def parse_server_string(server_str):
"""Parses the given server_string and returns a tuple of host and port.
If it's not a combination of host part and port, the port element
is an empty string. If the input is invalid expression, return a tuple of
two empty strings.
"""
try:
# First of all, exclude pure IPv6 address (w/o port).
if netaddr.valid_ipv6(server_str):
return (server_str, '')
# Next, check if this is IPv6 address with a port number combination.
if server_str.find("]:") != -1:
(address, port) = server_str.replace('[', '', 1).split(']:')
return (address, port)
# Third, check if this is a combination of an address and a port
if server_str.find(':') == -1:
return (server_str, '')
# This must be a combination of an address and a port
(address, port) = server_str.split(':')
return (address, port)
except (ValueError, netaddr.AddrFormatError):
LOG.error(_LE('Invalid server_string: %s'), server_str)
return ('', '')
def run(self):
try:
self._copy()
except IOError as err:
self._stopped.set()
# Invalid argument error means that the vm console pipe was closed,
# probably the vm was stopped. The worker can stop it's execution.
if err.errno != errno.EINVAL:
LOG.error(_LE("Error writing vm console log file from " "serial console pipe. Error: %s") % err)
def _get_conn_v2(self, host='localhost'):
try:
return wmi.WMI(moniker='//%s/root/virtualization/v2' % host)
except wmi.x_wmi as ex:
LOG.exception(_LE('Get version 2 connection error'))
if ex.com_error.hresult == -2147217394:
msg = (_('Live migration is not supported on target host "%s"')
% host)
elif ex.com_error.hresult == -2147023174:
msg = (_('Target live migration host "%s" is unreachable')
% host)
else:
msg = _('Live migration failed: %s') % ex.message
raise exceptions.HyperVException(msg)
def set_switch_external_port_trunk_vlan(self, vswitch_name, vlan_id,
desired_endpoint_mode):
vswitch_external_port = self._get_vswitch_external_port(vswitch_name)
if vswitch_external_port:
vlan_endpoint = vswitch_external_port.associators(
wmi_association_class=self._BINDS_TO)[0]
vlan_endpoint_settings = vlan_endpoint.associators(
wmi_result_class=self._VLAN_ENDPOINT_SET_DATA)[0]
if vlan_id not in vlan_endpoint_settings.TrunkedVLANList:
vlan_endpoint_settings.TrunkedVLANList += (vlan_id,)
vlan_endpoint_settings.put()
if (desired_endpoint_mode not in
vlan_endpoint.SupportedEndpointModes):
LOG.error(_LE("'Trunk' VLAN endpoint mode is not supported by "
"the switch / physycal network adapter. Correct "
"this issue or use flat networks instead."))
return
if vlan_endpoint.DesiredEndpointMode != desired_endpoint_mode:
vlan_endpoint.DesiredEndpointMode = desired_endpoint_mode
vlan_endpoint.put()
