Delete schedules after execution

[gsavage]

When access is granted, an EventBridgeSchedule is created to fire when access should be revoked. However the schedules are not deleted, and so the list of schedules continues to grow, for ever.

This has the knock-on effect of making the revoke lambda run slower and slower, as it has to paginate through more and more old schedules.

This commit sets the ActionAfterCompletion property on the schedule so that once it has executed AWS will delete it. This means that the number of schedules should remain fairly constant over a given period of time.

Note that I have not included anything here to delete old schedules, so tidying-up an existing installation will be something that each team will need to perform manually.

---

Note

Sets ActionAfterCompletion=DELETE on all created EventBridge schedules so they are removed after firing.

• Scheduler:
  • Set ActionAfterCompletion to DELETE for schedules created in:
    • schedule_revoke_event
    • schedule_group_revoke_event
    • schedule_discard_buttons_event
    • schedule_approver_notification_event

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[Andrey9kin]

@gsavage good catch! Thanks for sending the PR!

[Andrey9kin]

Released 4.0.1