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Fix KubeClientCertificateExpiration alerts #941

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Merged
merged 2 commits into from
Nov 7, 2024
Merged

Fix KubeClientCertificateExpiration alerts #941

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e4c9def
Fix KubeClientCertificateExpiration alerts
7840vz Jun 10, 2024
d456383
Merge branch 'master' into KubeClientCertificateExpiration
7840vz Nov 1, 2024
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8 changes: 6 additions & 2 deletions alerts/kube_apiserver.libsonnet
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,9 @@ local utils = import '../lib/utils.libsonnet';
{
alert: 'KubeClientCertificateExpiration',
expr: |||
apiserver_client_certificate_expiration_seconds_count{%(kubeApiserverSelector)s} > 0 and on(%(clusterLabel)s, job) histogram_quantile(0.01, sum by (%(clusterLabel)s, job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{%(kubeApiserverSelector)s}[5m]))) < %(certExpirationWarningSeconds)s
histogram_quantile(0.01, sum without (%(namespaceLabel)s, service, endpoint) (rate(apiserver_client_certificate_expiration_seconds_bucket{%(kubeApiserverSelector)s}[5m]))) < %(certExpirationWarningSeconds)s
and
on(job, %(clusterLabel)s, instance) apiserver_client_certificate_expiration_seconds_count{%(kubeApiserverSelector)s} > 0
||| % $._config,
'for': '5m',
labels: {
Expand All @@ -64,7 +66,9 @@ local utils = import '../lib/utils.libsonnet';
{
alert: 'KubeClientCertificateExpiration',
expr: |||
apiserver_client_certificate_expiration_seconds_count{%(kubeApiserverSelector)s} > 0 and on(%(clusterLabel)s, job) histogram_quantile(0.01, sum by (%(clusterLabel)s, job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{%(kubeApiserverSelector)s}[5m]))) < %(certExpirationCriticalSeconds)s
histogram_quantile(0.01, sum without (%(namespaceLabel)s, service, endpoint) (rate(apiserver_client_certificate_expiration_seconds_bucket{%(kubeApiserverSelector)s}[5m]))) < %(certExpirationCriticalSeconds)s
and
on(job, %(clusterLabel)s, instance) apiserver_client_certificate_expiration_seconds_count{%(kubeApiserverSelector)s} > 0
||| % $._config,
'for': '5m',
labels: {
Expand Down