SSL error from OSP7 director python clients: Missing subjectAltName

Solution Unverified - Updated -

Issue

  • Every time an OpenStack CLI is used, the following error message is displayed:
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:251: SecurityWarning: Certificate has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
  SecurityWarning
  • This error will be displayed when the director is configured to use SSL encryption (see undercloud documentation for more information)
undercloud_service_certificate=/etc/pki/instack-certs/undercloud.pem

Environment

  • Red Hat OpenStack 7.0 (RHOS)

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