Public bug reported:
While following instructions for Routed Provided Networks [1] and using
OVN Neutron raises error during creation on second segment subnet:
==== How to reproduce ===
sudo iniset /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vlan
network_vlan_ranges segment-1:100:102,segment-2:200:202
sudo systemctl restart devstack@q-svc
openstack network create --share --provider-physical-network segment-1
--provider-network-type vlan --provider-segment 100 public-multisegment
openstack network segment set --name segment-1 $(openstack network segment list
--network public-multisegment -c ID -f value)
openstack network segment create --physical-network segment-2 --network-type
vlan --segment 200 --network public-multisegment segment-2
openstack subnet create --network public-multisegment --network-segment
segment-1 --ip-version 4 --subnet-range 172.24.4.0/24 --allocation-pool
start=172.24.4.100,end=172.24.4.200 public-multisegment-segment-1-v4
openstack subnet create --network public-multisegment --network-segment
segment-2 --ip-version 4 --subnet-range 172.24.6.0/24 --allocation-pool
start=172.24.6.100,end=172.24.6.200 public-multisegment-segment-2-v4
EXCEPTION RAISED ON LAST COMMAND:
Apr 08 11:23:35 central neutron-server[10871]: DEBUG
neutron_lib.callbacks.manager [None req-e975c78f-bb1d-449d-9517-0a9386733b13
demo admin] Notify callbacks
['neutron.plugins.ml2.plugin.SecurityGroupDbMixin._ensure_default_security_group
_handler--9223372036853431474'] for port, before_update {{(pid=10878)
_notify_loop
/usr/local/lib/python3.6/dist-packages/neutron_lib/callbacks/manager.py:193}}
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers [None req-e975c78f-bb1d-449d-9517-0a9386733b13
demo admin] Mechanism driver 'ovn' failed in create_subnet_postcommit:
neutron.services.segments.exceptions.Fi
xedIpsSubnetsNotOnSameSegment: Cannot allocate addresses from different
segments.
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers Traceback (most recent call last):
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/managers.py", line 477, in
_call_on_drivers
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers getattr(driver.obj, method_name)(context)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/mech_driver.py",
line 441, in create_subnet_postcommit
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers context.network.current)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py",
line 2165, in create_subnet
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers if subnet['enable_dhcp']:
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py",
line 2356, in update_metadata_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers metadata_port['id'], port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/common/utils.py", line 685, in inner
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(self, context, *args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return method(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 139, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers setattr(e, '_RETRY_EXCEEDED', True)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 135, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_db/api.py", line 154, in wrapper
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers ectxt.value = e.inner_exc
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_db/api.py", line 142, in wrapper
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 183, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers LOG.debug("Retry wrapper got retriable
exception: %s", e)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 179, in
wrapped Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
return f(*dup_args, **dup_kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/plugin.py", line 1652, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
return method(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/db_base_plugin_v2.py", line 1503, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_port=new_port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_backend_mixin.py", line 703, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_port.get('mac_address'))
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_pluggable_backend.py", line 428, in
update_port_with_ips
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_mac)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_pluggable_backend.py", line 351, in
_update_ips_for_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers fixed_ips=changes.add + changes.original)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_backend_mixin.py", line 657, in
_ipam_get_subnets
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers fixed_ips)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/objects/subnet.py", line 338, in
find_candidate_subnets
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers query, fixed_ips).all()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/objects/subnet.py", line 394, in
_query_filter_by_fixed_ips_segment
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise
segment_exc.FixedIpsSubnetsNotOnSameSegment()
Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
neutron.services.segments.exceptions.FixedIpsSubnetsNotOnSameSegment: Cannot
allocate addresses from different segments.
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers
Client error:
BadRequestException: 400: Client Error for url:
http://192.168.121.158:9696/v2.0/subnets, Cannot allocate addresses from
different segments.
Looks like we need to fix segment handling for metadata ports [2].
[1]
https://docs.openstack.org/ocata/networking-guide/config-routed-networks.html
[2]
https://github.com/openstack/neutron/blob/805bd1210e2286c02e59b2462ec6470ec81155b0/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py#L2127
** Affects: neutron
Importance: Undecided
Status: New
** Tags: ovn
** Summary changed:
- [OVN] Cannot create metadata part for segmented network
+ [OVN] Cannot create metadata port for segmented network
--
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Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1871608
Title:
[OVN] Cannot create metadata port for segmented network
Status in neutron:
New
Bug description:
While following instructions for Routed Provided Networks [1] and
using OVN Neutron raises error during creation on second segment
subnet:
==== How to reproduce ===
sudo iniset /etc/neutron/plugins/ml2/ml2_conf.ini ml2_type_vlan
network_vlan_ranges segment-1:100:102,segment-2:200:202
sudo systemctl restart devstack@q-svc
openstack network create --share --provider-physical-network segment-1
--provider-network-type vlan --provider-segment 100 public-multisegment
openstack network segment set --name segment-1 $(openstack network segment
list --network public-multisegment -c ID -f value)
openstack network segment create --physical-network segment-2 --network-type
vlan --segment 200 --network public-multisegment segment-2
openstack subnet create --network public-multisegment --network-segment
segment-1 --ip-version 4 --subnet-range 172.24.4.0/24 --allocation-pool
start=172.24.4.100,end=172.24.4.200 public-multisegment-segment-1-v4
openstack subnet create --network public-multisegment --network-segment
segment-2 --ip-version 4 --subnet-range 172.24.6.0/24 --allocation-pool
start=172.24.6.100,end=172.24.6.200 public-multisegment-segment-2-v4
EXCEPTION RAISED ON LAST COMMAND:
Apr 08 11:23:35 central neutron-server[10871]: DEBUG
neutron_lib.callbacks.manager [None req-e975c78f-bb1d-449d-9517-0a9386733b13
demo admin] Notify callbacks
['neutron.plugins.ml2.plugin.SecurityGroupDbMixin._ensure_default_security_group
_handler--9223372036853431474'] for port, before_update {{(pid=10878)
_notify_loop
/usr/local/lib/python3.6/dist-packages/neutron_lib/callbacks/manager.py:193}}
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers [None req-e975c78f-bb1d-449d-9517-0a9386733b13
demo admin] Mechanism driver 'ovn' failed in create_subnet_postcommit:
neutron.services.segments.exceptions.Fi
xedIpsSubnetsNotOnSameSegment: Cannot allocate addresses from different
segments.
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers Traceback (most recent call last):
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/managers.py", line 477, in
_call_on_drivers
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers getattr(driver.obj, method_name)(context)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/mech_driver.py",
line 441, in create_subnet_postcommit
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers context.network.current)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py",
line 2165, in create_subnet
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers if subnet['enable_dhcp']:
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py",
line 2356, in update_metadata_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers metadata_port['id'], port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/common/utils.py", line 685, in inner
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(self, context, *args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return method(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 139, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers setattr(e, '_RETRY_EXCEEDED', True)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 135, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_db/api.py", line 154, in wrapper
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers ectxt.value = e.inner_exc
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_db/api.py", line 142, in wrapper
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers return f(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 183, in
wrapped
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers LOG.debug("Retry wrapper got retriable
exception: %s", e)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 220, in
__exit__
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers self.force_reraise()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers six.reraise(self.type_, self.value, self.tb)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/six.py", line 703, in reraise
Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
raise value
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 179, in
wrapped Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
return f(*dup_args, **dup_kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/plugins/ml2/plugin.py", line 1652, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/usr/local/lib/python3.6/dist-packages/neutron_lib/db/api.py", line 233, in
wrapped Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
return method(*args, **kwargs)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/db_base_plugin_v2.py", line 1503, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_port=new_port)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_backend_mixin.py", line 703, in
update_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_port.get('mac_address'))
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_pluggable_backend.py", line 428, in
update_port_with_ips
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers new_mac)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_pluggable_backend.py", line 351, in
_update_ips_for_port
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers fixed_ips=changes.add + changes.original)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/db/ipam_backend_mixin.py", line 657, in
_ipam_get_subnets
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers fixed_ips)
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/objects/subnet.py", line 338, in
find_candidate_subnets
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers query, fixed_ips).all()
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers File
"/home/vagrant/neutron/neutron/objects/subnet.py", line 394, in
_query_filter_by_fixed_ips_segment
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers raise
segment_exc.FixedIpsSubnetsNotOnSameSegment()
Apr 08
11:23:35 central neutron-server[10871]: ERROR neutron.plugins.ml2.managers
neutron.services.segments.exceptions.FixedIpsSubnetsNotOnSameSegment: Cannot
allocate addresses from different segments.
Apr 08 11:23:35 central neutron-server[10871]: ERROR
neutron.plugins.ml2.managers
Client error:
BadRequestException: 400: Client Error for url:
http://192.168.121.158:9696/v2.0/subnets, Cannot allocate addresses from
different segments.
Looks like we need to fix segment handling for metadata ports [2].
[1]
https://docs.openstack.org/ocata/networking-guide/config-routed-networks.html
[2]
https://github.com/openstack/neutron/blob/805bd1210e2286c02e59b2462ec6470ec81155b0/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py#L2127
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