Undercloud installation fails when fetching Ceph images

Solution Verified - Updated -


  • Tripleo container image pull fails with
# tail -f /var/log/tripleo-container-image-prepare.log
2020-01-27 01:56:15,729 538088 ERROR root [  ] Image prepare failed: HTTPSConnectionPool(host='docker-registry.upshift.redhat.com', port=443): Max retries exceeded with url: /v2/ (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7fc870566898>: Failed to establish a new connection: 
[Errno -2] Name or service not known',))
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/urllib3/connection.py", line 159, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw)
  File "/usr/lib/python3.6/site-packages/urllib3/util/connection.py", line 57, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "/usr/lib64/python3.6/socket.py", line 745, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known


  • Red Hat OpenStack Platform 16.0 Beta

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content