Controllers at Chaos

Explore the intricacies of managing Kubernetes clusters as a service in this 32-minute conference talk by Kesavan Subramanian and Gaurav Gupta from SAP. Dive into the Gardener project's implementation of Control-Plane-as-a-Service, which hosts control plane components in separate seed clusters. Learn about the challenges and solutions of running Kubernetes within Kubernetes in production environments. Discover key concepts such as Cubelet, Gardenlet, extension controllers, machine controller manager, dependency watchdog, cluster autoscaler, and HVPA controller. Gain insights into disaster recovery strategies and watch a practical demonstration. Engage with the speakers during a Q&A session and understand the implications for cloud providers like Digital Ocean and the upgrade process.

Intro
Recap of Kubernetes
Cubelet and Gardenlet
Extension controllers
Machine controller manager
Dependency watchdog
Cluster autoscaler
HVPA controller
Disaster recovery
Demo
Questions Answers
Digital Ocean
Upgrade