Files
kube-prometheus/assets/prometheus/rules/general.rules.yaml
2017-11-21 16:43:28 +01:00

40 lines
1.3 KiB
YAML

groups:
- name: general.rules
rules:
- alert: TargetDown
expr: 100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10
for: 10m
labels:
severity: warning
annotations:
description: '{{ $value }}% of {{ $labels.job }} targets are down.'
summary: Targets are down
- alert: DeadMansSwitch
expr: vector(1)
labels:
severity: none
annotations:
description: This is a DeadMansSwitch meant to ensure that the entire Alerting
pipeline is functional.
summary: Alerting DeadMansSwitch
- record: fd_utilization
expr: process_open_fds / process_max_fds
- alert: FdExhaustionClose
expr: predict_linear(fd_utilization[1h], 3600 * 4) > 1
for: 10m
labels:
severity: warning
annotations:
description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
will exhaust in file/socket descriptors within the next 4 hours'
summary: file descriptors soon exhausted
- alert: FdExhaustionClose
expr: predict_linear(fd_utilization[10m], 3600) > 1
for: 10m
labels:
severity: critical
annotations:
description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
will exhaust in file/socket descriptors within the next hour'
summary: file descriptors soon exhausted