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Alerting: Introduce proper feature toggles for common state history backend combinations (#65497)

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* define 3 feature toggles for rollout phases

* Pass feature toggles along

* Implement first feature toggle

* Try a different strategy with fall-throughs to specific configurations

* Apply toggle overrides once outside of backend composition

* Emit log messages when we coerce backends

* Run code generator for feature toggle files

* Improve wording in flag descs

* Re-run generator

* Use code-generated constants instead of plain strings

* Use converted enum values rather than strings for pre-parsing
This commit is contained in:
Alexander Weaver
2023-03-30 13:53:21 -05:00
committed by GitHub
parent 8a4135f63f
commit b2abb63286
7 changed files with 88 additions and 1 deletions
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docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md
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@@ -99,6 +99,9 @@ Alpha features might be changed or removed without prior notice.
| `influxdbBackendMigration` | Query InfluxDB InfluxQL without the proxy |
| `clientTokenRotation` | Replaces the current in-request token rotation so that the client initiates the rotation |
| `prometheusDataplane` | Changes responses to from Prometheus to be compliant with the dataplane specification. In particular it sets the numeric Field.Name from 'Value' to the value of the `__name__` label when present. |
| `alertStateHistoryLokiSecondary` | Enable Grafana to write alert state history to an external Loki instance in addition to Grafana annotations. |
| `alertStateHistoryLokiPrimary` | Enable a remote Loki instance as the primary source for state history reads. |
| `alertStateHistoryLokiOnly` | Disable Grafana alerts from emitting annotations when a remote Loki instance is available. |
## Development feature toggles