cloud-init fails to set hostname

[Sandro "red" Mathys]

I just gave the F19 TC5 cloud image [1] a spin and the first impression is
very good (great job, Matthew!) except for one thing. Can anyone reproduce
the following?

[root at f19t2 ~]# journalctl -u cloud-init.service | grep hostname
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[WARNING]: Failed
to set the hostname to f19t2.novalocal (f19t2)
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[DEBUG]: Failed
to set the hostname to f19t2.novalocal (f19t2)
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[WARNING]:
Running set_hostname (<module 'cloudinit.config.cc_set_hostname' from
'/usr/lib/python2.7/site-packages/cloudinit/config/cc_set_hostname.pyc'>)
failed
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[DEBUG]: Running
set_hostname (<module 'cloudinit.config.cc_set_hostname' from
'/usr/lib/python2.7/site-packages/cloudinit/config/cc_set_hostname.pyc'>)
failed
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] helpers.py[DEBUG]:
Running config-update_hostname using lock (<cloudinit.helpers.DummyLock
object at 0x32dbb10>)
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT]
cc_update_hostname.py[DEBUG]: Updating hostname to f19t2.novalocal (f19t2)
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[DEBUG]: Running
command ['hostname'] with allowed return codes [0] (shell=False,
capture=True)
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] __init__.py[DEBUG]:
Attempting to update hostname to f19t2.novalocal in 1 files
Jun 18 07:02:47 f19t2 cloud-init[447]: [CLOUDINIT] util.py[DEBUG]: Running
command ['hostnamectl', 'set-hostname', 'f19t2.novalocal'] with allowed
return codes [0] (shell=False, capture=True)
Jun 18 07:03:12 f19t2 cloud-init[447]: [CLOUDINIT] util.py[WARNING]: Failed
to write hostname f19t2.novalocal to /var/lib/cloud/data/previous-hostname
Jun 18 07:03:12 f19t2 cloud-init[447]: [CLOUDINIT] util.py[DEBUG]: Failed
to write hostname f19t2.novalocal to /var/lib/cloud/data/previous-hostname
[root at f19t2 ~]# hostname
f19t2

So the hostname is set to f19t2 (the name I gave the instance) somehow but
setting it to f19t2.novalocal fails...not even sure why it's set in two
different ways and to two different values.

Let me know if more information is required or if it's worth opening a bug
report for this issue.

-- Sandro

[1] https://dl.fedoraproject.org/pub/alt/stage/19-TC5/Images/
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