{% set apache = salt['grains.filter_by']({
    'Debian': {
        'server': 'apache2',
        'service': 'apache2',

        'mod_wsgi': 'libapache2-mod-wsgi',

        'vhostdir': '/etc/apache2/sites-available',
        'confdir': '/etc/apache2/conf.d',
        'logdir': '/var/log/apache2',
        'wwwdir': '/srv',
    },
    'RedHat': {
        'server': 'httpd',
        'service': 'httpd',

        'mod_wsgi': 'mod_wsgi',

        'vhostdir': '/etc/httpd/conf.d',
        'confdir': '/etc/httpd/conf.d',
        'logdir': '/var/log/httpd',
        'wwwdir': '/var/www',
    },
}, merge=salt['pillar.get']('apache:lookup')) %}