SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 62: DAQ NN/ML – GRID II

T 62.5: Vortrag

Mittwoch, 22. März 2023, 16:50–17:05, HSZ/0301

Containerization of the ATLAS HammerCloud setup — •Benjamin Rottler, Michael Böhler, and Markus Schumacher — Universität Freiburg

HammerCloud (HC) is a testing service and framework for continuous functional tests, on-demand large-scale stress tests, and performance benchmarks. It checks the computing resources and various components of distributed systems with realistic full-chain experiment workflows.

The current deployment setup based on RPMs allowed a stable deployment and secure maintenance over several years of operations for the ATLAS and CMS experiments. However, the current model is not flexible enough to support an agile and rapid development process. Furthermore, we wanted to be more independent of software versions that are provided by the package manager of the host system.

Therefore, we have decided to use a solution based on containerization, and switched to industry-standard technologies and processes. Having an "easy to spawn" instance of HC enables a more agile development cycle and easier deployment. With the help of such a containerized setup, CI/CD pipelines can be integrated easily into the automation process as an extra layer of verification. Furthermore, the container-based setup allows for quick onboarding of new team members, as developers can now work locally with a quick turnaround without the need to set up a production-like environment first.

In this talk we present the container-based setup for HammerCloud and discuss the process that led to our containerized solution.