openstack packages

def _set_openstack_repository(self):
        """openstack packages"""
        if self._release() == 'trusty':
            print red(env.host_string + ' | Enable the OpenStack repository for trusty')
            sudo('apt-get update')
            sudo('apt-get install software-properties-common -y')
            sudo('add-apt-repository cloud-archive:mitaka -y')

        print red(env.host_string + ' | Executing dist-upgrade')
        with prefix('sudo apt-get update'):
            sudo('DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" dist-upgrade')

        print red(env.host_string + ' | [Playback] waiting for reboot\n')
        with settings(warn_only=True):
            reboot(wait=600)

        print red(env.host_string + ' | Install the OpenStack client')
        with prefix('sudo apt-get update'):
            sudo('apt-get install python-openstackclient -y')