ubuntu.py 文件源码

def _add_cloud_staging(cloud_archive_release, openstack_release):
    """Add the cloud staging repository which is in
    ppa:ubuntu-cloud-archive/<openstack_release>-staging

    This function checks that the cloud_archive_release matches the current
    codename for the distro that charm is being installed on.

    :param cloud_archive_release: string, codename for the release.
    :param openstack_release: String, codename for the openstack release.
    :raises: SourceConfigError if the cloud_archive_release doesn't match the
        current version of the os.
    """
    _verify_is_ubuntu_rel(cloud_archive_release, openstack_release)
    ppa = 'ppa:ubuntu-cloud-archive/{}-staging'.format(openstack_release)
    cmd = 'add-apt-repository -y {}'.format(ppa)
    _run_with_retries(cmd.split(' '))