Identity v3
Create new trust
os trust create
    --project <project>
    --role <role>
    [--impersonate]
    [--expiration <expiration>]
    [--project-domain <domain>]
    [--trustor-domain <domain>]
    [--trustee-domain <domain>]
    <trustor>
    <trustee>
Project being delegated (name or ID) (required)
Roles to authorize (name or ID) (repeat option to set multiple values, required)
Tokens generated from the trust will represent <trustor> (defaults to False)
Sets an expiration date for the trust (format of YYYY-mm-ddTHH:MM:SS)
Domain the project belongs to (name or ID). This can be used in case collisions between user names exist.
Domain that contains <trustor> (name or ID)
Domain that contains <trustee> (name or ID)
User that is delegating authorization (name or ID)
User that is assuming authorization (name or ID)