def provision(self):

        with self.using(AptitudeRole) as aptitude:
            aptitude.ensure_package_installed('varnish')
Installs `Varnish <https://www.varnish-cache.org/>`_ and its dependencies.
dataset/ETHPy150Open python-provy/provy/provy/more/debian/cache/varnish.py/VarnishRole.provision