Bootstrap elastic workers role
Those worker nodes should be able to run docker containers. As an implementation detail, we mount the main docker partition as zfs volume with compression enable to keep disk use in check. It's expected they have an extra /dev/vdb partition to be provided (through the provisioner vagrant or terraform-proxmox).
Related to T4144
Test Plan
vagrant up and puppet agent are ok:
migrated/migration$1330
Migrated from D7600 (view on Phabricator)