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[Bug 1645175] [NEW] Neutron port got deleted when attach port failed

 

Public bug reported:

When attach an pre created Neutron port to Nova instances and got
failed, the port will be deleted in Neutron:

How to reproduce:

Step 1: create a new Neutron Port:

root@SZX1000191849:/opt/stack/nova# neutron port-create e1775804-7670-482c-bf1a-309fff85f598 
Created a new port:
+-----------------------+------------------------------------------------------------------------------------+
| Field                 | Value                                                                              |
+-----------------------+------------------------------------------------------------------------------------+
| admin_state_up        | True                                                                               |
| allowed_address_pairs |                                                                                    |
| binding:host_id       |                                                                                    |
| binding:profile       | {}                                                                                 |
| binding:vif_details   | {}                                                                                 |
| binding:vif_type      | unbound                                                                            |
| binding:vnic_type     | normal                                                                             |
| created_at            | 2016-11-28T02:20:26Z                                                               |
| description           |                                                                                    |
| device_id             |                                                                                    |
| device_owner          |                                                                                    |
| extra_dhcp_opts       |                                                                                    |
| fixed_ips             | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.2"}  |
|                       | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::6"} |
| id                    | fd240a85-53cb-467a-8e43-330bb5c928ab                                               |
| mac_address           | fa:16:3e:cc:fb:9e                                                                  |
| name                  |                                                                                    |
| network_id            | e1775804-7670-482c-bf1a-309fff85f598                                               |
| port_security_enabled | True                                                                               |
| project_id            | 405a8b8100ae47ffaa89730681ee400f                                                   |
| revision_number       | 6                                                                                  |
| security_groups       | 9ea518bb-ee12-489a-ac6a-3434d2c081c4                                               |
| status                | DOWN                                                                               |
| tenant_id             | 405a8b8100ae47ffaa89730681ee400f                                                   |
| updated_at            | 2016-11-28T02:20:27Z                                                               |
+-----------------------+------------------------------------------------------------------------------------+
root@SZX1000191849:/opt/stack/nova# neutron port-list
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
| id                                   | name | mac_address       | fixed_ips                                                                               |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
| 453879db-6bc2-4a40-89eb-588a15cf33c4 |      | fa:16:3e:19:9e:27 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.9"}         |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::8"} |
| 4cd1ad8e-86df-4454-a187-08bb3faa32ec |      | fa:16:3e:60:b4:8f | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.13"}        |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::5"} |
| 74a0b31a-3a26-4b20-bdb2-0bb0d343c551 |      | fa:16:3e:12:6b:9a | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.10"}      |
|                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::a"}      |
| 8fc6af24-78f8-4234-9a5a-c348ba873aff |      | fa:16:3e:e3:25:62 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.1"}         |
| eaf6a086-a146-4e45-8c4c-a54b209e80c4 |      | fa:16:3e:5d:89:bd | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.2"}         |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::2"} |
| ebce0f96-984b-4890-bd6b-dc561973b615 |      | fa:16:3e:da:1b:7f | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::1"} |
| fd240a85-53cb-467a-8e43-330bb5c928ab |      | fa:16:3e:cc:fb:9e | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.2"}       |
|                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::6"}      |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+

Step 2: Attach it to the Nova instance, and error is raised by intension

root@SZX1000191849:/opt/stack/nova# nova interface-attach  e1213eee-5378-472c-8f66-a35b7bdb09e3 --port-id fd240a85-53cb-467a-8e43-330bb5c928ab 
ERROR (ClientException): Failed to attach network adapter device to e1213eee-5378-472c-8f66-a35b7bdb09e3 (HTTP 500) (Request-ID: req-7ab972a5-91d7-49d9-96bc-f063cf4dd1f2)

Step 3: Check the neutron ports again, the port is gone.

root@SZX1000191849:/opt/stack/nova# neutron port-list
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
| id                                   | name | mac_address       | fixed_ips                                                                               |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
| 453879db-6bc2-4a40-89eb-588a15cf33c4 |      | fa:16:3e:19:9e:27 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.9"}         |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::8"} |
| 4cd1ad8e-86df-4454-a187-08bb3faa32ec |      | fa:16:3e:60:b4:8f | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.13"}        |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::5"} |
| 74a0b31a-3a26-4b20-bdb2-0bb0d343c551 |      | fa:16:3e:12:6b:9a | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.10"}      |
|                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::a"}      |
| 8fc6af24-78f8-4234-9a5a-c348ba873aff |      | fa:16:3e:e3:25:62 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.1"}         |
| eaf6a086-a146-4e45-8c4c-a54b209e80c4 |      | fa:16:3e:5d:89:bd | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.2"}         |
|                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::2"} |
| ebce0f96-984b-4890-bd6b-dc561973b615 |      | fa:16:3e:da:1b:7f | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::1"} |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+

This is due to when we do clean up here:
http://git.openstack.org/cgit/openstack/nova/tree/nova/network/neutronv2/api.py#n1201
we treat this port as nova-created port as it has not been included in the preexisting ports.

** Affects: nova
     Importance: Undecided
     Assignee: Zhenyu Zheng (zhengzhenyu)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Zhenyu Zheng (zhengzhenyu)

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https://bugs.launchpad.net/bugs/1645175

Title:
  Neutron port got deleted when attach port failed

Status in OpenStack Compute (nova):
  New

Bug description:
  When attach an pre created Neutron port to Nova instances and got
  failed, the port will be deleted in Neutron:

  How to reproduce:

  Step 1: create a new Neutron Port:

  root@SZX1000191849:/opt/stack/nova# neutron port-create e1775804-7670-482c-bf1a-309fff85f598 
  Created a new port:
  +-----------------------+------------------------------------------------------------------------------------+
  | Field                 | Value                                                                              |
  +-----------------------+------------------------------------------------------------------------------------+
  | admin_state_up        | True                                                                               |
  | allowed_address_pairs |                                                                                    |
  | binding:host_id       |                                                                                    |
  | binding:profile       | {}                                                                                 |
  | binding:vif_details   | {}                                                                                 |
  | binding:vif_type      | unbound                                                                            |
  | binding:vnic_type     | normal                                                                             |
  | created_at            | 2016-11-28T02:20:26Z                                                               |
  | description           |                                                                                    |
  | device_id             |                                                                                    |
  | device_owner          |                                                                                    |
  | extra_dhcp_opts       |                                                                                    |
  | fixed_ips             | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.2"}  |
  |                       | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::6"} |
  | id                    | fd240a85-53cb-467a-8e43-330bb5c928ab                                               |
  | mac_address           | fa:16:3e:cc:fb:9e                                                                  |
  | name                  |                                                                                    |
  | network_id            | e1775804-7670-482c-bf1a-309fff85f598                                               |
  | port_security_enabled | True                                                                               |
  | project_id            | 405a8b8100ae47ffaa89730681ee400f                                                   |
  | revision_number       | 6                                                                                  |
  | security_groups       | 9ea518bb-ee12-489a-ac6a-3434d2c081c4                                               |
  | status                | DOWN                                                                               |
  | tenant_id             | 405a8b8100ae47ffaa89730681ee400f                                                   |
  | updated_at            | 2016-11-28T02:20:27Z                                                               |
  +-----------------------+------------------------------------------------------------------------------------+
  root@SZX1000191849:/opt/stack/nova# neutron port-list
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
  | id                                   | name | mac_address       | fixed_ips                                                                               |
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
  | 453879db-6bc2-4a40-89eb-588a15cf33c4 |      | fa:16:3e:19:9e:27 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.9"}         |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::8"} |
  | 4cd1ad8e-86df-4454-a187-08bb3faa32ec |      | fa:16:3e:60:b4:8f | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.13"}        |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::5"} |
  | 74a0b31a-3a26-4b20-bdb2-0bb0d343c551 |      | fa:16:3e:12:6b:9a | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.10"}      |
  |                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::a"}      |
  | 8fc6af24-78f8-4234-9a5a-c348ba873aff |      | fa:16:3e:e3:25:62 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.1"}         |
  | eaf6a086-a146-4e45-8c4c-a54b209e80c4 |      | fa:16:3e:5d:89:bd | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.2"}         |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::2"} |
  | ebce0f96-984b-4890-bd6b-dc561973b615 |      | fa:16:3e:da:1b:7f | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::1"} |
  | fd240a85-53cb-467a-8e43-330bb5c928ab |      | fa:16:3e:cc:fb:9e | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.2"}       |
  |                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::6"}      |
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+

  Step 2: Attach it to the Nova instance, and error is raised by
  intension

  root@SZX1000191849:/opt/stack/nova# nova interface-attach  e1213eee-5378-472c-8f66-a35b7bdb09e3 --port-id fd240a85-53cb-467a-8e43-330bb5c928ab 
  ERROR (ClientException): Failed to attach network adapter device to e1213eee-5378-472c-8f66-a35b7bdb09e3 (HTTP 500) (Request-ID: req-7ab972a5-91d7-49d9-96bc-f063cf4dd1f2)

  Step 3: Check the neutron ports again, the port is gone.

  root@SZX1000191849:/opt/stack/nova# neutron port-list
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
  | id                                   | name | mac_address       | fixed_ips                                                                               |
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+
  | 453879db-6bc2-4a40-89eb-588a15cf33c4 |      | fa:16:3e:19:9e:27 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.9"}         |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::8"} |
  | 4cd1ad8e-86df-4454-a187-08bb3faa32ec |      | fa:16:3e:60:b4:8f | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.13"}        |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::5"} |
  | 74a0b31a-3a26-4b20-bdb2-0bb0d343c551 |      | fa:16:3e:12:6b:9a | {"subnet_id": "6cf2ed09-8394-4e3e-81d5-3880fe1c6984", "ip_address": "172.24.4.10"}      |
  |                                      |      |                   | {"subnet_id": "6b3902ca-deea-46f0-97e9-80c70243413e", "ip_address": "2001:db8::a"}      |
  | 8fc6af24-78f8-4234-9a5a-c348ba873aff |      | fa:16:3e:e3:25:62 | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.1"}         |
  | eaf6a086-a146-4e45-8c4c-a54b209e80c4 |      | fa:16:3e:5d:89:bd | {"subnet_id": "ce211f7b-e808-4222-80e4-9bec9113afa3", "ip_address": "10.0.0.2"}         |
  |                                      |      |                   | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::2"} |
  | ebce0f96-984b-4890-bd6b-dc561973b615 |      | fa:16:3e:da:1b:7f | {"subnet_id": "5ff9100a-02ff-40a2-8c33-0f0d285b72ad", "ip_address": "2001:db8:8000::1"} |
  +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------------+

  This is due to when we do clean up here:
  http://git.openstack.org/cgit/openstack/nova/tree/nova/network/neutronv2/api.py#n1201
  we treat this port as nova-created port as it has not been included in the preexisting ports.

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