Add overload to AddAzureBlobStorage to supply your own BlobServiceClient from delegate

[willadsen]

BlobServiceClient

What this PR does / why we need it:
If the application needs to monitor a BlobServiceClient which is registered ie. using named instances (see https://learn.microsoft.com/en-us/dotnet/azure/sdk/dependency-injection)

builder.Services.AddAzureClients(clientBuilder =>
{
    clientBuilder.AddBlobServiceClient(builder.Configuration.GetSection("PublicStorage"));
    clientBuilder.AddBlobServiceClient(builder.Configuration.GetSection("PrivateStorage"))
        .WithName("PrivateStorage");
});

then this PR tries to solve that issue by overloading the AddAzureBlobStorage extension method with a Func<IServiceProvider,BlobServiceClient> function argument to be able to supply your own way of resolving the BlobServiceClient instance.

Which issue(s) this PR fixes:
No issue created, should I make one?

Special notes for your reviewer:

Does this PR introduce a user-facing change?:
Only if the user should wish to use these new methods

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Unit tests passing
• End-to-end tests passing
• Extended the documentation
• Provided sample for the feature

[willadsen]

@dotnet-policy-service agree company="TrackMan"

…

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[sungam3r]

@willadsen Thanks. I'm fine to merge after updating API approval file.

[cieciurm]

Hi @willadsen,

Are you planning to finish up this PR this week?
I see there is very small changes required. Perhaps you could make it? 😄

[willadsen]

Hi @willadsen,

Are you planning to finish up this PR this week?

I see there is very small changes required. Perhaps you could make it? 😄

Unfortunately no, as I am on vacation. It'll be a couple of weeks until I will be able to complete the PR. Feel free to complete it 😎

[sungam3r]

Superseded by #1889.