Identity v3
Requires: OS-OAUTH1 extension
Create an access token
os access token create
    --consumer-key <consumer-key>
    --consumer-secret <consumer-secret>
    --request-key <request-key>
    --request-secret <request-secret>
    --verifier <verifier>
Consumer key (required)
Consumer secret (required)
Request token to exchange for access token (required)
Secret associated with <request-key> (required)
Verifier associated with <request-key> (required)