put virtualenv activation during build in comment. That means that for the moment the build machine must be provisionned beforehand, or ansible must be available globally
## Default mods
# Base class. Declares default vhost on port 80 and default ssl
# vhost on port 443 listening on all interfaces and serving
# $apache::docroot, and declaring our default set of modules.
class { 'apache':
default_mods => true,
}