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October 12, 2021
Los Angeles, California + Virtual
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IMPORTANT NOTE: Timing of sessions and room locations are subject to change through Monday, September 13 due to schedule changes that will be made as speakers finalize whether speaking in person or virtually.
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Tuesday, October 12 • 9:20am - 9:50am
A Multi-Cluster, Multi-Cloud Infrastructure with GitOps at CERN - Ricardo Rocha, CERN

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CERN relies on a large distributed infrastructure to store and analyze the multiple petabytes of data coming out of its experiments every year.  In the last few years two important trends have been changing the way we manage our infrastructure: kubernetes and cloud native technologies on the deployment side, and public clouds as a potentially cost effective way to get additional capacity to cover for workloads spikes and accessing resources that are scarce on premises, such as GPUs and other accelerators. This has made efficient management of multiple clusters even more relevant.  This talk will describe how we've been evolving our deployments to rely on GitOps and tools like Flux and ArgoCD to centralize and standardize our highly distributed infrastructure. It will cover the three main layers of our deployments: the "underlay" infrastructure, and how with a bit of yaml and tools like crossplane we manage our on-premises clusters and those across multiple regions of the different public cloud providers; the "base services", including monitoring and central aggregation with Prometheus, OPA policies, cost calculation, etc; and finally our end user services.  A quick demo will show how clusters can be added and removed with a couple lines in a matter of minutes.

Speakers
avatar for Ricardo Rocha

Ricardo Rocha

Computing Engineer, CERN
Ricardo is a Computing Engineer in the CERN cloud team focusing on containerized deployments, networking and more recently machine learning platforms. He has pushed for several years the internal effort to transition services and workloads to use cloud native technologies, as well... Read More →



Tuesday October 12, 2021 9:20am - 9:50am PDT
Petree Hall C + Online Los Angeles Convention Center - 1201 S. Figueroa Street, Los Angeles, CA 90015