{% set map = salt['grains.filter_by']({
    'Debian': {
        'pkgs': ['bind9', 'bind9utils'],
        'service': 'named',

        'config': '/etc/named.conf',
    },
    'RedHat': {
        'pkgs': ['bind'],
        'service': 'named',

        'config': '/etc/named.conf',
    },
}, merge=salt['pillar.get']('bind:lookup')) %}