.NET5 Azure Function (isolated) User Secrets not working

Question

.NET5 Azure Function (isolated) User Secrets not working

Neil Thompson 1

Can anyone point me to an example of how to use user secrets with a .NET5 isolated function

Given the new project out-of-the-box example, how do I get PortalStorage:ConnectionString from user secrets?

note: If I run dotnet user-secrets list from the app root I can see the secrets ok

c#
public static void Run([QueueTrigger("queue-auditlog-dev", Connection = "PortalStorage:ConnectionString")] string myQueueItem,
            FunctionContext context)

Running the function

Microsoft.Azure.WebJobs.Host: Error indexing method 'Functions.Function1'. Microsoft.Azure.WebJobs.Extensions.Storage: Storage account connection string 'AzureWebJobsPortalStorage:ConnectionString' does not exist. Make sure that it is a defined App Setting.

I have no idea where it gets AzureWebJobsPortalStorage from when the Connection is passed PortalStorage:ConnectionString.

Neil Thompson 1 Reputation point

2022-04-07T12:12:12.313+00:00

I can get it to work with local.settings.json - but user secrets would be preferable

Gerhard KARL 0

For me UserScrets started working like in older .NET Versions
after adding "DOTNET_ENVIRONMENT": "Local"
in launchSettings.json.

    "ASPNETCORE_ENVIRONMENT": "Local" was not sufficient.

launchSettings.json:
    {
      "profiles": {
        "FunctionApp Local": {
          "commandName": "Project",
          "environmentVariables": {
            "ASPNETCORE_ENVIRONMENT": "Local",
            "DOTNET_ENVIRONMENT": "Local",
          }
        }
      }
    }

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Neil Thompson 1 Reputation point

2022-04-07T12:12:12.313+00:00

I can get it to work with local.settings.json - but user secrets would be preferable
Gerhard KARL 0 Reputation points

2023-08-30T11:02:31.4566667+00:00

For me UserScrets started working like in older .NET Versions after adding "DOTNET_ENVIRONMENT": "Local" in launchSettings.json. "ASPNETCORE_ENVIRONMENT": "Local" was not sufficient. launchSettings.json: { "profiles": { "FunctionApp Local": { "commandName": "Project", "environmentVariables": { "ASPNETCORE_ENVIRONMENT": "Local", "DOTNET_ENVIRONMENT": "Local", } } } }

Answer 1

MayankBargali-MSFT 70,941 Moderator

@Neil Thompson Thanks for reaching out. You would need Microsoft.Extensions.Configuration.UserSecrets package for your requirement. Not the official microsoft document but I found this third party article which can help you with the steps and source code. Let me know if it helps you.

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.NET5 Azure Function (isolated) User Secrets not working

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