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November 18, 2019 | San Diego, California
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Monday, November 18 • 11:40am - 11:50am
Collaboration is Important for Admission Webhooks in Service Meshes - Alejandro Pedraza, Buoyant

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Admission controllers provide a way to tap into Kubernetes’ object persistence workflow by modifying manifests. The Kubernetes API server provides a set of default admission controllers, but users can also provide their own through webhooks. This is a common pattern used in service meshes to inject a sidecar proxy. Ideally, in-tree admission controllers and webhooks should be able to cooperate, in the sense that mutations made by some controller should be able to be taken into account by other controllers regardless of the invocation sequence. Up until 1.15 this cooperation has had its problems. Now, through a clever reinvocation mechanism this has been addressed. Alejandro Pedraza, software engineer at Buoyant, will give an overview of admission webhooks reinvocation policy and what it looks like now to operate in the particular case of the sidecar proxy provided by Linkerd.

avatar for Alejandro Pedraza

Alejandro Pedraza

Software Engineer, Buoyant
Kubernetes, Service Meshes

Monday November 18, 2019 11:40am - 11:50am
San Diego Convention Center - Room 6C 111 W Harbor Dr, San Diego, CA 92101, USA
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