I tested this in an Ubuntu 18.04 lxc container and removed the
policykit-1 package. With the version of apport in -updates I received
the Traceback which appears in the bug description. After that I
installed the version of apport from -proposed and I did not receive a
Traceback.
ubuntu@darling-horse:~$ apt-cache policy apport
apport:
Installed: 2.20.9-0ubuntu7.17
Candidate: 2.20.9-0ubuntu7.17
Version table:
*** 2.20.9-0ubuntu7.17 500
500 http://archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages
100 /var/lib/dpkg/status
2.20.9-0ubuntu7.16 500
500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
2.20.9-0ubuntu7 500
500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic
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Touch seeded packages, which is subscribed to apport in Ubuntu.
https://bugs.launchpad.net/bugs/1861451
Title:
apport's cloud-init-specific handling tracebacks on minimal cloud
images
Status in apport package in Ubuntu:
Fix Released
Status in apport source package in Bionic:
Fix Committed
Status in apport source package in Focal:
Invalid
Bug description:
Impact
------
It is not possible to run ubuntu-bug for some packages which gather
information as root because pkexec does not work in non-graphical environments
(LP: #1821415). This was worked around in Ubuntu 19.10 by not gathering any
information that would require root access.
Test Case
---------
1) Install multipass.
2) `multipass launch
http://cloud-images.ubuntu.com/minimal/daily/bionic/current/bionic-minimal-cloudimg-amd64.img
-n reproducer`
3) `multipass shell reproducer`
4) `ubuntu-bug cloud-init`
Expected behaviour:
Usual bug reporting flow (though, currently, I would really expect to
see just the issue reported in bug 1861450).
Actual behaviour:
ERROR: hook /usr/share/apport/package-hooks/cloud-init.py crashed:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport/report.py", line 198, in
_run_hook
symb['add_info'](report, ui)
File "/usr/share/apport/package-hooks/cloud-init.py", line 6, in add_info
return cloudinit_add_info(report, ui)
File "/usr/lib/python3/dist-packages/cloudinit/apport.py", line 123, in
add_info
attach_cloud_init_logs(report, ui)
File "/usr/lib/python3/dist-packages/cloudinit/apport.py", line 57, in
attach_cloud_init_logs
'cloud-init-output.log.txt': 'cat /var/log/cloud-init-output.log'})
File "/usr/lib/python3/dist-packages/apport/hookutils.py", line 444, in
attach_root_command_outputs
sp = subprocess.Popen(_root_command_prefix() + [wrapper_path,
script_path])
File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
restore_signals, start_new_session)
File "/usr/lib/python3.6/subprocess.py", line 1364, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'pkexec': 'pkexec'
(As alluded to above, this also demonstrates bug 1861450 after the
traceback is emitted.)
Regression Potential
--------------------
Little as we are just returning and empty list if pkexec is not available,
however it is always possible that the code is misformated or that there is a
logic error in it. A regression test would be to run the ubuntu-bug cloud-init
on a system with pkexec installed.
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