This page describes the node operating system (node OS) image that runs on GKE on VMware cluster nodes.
GKE on VMware cluster nodes run Ubuntu version 18.04 (bionic) by default. The image is similar to Google Kubernetes Engine's Ubuntu node image. Container-Optimized OS is also supported in GKE on VMware node pools as a preview feature.
GKE on VMware offers the following node image options per OS for your cluster:
OS | Node images | Status |
---|---|---|
Container-Optimized OS | Preview | |
Ubuntu |
|
General Availability |
Supported and Unsupported Features with Container-Optimized OS
Container-Optimized OS does not support the following feature.
- dataplane v2
Kubernetes version
New GKE on VMware versions sometimes introduce a new Kubernetes version for clusters. Version changes are announced in Release notes. To learn which Kubernetes version your cluster runs, see Versions.
Preinstalled tools
- GKE on VMware's node OS has the following tools preinstalled:
arping
cloud-utils
,conntrack
,logrotate
,prips
,systemd-container
- GKE on VMware's node OS has the
debug-toolbox
container image preinstalled.debug-toolbox
includes several packages for debugging node issues. You run an accompanying shell script,toolbox
, to unpack and run thedebug-toolbox
container. Learn about thetoolbox
script.
Networking
As of GKE on VMware version 1.1.0-gke.6, the node OS' default networking configuration is disabled to support static IP allocation.
Security
See node security.