Snippet of Ansible Playbook for auto-expanding a volume group based on disks on the server

format-disks.yml

---
## Snippet of Ansible Playbook for auto-expanding a volume group based on disks on the server

  ### Format Partitions ###
  - name: Format | find disks
    command: find /dev -regex "/dev/sd[b-z]" -exec echo "{}," \;
    register: extra_pvs

  - name: Format | expand vg if extra_pvs exist
    # defaultpv comes last, because extra_pvs are formatted to have a comma on the end
    lvg: vg='{{ volumegroup }}' pvs='{{ extra_pvs.stdout }}{{ defaultpv }}'
    when: extra_pvs.stdout != ''

  - name: Format | expand vg if extra_pvs do not exist
    lvg: vg='{{ volumegroup }}' pvs='{{ defaultpv }}'
    when: extra_pvs.stdout == ''

format-vars.yml

---
## Snippet of Ansible Playbook for auto-expanding a volume group based on disks on the server

volumegroup: 'ubuntuos'
defaultpv: '/dev/sda5'