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. Golang support for Azure Functions

    C# and other environments are already supported; it would be nice if Go / Golang was one of them. I'd love to handle web requests using Golang + Azure Functions.

    It could provide the "HTTP Requests" via the stdin, while the "HTTP Response" can be given via the stdout. (or whatever those two are called on Windows ;-) )

    229 votes
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    unplanned  ·  32 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  2. Support for native Rust Azure Functions

    As of February 2019, Azure Functions support native .NET, JavaScript and Python.

    Could we please have native support to run Azure Functions written in Rust? To host Rust functions currently we have to pay for a Linux App Service plan and embed our functions within a Docker container. This is expensive just to run a few microservices written in Rust.

    Peter Huene has an excellent project for anyone interest in writing Azure Functions in Rust....

    https://github.com/peterhuene/azure-functions-rs

    188 votes
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    13 comments  ·  Flag idea as inappropriate…  ·  Admin →
  3. Enable custom 3rd party authentication providers

    Outside of out of the box providers like facebook and google, provide samples and guidance on how to authenticate with others like LinkedIn.

    164 votes
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    10 comments  ·  Flag idea as inappropriate…  ·  Admin →

    I’ve gotten a few questions about this item recently, so I just wanted to give a more detailed status. We still have this on the backlog; it hasn’t been forgotten. But we don’t have a clear timeline for when we would get to it right now. The “unplanned” status just means that it can’t be tied to a timeline, but we do think this is a valid request that we would like to have in the product.
    - Matthew

  4. ASP.NET Core MVC/Web API support

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

    110 votes
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    13 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  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.

    106 votes
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    4 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. Support F# scripts (.fsx) in v2 and v3

    F# script usage is about to become much more prevalent due to the improved "#r nuget" imports in F#5. Azure Functions v2 and v3 should support F# scripts so that we can avoid having to create a "function project" when a a simple .fsx would suffice.

    96 votes
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    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
  7. SQL Azure trigger support

    Azure functions are great, but a lot of application logic is driven by data in SQL Azure DBs. It would be great to have a trigger based on a SQL Azure row data.

    91 votes
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    6 comments  ·  Flag idea as inappropriate…  ·  Admin →
  8. Support for Azure Managed Service Identities in EventHub (and other) triggers

    In Event Hub, I can add my Function App's MSI as a data reader, but in the function I cannot use trigger bindings to read from the queue without using a SecureAccess Key. We are trying to go password free wherever possible, and Azure has been promoting this course of action, so why do we need secret keys for reading from the queue? It then forces us to create and share a secret key for partner teams to read from our queue, rather than just permissioning them in Event Hub.

    85 votes
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    5 comments  ·  Bindings  ·  Flag idea as inappropriate…  ·  Admin →
  9. Add max calls/per day|hour|minute configuration for throttling

    Now- any light ddos attack that Azure will not recognize- will affect me and my account. If I know that my service shouldn't receive more than 10000 calls per day, but I can't setup limits on incoming requests.

    "Daily Usage Quota (GB-Sec)"- not bad idea, but it's something internal and synthetic for me. Call/per day- is much more native metrics for users.

    85 votes
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    10 comments  ·  Flag idea as inappropriate…  ·  Admin →

    Moving this work item to unplanned, as it is clear that this request is no for a global throughput limit.

    We do now offer the ability to limit your maximum instances in the Premium plan, which will allow you to avoid swamping downstream resources. https://docs.microsoft.com/en-us/azure/azure-functions/functions-premium-plan#plan-and-sku-settings

    We prioritized that above a max call per X limit, because our only control to limit throughput is to outright deny some number of requests above a threshold.

    Keep the feedback coming!
    Alex
    Azure Functions Team

  10. Trigger Azure Function From Table Storage

    Allow create, update and delete on a table storage row to trigger an Azure Function.

    71 votes
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    4 comments  ·  Flag idea as inappropriate…  ·  Admin →
  11. Support for R

    Are there any plans to support R scripts in the future?

    62 votes
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    17 comments  ·  Flag idea as inappropriate…  ·  Admin →
  12. 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).

    61 votes
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    10 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  13. Handle Storage Queue/Service Bus messages in batches

    I want to be able to handle multiple messages per function call - we are using a third-party web service which works much more efficiently if the messages are passed to it in batches. I know we could use a timer to trigger the function and grab messages from the queue ourselves but if we do that the function won't scale out automatically.

    61 votes
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    3 comments  ·  Flag idea as inappropriate…  ·  Admin →
  14. Allow running headless Chrome (or other browser) in Function apps or Web apps

    Basically it's this:
    https://cloud.google.com/blog/products/gcp/introducing-headless-chrome-support-in-cloud-functions-and-app-engine

    Now obviously Google has a bit of an advantage here what with Chrome being their own tech but there are so many blogs out there with people talking about complicated Docker solutions just to run headless Chrome in the cloud.

    It would be great if we could get a solution where we could run Puppeteer in much the same way, or allow web apps to run Chrome without having to be inside Docker and we could manage a pool of Chromes without having to manage Docker as well.

    60 votes
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    1 comment  ·  Runtime  ·  Flag idea as inappropriate…  ·  Admin →

    Headless Chrome requires some libraries to be installed that aren’t available in the containers we use in Linux consumption. You can, however, run your function app in a Docker container with the libraries installed. Custom containers are currently supported in the Premium and App Service plans. Take a look at this example from a community member of a Dockerfile with the dependencies: https://github.com/estruyf/azure-function-node-puppeteer/blob/master/Dockerfile

    - Anthony

  15. 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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    0 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  16. Should support trigger for Azure Files

    This would make hybrid integration scenarios for customers with no IT trivial, anybody can drop a file in a share.

    55 votes
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    4 comments  ·  Flag idea as inappropriate…  ·  Admin →
  17. 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…

    43 votes
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    3 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →
  18. Allow moving Function from Consumption to Service Plan

    Currently if you deploy your function on a consumption plan there is no way to move it to an existing Service Plan like any other App Service.
    You would need to delete the existing one and redeploy it..

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

    Quick update here – with the announcement of the premium plan we do support moving from consumption to a premium plan. Today this may not work for all consumption apps in a region only because some consumption apps may exist in a “webspace” that doesn’t yet have premium turned on. That said we have CLI commands rolling out in the next few weeks to make this seamless.

    Moving to app service plan is a bit trickier as the actual code often lives in a different place on an app service plan (app service local storage) than where consumption needs them (azure storage files) – so moving may not work and currently don’t have any immediate plans to do like “code migration” in addition to changing plans.

    You can see a sample of moving plans between apps in this sample here as well: https://github.com/Azure-Samples/functions-csharp-premium-scaler

    -
    Jeff

  19. Function App Service support for Azure B2C

    If I build a web app using Azure B2C for authentication, I'd like to use it as the authentication provider for Azure Functions too. Although I can set up the same providers, using B2C would be cleaner and enable me to support users with local logins (traditional username and password) too.

    42 votes
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    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
  20. Zip deploy Functions with app level credentials instead of user credentials

    Right now you if you want to use zip deploy you need to use user credentials, those can be used to deploy any function anywhere in your tenant. Not really the best way to handle DTAP. Would be nice if you could also the app level credentials which do work for the other deployment options.

    39 votes
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    4 comments  ·  Flag idea as inappropriate…  ·  Admin →
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