Next Generation Checkbox (CLI)

purge dependency is weird

Bug #1467393 reported by Taihsiang Ho
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Next Generation Checkbox (CLI)
Fix Released
Low
Taihsiang Ho
Next Generation Checkbox (CLI) 0.26

Bug Description

Ubuntu 12.04.5
Linux 201302-12728 3.13.0-32-generic #57~precise1-Ubuntu SMP Tue Jul 15 03:51:20 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-================================-================================-================================================================================
ii checkbox 0.17.10+bzr2832+pkg77+legacy1~ub System testing application
ii checkbox-autostart-desktop 0.2+bzr3849+pkg3~ubuntu12.04.1 Automatic system testing for desktop systems
un checkbox-autostart-server <none> (no description available)
ii checkbox-ci-mailer 0.2+bzr3849+pkg3~ubuntu12.04.1 Automatic system testing CI loop
un checkbox-cli <none> (no description available)
ii checkbox-gui 0.34+bzr3843+pkg18~ubuntu12.04.1 QML based interface for system testing based on PlainBox.
ii checkbox-ng 0.20+bzr3843+pkg27~ubuntu12.04.1 PlainBox based test runner
ii checkbox-ng-service 0.20+bzr3843+pkg27~ubuntu12.04.1 CheckBox D-Bus service
ii checkbox-qt 0.13.10 QT4 interface for checkbox
ii plainbox-provider-checkbox 0.21+bzr3843+pkg25~ubuntu12.04.1 CheckBox provider for PlainBox
ii python3-checkbox 0.17.10+bzr2832+pkg77+legacy1~ub CheckBox python3 library
ii python3-checkbox-ng 0.20+bzr3843+pkg27~ubuntu12.04.1 PlainBox based test runner (Python 3 library)
ii python3-checkbox-support 0.20+bzr3843+pkg21~ubuntu12.04.1 collection of Python modules used by PlainBox providers

Steps to reproduce this bug:
case 1: sudo apt-get purge checkbox-autostart-desktop
case 2: sudo apt-get purge checkbox-autostart-desktop checkbox-autostart-server -y --force-yes

Expected result:
for case 1 -
only checkbox-autostart-desktop is going to be removed and purged.

for case 2 -
only checkbox-autostart-desktop and checkbox-autostart-server is going to be removed and purged.

Actual result:
for case 1 -
checkbox-autostart-server is going to be installed

for case 2 -
checkbox-ci-mailer is going to be removed as well.

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

For the emergency workaround [1], this patch only affects the desktop version.

For server, we will need to modify the file for upstart and systemd, as it does not have the X desktop (no autostart package)
But fortunately, this feature does not needed on servers, as we only run SRU on desktop systems here.

[1] https://code.launchpad.net/~taihsiangho/checkbox/checkbox-150622-rollback-autostart/+merge/262559

Revision history for this message
Sylvain Pineau (sylvain-pineau) wrote :

Did you find a solution to this bug? If yes could you detail it in the bug report please?

Changed in checkbox:
status: New → Incomplete
assignee: nobody → Taihsiang Ho (taihsiangho)
affects: checkbox → checkbox-ng
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

AFAIK we don't have a real solution for this bug yet.

After some research, I noticed that this issue only happen when the checkbox-ci-mailer was installed.
If it's not, then everything works as expected.

Changed in checkbox-ng:
status: Incomplete → Confirmed
Po-Hsu Lin (cypressyew)
Changed in checkbox-ng:
importance: Undecided → Low
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Tested with both case 1 and 2, on a system with checkbox-ci-mailer and checkbox-autostart-desktop installed.

Case 1: sudo apt-get purge checkbox-autostart-desktop
It will try to retain the dependency, so the checkbox-autostart-server will be installed.

Case 2: sudo apt-get purge checkbox-autostart-desktop checkbox-autostart-server
This time it will try to remove the checkbox-autostart-desktop and the checkbox-ci-mailer package.

So from case 2, I think this issue does not exist anymore.

To this issue, we can simply ask it to purge these 2 autostart packages to get them removed. Although I think this is not what we want for CI, as we still need it for sending out notifications. Otherwise the following command in checkbox-ci-mailer.conf might fail: "exec /usr/bin/checkbox-ci-script.sh mailer"[1]. Maybe we can close this bug as Invalid or something else?

The dependency tree:
ubuntu@ubuntu:~$ apt-cache depends checkbox-ci-mailer
checkbox-ci-mailer
 |Depends: checkbox-autostart-server
  Depends: checkbox-autostart-desktop
  Depends: curl
  Depends: upstart

[1] http://bazaar.launchpad.net/~checkbox-dev/checkbox/trunk/view/head:/checkbox-ng/contrib/checkbox-ci-mailer.conf

Revision history for this message
Taihsiang Ho (tai271828) wrote :

For case 2 it is reasonable to me not to reserve checkbox-ci-mailer.
But for case1 I think we could simply remove the dependence.
I will update the deb file later to fix case 1.

Po-Hsu Lin (cypressyew)
Changed in checkbox-ng:
status: Confirmed → In Progress
Taihsiang Ho (tai271828)
Changed in checkbox-ng:
status: In Progress → Fix Released
Pierre Equoy (pieq)
Changed in checkbox-ng:
milestone: none → 0.26
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