Comment 2 for bug 1926693

~~~
[heat-admin@compute-0 ~]$ python
Python 3.6.8 (default, Dec 5 2019, 15:45:45)
[GCC 8.3.1 20191121 (Red Hat 8.3.1-5)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import socket
>>> socket.gethostname()
'compute-0'
>>> socket.getaddrinfo(host=socket.gethostname(), port=None, family=socket.AF_UNSPEC, flags=socket.AI_CANONNAME)[0][3]
'compute-0.redhat.local'
~~~