Expecting authentication method via
  either a service token, --os-token or env[OS_SERVICE_TOKEN],
  or credentials, --os-username or env[OS_USERNAME].

export OS_AUTH_URL=http://192.168.171.131:5000/v2.0/
export OS_TENANT_NAME=admin
export OS_TENANT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=nomoresecrete

source /path/to/configuration/file