def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
_permanent_hwaddr_info(devs_report)
return devs_report
def visible_devs(predicate):
"""Returns a list of visible (vdsm manageable) links for which the
predicate is True"""
return [
dev.name for dev in getLinks()
if predicate(dev) and not dev.isHidden()
]
def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = {'iface': dev.device,
'vlanid': dev.vlanid}
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
_permanent_hwaddr_info(devs_report)
return devs_report
def _devices_report(ipaddrs, routes, paddr):
devs_report = {"bondings": {}, "bridges": {}, "nics": {}, "vlans": {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report["bridges"][dev.name] = bridges.info(dev)
elif dev.isNICLike():
devinfo = devs_report["nics"][dev.name] = nics.info(dev, paddr)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report["bondings"][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report["vlans"][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
return devs_report
def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = {
'iface': dev.device,
'vlanid': dev.vlanid,
}
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
_permanent_hwaddr_info(devs_report)
return devs_report
def _devices_report(ipaddrs, routes):
devs_report = {'bondings': {}, 'bridges': {}, 'nics': {}, 'vlans': {}}
devinfo_by_devname = {}
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = devs_report['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
if dev.isDPDK():
devinfo = devs_report['nics'][dev.name] = dpdk.info(dev)
else:
devinfo = devs_report['nics'][dev.name] = nics.info(dev)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = devs_report['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = devs_report['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
devinfo_by_devname[dev.name] = devinfo
dhcp_info = dhclient.dhcp_info(frozenset(devinfo_by_devname))
for devname, devinfo in devinfo_by_devname.items():
devinfo.update(dhcp_info[devname])
_permanent_hwaddr_info(devs_report)
return devs_report
def cleanup_leftover_interfaces():
for interface in getLinks():
if TEST_NIC_REGEX.match(interface.name):
logging.warning('Found leftover interface %s', interface)
try:
Interface.from_existing_dev_name(interface.name).remove()
except Exception as e:
logging.warning('Removal of "%s" failed: %s', interface, e)
def _get_links_with_state_down(links):
return set(
l.name
for l in ipwrapper.getLinks()
if l.name in links
and _owned_ifcfg(l.name)
and _onboot_ifcfg(l.name)
and not l.oper_up
)
def test_ip_link_wrapper(self, bridge0, nics, bond0, vlan0):
device_links = ipwrapper.getLinks()
devices = {device.name: device for device in device_links}
# Test all devices to be there.
assert set([bridge0, bond0, vlan0] + nics) <= set(devices)
assert devices[bridge0].isBRIDGE()
assert devices[nics[0]].isDUMMY()
assert devices[nics[1]].isDUMMY()
assert devices[bond0].isBOND()
assert devices[vlan0].isVLAN()
def _get_interfaces_and_samples():
links_and_samples = {}
for link in ipwrapper.getLinks():
try:
links_and_samples[link.name] = InterfaceSample(link)
except IOError as e:
# this handles a race condition where the device is now no
# longer exists and netlink fails to fetch it
if e.errno == errno.ENODEV:
continue
raise
return links_and_samples
def _get_interfaces_and_samples():
links_and_samples = {}
for link in ipwrapper.getLinks():
try:
links_and_samples[link.name] = InterfaceSample(link)
except IOError as e:
# this handles a race condition where the device is now no
# longer exists and netlink fails to fetch it
if e.errno == errno.ENODEV:
continue
raise
return links_and_samples
def _get(vdsmnets=None):
"""
Generate a networking report for all devices, including data managed by
libvirt.
In case vdsmnets is provided, it is used in the report instead of
retrieving data from libvirt.
:return: Dict of networking devices with all their details.
"""
networking = {
'bondings': {},
'bridges': {},
'networks': {},
'nics': {},
'vlans': {},
'dnss': get_host_nameservers()
}
paddr = bonding.permanent_address()
ipaddrs = getIpAddrs()
routes = get_routes()
if vdsmnets is None:
libvirt_nets = libvirt.networks()
networking['networks'] = libvirtNets2vdsm(libvirt_nets, routes,
ipaddrs)
else:
networking['networks'] = vdsmnets
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = networking['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
devinfo = networking['nics'][dev.name] = nics.info(dev, paddr)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = networking['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = networking['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
for network_name, network_info in six.iteritems(networking['networks']):
updates = propose_updates_to_reported_dhcp(network_info, networking)
update_reported_dhcp(updates, networking)
networking['networks'][network_name].update(LEGACY_SWITCH)
report_network_qos(networking)
networking['supportsIPv6'] = ipv6_supported()
return networking
def wait_for_device(name, timeout=1):
"""
Wait for a network device to appear in a given timeout. If the device is
not created by then, raise a ConfigNetworkError.
"""
with monitor.Monitor(timeout=timeout, groups=('link',),
silent_timeout=True) as mon:
if name in (link.name for link in ipwrapper.getLinks()):
return
for event in mon:
if event.get('name') == name and event.get('event') == 'new_link':
return
raise ConfigNetworkError(ERR_FAILED_IFUP, 'Device %s was not created '
'during a %ss timeout.' % (name, timeout))
def _lldp_init():
""""
Enables receiving of LLDP frames for all nics. If sending or receiving
LLDP frames is already enabled on a nic, it is not modified.
"""
if Lldp.is_active():
for device in (link for link in getLinks() if link.isNIC()):
if not Lldp.is_lldp_enabled_on_iface(device.name):
try:
Lldp.enable_lldp_on_iface(device.name)
except lldp.EnableLldpError:
logging.warning('Ignoring failure to enable LLDP on %s',
device.name, exc_info=True)
else:
logging.warning('LLDP is inactive, skipping LLDP initialization')
def wait_for_device(name, timeout=1):
"""
Wait for a network device to appear in a given timeout. If the device is
not created by then, raise a ConfigNetworkError.
"""
with monitor.Monitor(timeout=timeout,
groups=('link', ),
silent_timeout=True) as mon:
if name in (link.name for link in ipwrapper.getLinks()):
return
for event in mon:
if event.get('name') == name and event.get('event') == 'new_link':
return
raise ConfigNetworkError(
ERR_FAILED_IFUP, 'Device %s was not created '
'during a %ss timeout.' % (name, timeout))
def _get(vdsmnets=None):
"""
Generate a networking report for all devices, including data managed by
libvirt.
In case vdsmnets is provided, it is used in the report instead of
retrieving data from libvirt.
:return: Dict of networking devices with all their details.
"""
networking = {'bondings': {}, 'bridges': {}, 'networks': {}, 'nics': {},
'vlans': {}, 'dnss': get_host_nameservers()}
paddr = bonding.permanent_address()
ipaddrs = getIpAddrs()
routes = get_routes()
if vdsmnets is None:
libvirt_nets = libvirt.networks()
networking['networks'] = libvirtNets2vdsm(libvirt_nets, routes,
ipaddrs)
else:
networking['networks'] = vdsmnets
for dev in (link for link in getLinks() if not link.isHidden()):
if dev.isBRIDGE():
devinfo = networking['bridges'][dev.name] = bridges.info(dev)
elif dev.isNICLike():
devinfo = networking['nics'][dev.name] = nics.info(dev, paddr)
devinfo.update(bonding.get_bond_slave_agg_info(dev.name))
elif dev.isBOND():
devinfo = networking['bondings'][dev.name] = bonding.info(dev)
devinfo.update(bonding.get_bond_agg_info(dev.name))
devinfo.update(LEGACY_SWITCH)
elif dev.isVLAN():
devinfo = networking['vlans'][dev.name] = vlans.info(dev)
else:
continue
devinfo.update(_devinfo(dev, routes, ipaddrs))
for network_name, network_info in six.iteritems(networking['networks']):
updates = propose_updates_to_reported_dhcp(network_info, networking)
update_reported_dhcp(updates, networking)
networking['networks'][network_name].update(LEGACY_SWITCH)
report_network_qos(networking)
networking['supportsIPv6'] = ipv6_supported()
return networking
def testIpLinkWrapper(self):
"""Tests that the created devices are properly parsed by the ipwrapper
Link class."""
BIG_MTU = 2000
VLAN_NAME = '%s.%s' % (BONDING_NAME, VLAN_ID)
with dummyIf(2) as nics:
status, msg = self.setupNetworks(
{
NETWORK_NAME: {
'bonding': BONDING_NAME,
'bridged': True,
'vlan': VLAN_ID,
'mtu': BIG_MTU
}
}, {BONDING_NAME: {
'nics': nics
}}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
deviceLinks = getLinks()
deviceNames = [device.name for device in deviceLinks]
# Test all devices to be there.
self.assertIn(NETWORK_NAME, deviceNames)
self.assertIn(BONDING_NAME, deviceNames)
self.assertIn(nics[0], deviceNames)
self.assertIn(nics[1], deviceNames)
self.assertIn(VLAN_NAME, deviceNames)
for device in deviceLinks:
if device.name == NETWORK_NAME:
self.assertEqual(device.type, LinkType.BRIDGE)
elif device.name in nics:
self.assertEqual(device.type, LinkType.DUMMY)
elif device.name == VLAN_NAME:
self.assertEqual(device.type, LinkType.VLAN)
elif device.name == BONDING_NAME:
self.assertEqual(device.type, LinkType.BOND)
self.assertEqual(device.mtu, BIG_MTU)
# Cleanup
status, msg = self.setupNetworks({NETWORK_NAME: {
'remove': True
}}, {BONDING_NAME: {
'remove': True
}}, NOCHK)
self.assertEqual(status, SUCCESS, msg)
def _delTarget(network, parent, target):
fs = list(filters(network, parent))
if fs:
filt = fs[0]
else:
return []
devices = set(link.name for link in ipwrapper.getLinks())
acts = [act for act in filt.actions
if act.target in devices and act.target != target]
if acts:
filt = Filter(prio=filt.prio, handle=filt.handle, actions=acts)
_filter_replace(network, parent, filt)
else:
tc_filter.delete(network, filt.prio, parent=parent)
return acts
def _delTarget(network, parent, target):
fs = list(filters(network, parent))
if fs:
filt = fs[0]
else:
return []
devices = set(link.name for link in ipwrapper.getLinks())
acts = [act for act in filt.actions
if act.target in devices and act.target != target]
if acts:
filt = Filter(prio=filt.prio, handle=filt.handle, actions=acts)
_filter_replace(network, parent, filt)
else:
tc_filter.delete(network, filt.prio, parent=parent)
return acts
def _lldp_init():
""""
Enables receiving of LLDP frames for all nics. If sending or receiving
LLDP frames is already enabled on a nic, it is not modified.
"""
if not config.getboolean('vars', 'enable_lldp'):
logging.warning('LLDP is disabled')
return
if Lldp.is_active():
for device in (link for link in getLinks() if link.isNIC()):
if not Lldp.is_lldp_enabled_on_iface(device.name):
try:
Lldp.enable_lldp_on_iface(device.name)
except lldp.EnableLldpError:
logging.warning('Ignoring failure to enable LLDP on %s',
device.name, exc_info=True)
else:
logging.warning('LLDP is inactive, skipping LLDP initialization')
def _get_links_with_state_down(links):
return set(l.name for l in ipwrapper.getLinks() if
l.name in links and
_owned_ifcfg(l.name) and
_onboot_ifcfg(l.name) and
not l.oper_up)
def visible_devs(predicate):
"""Returns a list of visible (vdsm manageable) links for which the
predicate is True"""
return [dev.name for dev in getLinks() if predicate(dev) and
not dev.isHidden()]