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docs/vmalert.md: sync with app/vmalert/README.md

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Aliaksandr Valialkin 2020-07-30 21:56:48 +03:00
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@ -44,10 +44,19 @@ compatible storage address for storing recording rules results and alerts state
Then configure `vmalert` accordingly:
```
./bin/vmalert -rule=alert.rules \
-datasource.url=http://localhost:8428 \
-notifier.url=http://localhost:9093
-datasource.url=http://localhost:8428 \ # PromQL compatible datasource
-notifier.url=http://localhost:9093 \ # AlertManager URL
-notifier.url=http://127.0.0.1:9093 \ # AlertManager replica URL
-remoteWrite.url=http://localhost:8428 \ # remote write compatible storage to persist rules
-remoteRead.url=http://localhost:8428 \ # PromQL compatible datasource to restore alerts state from
-external.label=cluster=east-1 \ # External label to be applied for each rule
-external.label=replica=a \ # Multiple external labels may be set
-evaluationInterval=3s # Default evaluation interval if not specified in rules group
```
If you run multiple `vmalert` services for the same datastore or AlertManager - do not forget
to specify different `external.label` flags in order to define which `vmalert` generated rules or alerts.
Configuration for [recording](https://prometheus.io/docs/prometheus/latest/configuration/recording_rules/)
and [alerting](https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/) rules is very
similar to Prometheus rules and configured using YAML. Configuration examples may be found
@ -174,6 +183,8 @@ Usage of vmalert:
How often to evaluate the rules (default 1m0s)
-external.url string
External URL is used as alert's source for sent alerts to the notifier
-external.label array
Optional label in the form 'name=value' to add to all generated recording rules and alerts. Pass multiple -label flags in order to add multiple label sets.
-httpListenAddr string
Address to listen for http connections (default ":8880")
-metricsAuthKey string