install boa from URL

$_boa_version = '2.2.1'

yum::gpgkey{'/etc/pki/rpm-gpg/boa.gpgsig':
  ensure => present,
  source => "https://github.com/openbao/openbao/releases/download/v${_boa_version}/bao_${_boa_version}_linux_amd64.rpm.gpgsig",
  before => Package['boa'],
}

package{'boa':
  ensure  => "${_boa_version}-1",
  provider => 'rpm',
  source => "https://github.com/openbao/openbao/releases/download/v${_boa_version}/bao_${_boa_version}_linux_amd64.rpm"
}