Public bug reported:
After having crashed, sssd will not start, because the old PIDfile is still
present. The fact that the process does not exist any more does not cause the
PIDfile to be cleaned up.
This bug is already known, but not fixed, upstream:
https://pagure.io/SSSD/sssd/issue/3528
(also contains instructions for reproduction).
In our environment, with hundreds of computers running Ubuntu, the
'solution' brought forth in that discussion, to investigate and handle
the issue manually, is not a serious option.
So I propose that we make systemd handle the PIDfile in case of a crash.
With the attached one-line patch applied, systemd will clean up the
PIDfile after a crash. That way, sssd doesn't have to make assumptions
about namespaces, but the package still handles the issue.
Mandatory data:
Ubuntu version:
Ubuntu 16.04.4 LTS
Package version:
apt-cache policy $(dpkg -S /lib/systemd/system/sssd.service )
sssd-common: Installed: 1.13.4-1ubuntu1.11
What I expect to happen:
After
kill -9 $(cat /var/run/sssd.pid)
the command
systemctl start sssd
results in a running sssd.
What happens instead:
No sssd is running. Only after
rm /var/run/sssd.pid
systemctl start sssd
does it run again.
** Affects: sssd (Ubuntu)
Importance: Undecided
Status: New
** Patch added: "Add PIDFile setting in sssd.service"
https://bugs.launchpad.net/bugs/1777860/+attachment/5154643/+files/sssd_pidfile.patch
** Description changed:
After having crashed, sssd will not start, because the old PIDfile is still
present. The fact that the process does not exist any more does not cause the
PIDfile to be cleaned up.
This bug is already known, but not fixed, upstream:
https://pagure.io/SSSD/sssd/issue/3528
(also contains instructions for reproduction).
In our environment, with hundreds of computers running Ubuntu, the
'solution' brought forth in that discussion, to investigate and handle
the issue manually, is not a serious option.
So I propose that we make systemd handle the PIDfile in case of a crash.
With the attached one-line patch applied, systemd will clean up the
PIDfile after a crash. That way, sssd doesn't have to make assumptions
about namespaces, but the package still handles the issue.
Mandatory data:
Ubuntu version:
- Ubuntu 16.04.4 LTS
+ Ubuntu 16.04.4 LTS
Package version:
- apt-cache policy $(dpkg -S /lib/systemd/system/sssd.service )
- sssd-common: Installed: 1.13.4-1ubuntu1.11
+ apt-cache policy $(dpkg -S /lib/systemd/system/sssd.service )
+ sssd-common: Installed: 1.13.4-1ubuntu1.11
What I expect to happen:
After
- kill -9 $(cat /var/run/sssd.pid)
+ kill -9 $(cat /var/run/sssd.pid)
the command
- systemctl start sssd results in a running sssd
+ systemctl start sssd
results in a running sssd.
What happens instead:
No sssd is running. Only after
- rm /var/run/sssd.pid
- systemctl start sssd results in a running sssd
+ rm /var/run/sssd.pid
+ systemctl start sssd results in a running sssd
does it run again.
** Description changed:
After having crashed, sssd will not start, because the old PIDfile is still
present. The fact that the process does not exist any more does not cause the
PIDfile to be cleaned up.
This bug is already known, but not fixed, upstream:
https://pagure.io/SSSD/sssd/issue/3528
(also contains instructions for reproduction).
In our environment, with hundreds of computers running Ubuntu, the
'solution' brought forth in that discussion, to investigate and handle
the issue manually, is not a serious option.
So I propose that we make systemd handle the PIDfile in case of a crash.
With the attached one-line patch applied, systemd will clean up the
PIDfile after a crash. That way, sssd doesn't have to make assumptions
about namespaces, but the package still handles the issue.
Mandatory data:
Ubuntu version:
Ubuntu 16.04.4 LTS
Package version:
apt-cache policy $(dpkg -S /lib/systemd/system/sssd.service )
sssd-common: Installed: 1.13.4-1ubuntu1.11
What I expect to happen:
After
kill -9 $(cat /var/run/sssd.pid)
the command
systemctl start sssd
results in a running sssd.
What happens instead:
No sssd is running. Only after
rm /var/run/sssd.pid
- systemctl start sssd results in a running sssd
+ systemctl start sssd
does it run again.
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https://bugs.launchpad.net/bugs/1777860
Title:
Sssd doesn't clean up PIDfile after crash
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