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Message #72227
[Bug 1759924] Re: Port device owner isn't updated with new host availability zone during unshelve
Per comment 2 on cleaning up the port when we shelve offload, it sounds
like that should be OK to do:
(2:30:17 PM) mriedem: mlavalle: while working on bug 1759924 - i'm trying to determine if neutron would have any issues with a port attached to a vm where the binding host and device_owner are unset?
(2:30:19 PM) openstack: bug 1759924 in OpenStack Compute (nova) "Port device owner isn't updated with new host availability zone during unshelve" [Medium,Triaged] https://launchpad.net/bugs/1759924 - Assigned to Matt Riedemann (mriedem)
(2:30:44 PM) mriedem: can you think of anything off the top of your head that might break there?
(2:30:58 PM) mriedem: this is when an instance is shelved, meaning there is no actual guest running in a hypervisor
(2:34:07 PM) mlavalle: mriedem: in that situation the port is not bound so it doesn't exist in a host. Am I understanding correctly?
(2:34:44 PM) mriedem: correct, nova would unplug the vif
(2:34:45 PM) mriedem: during shelve
(2:34:53 PM) mriedem: the port is still logically attached to the instance in the db
(2:34:58 PM) mriedem: but there is nothing in the data plane
(2:35:17 PM) mlavalle: I don't think it would be a problem. it's just and unbound port, a row in a DB table
(2:35:19 PM) openstackgerrit: Merged openstack/networking-bagpipe master: bagpipe-bgp: IPVPN MPLS OVS driver, silently ignore re-removal https://review.openstack.org/559658
(2:35:25 PM) mriedem: mlavalle: ok, cool, thanks
But it could be done separately from the unshelve fix to update the
device_owner.
** Also affects: nova/queens
Importance: Undecided
Status: New
** Also affects: nova/ocata
Importance: Undecided
Status: New
** Also affects: nova/pike
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1759924
Title:
Port device owner isn't updated with new host availability zone during
unshelve
Status in OpenStack Compute (nova):
Triaged
Status in OpenStack Compute (nova) ocata series:
New
Status in OpenStack Compute (nova) pike series:
New
Status in OpenStack Compute (nova) queens series:
New
Bug description:
During an unshelve the host for an instance and therefor the
availability zone may change but does not seem to updated in the
port's device_owner causing problems with server action add fixed ip
for example.
In nova/network/neutronv2/api.py _update_port_binding_for_instance should probably update the port's device_owner the same way that _update_ports_for_instance does.
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | UP |
| allowed_address_pairs | |
| binding_host_id | r02c4b15 |
| binding_profile | |
| binding_vif_details | port_filter='True' |
| binding_vif_type | bridge |
| binding_vnic_type | normal |
| created_at | 2018-03-05T13:25:48Z |
| data_plane_status | None |
| description | |
| device_id | 53f04bf3-eb1f-4c64-a70f-fd16d6c1a5af |
| device_owner | compute:zone-r7 |
| dns_assignment | |
| dns_name | instance-w-volume-shelving-test |
| extra_dhcp_opts | |
| fixed_ips | |
| id | 327b891f-1820-4aa9-bbc3-fe9cc619eac3 |
| ip_address | None |
| mac_address | fa:16:3e:14:21:d1 |
| name | |
| network_id | e73b1699-0129-4c12-b722-e6ce52604824 |
| option_name | None |
| option_value | None |
| port_security_enabled | False |
| project_id | ecf32b152563403bbde297f58f4637d4 |
| qos_policy_id | None |
| revision_number | 19 |
| security_group_ids | bb25a73a-a62e-4015-9595-16add6b7d3a0 |
| status | ACTIVE |
| subnet_id | None |
| tags | |
| trunk_details | None |
| updated_at | 2018-03-28T20:03:23Z |
+-----------------------+--------------------------------------+
nova show 53f04bf3-eb1f-4c64-a70f-fd16d6c1a5af
+--------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | zone-r2 |
| OS-EXT-SRV-ATTR:host | r02c4b15 |
| OS-EXT-SRV-ATTR:hypervisor_hostname | r02c4b15
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References
