featurehelp wantedscaler
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描述
In certain scenarios it would be interesting to react based on what a certain scaler is doing.
For example; when processing a Service Bus/RabbitMQ queue but the queue does not exist it would be nice if we could react to that.
Proposal
We should provide the capability to opt-in for events which are emitted by a given scaler. With that, we could trigger a process to react. (Relates to https://github.com/kedacore/keda/issues/479)
Alternative
Alternative is to be able to define a job to run as part of the metadata, but personally I think it's best to decouple this from KEDA and provide the info but leave it up to others to handle it.
Other information
This came up on #KEDA in Kubernetes Slack for Tomek Święcicki his scenario.