systemctl - alias service reports inactive while aliased is active

Debdiff for Xenial.

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@joalif shouldn't we include the manpage correction as well?
https://github.com/systemd/systemd/pull/7997/commits/71c9f49d730c8e8d072258f5ba30fc1ff360ce91

@ddstreet There is no need to include the manpage correction (commit 71c9f49d730c8e)
since it reverts commit c7612b2 which does not exist in xenial systemd.

Initially issue #7875 was classified as feature request and not as a bug.
Upstream added modified the manpage (https://github.com/systemd/systemd/commit/c7612b20052d9151f60a96623b8743cbac88390d)
to clarify that 'is-active' command does not load units and therefore explain why an
alias unit is reported inactive while the aliased is reported active.
Later, when they realised it is a bug and fixed it they reverted c7612b2 with 71c9f49d730c8e.

Only affects xenial at the moment.

Hello Ioanna, or anyone else affected,

Accepted systemd into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.22 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-xenial to verification-done-xenial. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-xenial. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

All autopkgtests for the newly accepted systemd (229-4ubuntu21.22) for xenial have finished running.
There have been regressions in tests triggered by the package. Please visit the sru report page and investigate the failures.

https://people.canonical.com/~ubuntu-archive/pending-sru.html#xenial

re: autopkgtests, a few failed, but I re-ran them and they passed on the re-run.

Verification on Xenial.

Repeating test case from description.

- Test case 1 - libvirtd

alias service : libvirtd
aliased service : libvirt-bin

# ls -la libvirtd.service
lrwxrwxrwx 1 root root 39 Mar 21 16:27 libvirtd.service -> /lib/systemd/system/libvirt-bin.service

# systemctl is-active libvirtd
active

# systemctl is-active libvirt-bin
active

- Test case 2 - sshd

alias service : sshd
aliased service : ssh

# ls -la sshd.service
lrwxrwxrwx 1 root root 31 Mar 21 14:39 sshd.service -> /lib/systemd/system/ssh.service

# systemctl is-active sshd
active

# systemctl is-active ssh
active

# dpkg -l | grep systemd
ii libpam-systemd:amd64 229-4ubuntu21.22 amd64 system and service manager - PAM module
ii libsystemd0:amd64 229-4ubuntu21.22 amd64 systemd utility library
ii systemd 229-4ubuntu21.22 amd64 system and service manager
ii systemd-sysv 229-4ubuntu21.22 amd64 system and service manager - SysV links

This bug was fixed in the package systemd - 229-4ubuntu21.22

---------------
systemd (229-4ubuntu21.22) xenial; urgency=medium

  [ Dan Streetman ]
  * d/t/systemd-fsckd, d/t/cmdline-upstart-boot:
    - skip on s390x; requires grub (LP: #1830477)
  * d/p/ask-password-prevent-buffer-overrow-when-reading-fro.patch:
    - prevent buffer overflow when reading keyring (LP: #1814373)

  [ Dimitri John Ledkov ]
  * Specify Ubuntu's Vcs-Git

  [ Balint Reczey ]
  * Append /snap/bin to default PATH.
    Snapd ships snapd-env-generator, but systemd does not not support
    environment generators. Hard-coding /snap/bin is less risky than
    backporting environment generator support and since snaps are considered
    to be first class packages on Ubuntu /snap/bin can safely added to
    the default PATH. (LP: #1771858)

  [ Ioanna Alifieraki ]
  * d/p/systemctl-Replace-check_one_unit-by-get_state_one_un.patch
    - Backport upstream PR#2768 needed for next patch
  * d/p/systemctl-load-unit-if-needed-in-systemctl-is-active.patch
    - Backport upstream PR#7997 to fix alias service reports inactive while
      aliased is active (LP: #1828892)

 -- Dan Streetman <email address hidden> Wed, 24 Apr 2019 17:15:36 -0400

The verification of the Stable Release Update for systemd has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.