...
2- Openstack API listen on port 8774 ( http://<IP@>:8774 )
3- get the Token from Keystone ( port 5000 )
https://docs.openstack.org/juno/config-reference/content/list-of-compute-config-options.html
...
root@vse2100-11:~# more /etc/nova/nova.conf | grep port
rabbit_port=5672
report_interval=10
novncproxy_port=5999
auth_port=35357
