Public bug reported:
When a datasource is instantiated it is passed in Init.cfg as the 'sys_cfg'.
But then when 'distro' property is referenced, it has the side effect
of:
system_config = self._extract_cfg('system')
if self.datasource is not NULL_DATA_SOURCE:
self.datasource.distro = self._distro
self.datasource.sys_cfg = system_config
Here we see the problem demonstrated.
root@c1:~# cat show-syscfg-keys
#!/usr/bin/python3
from cloudinit.stages import _pkl_load;
print(_pkl_load("/var/lib/cloud/instance/obj.pkl").sys_cfg.keys())
root@c1:~# cloud-init clean --logs
root@c1:~# cloud-init init --local
Cloud-init v. 18.3-18-g3cee0bf8-0ubuntu1 running 'init-local' at Thu, 16 Aug
2018 18:08:00 +0000. Up 574.00 seconds.
root@c1:~# python3 show-syscfg-keys
dict_keys(['datasource_list', '_log', 'log_cfgs', 'output', 'users',
'disable_root', 'preserve_hostname', 'cloud_init_modules',
'cloud_config_modules', 'cloud_final_modules', 'def_log_file',
'syslog_fix_perms', 'vendor_data'])
root@c1:~#
root@c1:~#
root@c1:~# cloud-init init >/dev/null 2>&1
Cloud-init v. 18.3-18-g3cee0bf8-0ubuntu1 running 'init' at Thu, 16 Aug 2018
18:08:11 +0000. Up 585.00 seconds.
...
root@c1:~# python3 show-syscfg-keys
dict_keys(['default_user', 'ntp_client', 'paths', 'package_mirrors',
'ssh_svcname', 'network'])
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: cloud-init 18.3-18-g3cee0bf8-0ubuntu1
ProcVersionSignature: Ubuntu 4.17.0-6.7-generic 4.17.9
Uname: Linux 4.17.0-6-generic x86_64
ApportVersion: 2.20.10-0ubuntu7
Architecture: amd64
CloudName: LXD
Date: Thu Aug 16 18:02:03 2018
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SourcePackage: cloud-init
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: cloud-init
Importance: Medium
Status: Confirmed
** Affects: cloud-init (Ubuntu)
Importance: Medium
Status: Confirmed
** Tags: amd64 apport-bug cosmic uec-images
** Also affects: cloud-init
Importance: Undecided
Status: New
** Changed in: cloud-init
Status: New => Confirmed
** Changed in: cloud-init (Ubuntu)
Status: New => Confirmed
** Changed in: cloud-init
Importance: Undecided => Medium
** Changed in: cloud-init (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1787459
Title:
datasource.sys_cfg gets different values in local stage and after.
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