def add(self, ip_address, canonical_hostname, *args):
"""Add new hostname to the container.
Each host is composed by:
* IP address
* Main hostname
* Aliases to the main hostname
At this moment multiple aliases are accepted and inserted but
only one is used and saved back.
:Results: None
"""
if not utils.isValidIP(ip_address):
raise InvalidIPException("%s is not a valid IP address"
% ip_address)
sys.exit(1)
if not utils.isValidHostname(canonical_hostname):
raise InvalidHostnameException("%s is not a valid hostname"
% canonical_hostname)
sys.exit(1)
self.__hosts.append({"ip_address": ip_address,
"canonical_hostname": canonical_hostname,
"aliases": args})
self.__save(self.hosts_file)
def delete(self, canonical_hostname):
"""Delete existing hostname.
A valid hostname must be passed, no IP or alias are valid arguments.
:Results: None
"""
if not utils.isValidHostname(canonical_hostname):
raise InvalidHostnameException("%s is not a valid hostname"
% canonical_hostname)
sys.exit(1)
self.__hosts = [{"ip_address": host["ip_address"],
"canonical_hostname": host["canonical_hostname"],
"aliases": host["aliases"]}
for host in self.__hosts
if host["canonical_hostname"] != canonical_hostname]
self.__save(self.hosts_file)