from zone import Zone


class Knot(Zone):
    def __init__(self, entries):
        super().__init__(entries, 'knot')

    def named(self, dnssec):
        with open('{0}/named.conf'.format(self.program), 'w') as f:
            f.write('zone:\n')
            for entry in self.entries:
                f.write('- domain: \"{z.domain}\"\n'.format(z=entry))
                if dnssec:
                    f.write('  file: \"/etc/{0}/zones/{z.domain}.signed\"\n'.format(self.program, z=entry))
                    f.write('  dnssec-signing: on\n')
                else:
                    f.write('  file: \"/etc/{0}/zones/{z.domain}\"\n'.format(self.program, z=entry))
                f.write('\n')