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Modern Data Center Systems Seminar - OpenWhisk DSM Demo

example workflow

⚠️ You need Docker and our OpenWhisk fork to run this demo

❌️ OSX/Windows are not supported, run on x86 Linux

Demo Setup

system_diagram

Machine 1:

  • synchroniser
  • writer (in OpenWhisk)

Machine 2:

  • synchroniser
  • reader (in OpenWhisk)

Synchronisation server (you can use http://85.214.75.108:5000):

  • synchronisation server (Flask)

Demo video

Demo video

OpenWhisk setup

Install and run our OpenWhisk fork

git clone https://github.com/espirin/openwhisk-shm
cd openwhisk-shm
./gradlew core:standalone:bootRun

Install WSK (OpenWhisk CLI). Then unzip it and add wsk to your $PATH.

wget https://github.com/apache/openwhisk-cli/releases

Create OpenWhisk actions

wsk action create reader --docker nitrotube/python39_runtime reader.py
wsk action create writer --docker nitrotube/python39_runtime writer.py

How to run

🌍 Synchroniser:
docker build -f Dockerfile.synchroniser --network host -t synchroniser .
docker run --rm --name synchroniser -v /dev/shm:/dev/shm -it --network host synchroniser
✍🏻 Writer:
wsk action invoke --result writer --param seconds 10
👓 Reader:
wsk action invoke --result reader --param seconds 10

Preferred starting order: writer, synchroniser, reader.

🖥 Synchronisation server:

There's already a demo server running at http://85.214.75.108:5000. You can use it for tests.

If you want to set up your own server:

Run synchronisation server in venv instead of Docker to avoid setting up Nginx. Replace /path/to/venv/bin/python with path to your venv/vin/python.

Don't forget to change SYNCHRONISATION_SERVER_URL in config.py if you run your own synchronisation server.

python3 -m venv venv
source venv/bin/activate
pip3 install -r requirements.txt
sudo /path/to/venv/bin/python synchronisation_server.py

👨‍🎓 2022 TUM - Modern Data Center Systems Seminar