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This page describes the node operating system (node OS) image that runs on
Google Distributed Cloud cluster nodes.
Google Distributed Cloud 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 Google Distributed Cloud node pools as a preview feature.
Google Distributed Cloud offers the following node image options per OS for your
cluster:
OS
Node images
Status
Container-Optimized OS
Preview
Ubuntu
Ubuntu
Ubuntu with Docker (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 Google Distributed Cloud 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
Google Distributed Cloud's node OS has the following tools preinstalled: arpingcloud-utils, conntrack, logrotate, prips, systemd-container
Google Distributed Cloud'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 the
debug-toolbox container.
Learn about the toolbox script.
Networking
As of Google Distributed Cloud version 1.1.0-gke.6, the node OS' default
networking configuration is disabled to support static IP allocation.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-05 UTC."],[[["Google Distributed Cloud cluster nodes primarily use Ubuntu 18.04 (bionic) as their default node operating system image, similar to Google Kubernetes Engine's Ubuntu node image."],["Container-Optimized OS is also available as a preview feature for Google Distributed Cloud node pools, alongside Ubuntu as a generally available option, with the distinction that dataplane v2 is not supported on Container-Optimized OS."],["The node OS comes with several preinstalled tools, including `arping`, `cloud-utils`, `conntrack`, `logrotate`, `prips`, `systemd-container`, and a `debug-toolbox` container image for debugging node issues."],["The default networking configuration for the node OS is disabled from Google Distributed Cloud version 1.1.0-gke.6 onwards to accommodate static IP allocation."],["Google Distributed Cloud node OS image is a Pre-GA offering and available \"as is\" with potentially limited support, which should be noted in accordance with the Pre-GA Offerings Terms."]]],[]]
