To automate the cancellation of a scheduled deployment run in Prefect if the current run is still active, you can use the Prefect REST API or Python client to programmatically check the status of the current run and cancel the next one if necessary. Prefect 3.x supports cancellation through its UI, CLI, and API, but automating this process requires some custom logic outside of the UI itself.
Here's a general approach you might take:
1.
Check Current Run Status: Use the Prefect API or Python client to retrieve the status of the current deployment run.
2.
Cancel Next Run: If the current run is still active, you can cancel the next scheduled run by updating the deployment schedule or using the cancellation API.
3.
Automation Script: Implement this logic in a script that can be triggered by a scheduler or another automation tool.
For more details on cancellation and scheduling, you can refer to the Prefect documentation:
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Cancel Flow Runs
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Deployment Scheduling
Keep in mind that Prefect 3.x has replaced agents with workers, and work pools manage the concurrency of deployment runs. You might need to consider these changes if you're upgrading from Prefect 2.x.