def test_ensure_bridge_concurrent_add(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = [ValueError(), 0, 0, 0]
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_has_calls([mock.call("br0"), mock.call("br0")])
def test_ensure_bridge_new_ipv4(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
def test_ensure_bridge_new_ipv4(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
mock_exec.assert_has_calls(calls)
mock_dev_exists.assert_called_once_with("br0")
def test_ensure_bridge_concurrent_add(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = [ValueError(), 0, 0, 0]
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
mock_exec.assert_has_calls(calls)
mock_dev_exists.assert_has_calls([mock.call("br0"), mock.call("br0")])
def test_ensure_bridge_new_ipv6(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('tee', '/proc/sys/net/ipv6/conf/br0/disable_ipv6',
check_exit_code=[0, 1], process_input='1'),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
def test_ensure_bridge_new_ipv6(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('tee', '/proc/sys/net/ipv6/conf/br0/disable_ipv6',
check_exit_code=[0, 1], process_input='1'),
mock.call('ip', 'link', 'set', 'br0', "up")]
mock_exec.assert_has_calls(calls)
mock_dev_exists.assert_called_once_with("br0")
def plug(self, vif, instance_info):
"""Ensure that the bridge exists, and add VIF to it."""
network = vif.network
bridge_name = vif.bridge_name
if not network.multi_host and network.should_provide_bridge:
if network.should_provide_vlan:
iface = self.config.vlan_interface or network.bridge_interface
mtu = self.config.network_device_mtu
linux_net.ensure_vlan_bridge(network.vlan,
bridge_name, iface, mtu=mtu)
else:
iface = self.config.flat_interface or network.bridge_interface
linux_net.ensure_bridge(bridge_name, iface)
def test_ensure_bridge(self, mock_filtering, mock_priv):
linux_net.ensure_bridge("br0", None, filtering=False)
mock_priv.assert_called_once_with("br0",
None,
None,
True,
filtering=False,
mtu=None)
mock_filtering.assert_not_called()
linux_net.ensure_bridge("br0", None, filtering=True)
mock_filtering.assert_called_once_with("br0", True)
def plug(self, vif, instance_info):
"""Ensure that the bridge exists, and add VIF to it."""
network = vif.network
bridge_name = vif.bridge_name
if not network.multi_host and network.should_provide_bridge:
mtu = network.mtu or self.config.network_device_mtu
if network.should_provide_vlan:
iface = self.config.vlan_interface or network.bridge_interface
linux_net.ensure_vlan_bridge(network.vlan,
bridge_name, iface, mtu=mtu)
else:
iface = self.config.flat_interface or network.bridge_interface
# only put in iptables rules if Neutron not filtering
install_filters = not vif.has_traffic_filtering
linux_net.ensure_bridge(bridge_name, iface,
filtering=install_filters, mtu=mtu)
def test_ensure_bridge_addbr_exception(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = ValueError()
with testtools.ExpectedException(ValueError):
linux_net.ensure_bridge("br0", None, filtering=False)
def test_ensure_bridge_exists(self, mock_dev_exists, mock_exec):
linux_net.ensure_bridge("br0", None, filtering=False)
self.assertEqual([], mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
def test_ensure_bridge_addbr_exception(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = ValueError()
with testtools.ExpectedException(ValueError):
linux_net.ensure_bridge("br0", None, filtering=False)
def test_ensure_bridge_exists(self, mock_dev_exists, mock_exec):
linux_net.ensure_bridge("br0", None, filtering=False)
mock_exec.assert_not_called()
mock_dev_exists.assert_called_once_with("br0")