We set this bug to invalid on the Nova side, because ironic and the
ironic virt driver are doing things virt drivers are not allowed too, it
can only be "fixed" in ironic.
** Changed in: nova
Status: New => Invalid
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/2106073
Title:
Nova fails to generate network metadata with deferred ports
Status in Ironic:
Confirmed
Status in OpenStack Compute (nova):
Invalid
Bug description:
When creating an instance with Nova using routed provider networks,
Nova creates a port with `ip_allocation` set to `deferred`. This will
let Neutron add an IP address to the interface once it's bound to a
host to ensure that it's part of the right segment.
When using this in combination with ConfigDrive, you end up with a
broken ConfigDrive with no links due to the fact that you have a
`network_info` on create that looks like this:
```
[
{
"id": "2f28d85a-c215-4c73-91cd-c7d965254711",
"address": "fa:16:3e:85:b4:60",
"network": {
"id": "8c178449-cc1f-4f02-8a58-09f09a975b59",
"bridge": null,
"label": "baremetal",
"subnets": [],
"meta": {
"injected": false,
"tenant_id": "14f0af4a69ea4148b7b18939ae2ebcca",
"mtu": 1500,
"physical_network": "external-rack001",
"tunneled": false
}
},
"type": "unbound",
"details": {},
"devname": "tap2f28d85a-c2",
"ovs_interfaceid": null,
"qbh_params": null,
"qbg_params": null,
"active": false,
"vnic_type": "normal",
"profile": {},
"preserve_on_delete": false,
"delegate_create": true,
"meta": {}
}
]
```
This `network_info` eventually refreshes later to be the correct
value, however, since that is what is used in spawn time, it's also
what is used in deploy time to geneate the config drive and never
updated, meaning that you end up with no correct network_data.json.
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