GKE Updates Firewall Rules and Announces C3 Bare Metal GA

The bare metal machine types from the C3 machine series are now generally available with GKE clusters. You can now provision machine types such as c3-standard-192-metal in Standard mode with any available GKE version. To use these machine types with Autopilot mode, ComputeClasses, and node pool auto-creation, you must specify the exact machine type using a custom ComputeClass and use GKE version 1.35.3-gke.1389000 or later.

GKE version 1.35.1-gke.1031000 and later include the following changes to automatically created firewall rules for Services : Changes the priority of multiple existing firewall rules for Services from 1000 to 999 . Creates additional firewall rules to deny traffic that is not explicitly allowed by other auto-created firewall rules. If you use custom firewall rules to override GKE firewall rules for Services, these changes might cause unexpected behavior. Before you upgrade your clusters to version 1.35.1-gke.1031000 or later, do the following: If you have custom firewall rules that allow or de