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Release Process

This document describes how to cut a cri plugin release.

Step 1: Update containerd vendor

Update the version of containerd located in containerd/cri/vendor.conf to the latest version of containerd for the desired branch of containerd, and make sure all tests in CI pass https://k8s-testgrid.appspot.com/sig-node-containerd.

Step 2: Cut the release

Draft and tag a new release in https://github.com/containerd/cri/releases.

Step 3: Update cri version in containerd

Push a PR to containerd/containerd that updates the version of containerd/cri in containerd/containerd/vendor.conf to the newly tagged release created in Step 2.

Step 4: Iterate step 1 updating containerd vendor

Step 5: Publish release tarball for Kubernetes

Publish the release tarball cri-containerd-${CONTAINERD_VERSION}.${OS}-${ARCH}.tar.gz

# Checkout `containerd/cri` to the newly released version.
git checkout ${RELEASE_VERSION}

# Publish the release tarball without cni.
DEPLOY_BUCKET=cri-containerd-release make push TARBALL_PREFIX=cri-containerd OFFICIAL_RELEASE=true VERSION=${CONTAINERD_VERSION}

# Publish the release tarball with cni.
DEPLOY_BUCKET=cri-containerd-release make push TARBALL_PREFIX=cri-containerd-cni OFFICIAL_RELEASE=true INCLUDE_CNI=true VERSION=${CONTAINERD_VERSION}

Step 6: Update release note with release tarball information