matei-tm / AzureServiceBus-ErrorHandling

Azure Service Bus Error Handling demo

• Azure Service Bus Error Handling demo
  • Purpose: to be a hands-on demo for explicit dead-lettering.
  • Credits
  • Changelog
  • Branches
    • servicebus
    • master
  • Usage
    • Prerequisites
    • MicrosoftAzureServiceBusDemo.slnf
    • MassTransitDemo.slnf
    • AzureFunctionDemo.slnf
      • Healthy message
      • Poison message
      • Message with timeout
      • Message with processing error

Purpose: to be a hands-on demo for explicit dead-lettering.

The current repo is derived from the demo provided by Alan Smith in the Pluralsight course "Azure Service Bus In-depth".

Credits

Alan Smith - Original Source code: https://github.com/asith-w/azure-service-bus-in-depth/tree/master/09/demos/ErrorHandling

Changelog

Diff changelog against original source code:

• the code was migrated to .NET5 with minor changes
• renaming and reorganizing the projects
• some updates for deferred messages
• some updates on the sender
• minor refactoring to better capture the scope of the demo
• added new demo with Console app with Mass Transit on top of Azure Service Bus Topics
• branch master: added new demo with AF on Azure Queue Storage
• branch servicebus: added new demo with AF on Azure Service Bus Topics

Branches

servicebus

• demo with Console app with on Microsoft.Azure.ServiceBus on Azure Service Bus Queue
• demo with Console app with Mass Transit on top of Azure Service Bus Topics
• demo with AF on Azure Service Bus Topics

master

• demo with Console app with on Microsoft.Azure.ServiceBus on Azure Service Bus Queue
• demo with Console app with Mass Transit on top of Azure Service Bus Topics
• demo with AF on Azure Queue Storage

Usage

Prerequisites

An Azure Service Bus endpoint with a key with management access (MicrosoftAzureServiceBusDemo.slnf and MassTransitDemo.slnf are creating the queue and topics unattended)

Note: The AzureFunctionDemo.slnf does not create the topic unattended and needs the following prerequisites:

• An existing topic named conferences
• An existing subscription named mysubscription with a Lock duration of 10 seconds

MicrosoftAzureServiceBusDemo.slnf

Demo with Console app with on Microsoft.Azure.ServiceBus on Azure Service Bus Queue

Change the ConnectionString in Settings.cs with your values. Build. Run/Debug.

MassTransitDemo.slnf

Demo with Console app with Mass Transit on top of Azure Service Bus Topics

Change the ConnectionString in Settings.cs with your values. Build. Run/Debug.

AzureFunctionDemo.slnf

Demo with Azure Functions on Azure Service Bus Topics

Change the key AzureWebJobsServiceBus in local.settings.json with your values. Build. Run/Debug.

Use Powershell (or Postman) to call the http endpoint exposed by AzureFunctionSender

Healthy message

Simulates a healthy message

iwr -Method POST -Uri http://localhost:7071/api/ConferenceAnnouncement -Headers @{"Content-Type"="application/json"} -Body '{ "ConferenceId":"100", "RoomName":"Atica"}'

Poison message

Simulates a poison message with a handled, specific, exception

iwr -Method POST -Uri http://localhost:7071/api/ConferenceAnnouncement -Headers @{"Content-Type"="application/json"} -Body '{ "ConferenceId":"101", "RoomName":"Chemical"}'

Message with timeout

Simulates a resource with delayed answer

iwr -Method POST -Uri http://localhost:7071/api/ConferenceAnnouncement -Headers @{"Content-Type"="application/json"} -Body '{ "ConferenceId":"102", "RoomName":"Lazy"}'

Message with processing error

Simulates a message that raise an exception handled under the generic catch

iwr -Method POST -Uri http://localhost:7071/api/ConferenceAnnouncement -Headers @{"Content-Type"="application/json"} -Body '{ "ConferenceId":"103", "RoomName":"Phantom"}'