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.NET Order Processor

This contains the sources of the sample:

  • Keda.Samples.Dotnet.Contracts contains the message contracts
  • Keda.Samples.Dotnet.OrderGenerator is a utility that queues new orders to an Azure Service Bus Queue
  • Keda.Samples.Dotnet.OrderProcessor is a .NET Core 3.0 worker that processes orders from an Azure Service Bus Queue
  • Keda.Samples.Dotnet.OrderWeb is a ASP.NET Core 3.0 web app that visualizes the size of the service bus queue

Building & Running the sample locally on Docker

Build Docker container for order processor

❯ docker build . --tag keda-sample-dotnet-worker-servicebus-queue --file .\Keda.Samples.Dotnet.OrderProcessor\Dockerfile --no-cache

Run order processor locally

❯ docker run --detach --env KEDA_SERVICEBUS_QUEUE_CONNECTIONSTRING="<connection-string>" keda-sample-dotnet-worker-servicebus-queue
c6775c9383e56fc16da37b62ebbff0dc44d4019a53d282a1ef260a6d71022a32

Let's use the test orders via our OrderGenerator tool:

❯ dotnet run --project .\Keda.Samples.Dotnet.OrderGenerator\Keda.Samples.Dotnet.OrderGenerator.csproj
Let's queue some orders, how many do you want?
2
Queuing order 719a7b19-f1f7-4f46-a543-8da9bfaf843d - A Hat for Reilly Davis
Queuing order 5c3a954c-c356-4cc9-b1d8-e31cd2c04a5a - A Salad for Savanna Rowe
That's it, see you later!

Logs indicate orders are being processed

❯ docker logs c6775c9383e56fc16da37b62ebbff0dc44d4019a53d282a1ef260a6d71022a32
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Starting message pump at: 05/31/2019 09:03:21 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Message pump started at: 05/31/2019 09:03:21 +00:00
info: Microsoft.Hosting.Lifetime[0]
      Application started. Press Ctrl+C to shut down.
info: Microsoft.Hosting.Lifetime[0]
      Hosting environment: Production
info: Microsoft.Hosting.Lifetime[0]
      Content root path: /app
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Received message d457cb2218864f60a3873c8d083c5bf4 with body {"Id":"719a7b19-f1f7-4f46-a543-8da9bfaf843d","Amount":605837337,"ArticleNumber":"Hat","Customer":{"FirstName":"Reilly","LastName":"Davis"}}
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Processing order 719a7b19-f1f7-4f46-a543-8da9bfaf843d for 605837337 units of Hat bought by Reilly Davis at: 05/31/2019 09:03:22 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Order 719a7b19-f1f7-4f46-a543-8da9bfaf843d processed at: 05/31/2019 09:03:24 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Message d457cb2218864f60a3873c8d083c5bf4 processed at: 05/31/2019 09:03:24 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Received message f2fc0aae896249659bb921416886060c with body {"Id":"5c3a954c-c356-4cc9-b1d8-e31cd2c04a5a","Amount":1026689653,"ArticleNumber":"Salad","Customer":{"FirstName":"Savanna","LastName":"Rowe"}}
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Processing order 5c3a954c-c356-4cc9-b1d8-e31cd2c04a5a for 1026689653 units of Salad bought by Savanna Rowe at: 05/31/2019 09:03:24 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Order 5c3a954c-c356-4cc9-b1d8-e31cd2c04a5a processed at: 05/31/2019 09:03:26 +00:00
info: Keda.Samples.Dotnet.OrderProcessor.OrdersQueueProcessor[0]
      Message f2fc0aae896249659bb921416886060c processed at: 05/31/2019 09:03:26 +00:00