def ovs_networks_stats(stats):
""" Get OVS networks from RunningConfig and assign them network stats
dictionaries from underlying devices. Fake bridges and bonds already
have stats with their names.
"""
ovs_networks_stats = {}
running_config = RunningConfig()
for network, attrs in running_config.networks.items():
if is_ovs_network(attrs):
vlan = attrs.get('vlan')
iface = attrs.get('nic') or attrs.get('bonding')
if vlan is None:
# Untagged networks use OVS bridge as their bridge, but Engine
# expects a bridge with 'network-name' name. create a copy of
# top underlying device stats and save it as bridge's stats.
# NOTE: copy stats of ovsbr0? (now we repots iface's stats)
ovs_networks_stats[network] = stats[iface]
else:
# Engine expects stats entries for vlans named 'iface.id'
vlan_name = '%s.%s' % (iface, vlan)
ovs_networks_stats[vlan_name] = stats[network]
ovs_networks_stats[vlan_name]['name'] = vlan_name
hooking.log('Updating network stats with OVS networks: %s' %
ovs_networks_stats)
return ovs_networks_stats
def ovs_networks_stats(stats):
"""Get OVS networks from RunningConfig and assign them network stats
dictionaries from underlying devices. Fake bridges and bonds already have
stats with their names.
Note, that it takes some time for a new device to appear in stats, so we
first check if the device we got from running_config is already reported.
"""
ovs_networks_stats = {}
running_config = RunningConfig()
for network, attrs in six.iteritems(running_config.networks):
if is_ovs_network(attrs):
vlan = attrs.get('vlan')
iface = attrs.get('nic') or attrs.get('bonding')
if vlan is None and iface in stats:
# Untagged networks use OVS bridge as their bridge, but Engine
# expects a bridge with 'network-name' name. create a copy of
# top underlying device stats and save it as bridge's stats.
# NOTE: copy stats of ovsbr0? (now we repots iface's stats)
ovs_networks_stats[network] = stats[iface]
ovs_networks_stats[network]['name'] = network
elif network in stats:
# Engine expects stats entries for vlans named 'iface.id'
vlan_name = '%s.%s' % (iface, vlan)
ovs_networks_stats[vlan_name] = stats[network]
ovs_networks_stats[vlan_name]['name'] = vlan_name
return ovs_networks_stats
def _process_domxml(tree):
root = tree.getroot()
devices = root.find('devices')
running_config = netconfpersistence.RunningConfig()
for interface in devices.findall('interface'):
if interface.get('type') == 'bridge':
elem_virtualport = interface.find('virtualport')
elem_source = interface.find('source')
# 'source bridge' element must exist
source_bridge = elem_source.get('bridge')
source_bridge = _find_non_vlan_network(running_config,
source_bridge)
net_attrs = running_config.networks.get(source_bridge)
if net_attrs is None:
print('Network', source_bridge, 'does not exist',
file=sys.stderr)
sys.exit(1)
if ovs_utils.is_ovs_network(net_attrs):
_bind_iface_to_ovs(elem_source, elem_virtualport, interface,
net_attrs)
else:
_bind_iface_to_linux_bridge(elem_source, elem_virtualport,
interface, net_attrs,
source_bridge)
def _drop_ovs_nets_config(running_config):
for net, attrs in list(six.iteritems(running_config.networks)):
if is_ovs_network(attrs):
running_config.networks.pop(net)
for bond, attrs in list(six.iteritems(running_config.bonds)):
if is_ovs_bond(attrs):
running_config.bonds.pop(bond)
running_config.save()
def _drop_ovs_nets_config(running_config):
for net, attrs in list(six.iteritems(running_config.networks)):
if is_ovs_network(attrs):
running_config.networks.pop(net)
for bond, attrs in list(six.iteritems(running_config.bonds)):
if is_ovs_bond(attrs):
running_config.bonds.pop(bond)
running_config.save()
def _separate_ovs_nets_bonds(nets, bonds, running_config):
""" Get a dictionaries of nets and bonds to be handled by OVS hook and
those to be handled by standard configurator.
"""
ovs_nets = {}
non_ovs_nets = {}
ovs_bonds = {}
non_ovs_bonds = {}
for net, attrs in six.iteritems(nets):
if (('remove' in attrs and net in running_config.networks and
is_ovs_network(running_config.networks[net])) or
is_ovs_network(attrs)):
ovs_nets[net] = attrs
else:
non_ovs_nets[net] = attrs
for bond, attrs in six.iteritems(bonds):
if (('remove' in attrs and bond in running_config.bonds and
is_ovs_bond(running_config.bonds[bond])) or
is_ovs_bond(attrs)):
ovs_bonds[bond] = attrs
else:
non_ovs_bonds[bond] = attrs
return ovs_nets, non_ovs_nets, ovs_bonds, non_ovs_bonds
def _separate_ovs_nets_bonds(nets, bonds, running_config):
""" Get a dictionaries of nets and bonds to be handled by OVS hook and
those to be handled by standard configurator.
"""
ovs_nets = {}
non_ovs_nets = {}
ovs_bonds = {}
non_ovs_bonds = {}
for net, attrs in six.iteritems(nets):
if (('remove' in attrs and net in running_config.networks
and is_ovs_network(running_config.networks[net]))
or is_ovs_network(attrs)):
ovs_nets[net] = attrs
else:
non_ovs_nets[net] = attrs
for bond, attrs in six.iteritems(bonds):
if (('remove' in attrs and bond in running_config.bonds
and is_ovs_bond(running_config.bonds[bond]))
or is_ovs_bond(attrs)):
ovs_bonds[bond] = attrs
else:
non_ovs_bonds[bond] = attrs
return ovs_nets, non_ovs_nets, ovs_bonds, non_ovs_bonds
def bridges_caps(running_config):
ovs_bridges_caps = {}
dhcpv4ifaces, dhcpv6ifaces = netinfo._get_dhclient_ifaces()
routes = netinfo._get_routes()
for network, attrs in running_config.networks.items():
if is_ovs_network(attrs):
interface = network if "vlan" in attrs else BRIDGE_NAME
net_info = _get_net_info(attrs, interface, dhcpv4ifaces, dhcpv6ifaces, routes)
net_info["bridged"] = True
net_info["ports"] = [] # TODO attached nics + vms nets
net_info["opts"] = {} # TODO netinfo.bridgeOpts does not work here
net_info["stp"] = _get_stp(interface)
ovs_bridges_caps[network] = net_info
return ovs_bridges_caps
def vlans_caps(running_config):
ovs_vlans_caps = {}
dhcpv4ifaces, dhcpv6ifaces = netinfo._get_dhclient_ifaces()
routes = netinfo._get_routes()
for network, attrs in running_config.networks.items():
if is_ovs_network(attrs):
vlan = attrs.get("vlan")
if vlan is not None:
net_info = _get_net_info(attrs, network, dhcpv4ifaces, dhcpv6ifaces, routes)
iface = attrs.get("bonding") or attrs.get("nic")
net_info["iface"] = iface
net_info["bridged"] = True
net_info["vlanid"] = vlan
ovs_vlans_caps["%s.%s" % (iface, vlan)] = net_info
return ovs_vlans_caps
def ovs_device(domxml):
""" Modify interface XML in Libvirt to proper OVS configuration if OVS
network is set as a source.
"""
running_config = RunningConfig()
iface = domxml.getElementsByTagName('interface')[0]
source = iface.getElementsByTagName('source')[0]
source_bridge = source.getAttribute('bridge')
network = running_config.networks.get(source_bridge)
if network is None:
hooking.exit_hook('Network %s does not exist' % source_bridge)
if is_ovs_network(network):
virtualport = domxml.createElement('virtualport')
virtualport.setAttribute('type', 'openvswitch')
iface.appendChild(virtualport)
if network.get('vlan') is None:
source.setAttribute('bridge', BRIDGE_NAME)
def ovs_device(domxml):
""" Modify interface XML in Libvirt to proper OVS configuration if OVS
network is set as a source.
"""
running_config = RunningConfig()
iface = domxml.getElementsByTagName('interface')[0]
source = iface.getElementsByTagName('source')[0]
source_bridge = source.getAttribute('bridge')
network = running_config.networks.get(source_bridge)
if network is None:
hooking.exit_hook('Network %s does not exist' % source_bridge)
if is_ovs_network(network):
virtualport = domxml.createElement('virtualport')
virtualport.setAttribute('type', 'openvswitch')
iface.appendChild(virtualport)
if network.get('vlan') is None:
source.setAttribute('bridge', BRIDGE_NAME)
