Service bus emulator broken

[sebastienros]

          @sebastienros  I've pulled the latest nighly version of Aspire, I've created a very basic [sample repo](https://github.com/kyurkchyan/AspireSample) with aspire starter template and used the new `RunAsEmulator` extension method

var serviceBus = builder.AddAzureServiceBus("ServiceBus")
    .RunAsEmulator()
    .ConfigureInfrastructure(infra =>
    {
        var resources = infra.GetProvisionableResources();
        var serviceBus = resources.OfType<ServiceBusNamespace>().Single();
        serviceBus.Name = GetResourceName("asb", infra);
    })
    .WithTopic("aspire",
        topic => { topic.Subscriptions.AddRange([new ServiceBusSubscription("TestSubscription")]); });

When I run the project both on Mac and Windows, I receive the following exception

Unhandled exception. System.ArgumentException: Bind mounts must specify an absolute path. (Parameter 'source')
   at Aspire.Hosting.ApplicationModel.ContainerMountAnnotation..ctor(String source, String target, ContainerMountType type, Boolean isReadOnly) in /_/src/Aspire.Hosting/ApplicationModel/ContainerMountAnnotation.cs:line 33
   at Aspire.Hosting.AzureServiceBusExtensions.<>c__DisplayClass7_0.<RunAsEmulator>b__2(BeforeStartEvent event, CancellationToken ct) in /_/src/Aspire.Hosting.Azure.ServiceBus/AzureServiceBusExtensions.cs:line 351
   at Aspire.Hosting.Eventing.DistributedApplicationEventing.<>c__DisplayClass4_0`1.<<Subscribe>b__0>d.MoveNext() in /_/src/Aspire.Hosting/Eventing/DistributedApplicationEventing.cs:line 82
--- End of stack trace from previous location ---
   at Aspire.Hosting.Eventing.DistributedApplicationEventing.PublishAsync[T](T event, EventDispatchBehavior dispatchBehavior, CancellationToken cancellationToken) in /_/src/Aspire.Hosting/Eventing/DistributedApplicationEventing.cs:line 69
   at Aspire.Hosting.DistributedApplication.ExecuteBeforeStartHooksAsync(CancellationToken cancellationToken) in /_/src/Aspire.Hosting/DistributedApplication.cs:line 351
   at Aspire.Hosting.DistributedApplication.RunAsync(CancellationToken cancellationToken) in /_/src/Aspire.Hosting/DistributedApplication.cs:line 310
   at Program.<Main>$(String[] args) in /Users/gagik/Documents/Projects/Learning/Aspire/AspireSample/AspireSample.AppHost/Program.cs:line 37
   at Program.<Main>(String[] args)

Is there any extra configuration that should be done to integrate the emulator support?

Originally posted by @kyurkchyan in #6737 (comment)

[sebastienros]

@kyurkchyan would you be able to share the value of

Console.WriteLine(builder.CreateStore().BasePath);

after redacting any private information if necessary.
This path should be absolute so I'd like to understand how you are getting this error.

[sebastienros]

Once we find out this value, as a mitigation you can set it to an absolute path of your choice (like a temp folder) in the environment variable named ASPIRE__STORE__PATH or in the app configuration under the Aspire:Store:Path section.

[kyurkchyan]

@sebastienros it's outputting obj/.aspire. Tomorrow I will try to set the configuration explicitly to some existing path. Out of curiosity, can you please explain what that variable is? To which store does it refer to?

[sebastienros]

This is similar to how the secrets store works, but instead of storing data in the local temp folder it ties it to the AppHost ./obj folder. This is used to store data that needs to be reused across runs, right now only for the Persistent containers.

As I was trying to point you to where this value is set at build time (detecting the obj folder) I am wondering why I can't find the file in the repos. Investigating...

Update: It's just GH that ignores the /build folders

https://github.com/dotnet/aspire/blob/main/src/Aspire.Hosting.AppHost/build/Aspire.Hosting.AppHost.in.targets#L245-L252

[sebastienros]

Fixed in #7513

[kyurkchyan]

Thanks a lot @sebastienros , I pulled the latest nightly build and the issue was resolved

[feritzcan2]

@kyurkchyan @sebastienros
I'm using those versions but not working for me, is it correct? 9.2.0-preview.1.25116.1

<PackageVersion Include="Aspire.Hosting.Azure.ServiceBus" Version="9.2.0-preview.1.25116.1" />
<PackageVersion Include="Aspire.Azure.Messaging.ServiceBus" Version="9.2.0-preview.1.25116.1" />