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Creating blank BitSwan BSPump application

Prerequisites

  • python3
  • pip
  • docker

Install

Install required libraries:

$ pip install asab bspump

Clone git repository to your work directory:

$ git clone [email protected]:LibertyAces/BitSwanPump-BlankApp.git bspump-blank-app

Run in docker

Move to the directory (it is bspump-blank-app in our case):

$ cd bspump-blank-app

Then you can build your docker image:

$ docker build -t bspump-blank-app .

Once you have your docker image built, run it in a container:

$ sudo docker run -p 8888:8888 -p 8080:8080 bspump-blank-app

We use port 8888 for TCP Sink and 8080 for web handler in sample pipeline.

Test it works

In new terminal use netCat to connect to TCPSink:

nc -v localhost 8888

Now write any message, "test" for example. You should see your message enriched in docker container stderr.

Or you can try it out using http endpoint. Just call

http://localhost:8080/blank?message=test

Customize

From here you should have your BSPump application up and running. You may go on and customize it to your needs. Basic pipline structure is defined in pipeline init:

    self.build(
        bspump.socket.TCPSource(app, self, config={"host": "0.0.0.0", "port": 8888}),
        ShakespeareanEnricher(app, self),
        bspump.common.PPrintSink(app, self, stream=sys.stderr)
    )

You can see the TCPSource at the beginning, followed by any number of processors, ending with sink. To customize the pipline simply replace any part of it by your own alternative.

You can find more information about available sources, sinks and processors at https://github.com/LibertyAces/BitSwanPump