ganeti.netutils.Hostname

class documentation

class Hostname(object):

Class implementing resolver and hostname functionality.

Class Method	`GetFqdn`	Return fqdn.
Class Method	`GetNormalizedName`	Validate and normalize the given hostname.
Class Method	`GetSysName`	Legacy method the get the current system's name.
Static Method	`GetIP`	Return IP address of given hostname.
Method	`__init__`	Initialize the host name object.
Instance Variable	`ip`	Undocumented
Instance Variable	`name`	Undocumented
Constant	`_VALID_NAME_RE`	Undocumented

@classmethod
def GetFqdn(cls, hostname=None): ¶

Return fqdn.

If hostname is None the system's fqdn is returned.

Parameters
hostname:str	name to be fqdn'ed
Returns
str	fqdn of given name, if it exists, unmodified name otherwise

@classmethod
def GetNormalizedName(cls, hostname): ¶

Validate and normalize the given hostname.

Raises
`errors.OpPrereqError`	when the name is not valid
Unknown Field: attention
the validation is a bit more relaxed than the standards require; most importantly, we allow underscores in names

@classmethod
def GetSysName(cls): ¶

Legacy method the get the current system's name.

@staticmethod
def GetIP(hostname, family=None): ¶

Return IP address of given hostname.

Supports both IPv4 and IPv6.

Parameters
hostname:str	hostname to look up
family:int	AF_INET \| AF_INET6 \| None
Returns
str	IP address
Raises
`errors.ResolverError`	in case of errors in resolving

def __init__(self, name=None, family=None): ¶

Initialize the host name object.

If the name argument is None, it will use this system's name.

Undocumented

name = ¶

Undocumented

_VALID_NAME_RE = ¶

Undocumented

Value

re.compile(r'^[a-z0-9\._-]{1,255}$')