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documentation/prometheus-mixin: improve PrometheusNotIngestingSamples

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The alert shouldn't fire when there's no target and no rule configured.

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
Simon Pasquier 2020-08-24 16:48:06 +02:00
parent 73e2ce1bd6
commit f381d8a9bd
1 changed files with 9 additions and 1 deletions
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10
documentation/prometheus-mixin/alerts.libsonnet
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@ -127,7 +127,15 @@
{ {
alert: 'PrometheusNotIngestingSamples', alert: 'PrometheusNotIngestingSamples',
expr: ||| expr: |||
rate(prometheus_tsdb_head_samples_appended_total{%(prometheusSelector)s}[5m]) <= 0 (
rate(prometheus_tsdb_head_samples_appended_total{%(prometheusSelector)s}[5m]) <= 0
and
(
sum without(scrape_job) (prometheus_target_metadata_cache_entries{%(prometheusSelector)s}) > 0
or
sum without(rule_group) (prometheus_rule_group_rules{%(prometheusSelector)s}) > 0
)
)
||| % $._config, ||| % $._config,
'for': '10m', 'for': '10m',
labels: { labels: {