/usr/share/pyshared/provisioningserver/dns/utils.py is in python-maas-provisioningserver 1.2+bzr1373+dfsg-0ubuntu1~12.04.6.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | # Copyright 2012 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Network utilities."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
__metaclass__ = type
__all__ = [
'generated_hostname',
]
def generated_hostname(ip, domain=None):
"""Return the auto-generated hostname for the give IP.
>>> generated_hostname('192.168.0.1')
'192-168-0-1'
>>> generated_hostname('192.168.0.1', 'mydomain.com')
'192-168-0-1.mydomain.com'
"""
hostname = unicode(ip).replace('.', '-')
if domain is not None:
return '%s.%s' % (hostname, domain)
else:
return hostname
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