Not able to set AzureWebJobsDashboard and AzureWebJobsStorage from KeyVault

Description

I want to set the connection string for AzureWebJobsStorage from Key Vault instead of picking from appSettings.json > connectionStrings > AzureWebJobsStorage.

I don’t want to load this from Azure Cloud Configuration either.

Repro steps

I tried using the InMemory configuration and Environment.SetEnvironmentVariable to provide the connection strings as below:

1. InMemory configuration

var builder = new HostBuilder() `` .ConfigureHostConfiguration(b => { b.AddInMemoryCollection(new Dictionary<string, string> { { “ConnectionStrings:AzureWebJobsDashboard”, storageConnString}, { “ConnectionStrings:AzureWebJobsStorage”, storageConnString}, }); })

2. Setting Environment Variable

Environment.SetEnvironmentVariable(“AzureWebJobsDashboard”, storageConnString); Environment.SetEnvironmentVariable(“AzureWebJobsStorage”, storageConnString);

#### Actual behavior
I get the following error if I do not add the config key "AzureWebJobsDashboard" in appSettings.json, or set it as empty/null.
`ArgumentNullException: Value cannot be null. (Parameter 'connectionString')`



Provide any related information 

* Package version
* Links to source

[abhishek-msft]

Yes,I used the solution by @mohsinonxrm above.

[abhishek-msft]

Looks neat!

Get Outlook for Androidhttps://aka.ms/ghei36

---

From: mohsinonxrm [e-mail] Sent: Thursday, October 22, 2020 7:34:41 AM To: Azure/azure-webjobs-sdk [e-mail] Cc: Abhishek Kumar Mishra [e-mail]; Mention [e-mail] Subject: Re: [Azure/azure-webjobs-sdk] Not able to set AzureWebJobsDashboard and AzureWebJobsStorage from KeyVault (#2523)

@abmis-mihttps://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fabmis-mi&data=04|01|Abhishek.Mishra%40microsoft.com|f18572cca84444da2fc908d8762ed70e|72f988bf86f141af91ab2d7cd011db47|0|0|637389290843047108|Unknown|TWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D|1000&sdata=5hLuQgcaqwBIefWXXma5xskcX0YVDoV0PX1VHoGTUW4%3D&reserved=0 , here’s how I got it to work `builder.ConfigureHostConfiguration(configuration => { configuration.AddJsonFile(“appsettings.json”, false); var builtConfig = configuration.Build();

        var azureServiceTokenProvider = new AzureServiceTokenProvider();
        var keyVaultClient = new KeyVaultClient(
            new KeyVaultClient.AuthenticationCallback(
                azureServiceTokenProvider.KeyVaultTokenCallback));

        var kvUrl = $"https://{builtConfig.GetValue<string>("KeyVaultName")}.vault.azure.net/";

        if (!string.IsNullOrEmpty(kvUrl))
        {
            configuration.AddAzureKeyVault(new AzureKeyVaultConfigurationOptions { Client = keyVaultClient, Vault = kvUrl });
        }
    });`

That’s it!

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