def call() {
  return ['centos-7', 'centos8', 'debian-9', 'debian-10', 'ubuntu-focal', 'ubuntu-bionic', 'rhel8']
}

def call() {
  // centos8 - centos8.3
  // rhel8 - rhel 8.0
  return ['centos-7', 'centos8', 'debian-9', 'debian-10', 'ubuntu-focal', 'ubuntu-bionic', 'rhel8']
}

Add comment for PPG operating systems
Add comment for PPG operating systems
