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feat: add cluster to alerts description (when possible) #988

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merged 2 commits into from
Nov 25, 2024
Merged

feat: add cluster to alerts description (when possible) #988

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1122d94
feat: add cluster to alerts description (when possible)
lorenzofelletti Nov 8, 2024
d8a8fc2
feat: use showMultiCluster instead of cluster label
lorenzofelletti Nov 19, 2024
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10 changes: 8 additions & 2 deletions alerts/kube_apiserver.libsonnet
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,10 @@ local utils = import '../lib/utils.libsonnet';
severity: 'warning',
},
annotations: {
description: 'A client certificate used to authenticate to kubernetes apiserver is expiring in less than %s.' % (utils.humanizeSeconds($._config.certExpirationWarningSeconds)),
description: 'A client certificate used to authenticate to kubernetes apiserver is expiring in less than %s%s.' % [
(utils.humanizeSeconds($._config.certExpirationWarningSeconds)),
utils.ifClusterLabelSet($._config, ' on cluster {{ $labels.%(clusterLabel)s }}' % $._config),
],
summary: 'Client certificate is about to expire.',
},
},
Expand All @@ -75,7 +78,10 @@ local utils = import '../lib/utils.libsonnet';
severity: 'critical',
},
annotations: {
description: 'A client certificate used to authenticate to kubernetes apiserver is expiring in less than %s.' % (utils.humanizeSeconds($._config.certExpirationCriticalSeconds)),
description: 'A client certificate used to authenticate to kubernetes apiserver is expiring in less than %s%s.' % [
(utils.humanizeSeconds($._config.certExpirationCriticalSeconds)),
utils.ifClusterLabelSet($._config, ' on cluster {{ $labels.%(clusterLabel)s }}' % $._config),
],
summary: 'Client certificate is about to expire.',
},
},
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4 changes: 4 additions & 0 deletions lib/utils.libsonnet
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Expand Up @@ -56,4 +56,8 @@
metric: labels.metric,
},
},

// if clusterLabel is set, return the string, otherwise return an empty string
ifClusterLabelSet(config, string)::
if std.length(config.clusterLabel) > 0 then string else '',
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}