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Merge "Add ability to allocate floating IP"

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Zuul
2026-05-04 16:43:39 +00:00
committed by Gerrit Code Review
parent d4a77620cc f0e0388159
commit a02bba1152
2 changed files with 446 additions and 164 deletions
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187
ci/roles/floating_ip/tasks/main.yml
View File

@@ -27,6 +27,12 @@
name: ansible_external
external: true
- name: Gather information about external network
openstack.cloud.networks_info:
cloud: "{{ cloud }}"
name: ansible_external
register: external_network
- name: Create external subnet
openstack.cloud.subnet:
cloud: "{{ cloud }}"
@@ -98,6 +104,17 @@
- ip_address: 10.7.7.102
register: port3
- name: Create internal port 4
openstack.cloud.port:
cloud: "{{ cloud }}"
state: present
name: ansible_internal_port4
network: ansible_internal
fixed_ips:
- ip_address: 10.7.7.103
- ip_address: 10.7.7.104
register: port4
- name: Create router 1
openstack.cloud.router:
cloud: "{{ cloud }}"
@@ -136,10 +153,31 @@
selectattr('floating_network_id', '==', public_network.networks.0.id)|
list|length > 0 }}"
# TODO: Replace with appropriate Ansible module once available
- name: Create a floating ip on public network (required for simplest, first floating ip test)
command: openstack --os-cloud={{ cloud }} floating ip create public
when: not public_network_had_fips
block:
- name: Create a floating ip on public network
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: present
network: public
register: public_fip_result
- name: Verify floating ip got created
assert:
that:
- public_fip_result.floating_ip.floating_network_id == public_network.networks.0.id
- name: Create a floating ip on public network again
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: present
network: public
register: public_fip_result
- name: Verify idempotency
assert:
that: public_fip_result is not changed
# TODO: Replace with appropriate Ansible module once available
- name: Create floating ip 1 on external network
@@ -151,6 +189,90 @@
when: fips.floating_ips|length == 0 or
"10.6.6.150" not in fips.floating_ips|map(attribute="floating_ip_address")|list
- name: Create floating ip 2 on external network
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: present
network: ansible_external
floating_ip_address: 10.6.6.151
register: external_fip2_result
- name: Verify floating ip got created
assert:
that:
- external_fip2_result.floating_ip.floating_network_id == external_network.networks.0.id
- name: Update floating ip 2 on external network
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: present
network: ansible_external
floating_ip_address: 10.6.6.151
nat_destination: ansible_internal
fixed_address: 10.7.7.104
register: external_fip2_result
- name: Verify floating ip got updated
assert:
that:
- external_fip2_result is changed
- external_fip2_result.floating_ip.floating_ip_address == "10.6.6.151"
- external_fip2_result.floating_ip.port_id == port4.port.id
- external_fip2_result.floating_ip.fixed_ip_address == "10.7.7.104"
- name: Update floating ip 2 on external network again
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: present
network: ansible_external
floating_ip_address: 10.6.6.151
nat_destination: ansible_internal
fixed_address: 10.7.7.104
register: external_fip2_result
- name: Verify idempotency
assert:
that:
- external_fip2_result is not changed
- name: Detatch floating ip 2 on external network from port
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
network: ansible_external
floating_ip_address: 10.6.6.151
- name: Get floating ip 2 info
openstack.cloud.floating_ip_info:
cloud: "{{ cloud }}"
floating_ip_address: 10.6.6.151
register: external_fip2_result
- name: Verify floating ip got detached
assert:
that:
- external_fip2_result.floating_ips.0.floating_ip_address == "10.6.6.151"
- external_fip2_result.floating_ips.0.fixed_ip_address == none
- external_fip2_result.floating_ips.0.port_id == none
- name: Detatch floating ip 2 on external network from port again
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
network: ansible_external
floating_ip_address: 10.6.6.151
- name: Get floating ip 2 info
openstack.cloud.floating_ip_info:
cloud: "{{ cloud }}"
floating_ip_address: 10.6.6.151
register: external_fip2_result
- name: Verify idempotency
assert:
that:
- external_fip2_result is not changed
- name: Create server 1 with one nic
openstack.cloud.server:
cloud: "{{ cloud }}"
@@ -433,18 +555,41 @@
cloud: "{{ cloud }}"
register: fips
# TODO: Replace with appropriate Ansible module once available
- name: Delete floating ip on public network if we created it
when: not public_network_had_fips
command: >
openstack --os-cloud={{ cloud }} floating ip delete
{{ fips.floating_ips|selectattr('floating_network_id', '==', public_network.networks.0.id)|
map(attribute="floating_ip_address")|list|join(' ') }}
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
purge: true
floating_ip_address: "{{ public_fip }}"
network: public
loop: >-
{{
fips.floating_ips |
selectattr('floating_network_id', '==', public_network.networks.0.id) |
map(attribute="floating_ip_address") |
list
}}
loop_control:
loop_var: public_fip
# TODO: Replace with appropriate Ansible module once available
- name: Delete floating ip 1
command: openstack --os-cloud={{ cloud }} floating ip delete 10.6.6.150
when: fips.floating_ips|length > 0 and "10.6.6.150" in fips.floating_ips|map(attribute="floating_ip_address")|list
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
purge: true
floating_ip_address: 10.6.6.150
network: ansible_external
- name: Delete floating ip 2
when: fips.floating_ips|length > 0 and "10.6.6.151" in fips.floating_ips|map(attribute="floating_ip_address")|list
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
purge: true
floating_ip_address: 10.6.6.151
network: ansible_external
- name: Get remaining floating ips on external network
openstack.cloud.floating_ip_info:
@@ -452,14 +597,24 @@
floating_network: ansible_external
register: fips
# TODO: Replace with appropriate Ansible module once available
# The first, simple floating ip test might have allocated a floating ip on the external network.
# This floating ip must be removed before external network can be deleted.
- name: Delete remaining floating ips on external network
when: fips.floating_ips|length > 0
command: >
openstack --os-cloud={{ cloud }} floating ip delete
{{ fips.floating_ips|map(attribute="floating_ip_address")|list|join(' ') }}
openstack.cloud.floating_ip:
cloud: "{{ cloud }}"
state: absent
purge: true
floating_ip_address: "{{ external_fip }}"
network: ansible_external
loop: >-
{{
fips.floating_ips |
map(attribute="floating_ip_address") |
list
}}
loop_control:
loop_var: external_fip
# Remove routers after floating ips have been detached and disassociated else removal fails with
# Error detaching interface from router ***: Client Error for url: ***,
@@ -478,6 +633,12 @@
state: absent
name: ansible_router1
- name: Delete internal port 4
openstack.cloud.port:
cloud: "{{ cloud }}"
state: absent
name: ansible_internal_port4
- name: Delete internal port 3
openstack.cloud.port:
cloud: "{{ cloud }}"

423
plugins/modules/floating_ip.py
View File

@@ -17,8 +17,9 @@ description:
options:
fixed_address:
description:
- To which fixed IP of server the floating IP address should be
- To which fixed IP of attached port the floating IP address should be
attached to.
aliases: ["fixed_ip_address"]
type: str
floating_ip_address:
description:
@@ -35,6 +36,7 @@ options:
network:
description:
- The name or ID of a neutron external network or a nova pool name.
- When I(server) is not defined, I(network) is required
type: str
purge:
description:
@@ -57,7 +59,6 @@ options:
description:
- The name or ID of the server to which the IP address
should be assigned.
required: true
type: str
state:
description:
@@ -183,23 +184,24 @@ from ansible_collections.openstack.cloud.plugins.module_utils.openstack import O
class NetworkingFloatingIPModule(OpenStackModule):
argument_spec = dict(
fixed_address=dict(),
fixed_address=dict(aliases=['fixed_ip_address']),
floating_ip_address=dict(),
nat_destination=dict(aliases=['fixed_network', 'internal_network']),
network=dict(),
purge=dict(type='bool', default=False),
reuse=dict(type='bool', default=False),
server=dict(required=True),
server=dict(),
state=dict(default='present', choices=['absent', 'present']),
)
module_kwargs = dict(
required_if=[
['state', 'absent', ['floating_ip_address']]
['state', 'present', ['server', 'network'], True],
['state', 'absent', ['floating_ip_address'], False],
],
required_by={
'floating_ip_address': ('network'),
}
},
)
def run(self):
@@ -214,139 +216,174 @@ class NetworkingFloatingIPModule(OpenStackModule):
changed = False
fixed_address = self.params['fixed_address']
floating_ip_address = self.params['floating_ip_address']
nat_destination_name_or_id = self.params['nat_destination']
nat_destination_id = (
self.nat_destination['id'] if self.nat_destination else None
)
network_id = self.network['id'] if self.network else None
server = self.server
ips = self._find_ips(
server=self.server,
server=server,
floating_ip_address=floating_ip_address,
network_id=network_id,
fixed_address=fixed_address,
nat_destination_name_or_id=nat_destination_name_or_id)
nat_destination_id=nat_destination_id
)
# First floating ip satisfies our requirements
ip = ips[0] if ips else None
ip = None
if floating_ip_address:
# A specific floating ip address has been requested
if not ips:
if server:
if floating_ip_address:
# Requested floating ip address does not exist
self.conn.add_ip_list(
server=server,
ips=[floating_ip_address],
wait=self.params['wait'],
timeout=self.params['timeout'],
fixed_address=fixed_address
)
changed = True
if not ip:
# If a specific floating ip address has been requested
# and it does not exist yet then create it
else:
# No specific floating ip has been requested and none of the
# floating ips which have been assigned to the server matches
# requirements
# openstacksdk's create_ip requires floating_ip_address
# and floating_network_id to be set
self.conn.network.create_ip(
floating_ip_address=floating_ip_address,
floating_network_id=network_id)
# add_ips_to_server() will handle several scenarios:
#
# If a specific floating ip address has been requested then it
# will be attached to the server. The floating ip address has
# either been created in previous steps or it already existed.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud
# /_floating_ip.py#L985
#
# If no specific floating ip address has been requested, reuse
# is allowed and a network has been given (with ip_pool) from
# which floating ip addresses will be drawn, then any existing
# floating ip address from ip_pool=network which is not
# attached to any other server will be attached to the server.
# If no such floating ip address exists or if reuse is not
# allowed, then a new floating ip address will be created
# within ip_pool=network and attached to the server.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/
# _floating_ip.py#L981
#
# If no specific floating ip address has been requested and no
# network has been given (with ip_pool) from which floating ip
# addresses will be taken, then a floating ip address might be
# added to the server, refer to _needs_floating_ip() for
# details.
# Ref.:
# * https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/\
# _floating_ip.py#L989
# * https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/
# _floating_ip.py#L995
#
# Both floating_ip_address and network are mutually exclusive
# in add_ips_to_server(), i.e.add_ips_to_server will ignore
# floating_ip_address if network is not None. To prefer
# attaching a specific floating ip address over assigning any
# fip, ip_pool is only defined if floating_ip_address is None.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# a6b0ece2821ea79330c4067100295f6bdcbe456e/openstack/cloud/
# _floating_ip.py#L987
self.conn.add_ips_to_server(
server=server,
ip_pool=network_id,
ips=None, # No specific floating ip requested
reuse=self.params['reuse'],
fixed_address=fixed_address,
wait=self.params['wait'],
timeout=self.params['timeout'],
nat_destination=nat_destination_id
)
changed = True
else: # not server
kwargs = self._params_to_kwargs(
floating_ip_address,
network_id,
fixed_address,
self.nat_destination
)
# create the ip
ip = self.conn.network.create_ip(**kwargs)
changed = True
else: # ip
# Requested floating ip address exists already
else: # ips
ip = ips[0]
if ip.port_details and (ip.port_details['status'] == 'ACTIVE') \
and (floating_ip_address not in self._filter_ips(
self.server)):
# Floating ip address exists and has been attached
# but to a different server
if server:
server_ips = self._filter_ips(server)
if ip.floating_ip_address not in server_ips:
port_details = ip.port_details
if (port_details
and port_details['status'] == 'ACTIVE'):
# Requested ip has been attached to different server
self.fail_json(
msg="Floating ip {0} has been attached to "
"different server".format(
floating_ip_address))
# Requested ip has been attached to different server
self.fail_json(
msg="Floating ip {0} has been attached to different "
"server".format(floating_ip_address))
else:
# Requested floating ip address has not been
# assigned to server
self.conn.add_ip_list(
server=server,
ips=[ip.floating_ip_address],
wait=self.params['wait'],
timeout=self.params['timeout'],
fixed_address=fixed_address
)
changed = True
if not ip \
or floating_ip_address not in self._filter_ips(self.server):
# Requested floating ip address does not exist or has not been
# assigned to server
else:
# floating ip is already assigned to the server
pass
elif len(ips) > 1: # not server
self.fail_json(msg='Found more than one floating ip')
self.conn.add_ip_list(
server=self.server,
ips=[floating_ip_address],
wait=self.params['wait'],
timeout=self.params['timeout'],
fixed_address=fixed_address)
changed = True
else:
# Requested floating ip address has been assigned to server
pass
kwargs = self._params_to_kwargs(
floating_ip_address,
network_id,
fixed_address,
self.nat_destination
)
for key, value in kwargs.items():
if ip[key] != value:
self.conn.network.update_ip(ip, **kwargs)
changed = True
break
elif not ips: # and not floating_ip_address
# No specific floating ip has been requested and none of the
# floating ips which have been assigned to the server matches
# requirements
# add_ips_to_server() will handle several scenarios:
#
# If a specific floating ip address has been requested then it
# will be attached to the server. The floating ip address has
# either been created in previous steps or it already existed.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud
# /_floating_ip.py#L985
#
# If no specific floating ip address has been requested, reuse
# is allowed and a network has been given (with ip_pool) from
# which floating ip addresses will be drawn, then any existing
# floating ip address from ip_pool=network which is not
# attached to any other server will be attached to the server.
# If no such floating ip address exists or if reuse is not
# allowed, then a new floating ip address will be created
# within ip_pool=network and attached to the server.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/
# _floating_ip.py#L981
#
# If no specific floating ip address has been requested and no
# network has been given (with ip_pool) from which floating ip
# addresses will be taken, then a floating ip address might be
# added to the server, refer to _needs_floating_ip() for
# details.
# Ref.:
# * https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/\
# _floating_ip.py#L989
# * https://github.com/openstack/openstacksdk/blob/
# 9d3ee1d32149ba2a8bb3dc894295e180746cdddc/openstack/cloud/
# _floating_ip.py#L995
#
# Both floating_ip_address and network are mutually exclusive
# in add_ips_to_server(), i.e.add_ips_to_server will ignore
# floating_ip_address if network is not None. To prefer
# attaching a specific floating ip address over assigning any
# fip, ip_pool is only defined if floating_ip_address is None.
# Ref.: https://github.com/openstack/openstacksdk/blob/
# a6b0ece2821ea79330c4067100295f6bdcbe456e/openstack/cloud/
# _floating_ip.py#L987
self.conn.add_ips_to_server(
server=self.server,
ip_pool=network_id,
ips=None, # No specific floating ip requested
reuse=self.params['reuse'],
fixed_address=fixed_address,
wait=self.params['wait'],
timeout=self.params['timeout'],
nat_destination=nat_destination_name_or_id)
changed = True
else:
# Found one or more floating ips which satisfy requirements
pass
if changed:
if changed and server:
# update server details such as addresses
self.server = self.conn.compute.get_server(self.server)
server = self.conn.compute.get_server(server)
# Update the floating ip resource
ips = self._find_ips(
self.server, floating_ip_address, network_id,
fixed_address, nat_destination_name_or_id)
server,
floating_ip_address,
network_id,
fixed_address,
nat_destination_id
)
# ips can be empty, e.g. when server has no private ipv4
# address to which a floating ip address can be attached
# ips can be empty, e.g. when server has no private ipv4
# address to which a floating ip address can be attached
ip = ips[0] if ips else None
self.exit_json(
changed=changed,
floating_ip=ips[0].to_dict(computed=False) if ips else None)
floating_ip=ip.to_dict(computed=False)
)
def _detach_and_delete(self):
ips = self._find_ips(
@@ -354,7 +391,7 @@ class NetworkingFloatingIPModule(OpenStackModule):
floating_ip_address=self.params['floating_ip_address'],
network_id=self.network['id'] if self.network else None,
fixed_address=self.params['fixed_address'],
nat_destination_name_or_id=self.params['nat_destination'])
nat_destination_id=self.nat_destination['id'] if self.nat_destination else None)
if not ips:
# Nothing to detach
@@ -362,19 +399,22 @@ class NetworkingFloatingIPModule(OpenStackModule):
changed = False
for ip in ips:
if ip['fixed_ip_address']:
# Silently ignore that ip might not be attached to server
#
# self.conn.network.update_ip(ip_id, port_id=None) does not
# handle nova network but self.conn.detach_ip_from_server()
# does so
self.conn.detach_ip_from_server(server_id=self.server['id'],
floating_ip_id=ip['id'])
# OpenStackSDK sets {"port_id": None} to detach a floating
# ip from a device, but there might be a delay until a
# server does not list it in addresses any more.
changed = True
if self.server:
if ip['fixed_ip_address']:
# Silently ignore that ip might not be attached to server
#
# self.conn.network.update_ip(ip_id, port_id=None) does not
# handle nova network but self.conn.detach_ip_from_server()
# does so
changed = self.conn.detach_ip_from_server(server_id=self.server['id'],
floating_ip_id=ip['id'])
# OpenStackSDK sets {"port_id": None} to detach a floating
# ip from a device, but there might be a delay until a
# server does not list it in addresses any more.
else: # not self.server
if ip['port_id']:
changed = True
self.conn.network.update_ip(floating_ip=ip['id'], port_id=None)
if self.params['purge']:
self.conn.network.delete_ip(ip['id'])
@@ -397,39 +437,56 @@ class NetworkingFloatingIPModule(OpenStackModule):
# Returns a list not an iterator here because
# it is iterated several times below
return [address['addr']
for address in _flatten(server['addresses'].values())
if address['OS-EXT-IPS:type'] == 'floating']
addresses = _flatten(server['addresses'].values())
return [
address['addr']
for address in addresses
if address['OS-EXT-IPS:type'] == 'floating'
]
def _find_ips(self,
server,
floating_ip_address,
network_id,
fixed_address,
nat_destination_name_or_id):
nat_destination_id):
# Check which floating ips matches our requirements.
# They might or might not be attached to our server.
if floating_ip_address:
# A specific floating ip address has been requested
ip = self.conn.network.find_ip(floating_ip_address)
return [ip] if ip else []
elif (not fixed_address and nat_destination_name_or_id):
# No specific floating ip and no specific fixed ip have been
# requested but a private network (nat_destination) has been
# given where the floating ip should be attached to.
return self._find_ips_by_nat_destination(
server, nat_destination_name_or_id)
else:
# not floating_ip_address
# and (fixed_address or not nat_destination_name_or_id)
elif server:
if (not fixed_address and nat_destination_id):
# No specific floating ip and no specific fixed ip have been
# requested but a private network (nat_destination) has been
# given where the floating ip should be attached to.
return self._find_ips_by_nat_destination(
server, nat_destination_id)
else:
# not floating_ip_address
# and (fixed_address or not nat_destination_id)
# An analysis of all floating ips of server is required
return self._find_ips_by_network_id_and_fixed_address(
server, fixed_address, network_id)
# An analysis of all floating ips of server is required
return self._find_ips_by_network_id_and_fixed_address(
server, fixed_address, network_id)
elif fixed_address or nat_destination_id:
ports = self._find_ports_by_fixed_address_or_nat_destination(fixed_address, nat_destination_id)
floating_ips = []
for port in ports:
ips = list(self.conn.network.ips(port_id=port.id))
floating_ips.extend(ips)
return floating_ips
elif network_id:
return list(self.conn.network.ips(floating_network_id=network_id))
else:
return []
def _find_ips_by_nat_destination(self,
server,
nat_destination_name_or_id):
nat_destination_id):
if not server['addresses']:
return None
@@ -437,7 +494,7 @@ class NetworkingFloatingIPModule(OpenStackModule):
# Check if we have any floating ip on
# the given nat_destination network
nat_destination = self.conn.network.find_network(
nat_destination_name_or_id, ignore_missing=False)
nat_destination_id, ignore_missing=False)
fips_with_nat_destination = [
addr for addr
@@ -467,7 +524,7 @@ class NetworkingFloatingIPModule(OpenStackModule):
# match network of floating ip
continue
if not fixed_address: # and not nat_destination_name_or_id
if not fixed_address: # and not nat_destination_id
# Any floating ip will fullfil these requirements
matching_ips.append(ip)
@@ -478,20 +535,84 @@ class NetworkingFloatingIPModule(OpenStackModule):
return matching_ips
def _params_to_kwargs(self,
floating_ip_address,
network_id,
fixed_address,
nat_destination):
kwargs = {}
kwargs['floating_network_id'] = network_id
if fixed_address:
# must indicate internal port identifier
ports = self._find_ports_by_fixed_address_or_nat_destination(
fixed_address, nat_destination
)
if len(ports) > 1:
self.fail_json(
msg='There are multiple subnets with the fixed ip '
'address {0}'.format(fixed_address)
)
elif len(ports) == 0:
self.fail_json(
msg='No port found with fixed ip address {0}'.format(
fixed_address)
)
else:
kwargs['fixed_ip_address'] = fixed_address
kwargs['port_id'] = ports[0].id
if floating_ip_address:
kwargs['floating_ip_address'] = floating_ip_address
return kwargs
def _find_ports_by_fixed_address_or_nat_destination(self,
fixed_address,
nat_destination):
port_kwargs = {}
if fixed_address:
port_kwargs['fixed_ips'] = f'ip_address={fixed_address}'
if nat_destination:
port_kwargs['network_id'] = nat_destination.id
ports = self.conn.network.ports(**port_kwargs)
return list(ports)
def _init(self):
server_name_or_id = self.params['server']
server = self.conn.compute.find_server(server_name_or_id,
ignore_missing=False)
# fetch server details such as addresses
self.server = self.conn.compute.get_server(server)
if server_name_or_id:
self.server = self.conn.compute.find_server(
name_or_id=server_name_or_id, ignore_missing=False
)
else:
self.server = None
if (self.server is None and self.params['fixed_address']
and self.params['nat_destination'] is None):
self.fail_json(
msg='fixed_address requires nat_destination to be defined '
'when server isn\'t'
)
network_name_or_id = self.params['network']
if network_name_or_id:
self.network = self.conn.network.find_network(
name_or_id=network_name_or_id, ignore_missing=False)
name_or_id=network_name_or_id, ignore_missing=False
)
else:
self.network = None
nat_destination_name_or_id = self.params['nat_destination']
if nat_destination_name_or_id:
self.nat_destination = self.conn.network.find_network(
name_or_id=nat_destination_name_or_id, ignore_missing=False
)
else:
self.nat_destination = None
def main():
module = NetworkingFloatingIPModule()