def set_metadata_ip_route(self, metadata_url):
"""Set a network route if the given metadata url can't be accessed.
This is a workaround for
https://bugs.launchpad.net/quantum/+bug/1174657.
"""
osutils = base.get_osutils()
if osutils.general.check_os_version(6, 0):
# 169.254.x.x addresses are not getting routed starting from
# Windows Vista / 2008
metadata_netloc = urllib_parse.urlparse(metadata_url).netloc
metadata_host = metadata_netloc.split(':')[0]
if not metadata_host.startswith("169.254."):
return
routes = self.routes()
exists_route = any(route.destination == metadata_host
for route in routes)
if not exists_route and not _check_url(metadata_url):
default_gateway = self.default_gateway()
if default_gateway:
try:
LOG.debug('Setting gateway for host: %s',
metadata_host)
route = Route(destination=metadata_host,
netmask="255.255.255.255",
gateway=default_gateway.gateway,
interface=None,
metric=None)
Route.add(route)
except Exception as ex:
# Ignore it
LOG.exception(ex)
def set_metadata_ip_route(self, metadata_url):
"""Set a network route if the given metadata url can't be accessed.
This is a workaround for
https://bugs.launchpad.net/quantum/+bug/1174657.
"""
osutils = base.get_osutils()
if osutils.general.check_os_version(6, 0):
# 169.254.x.x addresses are not getting routed starting from
# Windows Vista / 2008
metadata_netloc = urllib_parse.urlparse(metadata_url).netloc
metadata_host = metadata_netloc.split(':')[0]
if not metadata_host.startswith("169.254."):
return
routes = self.routes()
exists_route = any(route.destination == metadata_host
for route in routes)
if not exists_route and not _check_url(metadata_url):
default_gateway = self.default_gateway()
if default_gateway:
try:
LOG.debug('Setting gateway for host: %s',
metadata_host)
route = Route(
destination=metadata_host,
netmask="255.255.255.255",
gateway=default_gateway.gateway,
interface=None, metric=None)
Route.add(route)
except Exception as ex:
# Ignore it
LOG.exception(ex)
def _test_getosutils(self, mock_system,
mock_linux_distribution, mock_import_module,
linux=False):
if linux:
os_name = 'Linux'
else:
os_name = 'Windows'
mock_system.return_value = os_name
mock_linux_distribution.return_value = (os_name, None, None)
module = base.get_osutils()
mock_import_module.assert_called_once_with(
"cloudinit.osys.{0}.base".format(os_name.lower()))
self.assertEqual(mock_import_module.return_value.OSUtils,
module)
def _test_getosutils(self, mock_system,
mock_linux_distribution, mock_import_module,
linux=False):
if linux:
os_name = 'Linux'
mock_linux_distribution.return_value = (os_name, None, None)
else:
os_name = 'Windows'
mock_system.return_value = os_name
mock_linux_distribution.return_value = (None, None, None)
module = base.get_osutils()
mock_import_module.assert_called_once_with(
"cloudinit.osys.{0}.base".format(os_name.lower()))
self.assertEqual(mock_import_module.return_value.OSUtils,
module)
if linux:
mock_linux_distribution.assert_called_once_with()
self.assertFalse(mock_system.called)
else:
mock_linux_distribution.assert_called_once_with()
mock_system.assert_called_once_with()
def _enable_metadata_access(metadata_url):
if IS_WINDOWS:
osutils = base.get_osutils()
osutils.network.set_metadata_ip_route(metadata_url)
def _enable_metadata_access(metadata_url):
if IS_WINDOWS:
osutils = base.get_osutils()
osutils.network.set_metadata_ip_route(metadata_url)
