[Bug 1488962] Re: systemd does not notice when services created via systemd-sysv-generator fail

[clvx]

This problem is still going on:

$ sudo apt-cache policy apache2
apache2:
  Installed: 2.4.18-2ubuntu3
  Candidate: 2.4.18-2ubuntu3
  Version table:
 *** 2.4.18-2ubuntu3 500
        500 http://azure.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

$ sudo systemctl status apache2.service
● apache2.service - LSB: Apache2 web server
   Loaded: loaded (/etc/init.d/apache2; bad; vendor preset: enabled)
  Drop-In: /lib/systemd/system/apache2.service.d
           └─apache2-systemd.conf
   Active: active (exited) since Sun 2016-06-19 00:01:35 UTC; 16min ago
     Docs: man:systemd-sysv-generator(8)
    Tasks: 0
   Memory: 0B
      CPU: 0

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https://bugs.launchpad.net/bugs/1488962

Title:
  systemd does not notice when services created via systemd-sysv-
  generator fail

Status in apache2 package in Ubuntu:
  Fix Released

Bug description:
  The systemd service generated from /etc/init.d/apache2 via systemd-
  sysv-generator contains the line

  RemainAfterExit=yes

  causing systemd to ignore crashes of the service. In order to
  reproduce this, add a non-existing address to /etc/apache2/ports.conf,
  which will cause the apache2 service to fail.

  However, "systemctl status apache2" will still show "active(exited)",
  e.g. will not recognize the service as failed. In particular,
  "systemctl is-failed apache2" will still return "active" instead of
  "failed".

  Expected result: "systemctl is-failed apache2" should return "failed",
  so that monitoring script can detect the error.

  The solution would probably be to include a proper native systemd
  service definition instead of using the converted sysv service.

  $ apt-cache policy apache2
  apache2:
    Installed: 2.4.10-9ubuntu1.1
    Candidate: 2.4.10-9ubuntu1.1
    Version table:
   *** 2.4.10-9ubuntu1.1 0
          500 http://eu.archive.ubuntu.com/ubuntu/ vivid-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages
          100 /var/lib/dpkg/status
       2.4.10-9ubuntu1 0
          500 http://eu.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages

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