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# Which Problems Are Solved When executing many concurrent authentication requests on a single machine user, there were performance issues. As the same aggregate is being searched and written to concurrently, we traced it down to a locking issue on the used index. We already optimized the token endpoint by creating a separate OIDC aggregate. At the time we decided to push a single event to the user aggregate, for the user audit log. See [technical advisory 10010](https://zitadel.com/docs/support/advisory/a10010) for more details. However, a recent security fix introduced an additional search query on the user aggregate, causing the locking issue we found. # How the Problems Are Solved Add a feature flag which disables pushing of the `user.token.v2.added`. The event has no importance and was only added for informational purposes on the user objects. The `oidc_session.access_token.added` is the actual payload event and is pushed on the OIDC session aggregate and can still be used for audit trail. # Additional Changes - Fix an event mapper type for `SystemOIDCSingleV1SessionTerminationEventType` # Additional Context - Reported by support request - https://github.com/zitadel/zitadel/pull/7822 changed the token aggregate - https://github.com/zitadel/zitadel/pull/8631 introduced user state check Load test trace graph with `user.token.v2.added` **enabled**. Query times are steadily increasing:  Load test trace graph with `user.token.v2.added` **disabled**. Query times constant:  --------- Co-authored-by: Livio Spring <livio.a@gmail.com>
100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package query
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import (
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"github.com/zitadel/zitadel/internal/eventstore"
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"github.com/zitadel/zitadel/internal/feature"
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"github.com/zitadel/zitadel/internal/repository/feature/feature_v2"
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)
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type SystemFeaturesReadModel struct {
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*eventstore.ReadModel
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system *SystemFeatures
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}
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func NewSystemFeaturesReadModel() *SystemFeaturesReadModel {
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m := &SystemFeaturesReadModel{
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ReadModel: &eventstore.ReadModel{
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AggregateID: "SYSTEM",
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ResourceOwner: "SYSTEM",
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},
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system: new(SystemFeatures),
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}
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return m
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}
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func (m *SystemFeaturesReadModel) Reduce() error {
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for _, event := range m.Events {
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switch e := event.(type) {
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case *feature_v2.ResetEvent:
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m.reduceReset()
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case *feature_v2.SetEvent[bool]:
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err := reduceSystemFeatureSet(m.system, e)
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if err != nil {
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return err
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}
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case *feature_v2.SetEvent[[]feature.ImprovedPerformanceType]:
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err := reduceSystemFeatureSet(m.system, e)
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if err != nil {
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return err
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}
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}
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}
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return m.ReadModel.Reduce()
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}
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func (m *SystemFeaturesReadModel) Query() *eventstore.SearchQueryBuilder {
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return eventstore.NewSearchQueryBuilder(eventstore.ColumnsEvent).
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AwaitOpenTransactions().
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AddQuery().
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AggregateTypes(feature_v2.AggregateType).
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AggregateIDs(m.AggregateID).
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EventTypes(
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feature_v2.SystemResetEventType,
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feature_v2.SystemLoginDefaultOrgEventType,
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feature_v2.SystemTriggerIntrospectionProjectionsEventType,
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feature_v2.SystemLegacyIntrospectionEventType,
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feature_v2.SystemUserSchemaEventType,
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feature_v2.SystemTokenExchangeEventType,
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feature_v2.SystemActionsEventType,
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feature_v2.SystemImprovedPerformanceEventType,
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feature_v2.SystemOIDCSingleV1SessionTerminationEventType,
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feature_v2.SystemDisableUserTokenEvent,
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).
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Builder().ResourceOwner(m.ResourceOwner)
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}
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func (m *SystemFeaturesReadModel) reduceReset() {
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m.system = nil
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m.system = new(SystemFeatures)
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}
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func reduceSystemFeatureSet[T any](features *SystemFeatures, event *feature_v2.SetEvent[T]) error {
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level, key, err := event.FeatureInfo()
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if err != nil {
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return err
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}
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switch key {
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case feature.KeyUnspecified:
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return nil
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case feature.KeyLoginDefaultOrg:
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features.LoginDefaultOrg.set(level, event.Value)
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case feature.KeyTriggerIntrospectionProjections:
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features.TriggerIntrospectionProjections.set(level, event.Value)
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case feature.KeyLegacyIntrospection:
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features.LegacyIntrospection.set(level, event.Value)
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case feature.KeyUserSchema:
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features.UserSchema.set(level, event.Value)
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case feature.KeyTokenExchange:
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features.TokenExchange.set(level, event.Value)
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case feature.KeyActions:
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features.Actions.set(level, event.Value)
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case feature.KeyImprovedPerformance:
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features.ImprovedPerformance.set(level, event.Value)
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case feature.KeyOIDCSingleV1SessionTermination:
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features.OIDCSingleV1SessionTermination.set(level, event.Value)
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case feature.KeyDisableUserTokenEvent:
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features.DisableUserTokenEvent.set(level, event.Value)
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}
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return nil
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}
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