def _destroy_ovs_libvirt_nets(initial_config, running_config):
log('Removing OVS and libvirt networks: %s %s' %
(initial_config, running_config))
for libvirt_ovs_nets in (iter_ovs_nets(running_config.networks),
iter_ovs_nets(initial_config.networks)):
for net, attrs in libvirt_ovs_nets:
with suppress(libvirtError): # network not found
libvirt.removeNetwork(net)
destroy_ovs_bridge()
def _destroy_ovs_libvirt_nets(initial_config, running_config):
log('Removing OVS and libvirt networks: %s %s' % (initial_config,
running_config))
for libvirt_ovs_nets in (iter_ovs_nets(running_config.networks),
iter_ovs_nets(initial_config.networks)):
for net, attrs in libvirt_ovs_nets:
with suppress(libvirtError): # network not found
libvirt.removeNetwork(net)
destroy_ovs_bridge()
def _remove_ovs_network(net, running_config, nets_by_nic):
commands = []
net_conf = running_config.networks.get(net)
if 'vlan' in net_conf:
commands.extend(['--', 'del-br', net])
if 'nic' in net_conf:
commands.extend(_del_nic_port(net, net_conf.get('nic'), nets_by_nic))
running_config.removeNetwork(net)
with suppress():
libvirt.removeNetwork(net)
return commands
def _remove_ovs_network(net, running_config, nets_by_nic):
commands = []
net_conf = running_config.networks.get(net)
if 'vlan' in net_conf:
commands.extend(['--', 'del-br', net])
if 'nic' in net_conf:
commands.extend(_del_nic_port(net, net_conf.get('nic'), nets_by_nic))
running_config.removeNetwork(net)
with suppress():
libvirt.removeNetwork(net)
return commands
def _remove_network_ip_config(ip_config):
"""Remove IP configuration from Vdsm controlled OVS network"""
iface = ip_config.top_dev
ipv4 = ip_config.ipv4
ipv6 = ip_config.ipv6
net_dev = NetDevice(iface, iproute2, ipv4=ipv4, ipv6=ipv6)
DynamicSourceRoute.addInterfaceTracking(net_dev)
DhcpClient(iface).shutdown()
iproute2._removeSourceRoute(net_dev, DynamicSourceRoute)
if ipv4.address or ipv6.address:
with suppress(ipwrapper.IPRoute2Error): # device does not exist
ipwrapper.addrFlush(iface)
def remove_libvirt_nets(libvirt_remove):
for net in libvirt_remove:
with suppress(libvirtError):
libvirt.removeNetwork(net)
def remove_libvirt_nets(libvirt_remove):
for net in libvirt_remove:
with suppress(libvirtError):
libvirt.removeNetwork(net)
