In case someone stumbles across this like I did.
What's happening in the first case is that the client parsing is getting
confused and turns that into a list of two port updates, one specifying
a subnet_id and one specifying an ip_address. The latter ends up giving
you the IP you wanted and the first one allocates a random IP from the
subnet.
There is no way to just add an IP with the CLI without specifying the
old addresses. We don't have a concept of a patch list in the API as far
as I can tell.
This seems to be a bug in the way the neutron client breaks down the
first case into a list of two things.
For example, the following works to set three IP addresses:
neutron port-update 7521786b-6c7f-4385-b5e1-fb9565552696 --fixed-ips
type=dict
{ip_address=42.42.42.93,ip_address=42.42.42.92,ip_address=42.42.42.91}
** Changed in: neutron
Status: Incomplete => Confirmed
** Project changed: neutron => python-neutronclient
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https://bugs.launchpad.net/bugs/1341096
Title:
neutron port-update allocates double fixed ip
Status in Python client library for Neutron:
Confirmed
Bug description:
1.create a new port
707BE8C6:/home # neutron port-create 23d588e1-3861-4f6f-89ed-2b177e7b8b36
--name why_port
Created a new port:
+-----------------------+----------------------------------------------------------------------------------+
| Field | Value
|
+-----------------------+----------------------------------------------------------------------------------+
| admin_state_up | True
|
| allowed_address_pairs |
|
| binding:capabilities | {"port_filter": false}
|
| binding:host_id |
|
| binding:profile | {}
|
| binding:vif_details | {}
|
| binding:vif_type | unbound
|
| binding:vnic_type | normal
|
| device_id |
|
| device_owner |
|
| fixed_ips | {"subnet_id":
"7f5ae8f6-3882-4e58-bea7-1d76c5fa1bc1", "ip_address": "200.1.1.7"} |
| id | d91892d0-43cf-4929-ba58-92da2a723e62
|
| mac_address | fa:16:3e:0e:ac:b6
|
| mac_range_id |
|
| name | why_port
|
| network_id | 23d588e1-3861-4f6f-89ed-2b177e7b8b36
|
| status | DOWN
|
| tenant_id | 4015230803414ea3b183d4f3a4e57a57
|
+-----------------------+----------------------------------------------------------------------------------+
2.update the port
707BE8C6:/home # neutron port-update d91892d0-43cf-4929-ba58-92da2a723e62
--fixed-ips type=dict
{subnet_id=7f5ae8f6-3882-4e58-bea7-1d76c5fa1bc1,ip_address=200.1.1.5}
Updated port: d91892d0-43cf-4929-ba58-92da2a723e62
3. show the port
707BE8C6:/home # neutron port-show d91892d0-43cf-4929-ba58-92da2a723e62
+-----------------------+----------------------------------------------------------------------------------+
| Field | Value
|
+-----------------------+----------------------------------------------------------------------------------+
| admin_state_up | True
|
| allowed_address_pairs |
|
| binding:capabilities | {"port_filter": false}
|
| binding:host_id |
|
| binding:profile | {}
|
| binding:vif_details | {}
|
| binding:vif_type | unbound
|
| binding:vnic_type | normal
|
| device_id |
|
| device_owner |
|
| extra_dhcp_opts |
|
| fixed_ips | {"subnet_id":
"7f5ae8f6-3882-4e58-bea7-1d76c5fa1bc1", "ip_address": "200.1.1.8"} |
| | {"subnet_id":
"7f5ae8f6-3882-4e58-bea7-1d76c5fa1bc1", "ip_address": "200.1.1.5"} |
| id | d91892d0-43cf-4929-ba58-92da2a723e62
|
| mac_address | fa:16:3e:0e:ac:b6
|
| name | why_port
|
| network_id | 23d588e1-3861-4f6f-89ed-2b177e7b8b36
|
| status | DOWN
|
| tenant_id | 4015230803414ea3b183d4f3a4e57a57
|
+-----------------------+----------------------------------------------------------------------------------+
we can see, the port allocates two fixed ip "ip_address": "200.1.1.8"
and "ip_address": "200.1.1.5"
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