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Annotations/Alerting: Add Loki historian store stub (#78363)

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* Add Loki historian store stub

* Add composite store

* Use composite store if Loki historian enabled

* Split store interface into read/write

* Make composite + historian stores read only

* Use variadic constructor for composite

* Modify Loki store enable logic

* Use dskit.concurrency.ForEachJob for parallelism
This commit is contained in:
William Wernert
2023-12-12 17:43:09 -05:00
committed by GitHub
parent 09cef892a5
commit 62bdbe5b44
9 changed files with 486 additions and 14 deletions
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6
pkg/services/ngalert/ngalert.go
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@@ -236,7 +236,7 @@ func (ng *AlertNG) init() error {
// There are a set of feature toggles available that act as short-circuits for common configurations.
// If any are set, override the config accordingly.
applyStateHistoryFeatureToggles(&ng.Cfg.UnifiedAlerting.StateHistory, ng.FeatureToggles, ng.Log)
ApplyStateHistoryFeatureToggles(&ng.Cfg.UnifiedAlerting.StateHistory, ng.FeatureToggles, ng.Log)
history, err := configureHistorianBackend(initCtx, ng.Cfg.UnifiedAlerting.StateHistory, ng.annotationsRepo, ng.dashboardService, ng.store, ng.Metrics.GetHistorianMetrics(), ng.Log)
if err != nil {
return err
@@ -446,8 +446,8 @@ func configureHistorianBackend(ctx context.Context, cfg setting.UnifiedAlertingS
return nil, fmt.Errorf("unrecognized state history backend: %s", backend)
}
// applyStateHistoryFeatureToggles edits state history configuration to comply with currently active feature toggles.
func applyStateHistoryFeatureToggles(cfg *setting.UnifiedAlertingStateHistorySettings, ft featuremgmt.FeatureToggles, logger log.Logger) {
// ApplyStateHistoryFeatureToggles edits state history configuration to comply with currently active feature toggles.
func ApplyStateHistoryFeatureToggles(cfg *setting.UnifiedAlertingStateHistorySettings, ft featuremgmt.FeatureToggles, logger log.Logger) {
backend, _ := historian.ParseBackendType(cfg.Backend)
// These feature toggles represent specific, common backend configurations.
// If all toggles are enabled, we listen to the state history config as written.