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My python file is in Azure devops repository. I am trying to deploy it to the azure function app and execute the py file. I already building up an service connection "testing" to connect the resource group. My code is following.

steps:

  • task: AzureFunctionApp@1 displayName: 'Azure Function App Deploy: api' inputs: azureSubscription: testing appType: functionAppLinux appName: api package: '$(System.DefaultWorkingDirectory)' runtimeStack: 'DOCKER|microsoft/azure-functions-dotnet-core3.0:3.0' startUpCommand: 'func azure functionapp publish $(functionAppName) --no-bundler'

However, i encounter error ##[error]Error: Failed to sync triggers for function app 'api'. Error: BadRequest - Encountered an error (ServiceUnavailable) from host runtime. (CODE: 400)

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3 Answers 3

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11

This might help: https://github.com/Azure/azure-functions-host/issues/5722

I had the same issue and removing WEBSITE_RUN_FROM_PACKAGE from siteConfig.appSettings fixed the issue.

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1

As a follow-up to Balint's answer, I had something similar happen which started causing this same problem. In my case I'm using keyvault secrets in my configuration to load some keys, and this failed until I refreshed my config.

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2 Comments

Thanks for this - what do you mean by refresh your config?
@EvangelosAktoudianakis it looks like MS has moved things around a bit in Azure Portal, but now it's listed as "Pull reference values" under "Settings/Environment variables". Sorry for not being explicit.
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The problem for me was the Storage Account linked to the function app. The Storage Account was in a subnet with restricted access. Set up the function app to a subnet in the same VNet as the Storage and create Network rules to allow traffic.

So, also check your network!

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