def perform_mapping(self, ifname):
proc = subprocess.Popen((self.script, ifname),
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
output = proc.communicate(input=''.join(self.script_input))
## Ensure the mapping script completed successfully
if proc.returncode < 0:
LOGGER.warning('Mapping script died with signal %d' %
-proc.returncode)
return None
if proc.returncode > 0:
LOGGER.debug('Mapping script exited with code %d' %
proc.returncode)
return None
if output[0] is None:
LOGGER.warning('Mapping script succeeded with no output')
return None
## Check that it produced a valid interface config name
config_name = output[0].split('\n')[0]
if utils.valid_interface_name(config_name):
return ifname
LOGGER.error('Mapped %s to invalid interface config name: %s' %
(ifname, config_name))
return None
def validate_interface_name(self, ifname):
"""Report an error if an interface name is not valid"""
if utils.valid_interface_name(ifname):
return True
self.error('Invalid interface name: %s' % ifname)
return False
def perform_mapping(self, ifname):
proc = subprocess.Popen((self.script, ifname),
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
output = proc.communicate(input=''.join(self.script_input))
## Ensure the mapping script completed successfully
if proc.returncode < 0:
LOGGER.warning('Mapping script died with signal %d'
% -proc.returncode)
return None
if proc.returncode > 0:
LOGGER.debug('Mapping script exited with code %d'
% proc.returncode)
return None
if output[0] is None:
LOGGER.warning('Mapping script succeeded with no output')
return None
## Check that it produced a valid interface config name
config_name = output[0].split('\n')[0]
if utils.valid_interface_name(config_name):
return ifname
LOGGER.error('Mapped %s to invalid interface config name: %s'
% (ifname, config_name))
return None
def validate_interface_name(self, ifname):
"""Report an error if an interface name is not valid"""
if utils.valid_interface_name(ifname):
return True
self.error('Invalid interface name: %s' % ifname)
return False