def network_config(self):
"""Return a network config dict for rendering ENI or netplan files."""
if self._network_config != sources.UNSET:
return self._network_config
if self.metadata is None:
# this would happen if get_data hadn't been called. leave as UNSET
LOG.warning(
"Unexpected call to network_config when metadata is None.")
return None
result = None
no_network_metadata_on_aws = bool(
'network' not in self.metadata and
self.cloud_platform == Platforms.AWS)
if no_network_metadata_on_aws:
LOG.debug("Metadata 'network' not present:"
" Refreshing stale metadata from prior to upgrade.")
util.log_time(
logfunc=LOG.debug, msg='Re-crawl of metadata service',
func=self._crawl_metadata)
# Limit network configuration to only the primary/fallback nic
iface = self.fallback_interface
macs_to_nics = {net.get_interface_mac(iface): iface}
net_md = self.metadata.get('network')
if isinstance(net_md, dict):
result = convert_ec2_metadata_network_config(
net_md, macs_to_nics=macs_to_nics, fallback_nic=iface)
else:
LOG.warning("Metadata 'network' key not valid: %s.", net_md)
self._network_config = result
return self._network_config
def test_get_interface_mac_grabs_bonding_address(self):
"""get_interfaces returns the source device mac for bonded devices."""
source_dev_mac = 'aa:bb:cc:aa:bb:cc'
bonded_mac = 'dd:ee:ff:dd:ee:ff'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bonded_mac)
write_file(
os.path.join(self.sysdir, 'eth1', 'bonding_slave', 'perm_hwaddr'),
source_dev_mac)
self.assertEqual(source_dev_mac, net.get_interface_mac('eth1'))
def test_get_interface_mac_grabs_bonding_address(self):
"""get_interfaces returns the source device mac for bonded devices."""
source_dev_mac = 'aa:bb:cc:aa:bb:cc'
bonded_mac = 'dd:ee:ff:dd:ee:ff'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bonded_mac)
write_file(
os.path.join(self.sysdir, 'eth1', 'bonding_slave', 'perm_hwaddr'),
source_dev_mac)
self.assertEqual(source_dev_mac, net.get_interface_mac('eth1'))
def network_config(self):
"""Return a network config dict for rendering ENI or netplan files."""
if self._network_config != sources.UNSET:
return self._network_config
if self.metadata is None:
# this would happen if get_data hadn't been called. leave as UNSET
LOG.warning(
"Unexpected call to network_config when metadata is None.")
return None
result = None
no_network_metadata_on_aws = bool(
'network' not in self.metadata and
self.cloud_name == CloudNames.AWS)
if no_network_metadata_on_aws:
LOG.debug("Metadata 'network' not present:"
" Refreshing stale metadata from prior to upgrade.")
util.log_time(
logfunc=LOG.debug, msg='Re-crawl of metadata service',
func=self.get_data)
# Limit network configuration to only the primary/fallback nic
iface = self.fallback_interface
macs_to_nics = {net.get_interface_mac(iface): iface}
net_md = self.metadata.get('network')
if isinstance(net_md, dict):
result = convert_ec2_metadata_network_config(
net_md, macs_to_nics=macs_to_nics, fallback_nic=iface)
# RELEASE_BLOCKER: xenial should drop the below if statement,
# because the issue being addressed doesn't exist pre-netplan.
# (This datasource doesn't implement check_instance_id() so the
# datasource object is recreated every boot; this means we don't
# need to modify update_events on cloud-init upgrade.)
# Non-VPC (aka Classic) Ec2 instances need to rewrite the
# network config file every boot due to MAC address change.
if self.is_classic_instance():
self.update_events['network'].add(EventType.BOOT)
else:
LOG.warning("Metadata 'network' key not valid: %s.", net_md)
self._network_config = result
return self._network_config
def network_config(self):
"""Generate a network config like net.generate_fallback_network() with
the following execptions.
1. Probe the drivers of the net-devices present and inject them in
the network configuration under params: driver: <driver> value
2. If the driver value is 'mlx4_core', the control mode should be
set to manual. The device will be later used to build a bond,
for now we want to ensure the device gets named but does not
break any network configuration
"""
blacklist = ['mlx4_core']
if not self._network_config:
LOG.debug('Azure: generating fallback configuration')
# generate a network config, blacklist picking any mlx4_core devs
netconfig = net.generate_fallback_config(
blacklist_drivers=blacklist, config_driver=True)
# if we have any blacklisted devices, update the network_config to
# include the device, mac, and driver values, but with no ip
# config; this ensures udev rules are generated but won't affect
# ip configuration
bl_found = 0
for bl_dev in [
dev for dev in net.get_devicelist()
if net.device_driver(dev) in blacklist
]:
bl_found += 1
cfg = {
'type': 'physical',
'name': 'vf%d' % bl_found,
'mac_address': net.get_interface_mac(bl_dev),
'params': {
'driver': net.device_driver(bl_dev),
'device_id': net.device_devid(bl_dev),
},
}
netconfig['config'].append(cfg)
self._network_config = netconfig
return self._network_config
def network_config(self):
"""Return a network config dict for rendering ENI or netplan files."""
if self._network_config != sources.UNSET:
return self._network_config
if self.metadata is None:
# this would happen if get_data hadn't been called. leave as UNSET
LOG.warning(
"Unexpected call to network_config when metadata is None.")
return None
result = None
no_network_metadata_on_aws = bool(
'network' not in self.metadata
and self.cloud_name == CloudNames.AWS)
if no_network_metadata_on_aws:
LOG.debug("Metadata 'network' not present:"
" Refreshing stale metadata from prior to upgrade.")
util.log_time(logfunc=LOG.debug,
msg='Re-crawl of metadata service',
func=self.get_data)
# Limit network configuration to only the primary/fallback nic
iface = self.fallback_interface
macs_to_nics = {net.get_interface_mac(iface): iface}
net_md = self.metadata.get('network')
if isinstance(net_md, dict):
result = convert_ec2_metadata_network_config(
net_md, macs_to_nics=macs_to_nics, fallback_nic=iface)
# RELEASE_BLOCKER: Xenial debian/postinst needs to add
# EventType.BOOT on upgrade path for classic.
# Non-VPC (aka Classic) Ec2 instances need to rewrite the
# network config file every boot due to MAC address change.
if self.is_classic_instance():
self.update_events['network'].add(EventType.BOOT)
else:
LOG.warning("Metadata 'network' key not valid: %s.", net_md)
self._network_config = result
return self._network_config
def test_get_interface_mac(self):
"""get_interfaces returns the mac from SYS_CLASS_NET/dev/address."""
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac)
self.assertEqual(mac, net.get_interface_mac('eth1'))
def test_get_interface_mac_false_with_no_mac(self):
"""get_device_list returns False when no mac is reported."""
ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding'))
mac_path = os.path.join(self.sysdir, 'eth0', 'address')
self.assertFalse(os.path.exists(mac_path))
self.assertFalse(net.get_interface_mac('eth0'))
def get_interface_mac(self, devname: DeviceName):
return net.get_interface_mac(devname)
def test_get_interface_mac(self):
"""get_interfaces returns the mac from SYS_CLASS_NET/dev/address."""
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac)
self.assertEqual(mac, net.get_interface_mac('eth1'))
def test_get_interface_mac_false_with_no_mac(self):
"""get_device_list returns False when no mac is reported."""
ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding'))
mac_path = os.path.join(self.sysdir, 'eth0', 'address')
self.assertFalse(os.path.exists(mac_path))
self.assertFalse(net.get_interface_mac('eth0'))
