Merging v1.157

[wtripp180901]

Intermediate PR to make reviewing #4 easier

Changes from merge conflicts:

ansible/slurm.yml

- name: Setup slurm
  hosts: openhpc
  become: yes
  tags:
    - openhpc
  tasks:
    - include_role:
        name: stackhpc.openhpc
<<<<<<< HEAD
        tasks_from: "install-{{ openhpc_install_type }}.yml"
      tags: install
    - include_role:
        name: stackhpc.openhpc
        tasks_from: runtime.yml
      tags: runtime
=======
        tasks_from: "{{ 'runtime.yml' if appliances_mode == 'configure' else 'main.yml' }}"
>>>>>>> v1.157

Kept HEAD to make sure non-generic ohpc never runs

requirements.yml

  - src: https://github.com/stackhpc/ansible-role-openhpc.git
<<<<<<< HEAD
    version: a34dace # https://github.com/stackhpc/ansible-role-openhpc/pull/163 # TODO: bump on release
=======
    version: v0.27.0
>>>>>>> v1.157
    name: stackhpc.openhpc

Kept HEAD as need for generic ohpc

packer/openstack.pkr.hcl

variable "volume_size" {
<<<<<<< HEAD
  type = map(number)
  default = {
    # fat image builds, GB:
    rocky-latest = 30
    rocky-latest-cuda = 30
    openhpc = 30
    openhpc-cuda = 30
  }
=======
  type = number
  default = 15
>>>>>>> v1.157
}

Accepted incoming so compatible with new packer workflow