[Appservice] Fix #31394: az functionapp deployment source config-zip: Never ending loop on flex function app health check#33388
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Adds missing tries count Breaks out if IP restriction in place
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az functionapp deployment source config-zip: never ending loop on flex function app health check
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Pull request overview
Fixes a hang in the App Service module’s post-deployment health check for Flex Function Apps invoked by az functionapp deployment source config-zip, by ensuring the retry loop terminates and by short-circuiting when the health check is blocked by IP restrictions.
Changes:
- Increment
num_trialsfor non-2xx health-check responses to prevent an infinite retry loop. - Exit the health-check loop early when a 403 response indicates IP-based access restriction.
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az functionapp deployment source config-zip: never ending loop on flex function app health checkaz functionapp deployment source config-zip: Never ending loop on flex function app health check
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Related command
az functionapp deployment source config-zip
Description
The
check_flex_app_after_deploymentfunction called after a deployment had a never ending re-try loop for non-2xx response status codes. This PR adds the missingnum_trialsincrement. It also breaks out of the health check when an IP restriction is found preventing the client from calling the health check.Fixes #31394
Testing Guide
An existing function app with a default network rule of Deny has no access from the client to the app. Run the deployment command:
az functionapp deployment source config-zip \ --resource-group MyResourceGroup \ --name MyUniqueAppName \ --src funcapp.zipBefore it would hang forever, but now transient errors are handled and retries are done up the the limit. An IP restriction will complete successfully with a message saying the health check was not possible
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