Whenever the api receives a request to create a worker pool, a message is posted to this exchange and a provider can act upon it.

Whenever a worker reports an error or provisioner encounters an error while provisioning a worker pool, a message is posted to this exchange.

Whenever the api receives a request to update a worker pool, a message is posted to this exchange and a provider can act upon it.

Whenever a worker is removed, a message is posted to this exchange.

Whenever a worker is requested, a message is posted to this exchange.

Whenever a worker has registered, a message is posted to this exchange.

Whenever a worker has stopped, a message is posted to this exchange.