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May 4 - May 7
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Thursday, May 6 • 13:30 - 14:05
COSI: The Common Operating System Interface - Steven Borrelli, Mastercard & Andrew Rynhard, Talos-Systems

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This talk introduces COSI, the Common Operating System Interface, which defines an API for the configuration of container operating systems. While there has been innovation in the development of minimal Linux distributions for running Kubernetes, the distributions diverge from each other in terms of management and API endpoints. Similar to other projects such as the Container Network Interface (CNI) , COSI has a focus on the configuration of the underlying operating system, providing Protocol Buffer definitions and a gRPC API reference implementation for configuration settings such as DNS, network, and kernel settings By utilizing a flexible plugin system, multiple backend implementations can provide a consistent API to consumers. In this talk we’ll review the configuration and APIs of popular container operating systems and Kubelet-node interactions. We will then review the COSI API, the plugin architecture, and demo node management using backend plugins written in Go and Rust.

avatar for Steven Borrelli

Steven Borrelli

Principal Solutions Engineer, upbound.io
Steven Borrelli is a Principal Software Engineer for Mastercard where he develops infrastructure automation software. Prior to Mastercard, Steven founded aster.is and was a core contributor to the open source Mantl.io project. He has held various roles over the past 20+ years, from... Read More →

Andrew Rynhard

CTO, Talos Systems, Inc.
Andrew Rynhard is the founder and CTO of Talos Systems, and creator of Talos OS. Prior to Talos Systems, Andrew worked as an SRE designing and maintaining Kubernetes Clusters for Virtustream, and LogicMonitor. Andrew has been a long time open source contributor, with contributions... Read More →

Thursday May 6, 2021 13:30 - 14:05 CEST
Operations Theater