VictoriaMetrics/app/vmalert/config/testdata/dir/rules2-bad.rules
Roman Khavronenko 6247884057
vmalert: add function "query", "first" and "value" to alert templates functions (#960)
The commit adds a support for template function `query`,
`first` and `value`. The function `query` executes
a MetricsQL query for active alerts. In vmalert we
update templates on every evaluation for active alerts
to keep them up to date. With `query` func it may become
a perf issue since it will fire a query on every execution.
We should keep it in mind for now.

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/539
2020-12-14 20:11:45 +02:00

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groups:
- name: group
rules:
- alert: UnkownLabelFunction
for: 5m
expr: vm_rows > 0
labels:
label: bar
summary: "{{ unknown|query }}"
annotations:
description: "{{$labels}}"