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. Connecting to PostgreSQL Database hosted in Azure (Linux + Python)

    Azure Functions Bindings works with Azure Cosmo DB, but as of now there is no way to create a Function that writes to a PostgreSQL db stored in Azure. Locally, I can just use Psycopg2 in Python to connect, but this isn't possible without creating a custom container with libpq-dev (for pg_config).

    1 vote
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  2. Timer Trigger CRON interpreted per WEBSITE_TIME_ZONE for Linux Service Plans

    I'd like timerTrigger and WEBSITE_TIME_ZONE app setting to work on Function Apps hosted on Linux Service Plans as described in https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-timer#ncrontab-time-zones

    I've set WEBSITE_TIME_ZONE app setting to "Eastern Standard Time"; however, it continues to interpret CRON expression as UTC, even after restart of Function App. I expect this works fine on Windows based Service Plans; however, this does not seem to be working on Linux based plans.

    See attached pics. CRON is "schedule": "0 30 15 * * 1-5", but triggers at 11:30am EST.

    1 vote
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  3. Add publish settings option for deploy

    When deploying Azure Funciton to different environments, the app settings may be various. For example, appsettings.dev.json for development environment and appsettings.prod.json for production environment. Would it be possible to add an option to determine which appsetting to use to deploy?

    1 vote
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  4. Add error for missing application setting

    Function apps do not show an error when you try to reference an application setting that is not there (or variable misspelled), it returns an empty string. This can lead to local testing functioning properly because the local.settings.json is complete, and then unclear breakages once published to Azure, especially if you are passing that setting on to an API that doesn't have verbose error output.

    At the very least the app should output a warning that it is returning an empty string because application setting X does not exist.

    1 vote
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  5. Do not set WEBSITE_CONTENTSHARE in marketplace, GitHub, and auto-generated ARM templates

    At the moment WEBSITE_CONTENTSHARE is set automatically on ARM templates for functions produced by the Azure Marketplace and also by templates exported via the "Export Template" function.

    According to support case 119071321000245 it is not best practice to set this setting and setting it (either as a slot setting or a global setting) can have unforeseen effects.

    Please refer to the support case for the detail and adjust documentation and sample templates accordingly.

    1 vote
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  6. Display next run time for Timer Trigger Functions

    quite simple really, it would be nice to have the next 5 run times for a timer function in the Azure Portal.

    Under the Integrate section would probably make the most sense as that is where the schedule is stored.

    1 vote
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  7. Add support for calling unmanaged Win32 DLLs

    There are many, many legacy system DLLs out there and many would benefit from a migration to Azure Functions. Perhaps add a DLL Importer and read the exported methods and automatically map to explicit Functions.

    1 vote
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  8. Enable hosting functions programmatically in .NET Core

    ASP.NET Core Web APIs can be easily hosted programmatically by using TestServer or IWebHost.Run(). It seems though that for functions the only way is to use func CLI via System.Diagnostics.Process (see https://blog.kloud.com.au/2018/11/08/integration-testing-precompiled-v2-azure-functions/).

    Please enable hosting functions programmatically.

    1 vote
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  9. disabled function

    A colleague of mine disabled one timer triggered function on the host.json file, for testing purposes, and then forgot to re-enable it.

    I spent over one hour until I realised it.

    There should be an indicator in the portal warning if a function is disabled.

    1 vote
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  10. Allow service bus trigger queue name to come from application environment

    The queue name to trigger off of is hardcoded in the function.json file. However, it would be extremely useful if this string could also be interpreted as the name of an environment variable in the application settings.

    When using terraform (for example) to construct multiple environments, the queue name is different for each, and is not known until the cloud resources are instantiated. This requires a deployment package per environment that hardcodes the queue name, and requires an extra deployment step after the terraform apply.

    1 vote
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  11. Use a more unique query param than "code"

    I ran into an issue with an Oauth redirect because the Oauth provider (Kloudless) was also using the code query param for the Oauth redirect. Since the function required this query param I was not able to get the code sent by Kloudless to get an access token. Therefore, I had to just make the function anonymous, since there is no way for me to have Kloudless send it in the headers( I have no control over that). The query param Azure uses for authentication should not be such a vanilla query param. It should at least be like ms-code…

    1 vote
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    0 comments  ·  Bindings  ·  Flag idea as inappropriate…  ·  Admin →
  12. CosmosDB Output bindings should have an option to prevent overwriting a document that changed while the function was executing.

    Currently if you have an Azure function with CosmosDB input and output bindings (with the intent to process and update a document) there is no way to specify that the document should not be overwritten if it was changed (by another entity) between the time the function was invoked and the time it completes and performs the CosmosDB output binding document update operation. That makes the use of input and output bindings together in a single function pretty much worthless for processing and updating a document. The function should return a 409 Conflict error if the etag on the document…

    1 vote
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  13. python support for durable function

    As far as I can see durable function is supported only for C#. It would be nice to have a python based azure function orchestrator.

    Or is there a way to orchestrate python based Azure function using C# durable function or is this a stupid question :P

    1 vote
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  14. Display functions in an Function App in alphabetical order

    In the portal, when looking at the list of functions in a function app, sort them by name.

    2 votes
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  15. Question regarding Test framework

    Hi guys,

    I would like to ask what's reason xUnit Framework was chosen to demonstrate how to write test for Azure Functions.

    Would you please share what the consideration behind.

    1 vote
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  16. Add Event Domain or Event Grid output binding

    Add Event Domain or Event Grid output bindings to azure functions

    1 vote
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  17. 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.

    3 votes
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    0 comments  ·  Bindings  ·  Flag idea as inappropriate…  ·  Admin →
  18. Function App subnet with NSG and/or routing table integration

    It would be great to allow Functions integration with subnet that has defined routing table and / or network security group.

    1 vote
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  19. UDR Support for VNET Integrated Function Apps

    Function Apps that are VNET integrated require a dedicated subnet. The Subnet that is allocated does not currently support UDR. Without the UDR Support we cant route this traffic through a fIrewall appliance for on-premise connectivity.

    1 vote
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  20. Profiler support for .Net Core Azure Functions

    I would like to be able to profile a .Net Core Azure Function such that I can see a breakdown of how long each method invocation takes within the call stack so I can optimise any bottlenecks.

    7 votes
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