fix: Remove remaining blocking wait_for_operation calls #990
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This PR removes the last two blocking wait_for_operation calls that were causing gunicorn workers to be blocked for extended periods: 1. delete_expired_instances() - VM deletion is now fire-and-forget 2. start_test() - VM creation is now optimistic (recorded immediately) These blocking calls were causing 504 timeouts on webhook deliveries because GitHub has a 10-second webhook timeout. When cron jobs were running wait_for_operation (which can take up to 30 minutes), all gunicorn workers could become blocked, causing webhook requests to queue and exceed the timeout. Changes: - delete_expired_instances: Remove blocking wait, log operation initiation - start_test: Check for immediate errors, then record instance optimistically - Tests: Remove unused wait_for_operation mocks from affected tests If VM creation ultimately fails, the test won't report progress and will be cleaned up by the expired instances cron job. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
cfsmp3
requested review from
canihavesomecoffee and
thealphadollar
as code owners
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Summary
wait_for_operationindelete_expired_instances()(VM deletion now fire-and-forget)wait_for_operationinstart_test()(VM creation now optimistic)Problem
These blocking calls were causing 504 timeouts on webhook deliveries because:
wait_for_operation(which can block for up to 30 minutes), gunicorn workers become blockedSolution
delete_expired_instances: Delete VMs without waiting for confirmation (fire-and-forget)start_test: Check for immediate errors, then record instance optimistically. If VM creation ultimately fails, the test won't report progress and will be cleaned up by the expired instances cron job.Test plan
wait_for_operationmocks)🤖 Generated with Claude Code