def get_server_external_ipv4(cloud, server):
if cloud.has_service('network'):
try:
# Search a fixed IP attached to an external net. Unfortunately
# Neutron ports don't have a 'floating_ips' attribute
server_ports = cloud.search_ports(
filters={'device_id': server.id})
ext_nets = cloud.search_networks(filters={'router:external': True})
except Exception as e:
log.debug(
"Something went wrong talking to neutron API: "
"'{msg}'. Trying with Nova.".format(msg=str(e)))
# Fall-through, trying with Nova
else:
for net in ext_nets:
for port in server_ports:
if net['id'] == port['network_id']:
for ip in port['fixed_ips']:
if _utils.is_ipv4(ip['ip_address']):
return ip['ip_address']
# The server doesn't have an interface on an external network so it
# can either have a floating IP or have no way to be reached from
# outside the cloud.
# Fall-through, trying with Nova
# The cloud doesn't support Neutron or Neutron can't be contacted. The
# server might have fixed addresses that are reachable from outside the
# cloud (e.g. Rax) or have plain ol' floating IPs
# Try to get an address from a network named 'public'
ext_ip = get_server_ip(server, key_name='public')
if ext_ip is not None:
return ext_ip
# Try to find a globally routable IP address
for interfaces in server.addresses.values():
for interface in interfaces:
if _utils.is_ipv4(interface['addr']) and \
_utils.is_globally_routable_ipv4(interface['addr']):
return interface['addr']
# Last, try to get a floating IP address
ext_ip = get_server_ip(server, ext_tag='floating')
if ext_ip is not None:
return ext_ip
return None
def get_server_external_ipv4(cloud, server):
"""Find an externally routable IP for the server.
There are 5 different scenarios we have to account for:
* Cloud has externally routable IP from neutron but neutron APIs don't
work (only info available is in nova server record) (rackspace)
* Cloud has externally routable IP from neutron (runabove, ovh)
* Cloud has externally routable IP from neutron AND supports optional
private tenant networks (vexxhost, unitedstack)
* Cloud only has private tenant network provided by neutron and requires
floating-ip for external routing (dreamhost, hp)
* Cloud only has private tenant network provided by nova-network and
requires floating-ip for external routing (auro)
:param cloud: the cloud we're working with
:param server: the server dict from which we want to get an IPv4 address
:return: a string containing the IPv4 address or None
"""
if server['accessIPv4']:
return server['accessIPv4']
if cloud.has_service('network'):
try:
# Search a fixed IP attached to an external net. Unfortunately
# Neutron ports don't have a 'floating_ips' attribute
server_ports = cloud.search_ports(
filters={'device_id': server.id})
ext_nets = cloud.search_networks(filters={'router:external': True})
except Exception as e:
log.debug(
"Something went wrong talking to neutron API: "
"'{msg}'. Trying with Nova.".format(msg=str(e)))
# Fall-through, trying with Nova
else:
for net in ext_nets:
for port in server_ports:
if net['id'] == port['network_id']:
for ip in port['fixed_ips']:
if _utils.is_ipv4(ip['ip_address']):
return ip['ip_address']
# The server doesn't have an interface on an external network so it
# can either have a floating IP or have no way to be reached from
# outside the cloud.
# Fall-through, trying with Nova
# The cloud doesn't support Neutron or Neutron can't be contacted. The
# server might have fixed addresses that are reachable from outside the
# cloud (e.g. Rax) or have plain ol' floating IPs
# Try to get an address from a network named 'public'
ext_ip = get_server_ip(server, key_name='public')
if ext_ip is not None:
return ext_ip
# Try to find a globally routable IP address
for interfaces in server.addresses.values():
for interface in interfaces:
if _utils.is_ipv4(interface['addr']) and \
_utils.is_globally_routable_ipv4(interface['addr']):
return interface['addr']
# Last, try to get a floating IP address
ext_ip = get_server_ip(server, ext_tag='floating')
if ext_ip is not None:
return ext_ip
return None
