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. Allow Key Vault references to access secrets behind Key Vault Firewall

    Key Vault references cannot currently be used to access secrets in a vault that has been configured with Key Vault Firewall / service endpoints.

    It should be possible to resolve secrets from Vaults configured this way (provided the web app / function app is configured with the right VNET integration).

    17 votes
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  2. Julia lang support for Azure Functions

    With Julia lang reaching v1.0 last year, it is emerging as a force in machine learning and other scientific computing applications,

    https://juliacomputing.com/case-studies/

    In particular, BlackRock's Aladdin, Conning Asset Management, and Aviva are all using Julia for financial risk modeling and I see a great opportunity for Julia to impact finance among other things. I'd love to be able to use Julia in Azure Functions for my fintech startup.

    31 votes
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    unplanned  ·  3 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  3. Add support for Python 3.8

    Python 3.8.1+ is now available - https://docs.python.org/3/whatsnew/3.8.html

    Python 3.8 Release Schedule PEP: https://www.python.org/dev/peps/pep-0569/

    Can Python please be bumped in Azure Functions v3+?

    4 votes
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  4. IAsyncEnumerable support in Azure Functions V3

    Hi!

    In order to return data in a stream and being more memory friendly it would be fantastic if the AF could support IAsyncEnumerable<T> return. Example:

        [FunctionName(&quot;Function1&quot;)]
    
    public static async IAsyncEnumerable&lt;int&gt; Run(
    [HttpTrigger(AuthorizationLevel.Anonymous, &quot;get&quot;, &quot;post&quot;, Route = null)] HttpRequest req,
    ILogger log)
    {
    log.LogInformation(&quot;C# HTTP trigger function processed a request.&quot;);

    for (var i = 0; i &lt; 10; i++)
    {
    yield return i;
    }
    }

    Thanks

    4 votes
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  5. Enable triggering of Azure functions based on an event in RabbitMQ

    Hello, we are having a scenario where we should be able to trigger a function when a message is added to RabbitMQ. This would be really helpful in using Azure functions to integrate with other Message queuing platforms that support AMQP protocol.

    97 votes
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    3 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    We just shipped a preview of this functionality today you can try out. In the coming weeks we will enable support to trigger within the Azure Functions Premium plan to receive serverless scale and a function plan to RabbitMQ endpoints within a private network. Please provide feedback and let us know if this meets needs as expected. Details can be found here:

    https://dev.to/azure/announcing-the-rabbitmq-extension-for-azure-functions-2mbo

  6. Add Elastic Scale Plan (pre-warmed instances) in Gov Cloud

    When auto-scaling the number of instances for a Function, API requests are routed to new instances before they are ready (warmed up) causing failures/timeouts for those requests. In regular cloud, this is solved by using the Elastic Scale consumption plan that lets you specify the number of pre-warmed instances (https://docs.microsoft.com/en-us/azure/azure-functions/functions-premium-plan#pre-warmed-instances). Please bring this same plan to Gov Cloud.

    3 votes
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  7. Functions to be stored not at root level

    It would be really nice if we was not forces to have a fold structure where our functions must be stored at root/functionName/index.js. As if the probject contains anything else put the src it gets out of hand.

    I am very suprised you cannot provide a path to where functions lie, ie i would love to have src/functions/<functionName>/handler

    this allows for all shared code to stay under /src/<shared>

    1 vote
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  8. Add option to run function app with Package URL with System Assigned Identity

    Add support to run the function app using system assigned identity with Package URL where the package exists in storage account. so instead of using SAS, it can use System Assigned identity to run the function from package URL

    2 votes
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  9. 1 vote
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  10. Show Function Execute Units in GB/s

    Customer would like to check their Function Execute Units in Azure portal.
    We do have this Metric but the unit is MB/s. However, our bililng unit is GB/s.
    Because customer needs to convert it by themselves, our customer feels it's not easy and convenience to check it at the first glance in Azure portal.
    Please help to add this feature to enable our customer to check their usage in GB/s in Azure portal.
    Thank you!

    SR#119120223001059

    1 vote
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  11. Support health checks from Microsoft.Extensions.Diagnostics.HealthChecks

    Now that we can configure functions using FunctionsStartup, it would be cool to be able to add health checks too. By installing the Microsoft.Extensions.Diagnostics.HealthChecks package, I can get health checks code to compile:

    builder.Services.AddHealthChecks().AddCheck("test", x =>
    {

    return new HealthCheckResult(HealthStatus.Healthy);
    

    });

    But the health check is never executed, why I believe something needs to be done to support health checks in functions.

    1 vote
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  12. azure cli from azure functions

    I would like to run az cli from azure fuction.

    it will help me to manage my Azure environment.

    So far azure cli is not able from azure function. I'm getting:
    2019-05-13T13:19:33.237 [Error] ERROR: The term 'az' is not recognized as the name of a cmdlet, function, script file, or operable program.

    Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

    Microsoft.Azure.WebJobs.Script.Rpc.RpcException : Result: ERROR: The term 'az' is not recognized as the name of a cmdlet, function, script file, or operable program.

    5 votes
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    triaged  ·  2 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  13. Durable Function Map (like Application Map in AppInsights)

    Durable functions monitoring is possible by querying DurableFunctionsHubHistory, but it takes time to interpret it and create meaningful queries.
    It would be great to have visual representation of durable workflows: view all in-progress workflows, where they are and how do they progress execution. Also check history of each workflow instance. Times, spent on each Activity, events workflow was waiting for, durable overhead must be also visible there.
    It would be great to introduce workflow classification (Approval, Declined, Exception ... scenarios) in order to measure metrics among same-class workflow and not to compare times of Success to Exception workflows.
    Overall this…

    1 vote
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    under review  ·  0 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  14. Durable Functions Workflow fixes support

    Workflows on Durable Functions is great until you make some bug in it. And when you do (not "if you do") make a bug, it may result in thousands or even millions of workflows in inappropriate state, or waiting for never-happen events, or just hang in some infinite loop - there are a lot of ways things can go wrong.
    And we need some way to recover the system from those mistakes. Cancellation is one option (AFAIK, it still doesn't support cancelling sub-orchestrators and activities, so not very useful anyway), but workflows sometimes may take days or months to get…

    1 vote
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  15. Add C++ support for Azure Functions

    Allow C++ binaries to contains Azure Functions. It could be done by invoking the main in an executable, or a DLL with a specific export method with predefined signature.

    C++ allows to control memory usage and allow users to be incredibly fast when used properly. In an environment where scaling is needed, squeezing a few seconds of CPU or lowering a few KB of RAM can translate to hundreds or thousands of dollars in savings.

    If memory leaks are a concern, putting aside the fact that C# code can also leak, you could create fail safes for Azure Functions. A…

    32 votes
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    3 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  16. Change log level without redeploy for packaged apps

    Please allow log level to be changed for packaged apps without redeploy.

    Here's my use case and I can't believe I am alone in this... I have an app running at log level Information. There is an issue I want to investigate so I want to increase the log level to Debug or Trace. Because my app is packaged (dotnet if that matters) I can't change the log level without redeploy. That means I have to commit a change to my host.json and rerun my build and deployment pipeline. Adn then back that out afterwards. Because of the need to…

    1 vote
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  17. Dynamically disable Queue Trigger Functions

    As of now there is not a good way to dynamically disable a queue triggered function. We have some code running that monitors an endpoint. If that code detects an unhealthy condition, ideally we would like to disable the queue triggered function until the endpoint is ready to accept messages again. I have not seen anywhere to do this outside of manually disabling the function within the portal

    1 vote
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  18. Please support calls to System.Drawing.Bitmap ?

    Hello Team,
    Azure function v2 engine does not support calls to System.Drawing.Bitmap class. I understand that this limitation has been documented under https://github.com/projectkudu/kudu/wiki/Azure-Web-App-sandbox

    I find System.Drawing.Bitmap very useful when it comes to reading image files. Our current product (on .NET Framework) relies on System.Drawing for image processing and works very well. However we are unable to port to Azure because of the sandbox restrictions.

    I request the team to consider this support in future versions of the runtime.

    3 votes
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    3 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  19. Add support to Circuit breaker pattern

    Azure functions should control the way the comunicate with their dependencies and process each request if they have condititions to do that. Same way we define bindings, it could be possible to define circuit breaker strategy to not overload unnecessary process if it is not possible to process requests.

    1 vote
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  20. Specify a custom window for platform updates to WebApps, Functions, etc.

    I want to be able to request platform upgrades only restart my site within a specific window, say outside of business hours.

    1 vote
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    1 comment  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    This is great feedback.
    We strive for platform upgrades to happen transparently to you, however, they will restart every worker for your function app while performing a platform upgrade.

    We do not currently have the infrastructure to make this publicly available, but keep the votes coming!

    Thanks!
    Alex
    Azure Functions Team!

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