Comment 3 for bug 1591282

Using the neutron service user and tenant resulted in 401 errors[1]. I confirmed via a manual curl, that the admin user, password, and tenant is required[0]. Not the neutron service user.

[0]
curl -i http://172.22.192.250:35357/v2.0/tokens -X POST -H "User-Agent: python-neutronclient" -d '{"auth": {"tenantName": "admin", "passwordCredentials": {"username": "admin", "password": "99a1b1ff0f8ce
root@infra-node4_neutron_agents_container-644e8f83:/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers# curl -i http://172.22.192.250:35357/v2.0/tokens -X POST -H "User-Agent: python-neutronclient" -H "Content-Type: application/json" -d '{"auth": {"tenantName": "admin", "passwordCredentials": {"username"
: "admin", "password": "REDACTED"}}}'
HTTP/1.1 200 OK
Date: Fri, 10 Jun 2016 17:42:25 GMT
Server: Apache
Vary: X-Auth-Token
x-openstack-request-id: req-875f321a-8a01-49c4-a4fd-209061561e2d
Content-Length: 4487
Content-Type: application/json

[1]
root@infra-node4_neutron_agents_container-644e8f83:/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers# curl -i http://172.22.192.250:35357/v2.0/tokens -X POST -H "User-Agent: python-neutronclient" -H "Content-Type: application/json" -d '{"auth": {"tenantName": "service", "passwordCredentials": {"username": "neutron", "password": "REDACTED"}}}'
HTTP/1.1 401 Unauthorized
Date: Fri, 10 Jun 2016 17:43:21 GMT
Server: Apache
Vary: X-Auth-Token
x-openstack-request-id: req-513aca0b-ec2a-4603-82e3-286969203b6e
WWW-Authenticate: Keystone uri="http://172.22.192.250:35357"
Content-Length: 114
Content-Type: application/json

{"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}