
annotations:
|
|
description: At least one device in RAID array on {{ $labels.instance }} failed. Array '{{ $labels.device }}' needs attention and possibly a disk swap.
|
|
summary: Failed device in RAID array
|
|
expr: |
|
|
node_md_disks{state="fail"} > 0
|
|
labels:
|
|
severity: warning
|
|
- name: node-exporter.rules
|
|
rules:
|
|
- expr: |
|
|
count without (cpu) (
|
|
count without (mode) (
|
|
node_cpu_seconds_total{job="node-exporter"}
|
|
)
|
|
)
|
|
record: instance:node_num_cpu:sum
|
|
- expr: |
|
|
1 - avg without (cpu, mode) (
|
|
rate(node_cpu_seconds_total{job="node-exporter", mode="idle"}[1m])
|
|
)
|
|
record: instance:node_cpu_utilisation:rate1m
|
|
- expr: |
|
|
(
|
|
node_load1{job="node-exporter"}
|
|
/
|
|
instance:node_num_cpu:sum{job="node-exporter"}
|
|
)
|
|
record: instance:node_load1_per_cpu:ratio
|
|
- expr: |
|
|
1 - (
|
|
node_memory_MemAvailable_bytes{job="node-exporter"}
|
|
/
|
|
node_memory_MemTotal_bytes{job="node-exporter"}
|
|
)
|
|
record: instance:node_memory_utilisation:ratio
|
|
- expr: |
|
|
rate(node_vmstat_pgmajfault{job="node-exporter"}[1m])
|
|
record: instance:node_vmstat_pgmajfault:rate1m
|
|
- expr: |
|
|
rate(node_disk_io_time_seconds_total{job="node-exporter", device=~"mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|dasd.+"}[1m])
|
|
record: instance_device:node_disk_io_time_seconds:rate1m
|
|
- expr: |
|
|
rate(node_disk_io_time_weighted_seconds_total{job="node-exporter", device=~"mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|dasd.+"}[1m])
|
|
record: instance_device:node_disk_io_time_weighted_seconds:rate1m
|
|
- expr: |
|
|
sum without (device) (
|
|
rate(node_network_receive_bytes_total{job="node-exporter", device!="lo"}[1m])
|
|
)
|
|
record: instance:node_network_receive_bytes_excluding_lo:rate1m
|
|
- expr: |
|
|
sum without (device) (
|
|
rate(node_network_transmit_bytes_total{job="node-exporter", device!="lo"}[1m])
|
|
)
|
|
record: instance:node_network_transmit_bytes_excluding_lo:rate1m
|
|
- expr: |
|
|
sum without (device) (
|
|
rate(node_network_receive_drop_total{job="node-exporter", device!="lo"}[1m])
|
|
)
|
|
record: instance:node_network_receive_drop_excluding_lo:rate1m
|
|
- expr: |
|
|
sum without (device) (
|
|
rate(node_network_transmit_drop_total{job="node-exporter", device!="lo"}[1m])
|
|
)
|
|
record: instance:node_network_transmit_drop_excluding_lo:rate1m
|