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Merge pull request #12177 from ironcladlou/etcdmembersdown-tweak

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Documentation: Further improve etcdMembersDown alert
This commit is contained in:
Sam Batschelet 2020-07-31 15:06:52 -04:00 committed by GitHub
commit 1af6d61a1c
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2 changed files with 18 additions and 17 deletions
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9
Documentation/etcd-mixin/mixin.libsonnet
View File

@ -7,6 +7,9 @@
// instances are deployed on K8s, you will likely want to change
// this to 'instance, pod'.
etcd_instance_labels: 'instance',
// scrape_interval_seconds is the global scrape interval which can be
// used to dynamically adjust rate windows as a function of the interval.
scrape_interval_seconds: 30,
},
prometheusAlerts+:: {
@ -21,12 +24,12 @@
sum without (%(etcd_instance_labels)s) (up{%(etcd_selector)s} == bool 0)
or
count without (To) (
sum without (%(etcd_instance_labels)s) (rate(etcd_network_peer_sent_failures_total{%(etcd_selector)s}[1m])) > 0.01
sum without (%(etcd_instance_labels)s) (rate(etcd_network_peer_sent_failures_total{%(etcd_selector)s}[%(network_failure_range)ss])) > 0.01
)
)
> 0
||| % $._config,
'for': '3m',
||| % {etcd_instance_labels: $._config.etcd_instance_labels, etcd_selector: $._config.etcd_selector, network_failure_range: $._config.scrape_interval_seconds*4},
'for': '10m',
labels: {
severity: 'critical',
},

26
Documentation/etcd-mixin/test.yaml
View File

@ -17,16 +17,16 @@ tests:
alertname: etcdInsufficientMembers
- eval_time: 5m
alertname: etcdInsufficientMembers
- eval_time: 5m
- eval_time: 12m
alertname: etcdMembersDown
- eval_time: 7m
- eval_time: 14m
alertname: etcdMembersDown
exp_alerts:
- exp_labels:
job: etcd
severity: critical
exp_annotations:
message: 'etcd cluster "etcd": members are down (1).'
message: 'etcd cluster "etcd": members are down (3).'
- eval_time: 7m
alertname: etcdInsufficientMembers
- eval_time: 11m
@ -49,33 +49,31 @@ tests:
- interval: 1m
input_series:
- series: 'up{job="etcd",instance="10.10.10.0"}'
values: '1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0'
values: '1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0'
- series: 'up{job="etcd",instance="10.10.10.1"}'
values: '1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0'
values: '1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0'
- series: 'up{job="etcd",instance="10.10.10.2"}'
values: '1 1 1 1 0 0 0 0'
values: '1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0'
alert_rule_test:
- eval_time: 10m
- eval_time: 14m
alertname: etcdMembersDown
exp_alerts:
- exp_labels:
job: etcd
severity: critical
exp_annotations:
message: 'etcd cluster "etcd": members are down (2).'
message: 'etcd cluster "etcd": members are down (3).'
- interval: 1m
input_series:
- series: 'up{job="etcd",instance="10.10.10.0"}'
values: '1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0'
values: '1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0'
- series: 'up{job="etcd",instance="10.10.10.1"}'
values: '1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0'
values: '1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0'
- series: 'etcd_network_peer_sent_failures_total{To="member-1",job="etcd",endpoint="test"}'
values: '0 0 1 2 3 4 5 6 7 8 9 10'
values: '0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18'
alert_rule_test:
- eval_time: 4m
alertname: etcdMembersDown
- eval_time: 6m
- eval_time: 13m
alertname: etcdMembersDown
exp_alerts:
- exp_labels: