Public bug reported: based on this change - https://github.com/openstack/nova/commit/1153a46738fc3ffff98a1df9d94b5a55fdd58777
If I boot instance with preexisting port and delete this instance then port remains. But If I boot instance with preexisting port and attach one more port then first port is deleted while I delete the instance. 1) Create port with neutron | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | 2) Run instance with this port (0):~/devstack$ nova boot ttt --flavor 42 --image aab2d892-636d-4bde-8636-71f8ffd3c51d --nic port-id=81c98edb-06ac-4286-ad7a-2edeb901474b port list - ~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ 3) Create another port (0):~/devstack$ neutron port-create public | fixed_ips | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | id | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | 4) attach port to the instance (0):~/devstack$ nova interface-attach --port-id a26c8bc0-ea94-4abb-9ffc-752a594e08e7 ttt 5) check instance ports - (0):~/devstack$ nova interface-list ttt +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | Port State | Port ID | Net ID | IP addresses | MAC Addr | +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | DOWN | 81c98edb-06ac-4286-ad7a-2edeb901474b | 1e629e00-28b6-4a67-9940-dee2660a23a8 | 172.24.4.4 | fa:16:3e:5b:1d:c6 | | DOWN | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | 1e629e00-28b6-4a67-9940-dee2660a23a8 | 172.24.4.8 | fa:16:3e:a1:74:eb | +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ (0):~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | | fa:16:3e:a1:74:eb | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ 6) delete instance and check ports in neutron - (0):~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | | fa:16:3e:a1:74:eb | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ Expected result - all preexisting ports remain in my system after instance deletion. ** Affects: nova Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1433524 Title: Nova deletes first preexisting port if second was attached to instance Status in OpenStack Compute (Nova): New Bug description: based on this change - https://github.com/openstack/nova/commit/1153a46738fc3ffff98a1df9d94b5a55fdd58777 If I boot instance with preexisting port and delete this instance then port remains. But If I boot instance with preexisting port and attach one more port then first port is deleted while I delete the instance. 1) Create port with neutron | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | 2) Run instance with this port (0):~/devstack$ nova boot ttt --flavor 42 --image aab2d892-636d-4bde-8636-71f8ffd3c51d --nic port-id=81c98edb-06ac-4286-ad7a-2edeb901474b port list - ~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ 3) Create another port (0):~/devstack$ neutron port-create public | fixed_ips | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | id | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | 4) attach port to the instance (0):~/devstack$ nova interface-attach --port-id a26c8bc0-ea94-4abb-9ffc-752a594e08e7 ttt 5) check instance ports - (0):~/devstack$ nova interface-list ttt +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | Port State | Port ID | Net ID | IP addresses | MAC Addr | +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | DOWN | 81c98edb-06ac-4286-ad7a-2edeb901474b | 1e629e00-28b6-4a67-9940-dee2660a23a8 | 172.24.4.4 | fa:16:3e:5b:1d:c6 | | DOWN | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | 1e629e00-28b6-4a67-9940-dee2660a23a8 | 172.24.4.8 | fa:16:3e:a1:74:eb | +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ (0):~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | 81c98edb-06ac-4286-ad7a-2edeb901474b | | fa:16:3e:5b:1d:c6 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.4"} | | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | | fa:16:3e:a1:74:eb | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ 6) delete instance and check ports in neutron - (0):~/devstack$ neutron port-list +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | id | name | mac_address | fixed_ips | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ | a26c8bc0-ea94-4abb-9ffc-752a594e08e7 | | fa:16:3e:a1:74:eb | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.8"} | | a92337de-d3f2-4a5c-beb4-54bd48ec043f | | fa:16:3e:41:b9:00 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.1"} | | e59d3841-215a-4352-a212-d5cac5cb7bbe | | fa:16:3e:06:4b:27 | {"subnet_id": "134b9bd5-da87-4b8f-880d-72e24206a721", "ip_address": "10.0.0.2"} | | fa67a224-907e-4c11-bcae-9d919330c6b8 | | fa:16:3e:5e:2d:a7 | {"subnet_id": "71b456c2-4805-4905-a8d8-9293e162f917", "ip_address": "172.24.4.2"} | +--------------------------------------+------+-------------------+-----------------------------------------------------------------------------------+ Expected result - all preexisting ports remain in my system after instance deletion. 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