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This is a replicate of upstream bug
https://bugs.launchpad.net/cloud-init/+bug/1717147
As requested by customer in support case, I replicate this upstream bug to RHBZ.
Description of problem:
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.
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.
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.
Version-Release number of selected component (if applicable):
CentOS 7.4, cloud-init-0.7.9-9.el7.centos.2.x86_64
How reproducible:
Steps to Reproduce:
1.
2.
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Actual results:
Expected results:
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2019:2123
Comment 29Red Hat Bugzilla
2023-09-15 00:03:54 UTC
The needinfo request[s] on this closed bug have been removed as they have been unresolved for 500 days