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app/vmgateway: fixes rate limit for multitenant requests

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Previously vmgateway returned error for the requests with multitenant
tenant.

 This commit allows to rate limit multitenant requests and apply global
rate limit for it.

Currently it supports only queries for rate limiting.

Related issue: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7201

This commit also addresses gateway start-up crash if datasource.url is not accessible.

Previously vmgateway could crash at start-up with enabled rate limiting if datasource for metrics
was not avaiable for any reason.  It seems, that crash is expected. But in fact it's not. For instance, datasource could be in restart phase.

Replaces crash with log message error. It increased availability of vmgateway component.

Signed-off-by: f41gh7 <nik@victoriametrics.com>
This commit is contained in:
f41gh7 2024-10-31 20:20:02 +01:00
parent bba08f7846
commit 5cc2e49297
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docs/changelog/CHANGELOG.md
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@ -29,6 +29,7 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
* BUGFIX: [dashboards](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/dashboards) for Single-node VictoriaMetrics, cluster: The free disk space calculation now will subtract the size of the `-storage.minFreeDiskSpaceBytes` flag to correctly display the remaining available space of Single-node VictoriaMetrics/vmstorage rather than the actual available disk space, as well as the full ETA. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7334) for the details.
* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert): properly set `group_name` and `file` fields for recording rules in `/api/v1/rules`.
* BUGFIX: [vmgateway](https://docs.victoriametrics.com/vmgateway): properly forward [multitenant](https://docs.victoriametrics.com/cluster-victoriametrics/#multitenancy) requests with `-clusterMode`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7201) for details.
* BUGFIX: [Single-node VictoriaMetrics](https://docs.victoriametrics.com/) and `vmstorage` in [VictoriaMetrics cluster](https://docs.victoriametrics.com/cluster-victoriametrics/): prevent panic when ingesting samples which are outisde of configured [retention filters](https://docs.victoriametrics.com/#retention-filters). This could happen when backfilling data with retention filters which exclude samples from the backfill range.
* BUGFIX: [vmctl](https://docs.victoriametrics.com/vmctl/): fix issue with series matching for `vmctl vm-native` with `--vm-native-disable-per-metric-migration` flag enabled. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7309).
* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix the display of the link to vmalert. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5924).