IMO, this just needs to be documented.
Obviously ports that go first get their fixed IPs allocated and later port
creation may fail if some port specifies already-allocated IP.
I don't think it makes sense to arrange input port list in anyway.
** Changed in: neutron
Status: Confirmed => Incomplete
** Changed in: neutron
Status: Incomplete => Opinion
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https://bugs.launchpad.net/bugs/1397087
Title:
Bulk port create fails with conflict with some addresses fixed
Status in OpenStack Neutron (virtual network service):
Opinion
Bug description:
In the bulk version of the port create request, multiple port
creations may be requested.
If there is a port without specifying an fixed_ip address, one is
assigned to it. If a later port requests the same address, a conflict
is detected and raised. The overall call's succeeds or fails depending
on which addresses from the pool are set to be assigned next, and the
order of the requested ports.
Steps to reproduce:
# neutron net-create test_fixed_ports
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e |
| name | test_fixed_ports |
| provider:network_type | vxlan |
| provider:physical_network | |
| provider:segmentation_id | 4 |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | d42d65485d674e0a9d007a06182e46f7 |
+---------------------------+--------------------------------------+
# neutron subnet-create test_fixed_ports 10.0.0.0/24
Created a new subnet:
+------------------+--------------------------------------------+
| Field | Value |
+------------------+--------------------------------------------+
| allocation_pools | {"start": "10.0.0.2", "end": "10.0.0.254"} |
| cidr | 10.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 10.0.0.1 |
| host_routes | |
| id | 5369fb82-8ff6-4ec5-acf7-1d86d0ec9d2a |
| ip_version | 4 |
| name | |
| network_id | af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e |
| tenant_id | d42d65485d674e0a9d007a06182e46f7 |
+------------------+--------------------------------------------+
# cat ports.data
{"ports": [
{
"name": "A",
"network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e"
}, {
"fixed_ips": [{"ip_address": "10.0.0.2"}],
"name": "B",
"network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e"
}
]}
# TOKEN='a valid keystone token'
# curl -H 'Content-Type: application/json' -H 'X-Auth-Token: '$TOKEN -X POST
"http://127.0.1.1:9696/v2.0/ports"; [email protected]
{"NeutronError": {"message": "Unable to complete operation for network
af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e. The IP address 10.0.0.2 is in use.",
"type": "IpAddressInUse", "detail": ""}}
Positive case:
# cat ports.data.rev
{"ports": [
{
"name": "A",
"fixed_ips": [{"ip_address": "10.0.0.2"}],
"network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e"
}, {
"name": "B",
"network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e"
}
]}
# curl -H 'Content-Type: application/json' -H 'X-Auth-Token: '$TOKEN -X POST
"http://127.0.1.1:9696/v2.0/ports"; [email protected]
{"ports": [{"status": "DOWN", "binding:host_id": "", "name": "A",
"admin_state_up": true, "network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e",
"tenant_id": "7b3e2f49d1fc4154ac5af10a4b9862c5", "binding:vif_details": {},
"binding:vnic_type": "normal", "binding:vif_type": "unbound", "device_owner":
"", "mac_address": "fa:16:3e:16:1e:50", "binding:profile": {}, "fixed_ips":
[{"subnet_id": "5369fb82-8ff6-4ec5-acf7-1d86d0ec9d2a", "ip_address":
"10.0.0.2"}], "id": "75f5cdb7-5884-4583-9db1-73b946f94a04", "device_id": ""},
{"status": "DOWN", "binding:host_id": "", "name": "B", "admin_state_up": true,
"network_id": "af3b3cc8-b556-4604-a4fe-ae9bffa8cd9e", "tenant_id":
"7b3e2f49d1fc4154ac5af10a4b9862c5", "binding:vif_details": {},
"binding:vnic_type": "normal", "binding:vif_type": "unbound", "device_owner":
"", "mac_address": "fa:16:3e:8a:15:7f", "binding:profile": {}, "fixed_ips":
[{"subnet_id": "5369fb82-8ff6-4ec5-acf7-1d86d0ec9d2a", "ip_address":
"10.0.0.3"}], "id": "0e04e694-e573-474f-9c01-979c4967bdf8", "device_id": ""}]}
Both versions would succeed if an address other than 10.0.0.2 were
chosen.
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