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 rollback(running_config, initial_config):
diff = running_config.diffFrom(initial_config)
if diff:
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()
for net, attrs in running_config.networks.items():
if is_ovs_network(attrs):
running_config.networks.pop(net)
for bond, attrs in running_config.bonds.items():
if is_ovs_bond(attrs):
running_config.bonds.pop(bond)
running_config.save()
supervdsm.getProxy().setupNetworks(
initial_config.networks, initial_config.bonds,
{'connectivityCheck': False, '_inRollback': True})
def _remove_libvirt_nets(libvirt_remove):
for net in libvirt_remove:
with suppress():
libvirt.removeNetwork(net)
def remove_libvirt_nets(libvirt_remove):
for net in libvirt_remove:
with suppress(libvirtError):
libvirt.removeNetwork(net)