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# Which Problems Are Solved Add a debug API which allows pushing a set of events to be reduced in a dedicated projection. The events can carry a sleep duration which simulates a slow query during projection handling. # How the Problems Are Solved - `CreateDebugEvents` allows pushing multiple events which simulate the lifecycle of a resource. Each event has a `projectionSleep` field, which issues a `pg_sleep()` statement query in the projection handler : - Add - Change - Remove - `ListDebugEventsStates` list the current state of the projection, optionally with a Trigger - `GetDebugEventsStateByID` get the current state of the aggregate ID in the projection, optionally with a Trigger # Additional Changes - none # Additional Context - Allows reproduction of https://github.com/zitadel/zitadel/issues/8517
83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
package command
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import (
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"context"
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"time"
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"github.com/zitadel/zitadel/internal/api/authz"
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"github.com/zitadel/zitadel/internal/domain"
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"github.com/zitadel/zitadel/internal/eventstore"
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"github.com/zitadel/zitadel/internal/repository/debug_events"
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"github.com/zitadel/zitadel/internal/telemetry/tracing"
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"github.com/zitadel/zitadel/internal/zerrors"
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)
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type DebugEvents struct {
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AggregateID string
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Events []DebugEvent
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}
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type DebugEvent interface {
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isADebugEvent()
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}
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type DebugEventAdded struct {
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ProjectionSleep time.Duration
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Blob *string
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}
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type DebugEventChanged struct {
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ProjectionSleep time.Duration
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Blob *string
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}
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type DebugEventRemoved struct {
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ProjectionSleep time.Duration
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}
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func (DebugEventAdded) isADebugEvent() {}
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func (DebugEventChanged) isADebugEvent() {}
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func (DebugEventRemoved) isADebugEvent() {}
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func (c *Commands) CreateDebugEvents(ctx context.Context, dbe *DebugEvents) (_ *domain.ObjectDetails, err error) {
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ctx, span := tracing.NewSpan(ctx)
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defer func() { span.EndWithError(err) }()
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model := NewDebugEventsWriteModel(dbe.AggregateID, authz.GetInstance(ctx).InstanceID())
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if err = c.eventstore.FilterToQueryReducer(ctx, model); err != nil {
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return nil, err
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}
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aggr := debug_events.AggregateFromWriteModel(ctx, &model.WriteModel)
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cmds := make([]eventstore.Command, len(dbe.Events))
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for i, event := range dbe.Events {
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var cmd eventstore.Command
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switch e := event.(type) {
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case DebugEventAdded:
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if model.State.Exists() {
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return nil, zerrors.ThrowAlreadyExists(nil, "COMMAND-Aex6j", "debug aggregate already exists")
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}
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cmd = debug_events.NewAddedEvent(ctx, aggr, e.ProjectionSleep, e.Blob)
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case DebugEventChanged:
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if !model.State.Exists() {
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return nil, zerrors.ThrowNotFound(nil, "COMMAND-Thie6", "debug aggregate not found")
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}
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cmd = debug_events.NewChangedEvent(ctx, aggr, e.ProjectionSleep, e.Blob)
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case DebugEventRemoved:
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if !model.State.Exists() {
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return nil, zerrors.ThrowNotFound(nil, "COMMAND-Ohna9", "debug aggregate not found")
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}
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cmd = debug_events.NewRemovedEvent(ctx, aggr, e.ProjectionSleep)
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}
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cmds[i] = cmd
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// be sure the state of the last event is reduced before handling the next one.
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model.reduceEvent(cmd.(eventstore.Event))
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}
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events, err := c.eventstore.Push(ctx, cmds...)
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if err != nil {
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return nil, err
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}
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return pushedEventsToObjectDetails(events), nil
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}
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