Azure Functions

Azure Functions is an event driven, compute-on-demand experience that extends the existing Azure application platform with capabilities to implement code triggered by events occurring in other Azure services, SaaS products, and on-premises systems. With Azure Functions, your applications scale based on demand and you pay only for the resources you consume. Azure Functions provides an intuitive, browser-based user interface allowing you to create scheduled or triggered pieces of code implemented in a variety of programming languages.

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  1. consumption plan china

    Currently Azure Function Apps cannot be hosted on a Consumption Plan if the target Cloud is China.

    See: https://blogs.msdn.microsoft.com/appserviceteam/2018/03/28/announcing-the-availability-of-azure-functions-in-national-clouds/

    We would like to have the capability to use the Consumption Plan also on this Azure Region.

    9 votes
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  2. better error handling for EventGrid calls that you want to retry

    The Microsoft sample documentation (link below) suggests using a Run method with void return type. This doesn't allow convenient handling of errors that you want to handle by getting EventGrid to retry invoking the Azure Function again after a period. For example, my Azure Function sends a message to a server (Azure Container Instance) which may be down. In this situation I want EventGrid to invoke my Azure Function again after a period when the server might be up. However, with a void return type my only option seems to be that of throwing an exception (InvalidOperation?). Agreed, I could…

    4 votes
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    2 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  3. Add "Deny" option when Request is not Authenticated

    I have a function app set up as a private API that requires users to authenticate via Azure AD B2C to be able to make calls. My mobile app does the auth and then provides the Bearer token in the service calls.
    This all works but if someone happens to browse an endpoint in a browser I don't want them to be redirected to the login page as the API is only meant to be requested from within the mobile app.
    I would like an option to just deny access to the API when a request is not authorised.

    2 votes
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    1 comment  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  4. Add support to Open Tracing/Zipkin

    Opentracing (http://opentracing.io/) is a popular standard for tracing correlated requests across many different services communicating via RPC. It contains implementations on several different platforms and various tools (zipkin being one of the most popular ones). The standard can be easily extended over HTTP using dedicated headers from client/server side. It would be great if Azure functions would be able to provide more or less transparent support for it.

    10 votes
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    1 comment  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    We are currently working on supporting a suite of Azure based distributed tracing solutions. We have no current plans to support this tool, but would love to hear from the community, and are leaving this item open to collect feedback :)

    Thanks!
    Alex
    Azure Functions Team

  5. Support authentication for Azure Function Core Tools

    Azure Functions has been great, especially the ability to run the Core Tools locally. However, there are often scenarios where you return data depending on the currently authenticated user. This appears to be supported in Azure Functions in Azure now but there are no options within the Core Tools. This would be hugely useful for local development.

    27 votes
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    2 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  6. Add support for hybrid connections to Consumption Plan

    Can we add Hybrid Connections to functions running in Consumption Plans

    I'm aware of the idea ...
    https://feedback.azure.com/forums/355860-azure-functions/suggestions/14807298-should-support-hybrid-connections

    But this is for App Service Plans, and only mentions Consumption Plan in the response.

    26 votes
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    4 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  7. ASP.NET Core MVC/Web API support

    Enable developers to create serverless applications using the ASP.NET Core Web API framework.

    109 votes
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    13 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  8. Enable direct internal Function-to-Function calls

    There is a need to call one Function from another Function without an Internet round-trip, and without dependencies on additional services. (To me, "no Internet round-trip" implies the same region, but if "anywhere within Azure" optimizations could be made without a direct http call to go elsewhere, that would also be ideal.)

    Since the request linked below was closed as Completed even though the "resolution" refers to orchestration, a completely different concern, I'm opening this to re-request with the original intent.

    Related: https://feedback.azure.com/forums/355860-azure-functions/suggestions/15622413-enable-calling-of-other-functions-via-internal-id

    15 votes
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  9. Functions Should support Custom Trigger events

    Functions Should be able to support custom triggers
    In my case i need a trigger from azure redis which is not possible in functions now.

    17 votes
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    2 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  10. Specifying a name for a premade function

    If no function is present in a Function App, the “getting started” assistant is shown which allows adding a premade function. However, you can’t specify a name for the resulting function there, which is why you’ll end up with insignificant names such as “HTTPTriggerCSharp1” or “HTTPTriggerJS1”. It would be great if the user could optionally specify a function name in this dialog.

    2 votes
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  11. Support Service Bus trigger with use of SAS token

    In our company we are using Service Bus with a framework that deals out the SAS tokens to queues. These tokens are living for few days only and concern hierarchical queues (eg. queue name could be productA/event-type-B/subtypeC) and only Listen policy.
    This would mean that listening on a different level then root level of namespace would be needed.
    Best if also the whole connection to SB described by this token would be separate object from the Function, so we could modify it (by altering with new SAS token/whole connection string) without modifying the Function code (as API Connections in Logic…

    24 votes
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    1 comment  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    I believe in our latest SDK versions you should be able to use connection strings specific to a single queue / listen-only. These connection strings are stored in app settings and can be updated / rolled without having to modify or redeploy the code. Believe this would be sufficient today? Not sure if anything blocking anymore

    https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-service-bus-trigger?tabs=csharp#configuration

  12. Visual Studio Tooling - Javascript Project Template

    C# Project Template was recently added for Visual Studio Tooling https://feedback.azure.com/forums/355860-azure-functions/suggestions/13301214-visual-studios-tooling-with-local-execution-debug , however this doesn't handle all languages - F#, Javascript/Typescript, etc.

    Hoping we can get support added for better deployment capabilities with other languages as well as source code management. Great to see the Azure Function tooling finally make it to RTM for C#!

    2 votes
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  13. Add support for Open API (Swagger 3)

    Azure Functions currently supports Open API (Swagger 2) (https://azure.microsoft.com/en-in/updates/announcing-azure-functions-open-api-swagger-support-preview/).

    Now that Open API 3 has been released, it would be helpful if the latest standard could also be supported

    23 votes
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  14. Device Twin Trigger from IoT Hub

    Add a trigger when a chance occurs in the IoT Hub device twin

    6 votes
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  15. Expose StorageClientFactory or QueueProcessorFactory to enable triggering on client-side-encrypted queues

    With WebJobs, a custom StorageClientFactory can set an EncryptionPolicy in the DefaultRequestOptions such that encrypted queue messages are transparently decrypted when triggering a WebJob.

    Alternatively, the EncryptionPolicy can be set on a queue by queue basis using a custom QueueProcessorFactory.

    If these, or a more general way to modify the JobHostConfiguration were provided, then we would be able to store the storage connection string in Azure KeyVault and use client side encryption with Azure Functions apps.

    1 vote
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    0 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    Marking to needs feedback per below:
    Nothing planned but still curious on this one. I think the ask is that you could decrypt on trigger. I expect trigger would work today but you’d have to have decrypt in code per execution. Is hope to decrypt before execution? – Jeff

  16. Global exception handler

    Make it possible to have a global exception handler in C# Azure Functions App project - to be able to handle exceptions in one central location.

    55 votes
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  17. Retrieve function app keys from ARM template

    Make it possible to set/retrieve function app keys via ARM templates.
    This will make it easier to store it in the settings of an other service while rolling out an environment.

    31 votes
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    4 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  18. Support for blob trigger on entire storage account

    Microsoft’s mobile services are designed to place blobs that are pushed in from mobile clients into many containers - a separate container for each entity that the files are associated with. Microsoft’s solution for sourcing events from blob operations is not compatible with this, as the existing blob trigger required you to know the name of the container at setup/binding time. It would be useful to have a blob trigger that can monitor an entire storage account.

    6 votes
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    2 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    Changing this and clarifying. You can do this today with the Event Grid trigger (e.g. create an event grid trigger and then add subscriptions for each container in a storage account – or many storage accounts – and point to same function). That’s the way that works today and is planned to be the solution for this short term. However leaving this open as I think it was more general to have the Blob and not the Event Grid trigger do this. Keep the votes coming and comment on if Event Grid may not be enough.

    -
    Jeff

  19. Quartz Timer Feature

    Please enhance Azure Functions or Azure in general that exposes an API against which we can post quartz like timer jobs.

    Would be great to set a timer in Azure that can eventually trigger an Azure Function when executing.

    6 votes
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  20. Support for queue settings per function

    As I was looking for a way to configure the visibility timeout for queue messages I found that the only configuration seemed to be at the host level. The problem is that my queues have different needs and one setting will not work optimally for all queues. I am looking for a way to configure each queue independently.

    15 votes
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