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Tuesday, May 21 • 14:00 - 14:35
Scavenging for Reusable Code in the Kubernetes Codebase - Kevin Lingerfelt, Buoyant

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The magic of open source software and Go's support for remote import paths makes it trivial to import and run code from many of the most popular CNCF projects directly in your own project. Sometimes, however, the process of finding that one piece of code in a large codebase that’s just right for your use case can feel like a scavenger hunt. But the spoils of the hunt are vast. This talk explores how the Linkerd project has leveraged the Kubernetes codebase to replace their bespoke code with existing code that's more robust and better tested. Specific examples include switching the project to use Kubernetes' shared informers for caching API responses and adding rate limiting via work queues for TLS certificate distribution. Linkerd's Kevin Lingerfelt will show you how to undertake an effective Go scavenger hunt, and he'll discuss when you should skip the hunt and write it from scratch.

Speakers
avatar for Kevin Lingerfelt

Kevin Lingerfelt

Software Engineer, Buoyant
Kevin Lingerfelt is a software engineer at Buoyant and a core contributor to the Linkerd project, focusing mostly on the control plane, which is written in Go. Prior to working at Buoyant, Kevin was a senior staff software engineer at Twitter, working on infrastructure and decomposition... Read More →



Tuesday May 21, 2019 14:00 - 14:35
Hall 8.0 C4