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. Move from Python 3.6 to Python 3.7 for Azure Functions v2

    On python.org, the release notes for the latest 3.6.8 release state:

    Python 3.6.8 is planned to be the last bugfix release for 3.6.x. Following the release of 3.6.8, we plan to provide security fixes for Python 3.6 as needed through 2021, five years following its initial release.

    It seems weird to choose a Python version branch for Azure Functions that will not receive any more bugfix releases ever.

    Can the Python version be bumped to 3.7 to fix that?

    Thanks,

    Tobias Weisserth

    4 votes
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    0 comments  ·  Feature  ·  Flag idea as inappropriate…  ·  Admin →

    Thank you for your feedback. We’re currently working on building support for the advanced features introduced in Python version 3.7 (e.g. enabling you to leverage data classes for triggers and bindings).

    We plan to release this soon after the GA milestone.

  2. local settings json

    Add the ability to create a template local.settings.json file in the dev tooling for VSCode and Visual Studio. Since local.settings is git-ignored by default, when a developer clones down a repo they often have to re-create a local.settings.json file. To do this it involves simply creating a bare json file and hand-coding the right schema/values. It would improve developer productivity to add a "New local settings file..." option to the dev tooling which creates the same skeleton file a dev is given in a new function project.

    2 votes
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  3. openId connect plugin / guidance

    In MVC, we have Microsoft OpenId Connect / Owin to secure the application using Hybrid flow with a Single Page Application on the front end.

    The request is to have capabilities to move from MVC SPA (self hosted VM) to Serverless (Azure blob + Azure function as backend) to do Hybrid flow authentication.

    1 vote
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  4. Geo-availability integration a la CosmosDB for Consumption Plan

    For Functions in a Consumption Plan, it's a bit arduous to get them to be geo-distributed (have to set up deployment to all the various regions you want to support, add APIM/Traffic Manager to handle). It would be _super_ awesome if Functions had a setup like CosmosDB where you deployed them once, then "lit up" the geos you want the code replicated to. Then, not too much different than the request in #214 , an "invisible" Traffic Manager service could be provided on the endpoint for the Function to hit the nearest geo to the end user.

    2 votes
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  5. Support for "delete" DocumentDB Change Feed Trigger

    Currently there is support for DocumentDB Change Feeds which only trigger for Insert and Update changes, however there is no way of picking up Delete changes to a collection

    My use case has a real-time web application which relies on these change triggers to update the User Interface through Web Sockets that a change to a document/collection has taken place, at the moment I am having to implement this manually through a delete API call but that does not solve the problem if a document is manually deleted at source (for example).

    A Delete of a document (IMHumbleO) is as…

    2 votes
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  6. Add ability to restrict deployment from dev environments

    I recently created a new function app in our team's tenant to handle some custom monitoring. Now that I'm done prototyping it and have it in a workable state, I've created an Azure DevOps build and release to handle publishing the app.

    I need to do this, rather than simply use the CD from git branch option, because I'm using Typescript (currently unsupported), and need to install both node_modules and extensions for the app (because the app won't perform those steps itself based on package.json or extensions.csproj)

    While the pipeline now works, I can't find a way to lock down…

    1 vote
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  7. Add documentation and guidelines to test Java Functions

    Currently there are documentation exists on testing java functions. Nice to have a document explaining how to unit test and perform integratioin test on various java functions(bindings)

    1 vote
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  8. Manage Function Proxies using the Azure REST API

    Similar to how functions work, it would be useful if we can programmatically manage Proxies within Functions using the Azure REST API.

    https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/proxies

    7 votes
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  9. Code-To-Function - Specify git location for the function code.

    Code-To-Function is idea similar to the Code-To-Container when where Azure function has only pointer to the function code git location.

    Additional features could -"well known branches" where master is associated with prod and trunk with pre-prod deployment slots.

    The failure of the exxecutin would configurably create an issue in the Git

    1 vote
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  10. certificate

    Can Azure Functions support SSL certificate for consumption plan?
    I found on https://docs.microsoft.com/en-us/azure/azure-functions/scripts/functions-cli-configure-ssl-certificate that "To bind an SSL certificate, your function app must be created in an App Service plan and not in a consumption plan."

    1 vote
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  11. Offer ability to train a Neural Network Model using Azure Functions with GPU

    Offer ability to train a Neural Network Model using Azure Functions with GPU. this will be very useful, especially if you want to train Models using different parameters or hyper-parameter optimization.

    1 vote
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  12. 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…

    20 votes
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  13. Scala support for Azure Functions

    The Java worker for Functions allows Scala to be exectured in Functions relatively easily. It would be great to see Microsoft support Scala as they do Java with MSFT endorced build and deploy practices.

    See post here seeing how easy it is to deploy manually https://monteledwards.com/2018/10/07/deploying-scala-code-on-azure-functions/

    3 votes
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  14. 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.

    93 votes
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    2 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

  15. Set environment variable override for AuthorizationLevel.Function key

    When running within the Azure Functions Runtime inside of a Docker container, we can't use AuthorizationLevel.Function as there is no way to retrieve the key from the runtime. It'd be great if we could directly set a function key in our compose.yml as an environment variable. For deployment, we just leave the environment variable blank and the App Service can set the keys.

    Related SO question:
    https://stackoverflow.com/questions/52174892/how-to-set-authorzationlevel-per-an-environment-condition-when-running-csproj-fu

    12 votes
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  16. EventHub Trigger filtering based on properties

    It would be great to be able to provide a filtering expression in the binding of an eventHubTrigger. Using this I could configure my function to only be invoked for certain events that match the filter. For example, I store a property called "eventType" in the application properties of each event. My function is potentially only interested in events of one or more specific types. Currently I code this logic into the function, which works fine. However, it counts as an unnecessary invocation and increases the cost. Ideally the filtering would take place in the host and not incur a…

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

    Unsure on this one but marking as unplanned. The filtering would also have to happen at the client to preserve ordering. However even if we did the filtering before the execution it’s still consuming compute so I don’t think it makes sense for it to be “free.” Just because the trigger is doing filtering before execution wouldn’t necessarily negate the price aspect. And since filtering often has some custom parsing / decoding / conditions it’s almost better to do it in code.

    -
    Jeff

  17. Don't 'hardcode' the storage account connection string for the storage account that backs azure functions

    Currently each Function App has an application setting string "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING"which is a fixed (=hardcoded) connection string. This breaks when performing key rotation on the connection string and is opaque to diagnose since that setting is automatically setup by the portal UI/wizard.

    Can you instead just store the subscription ID and storage account name and then fetch the latest connection string for the storage account using the management API? This will make sure that the function app survives storage account key rotations

    16 votes
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  18. Azure auth populate request.user

    When using the azure auth over functions, specifically those that take a http trigger, it would be great if it would populate the request.user in a similar way you can do using node.js and passport (https://github.com/Azure-Samples/active-directory-b2c-javascript-nodejs-webapi/blob/master/index.js) rather than just providing some headers.

    This would make it much easier to work with authenticated users and interact with their information

    3 votes
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  19. 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..

    23 votes
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    1 comment  ·  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

  20. 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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