public void RoundTrip()
{
Uri uri = new Uri("sb://www.bing.com");
string ehName = "eventHub";
string identity = Guid.NewGuid().ToString();
var newUriString = ManagedIdentityUriHelper.BuildString(uri, ehName, identity);
ManagedIdentityUriHelper.TryParseForManagedIdentity(newUriString, out Uri? eventHubNamespaceUri, out string?foundEventHubName, out string?foundManagedIdentityId)
.Should().BeTrue();
eventHubNamespaceUri.Should().Be(uri);
foundEventHubName.Should().Be(ehName);
foundManagedIdentityId.Should().Be(identity);
}
/// <inheritdoc />
protected override async Task <BoolResult> StartupCoreAsync(OperationContext context)
{
await base.StartupCoreAsync(context).ThrowIfFailure();
// Retry behavior in the Azure Event Hubs Client Library is controlled by the RetryPolicy property on the EventHubClient class.
// The default policy retries with exponential backoff when Azure Event Hub returns a transient EventHubsException or an OperationCanceledException.
if (ManagedIdentityUriHelper.TryParseForManagedIdentity(_configuration.EventHubConnectionString, out Uri eventHubNamespaceUri, out string eventHubName, out string managedIdentityId))
{
// https://docs.microsoft.com/en-us/dotnet/api/overview/azure/service-to-service-authentication#connection-string-support
var tokenProvider = new ManagedIdentityTokenProvider(new AzureServiceTokenProvider($"RunAs=App;AppId={managedIdentityId}"));
_eventHubClient = EventHubClient.CreateWithTokenProvider(
eventHubNamespaceUri,
eventHubName,
tokenProvider);
}
public void ConcreteExample()
{
string uri = "sb://yourEventHubNamespace.servicebus.windows.net";
string identity = "my-identity-guid";
string eventHubName = "eventHubName";
ManagedIdentityUriHelper.TryParseForManagedIdentity(
$"{uri}/?name={eventHubName}&identity={identity}",
out Uri? foundEventHubNamespaceUri,
out string?foundEventHubName,
out string?foundManagedIdentityId)
.Should().BeTrue();
foundEventHubNamespaceUri.Should().Be(uri);
foundEventHubName.Should().Be(eventHubName);
foundManagedIdentityId.Should().Be(identity);
}
