def get_vr_address():
# Get the address of the virtual router via dhcp leases
# If no virtual router is detected, fallback on default gateway.
# See http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/4.8/virtual_machines/user-data.html # noqa
# Try networkd first...
latest_address = dhcp.networkd_get_option_from_leases('SERVER_ADDRESS')
if latest_address:
LOG.debug("Found SERVER_ADDRESS '%s' via networkd_leases",
latest_address)
return latest_address
# Try dhcp lease files next...
lease_file = get_latest_lease()
if not lease_file:
LOG.debug("No lease file found, using default gateway")
return get_default_gateway()
with open(lease_file, "r") as fd:
for line in fd:
if "dhcp-server-identifier" in line:
words = line.strip(" ;\r\n").split(" ")
if len(words) > 2:
dhcptok = words[2]
LOG.debug("Found DHCP identifier %s", dhcptok)
latest_address = dhcptok
if not latest_address:
# No virtual router found, fallback on default gateway
LOG.debug("No DHCP found, using default gateway")
return get_default_gateway()
return latest_address
def get_vr_address():
# Get the address of the virtual router via dhcp leases
# If no virtual router is detected, fallback on default gateway.
# See http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/4.8/virtual_machines/user-data.html # noqa
# Try networkd first...
latest_address = dhcp.networkd_get_option_from_leases('SERVER_ADDRESS')
if latest_address:
LOG.debug("Found SERVER_ADDRESS '%s' via networkd_leases",
latest_address)
return latest_address
# Try dhcp lease files next...
lease_file = get_latest_lease()
if not lease_file:
LOG.debug("No lease file found, using default gateway")
return get_default_gateway()
with open(lease_file, "r") as fd:
for line in fd:
if "dhcp-server-identifier" in line:
words = line.strip(" ;\r\n").split(" ")
if len(words) > 2:
dhcptok = words[2]
LOG.debug("Found DHCP identifier %s", dhcptok)
latest_address = dhcptok
if not latest_address:
# No virtual router found, fallback on default gateway
LOG.debug("No DHCP found, using default gateway")
return get_default_gateway()
return latest_address
def _networkd_get_value_from_leases(leases_d=None):
return dhcp.networkd_get_option_from_leases('OPTION_245',
leases_d=leases_d)
def _networkd_get_value_from_leases(leases_d=None):
return dhcp.networkd_get_option_from_leases(
'OPTION_245', leases_d=leases_d)
