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Cloud Foundry stack: cflinuxfs4

This stack is derived from Ubuntu 22.04 LTS (Jammy Jellyfish)

Dependencies

  • GNU make
  • Docker >= 20.10.9

Creating a rootfs tarball

To create a rootfs for the cflinuxfs4 stack:

make

This will create the cflinuxfs4.tar.gz file, which is the artifact used as the rootfs in Cloud Foundry deployments.

Creating a BOSH release from the rootfs tarball

To start, clone the repository containing the cflinuxfs4-rootfs BOSH release:

git clone [email protected]:cloudfoundry/cflinuxfs4-release.git
cd cflinuxfs4-release

Replace the old cflinuxfs4 tarball with the new tarball created above:

rm -f config/blobs.yml
mkdir -p blobs/rootfs
cp <path-to-new-tarball>/cflinuxfs4.tar.gz blobs/rootfs/cflinuxfs4-new.tar.gz

Create a dev release and upload it to your BOSH deployment:

bosh create release --force --with-tarball --name cflinuxfs4-rootfs
bosh upload release <generated-dev-release-tar-file>

If your Diego deployment manifest has version: latest indicated for the cflinuxfs4 release, then redeploying Diego will enable this new rootfs.

Release pipeline

The generation and release of a new rootfs happens on the cflinuxfs4 CI pipeline.