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

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Aliaksandr Valialkin 2020-05-13 22:55:35 +03:00
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@ -48,10 +48,11 @@ Rules in group evaluated one-by-one sequentially.
* `http://<vmalert-addr>/api/v1/<groupName>/<alertID>/status" ` - get alert status by ID.
Used as alert source in AlertManager.
* `http://<vmalert-addr>/metrics` - application metrics.
* `http://<vmalert-addr>/-/reload` - hot configuration reload.
`vmalert` may be configured with `-remotewrite` flag to write alerts state in form of timeseries
`vmalert` may be configured with `-remoteWrite` flag to write alerts state in form of timeseries
via remote write protocol. Alerts state will be written as `ALERTS` timeseries. These timeseries
may be used to recover alerts state on `vmalert` restarts if `-remoteread` is configured.
may be used to recover alerts state on `vmalert` restarts if `-remoteRead` is configured.
### Configuration
@ -81,19 +82,21 @@ Usage of vmalert:
Address to listen for http connections (default ":8880")
-notifier.url string
Prometheus alertmanager URL. Required parameter. e.g. http://127.0.0.1:9093
-remoteread.basicAuth.password string
Optional basic auth password for -remoteread.url
-remoteread.basicAuth.username string
Optional basic auth username for -remoteread.url
-remoteread.lookback duration
-remoteRead.basicAuth.password string
Optional basic auth password for -remoteRead.url
-remoteRead.basicAuth.username string
Optional basic auth username for -remoteRead.url
-remoteRead.lookback duration
Lookback defines how far to look into past for alerts timeseries. For example, if lookback=1h then range from now() to now()-1h will be scanned. (default 1h0m0s)
-remoteread.url vmalert
Optional URL to Victoria Metrics or VMSelect that will be used to restore alerts state. This configuration makes sense only if vmalert was configured with `remotewrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428
-remotewrite.basicAuth.password string
Optional basic auth password for -remotewrite.url
-remotewrite.basicAuth.username string
Optional basic auth username for -remotewrite.url
-remotewrite.url string
-remoteRead.url vmalert
Optional URL to Victoria Metrics or VMSelect that will be used to restore alerts state. This configuration makes sense only if vmalert was configured with `remoteWrite.url` before and has been successfully persisted its state. E.g. http://127.0.0.1:8428
-remoteWrite.basicAuth.password string
Optional basic auth password for -remoteWrite.url
-remoteWrite.basicAuth.username string
Optional basic auth username for -remoteWrite.url
-remoteWrite.maxQueueSize
Defines the max number of pending datapoints to remote write endpoint
-remoteWrite.url string
Optional URL to Victoria Metrics or VMInsert where to persist alerts state in form of timeseries. E.g. http://127.0.0.1:8428
-rule value
Path to the file with alert rules.
@ -109,6 +112,9 @@ Usage of vmalert:
Pass `-help` to `vmalert` in order to see the full list of supported
command-line flags with their descriptions.
To reload configuration without `vmalert` restart send SIGHUP signal
or send GET request to `/-/reload` endpoint.
### Contributing
`vmalert` is mostly designed and built by VictoriaMetrics community.