clouds.yml

without pem
clouds:
  main:
    auth:
      username: 'admin'
      password: 'pass'
      project_name: 'admin'
      project_domain_name: 'Default'
      user_domain_name: 'Default'
      auth_url: 'http://10.220.109.170:5000/v3'
      verify: False
      cacert: |
             -----BEGIN CERTIFICATE-----
                cert
             -----END CERTIFICATE-----
    region_name: RegionOne
    identity_api_version: 3
    identity_interface: internal
    verify: False