** Changed in: systemd (Ubuntu)
Status: Confirmed => In Progress
** Changed in: systemd (Ubuntu Xenial)
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/1828892
Title:
systemctl - alias service reports inactive while aliased is active
Status in systemd package in Ubuntu:
In Progress
Status in systemd source package in Xenial:
In Progress
Bug description:
[Impact]
'systemctl is-active' command reports an alias service as inactive even
though the aliased service
is active.
Currently the 'systemctl is-active' command does not load units to minimise
its effect on the system (i.e. that a monitoring command does not itself alter
the state of the system).
However, this behaviour leads to inconsistencies when services are aliased.
[Test case]
- Test case 1 - libvirtd
alias service : libvirtd
aliased service : libvirt-bin
/etc/systemd/system$ ls -la libvirtd.service
lrwxrwxrwx 1 root root 39 May 13 20:49 libvirtd.service ->
/lib/systemd/system/libvirt-bin.service
$ systemctl is-active libvirtd
inactive
$ systemctl is-active libvirt-bin
active
- Test case 2 - sshd
alias service : sshd
aliased service : ssh
/ect/systemd/system$ ls -la sshd.service
lrwxrwxrwx 1 root root 31 Mar 19 19:44 sshd.service ->
/lib/systemd/system/ssh.service
$ systemctl is-active sshd
inactive
$ systemctl is-active ssh
active
[Regression Potential]
This fix may result into systemctl reporting inconsistent information
concerning the status of a service.
[Other]
Upstream issue : https://github.com/systemd/systemd/issues/7875
Upstream fix : https://github.com/systemd/systemd/pull/7997
Xenial is affected, fix exists on Bionic onward.
$ lsb_release -rd
Description: Ubuntu 16.04.6 LTS
Release: 16.04
$ apt-cache policy systemd
systemd:
Installed: 229-4ubuntu21.21
Candidate: 229-4ubuntu21.21
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