The installation of Ubuntu on ZFS contains about 50 steps of detailed configuration. I have 10 servers to install, so I would like to script this process as much as possible.
To test my script, I have created a new VM on VMware ESXi with 10 x 16GB
disks, 16GB RAM, 4 vCPU. In the advanced options, I have set the boot to
EFI and set disk.EnableUUID = "TRUE" in the .vmx file. Doing this
ensures that /dev/disk aliases are created in the guest.
Boot Ubuntu 24.04 from the Live CD and install SSH.
sudo -i
apt update
apt install openssh-server -y
Use wget to download https://github.com/mtelvers.keys into ~/.ssh/authorized_keys.
wget https://github.com/mtelvers.keys -O ~/.ssh/authorized_keys
In your Ansible hosts file, add your new machine and its IP address
your.fqdn ansible_host=<ip>
Run the playbook with
ansible-playbook -i hosts --limit your.fqdn ubuntu-zfs.yml
The playbook is available as a GitHub gist zfs-ubuntu.yml.