** Changed in: cloud-init (CentOS)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1717147
Title:
cloud-init 0.7.9 fails for CentOS 7.4 in Cloudstack
Status in cloud-init:
Fix Released
Status in cloud-init package in CentOS:
Fix Released
Bug description:
Environment:
CentOS 7.4, cloud-init-0.7.9-9.el7.centos.2.x86_64
Problem (quick):
CentOS 7.4 builds on Cloudstack 4.8 don't run cloud-init because the newer
version of cloud-init doesn't appear to like the way the dhclient lease file is
named.
Problem (long):
I've just built a CentOS 7.4 instance in one of my CloudStack 4.8
clusters. Unfortunately, cloud-init fails with the following in
snippet in /var/log/cloud-init.log:
2017-09-13 18:53:00,118 - __init__.py[DEBUG]: Seeing if we can get any data
from <class 'cloudinit.sources.DataSourceCloudStack.DataSourceCloudStack'>
2017-09-13 18:53:00,118 - DataSourceCloudStack.py[DEBUG]: Using
/var/lib/dhclient lease directory
2017-09-13 18:53:00,118 - DataSourceCloudStack.py[DEBUG]: No lease file
found, using default gateway
Where it then tries to use the default route to download userdata.
The problem is that we're not using the Cloudstack VR as a default
router, so I expected it to parse /var/lib/dhclient/dhclient--
eth0.lease for the "dhcp-server-identifier" line.
Theory as to cause:
I believe that this change
(https://github.com/cloud-init/cloud-init/commit/aee0edd93cb4d78b5e0d1aec71e977aabf31cdd0#diff-5bc9de2bb7889d66205845400c7cf99b)
breaks cloud-init beyond the 7.3-distributed cloud-0.7.5 when 7.4 includes
0.7.9-9.
Fix:
Changing it from "dhclient." to "dhclient-" in /usr/lib/python2.7
/site-packages/cloudinit/sources/DataSourceCloudStack.py on the
running box with an installed RPM did the trick theoretically (after
removing the pyc and pyo files, of course).
This *can* be patched around by RedHat/CentOS (and hopefully will),
but I figure it might be better to take it straight upstream.
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