Introduction

This is a hand-on tutorial where concepts will be introduced in steps.

At the end of each step there will be a summary slide with an exercise which gives you time to try out the new concept.

Resources

Slides

https://ewoksfordevs.readthedocs.io

Ewoks Documentation

https://ewoks.readthedocs.io

Tutorial Resources

git clone https://gitlab.esrf.fr/workflow/ewokstutorials/ewoksfordevs

• jupyter notebook that generated these slides
• results directory with the results of all exercises
• links to the slides in PDF format in the README

When to use Ewoks

• Online data processing / beamline automation (Bliss, Daiquiri or MXcube)
• Make data processing reproducible, repeatable and traceable
• Ewoks takes care of location (beamline computer, Slurm, user at home, ...)
• Ewoks takes care of integration (beamline acquisition, upload results to the data portal, ...)
• Libraries/scripts/notebooks that are ewoksified can be used by all Ewoks users

Program

Part 1: Ewoks workflows

• Ewoks workflow definition
• Create workflows
• Execute workflows
• Workflows GUI

Part 2: Ewoks Tasks

• Create workflow tasks
• Use new tasks in the GUI
• Use third-party task libraries

Part 3: Ewoks Integration

• Remote execution
• Slurm execution
• Online data processing in Bliss

Part 4: Final remarks

• Ewoks features not covered
• Deploy software on Slurm

Part 1: Ewoks Workflows

• Ewoks workflow definition
• Create workflows
• Execute workflows
• Visualize workflows (GUI)

Ewoks workflow definition