Since this doesn't appear to be an issue with the charms, I'm going to remove the project from being affected by this bug and the field critical designation. However, feel free to re-add it should evidence present itself otherwise.
** No longer affects: charm-neutron-api -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1912513 Title: Port creation fails with error IP already allocated but the IP is available Status in neutron: Incomplete Bug description: Description: ================= When trying to create a new port using an available IP in the allocation pool of a VLAN neutron network, creation fails with error: IP address 10.41.8.3 already allocated in subnet afb678c6-a152-4f1d-8d77-03b9167520cc Precondition: ================= A port using the same IP was previously created and then deleted. How to reproduce: ================= I have the following network: $ openstack network show e30b938b-210d-45c2-894c-95c0c5d08f79 +---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | admin_state_up | UP | | availability_zone_hints | | | availability_zones | | | created_at | 2020-11-25T10:55:32Z | | description | | | dns_domain | | | id | e30b938b-210d-45c2-894c-95c0c5d08f79 | | ipv4_address_scope | None | | ipv6_address_scope | None | | is_default | False | | is_vlan_transparent | None | | location | cloud='', project.domain_id=, project.domain_name=, project.id='606e529ab1bc4b18a6d5dbf8735b9815', project.name=, region_name='us-test', zone= | | mtu | 1500 | | name | test | | port_security_enabled | True | | project_id | 606e529ab1bc4b18a6d5dbf8735b9815 | | provider:network_type | vlan | | provider:physical_network | physnet1 | | provider:segmentation_id | 2220 | | qos_policy_id | None | | revision_number | 11 | | router:external | External | | segments | None | | shared | False | | status | ACTIVE | | subnets | afb678c6-a152-4f1d-8d77-03b9167520cc | | tags | | | updated_at | 2021-01-20T11:27:57Z | +---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ And a subnet $ openstack subnet show afb678c6-a152-4f1d-8d77-03b9167520cc +----------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | Field | Value | +----------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | allocation_pools | 10.41.8.3-10.41.8.4 | | cidr | 10.41.8.0/29 | | created_at | 2020-11-25T10:55:34Z | | description | | | dns_nameservers | | | dns_publish_fixed_ip | None | | enable_dhcp | True | | gateway_ip | 10.41.8.1 | | host_routes | | | id | afb678c6-a152-4f1d-8d77-03b9167520cc | | ip_version | 4 | | ipv6_address_mode | None | | ipv6_ra_mode | None | | location | cloud='', project.domain_id=, project.domain_name=, project.id='606e529ab1bc4b18a6d5dbf8735b9815', project.name=, region_name='us-test', zone= | | name | test-subnet | | network_id | e30b938b-210d-45c2-894c-95c0c5d08f79 | | prefix_length | None | | project_id | 606e529ab1bc4b18a6d5dbf8735b9815 | | revision_number | 9 | | segment_id | None | | service_types | | | subnetpool_id | None | | tags | | | updated_at | 2021-01-20T11:27:57Z | +----------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ Create a port with a fixed ip: $ openstack port create --debug --network e30b938b-210d-45c2-894c-95c0c5d08f79 --fixed-ip subnet=test-subnet,ip-address=10.41.8.3 test-port Delete the same port $ openstack port delete a7a37bbf-129a-4980-a6e8-268c62ea552d Try to create again the same port with same IP and creation fail $ openstack port create --debug --network e30b938b-210d-45c2-894c-95c0c5d08f79 --fixed-ip subnet=test-subnet,ip-address=10.41.8.3 test-port ConflictException: 409: Client Error for url: https://neutron.test.com:9696/v2.0/ports, IP address 10.41.8.3 already allocated in subnet afb678c6-a152-4f1d-8d77-03b9167520cc ipallocations table show that the IP is actually available: mysql> select * from ipallocations where network_id="e30b938b-210d-45c2-894c-95c0c5d08f79"; +--------------------------------------+------------+--------------------------------------+--------------------------------------+ | port_id | ip_address | subnet_id | network_id | +--------------------------------------+------------+--------------------------------------+--------------------------------------+ | 319c6b0d-1970-485a-ade6-914b3fa6abc9 | 10.41.8.4 | afb678c6-a152-4f1d-8d77-03b9167520cc | e30b938b-210d-45c2-894c-95c0c5d08f79 | +--------------------------------------+------------+--------------------------------------+--------------------------------------+ 1 row in set (0.00 sec) mysql> select * from ipallocations where subnet_id="afb678c6-a152-4f1d-8d77-03b9167520cc"; +--------------------------------------+------------+--------------------------------------+--------------------------------------+ | port_id | ip_address | subnet_id | network_id | +--------------------------------------+------------+--------------------------------------+--------------------------------------+ | 319c6b0d-1970-485a-ade6-914b3fa6abc9 | 10.41.8.4 | afb678c6-a152-4f1d-8d77-03b9167520cc | e30b938b-210d-45c2-894c-95c0c5d08f79 | +--------------------------------------+------------+--------------------------------------+--------------------------------------+ 1 row in set (0.00 sec) Expected output ================= Port is created successfully Actual output ================= Port creation fails with: ConflictException: 409: Client Error for url: https://neutron.test.com:9696/v2.0/ports, IP address 10.41.8.3 already allocated in subnet afb678c6-a152-4f1d-8d77-03b9167520cc Version: ================= This is a cloud bionic-ussuri using ovn deployed using charmed OpenStack Charms revisions: charm-neutron-api rev 288 charm-neutron-api-plugin-ovn rev 1 charm-ovn-central rev 1 charm-ovn-chassis rev 4 neutron pkgs versions: ii neutron-common 2:16.1.0-0ubuntu1~cloud0 ii neutron-fwaas-common 1:16.0.0-0ubuntu0.20.04.1~cloud0 ii neutron-plugin-ml2 2:16.1.0-0ubuntu1~cloud0 ii neutron-server 2:16.1.0-0ubuntu1~cloud0 Perceived severity ================= Critical To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1912513/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
