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How to submit conformance results

The tests

The standard set of conformance tests is currently those defined by the [Conformance] tag in the kubernetes e2e suite.


The standard tool for running these tests is Sonobuoy. Sonobuoy is regularly built and kept up to date to execute against all currently supported versions of kubernetes.

Download a binary release of the CLI, or build it yourself by running:

$ go get -u -v

Deploy a Sonobuoy pod to your cluster with:

$ sonobuoy run

View actively running pods:

$ sonobuoy status 

To inspect the logs:

$ sonobuoy logs

Once sonobuoy status shows the run as completed, copy the output directory from the main Sonobuoy pod to a local directory:

$ sonobuoy retrieve .

This copies a single .tar.gz snapshot from the Sonobuoy pod into your local . directory. Extract the contents into ./results with:

mkdir ./results; tar xzf *.tar.gz -C ./results

NOTE: The two files required for submission are located in the tarball under plugins/e2e/results/{e2e.log,junit.xml}.

To clean up Kubernetes objects created by Sonobuoy, run:

sonobuoy delete


Prepare a PR to In the descriptions below, X.Y refers to the kubernetes major and minor version, and $dir is a short subdirectory name to hold the results for your product. Examples would be gke or openshift.

Description: Conformance results for vX.Y/$dir

Contents of the PR

For simplicity you can submit the tarball or extract the relevant information from the tarball to compose your submission.

vX.Y/$dir/ A script or human-readable description of how to reproduce
your results.
vX.Y/$dir/sonobuoy.tar.gz: Raw output from sonobuoy. (optional)
vX.Y/$dir/e2e.log: Test log output (from Sonobuoy).
vX.Y/$dir/junit_01.xml: Machine-readable test log (from Sonobuoy).
vX.Y/$dir/PRODUCT.yaml: See below.


This file describes your product. It is YAML formatted with the following root-level fields. Please fill in as appropriate.

Field Description
vendor Name of the legal entity that is certifying. This entity must have a signed participation form on file with the CNCF
name Name of the product being certified.
version The version of the product being certified (not the version of Kubernetes it runs).
website_url URL to the product information website
documentation_url URL to the product documentation
product_logo_url URL to the product's logo, (must be in SVG, AI or EPS format -- not a PNG -- and include the product name). OPTIONAL. If not supplied, we'll use your company logo. Please see logo guidelines
type Is your product a distribution, hosted platform, or installer (see definitions)
description One sentence description of your offering

Examples below are for a fictional Kubernetes implementation called Turbo Encabulator produced by a company named Yoyodyne.

vendor: Yoyodyne
name: Turbo Encabulator
version: v1.7.4
website_url: https://yoyo.dyne/turbo-encabulator
documentation_url: https://yoyo.dyne/turbo-encabulator/docs
product_logo_url: https://yoyo.dyne/assets/turbo-encabulator.svg
type: distribution
description: 'The Yoyodyne Turbo Encabulator is a superb Kubernetes distribution for all of your Encabulating needs.'

Amendment for Private Review

If you need a private review for an unreleased product, please email a zip file containing what you would otherwise submit as a pull request to We'll review and confirm that you are ready to be Certified Kubernetes as soon as you open the pull request. We can then often arrange to accept your pull request soon after you make it, at which point you become Certified Kubernetes.


A reviewer will shortly comment on and/or accept your pull request, following this process. If you don't see a response within 3 business days, please contact


If you have problems certifying that you feel are an issue with the conformance program itself (and not just your own implementation), you can file an issue in the repository. Questions and comments can also be sent to the working group's mailing list and slack channel. SIG Architecture is the change controller of the conformance definition. We track a list of issue resolutions with SIG Architecture.