This bug was fixed in the package cups - 2.2.7-1ubuntu2.6
---------------
cups (2.2.7-1ubuntu2.6) bionic; urgency=medium
* d/p/0045-Fix-an-issue-with-PreserveJobHistory-and-time-values.patch
Fix an issue with `PreserveJobHistory` and time values
(Issue #5538, Closes: #921741, LP: #1747765)
-- Dariusz Gadomski <dariusz.gadom...@canonical.com> Thu, 30 May 2019
10:02:17 +0200
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https://bugs.launchpad.net/bugs/1747765
Title:
PreserveJobHistory and PreserveJobLog do not respect numeric input as
outlined in the docs
Status in cups package in Ubuntu:
Fix Released
Status in cups source package in Xenial:
Fix Committed
Status in cups source package in Bionic:
Fix Released
Status in cups source package in Cosmic:
Fix Released
Status in cups source package in Disco:
Fix Released
Bug description:
[Impact]
The documentation allows the following types of arguments for the
PreserveJobHistory parameter:
PreserveJobHistory Yes
PreserveJobHistory No
PreserveJobHistory seconds
The value in seconds is treated in the same as 'No' resulting in
immediate removing of jobs from history, while it is supposed to save
it for <seconds>.
[Test Case]
1. Set PreserveJobHistory to 30. Set LogLevel to debug.
2. Schedule a job for printing.
3. Check the error_log.
4. Set PreserveJobHistory to No. Repeat 2-3.
5. Set PreserveJobHistory to Yes. Repeat 2-3.
Expected result (for PreserveJobHistory values):
30: Job is save for at least 30 seconds.
No: Job is removed right after processing.
Yes: Job is never removed.
Actual results (for PreserveJobHistory values):
30: Job is immediately removed from history.
No: Job is removed right after processing.
Yes: Job is never removed.
[Regression Potential]
* With the fix the jobs will be saved longer than before, so in tight
conditions (low disk space) and heavy workload it may affect
memory/disk space consumption and lead to running out of free space in
worst case.
[Other Info]
* Original bug description:
1) Ubuntu Release
Description: Ubuntu 16.04.3 LTS
Release: 16.04
2) Version of the package
cups:
Installed: 2.1.3-4ubuntu0.3
Candidate: 2.1.3-4ubuntu0.3
Version table:
*** 2.1.3-4ubuntu0.3 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
3) What I expected to happen:
from man cupsd.conf
PreserveJobFiles Yes
PreserveJobFiles No
PreserveJobFiles seconds
Specifies whether job files (documents) are preserved after a
job is printed. If a numeric value is specified, job files are preserved
for the indicated number of seconds after printing. The default
is "86400" (preserve 1 day).
PreserveJobHistory Yes
PreserveJobHistory No
PreserveJobHistory seconds
Specifies whether the job history is preserved after a job is
printed. If a numeric value is specified, the job history is preserved for
the indicated number of seconds after printing. If "Yes", the
job history is preserved until the MaxJobs limit is reached. The default
is "Yes".
4) What happens instead....
If I put the following directives in cupsd.conf the job files and
history are deleted immediately.
PreserveJobFiles 604800
PreserveJobHistory 604800
Debug log showing history being purged:
d [06/Feb/2018:15:11:59 -0600] cupsdCheckJobs: 0 active jobs, sleeping=0,
ac-power=-1, reload=0, curtime=1517951519
d [06/Feb/2018:15:11:59 -0600] cupsdCleanJobs: MaxJobs=100,
JobHistory=604800, JobFiles=604800
D [06/Feb/2018:15:11:59 -0600] [Job 106] Removing from history.
D [06/Feb/2018:15:11:59 -0600] [Job 106] Unloading...
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