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NewConnectionError when trying to create domains, services, users, and projects in Stein on Ubuntu 18.04

Hello,

My coworker and I are currently working on installing the services for an Openstack stein machine. On our controller node, we believe we have the correct network configuration, as we are able to ping our router, compute node, and the Internet. However, while installing Keystone whenever we try to input commands such as:

openstack project create --domain default \

--description "Demo Project" myproject

We get an error message:

Failed to discover available identity versions when contacting http://ubuntu:3306/v3. Attempting to parse version from URL. Unable to establish connection to http://ubuntu:3306/v3/auth/tokens: HTTPConnectionPool(host='ubuntu', port=3306): Max retries exceeded with url: /v3/auth/tokens (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f40a3efa210>: Failed to establish a new connection: [Errno 111] Connection refused',))

We are using the Stein documentation for reference

https://docs.openstack.org/install-guide/index.html

https://docs.openstack.org/keystone/stein/install/index-ubuntu.html

If there is any important information I left out, please let me know. We are both very new to openstack and have been learning as we go along. Thanks in advance for any answers.