Thanks Roopak!
** Changed in: cloud-init
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/1448594
Title:
DuplicateError while parsing ifcfg-ethX
Status in cloud-init:
Won't Fix
Bug description:
I have a VirtualMachine image (Scientific Linux 6.4) which has a static IP
address assigned to it. Using Openstack and using 'config-drive' we tried to
boot a new VirtualMachine from that image, config-drive, the ISO contains a new
'static-ip' address. Cloud-init recognizes that and tries to read the existing
/etc/sysconfig/network-scripts/ifcfg-eth0 and fails with the following error:
---
Apr 24 18:04:13 rparikh-sl6-w-cloud-init [CLOUDINIT] util.py[DEBUG]:
Getting data from <class
'cloudinit.sources.DataSourceConfigDrive.DataSourceConfigDrive'>
failed#012Traceback (most recent call last):#012 File
"/usr/lib/python2.6/site-packages/cloudinit/sources/__init__.py", line
243, in find_source#012 if s.get_data():#012 File
"/usr/lib/python2.6/site-
packages/cloudinit/sources/DataSourceConfigDrive.py", line 212, in
get_data#012 self.helper.on_first_boot(results)#012 File
"/usr/lib/python2.6/site-
packages/cloudinit/sources/DataSourceConfigDrive.py", line 54, in
on_first_boot#012
self.distro.apply_network(data['network_config'])#012 File
"/usr/lib/python2.6/site-packages/cloudinit/distros/__init__.py", line
116, in apply_network#012 dev_names =
self._write_network(settings)#012 File "/usr/lib/python2.6/site-
packages/cloudinit/distros/rhel.py", line 85, in _write_network#012
rhel_util.update_sysconfig_file(net_fn, net_cfg)#012 File
"/usr/lib/python2.6/site-packages/cloudinit/distros/rhel_util.py",
line 125, in update_sysconfig_file#012 (exists, contents) =
read_sysconfig_file(fn)#012 File "/usr/lib/python2.6/site-
packages/cloudinit/distros/rhel_util.py", line 153, in
read_sysconfig_file#012 return (exists, SysConf(contents))#012
File "/usr/lib/python2.6/site-
packages/cloudinit/distros/parsers/sys_conf.py", line 60, in
__init__#012 write_empty_values=True)#012 File "/usr/lib/python2.6
/site-packages/configobj.py", line 1219, in __init__#012
self._load(infile, configspec)#012 File "/usr/lib/python2.6/site-
packages/configobj.py", line 1302, in _load#012 raise
error#012DuplicateError: Duplicate keyword name at line 24.
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The problem seems to be duplicate keys in the ifcfg-eth0, we can try
and fix this image, but there are probably others with the same
settings and in general I would assume parsing should be resilient to
these failures. In addition I am not sure if I understand the logic
behind reading the current ifcfg and modifying it, we should be able
to simplify it by overwriting (a backup can be taken for debugging
purposes) the ifcfg file.
Attached is a screenshot with contents of the ifcfg file.
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