Design of sumaform

Goal

Automating deployment and configuration of virtualized SUSE Manager installations for testing, debugging and development.

Security is explicitly not a goal, convenience is.

Idea

sumaform is:

Terraform modules: they define a virtual infrastructure (VMs, networks, firewalls, disks, etc.)
base disk images: they contain bare-bones OSs to bootstrap VMs above
Salt states: they define all software configuration on top of bare-bones OSs: SUSE Manager servers, clients, proxies, etc.

Intent is to keep those three components well separated in their purpose.

Requirements for base disk images

Basic Virtual Machine images must:

have a root user in root group and password linux
expect a network interface and assume its addreess is provided via DHCP
contain an SSH server listening on port 22, allow plain password authentication
contain salt-minion or an equivalent package
contain any other package needed for the target virtualization infrastructure (eg. qemu-ga or equivalent package for libvirt)
be immutable (not need to be upgraded). Ideally, they should be based on the initial release repo of the target OS (ie. without any updates). Upgrades will be taken care of by Salt states when needed, at the needed version
be as minimal as possible, ideally JeOS