Скачать или смотреть When They Go High, We Go Low – Hooking Libc Calls To Debug Kubernetes Apps

Many tools exist for debugging cloud-native applications, and they mostly take one of two approaches: they either continuously sync local files to the remote container, or they connect the local machine to the cluster. mirrord takes a novel approach: when developers run their code with mirrord, it injects a dynamic library into the process, hooks libc calls, and relays some operations to be executed on the cluster instead of locally. That way, developers can run their code locally and debug it with a debugger. With all of the code's input and output forwarded to and from the cluster, the local process “thinks” it’s running in the cluster and can be tested and debugged in cloud conditions. This talk will discuss the rationale behind using low-level techniques in cloud-native tooling, explain some of the low level Rust code that makes it possible, and show mirrord in action with a live demo.

Kubernetes Community Days (KCDs) are global, community-organized events that gather adopters and technologists from open source and cloud native communities. This is our third edition in Munich, and we’re excited to bring the community together. We want to provide a platform for professionals and experts from all levels and backgrounds to learn, network, and share their knowledge on all things cloud native.

Find out more on https://www.kcdmunich.com

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