[Bug 1627612] [NEW] systemctl restart xxx* does not restart inactive services

[Jake Yip]

Public bug reported:

Man pages of systemctl indicates that the start, restart, status takes
in [PATTERN], which accepts wildcard.

However, for an inactive service, it does not work UNLESS --all is
provided, which does not make sense for a command like restart. If one
wants to restart only if service is active, there is the try-restart
command.

To replicate

1. Stop a service. `systemctl stop sysstat.service`
2. Restart with wildcard. `systemctl restart sysstat*`
3. Check service status. It should still be inactive.
4. Restart with --all wildcard. `systemctl restart --all sysstat*`
5. Check again, service should have been started.

More logs below

root at notifications-m:~# systemctl status sysstat.service 
● sysstat.service - LSB: Start/stop sysstat's sadc
   Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
   Active: active (exited) since Mon 2016-09-26 16:22:02 AEST; 48min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 3607 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
  Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)
    Tasks: 0
   Memory: 0B
      CPU: 0

Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
root at notifications-m:~# systemctl stop sysstat.service 
root at notifications-m:~# systemctl status sysstat.service 
● sysstat.service - LSB: Start/stop sysstat's sadc
   Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
   Active: inactive (dead) since Mon 2016-09-26 17:10:16 AEST; 1s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
  Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
Sep 26 17:10:16 notifications-m systemd[1]: Stopping LSB: Start/stop sysstat's sadc...
Sep 26 17:10:16 notifications-m systemd[1]: Stopped LSB: Start/stop sysstat's sadc.
(reverse-i-search)`restar': systemctl ^Cstart --all ceilometer-agent-notification*
root at notifications-m:~# systemctl restart sysstat*
root at notifications-m:~# systemctl status sysstat.service 
● sysstat.service - LSB: Start/stop sysstat's sadc
   Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
   Active: inactive (dead) since Mon 2016-09-26 17:10:16 AEST; 16s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
  Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
Sep 26 17:10:16 notifications-m systemd[1]: Stopping LSB: Start/stop sysstat's sadc...
Sep 26 17:10:16 notifications-m systemd[1]: Stopped LSB: Start/stop sysstat's sadc.
root at notifications-m:~# systemctl restart --all sysstat*
root at notifications-m:~# systemctl status sysstat.service 
● sysstat.service - LSB: Start/stop sysstat's sadc
   Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
   Active: active (exited) since Mon 2016-09-26 17:10:39 AEST; 1s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
  Process: 8250 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

Sep 26 17:10:39 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
Sep 26 17:10:39 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1627612

Title:
  systemctl restart xxx* does not restart inactive services

Status in systemd package in Ubuntu:
  New

Bug description:
  Man pages of systemctl indicates that the start, restart, status takes
  in [PATTERN], which accepts wildcard.

  However, for an inactive service, it does not work UNLESS --all is
  provided, which does not make sense for a command like restart. If one
  wants to restart only if service is active, there is the try-restart
  command.

  To replicate

  1. Stop a service. `systemctl stop sysstat.service`
  2. Restart with wildcard. `systemctl restart sysstat*`
  3. Check service status. It should still be inactive.
  4. Restart with --all wildcard. `systemctl restart --all sysstat*`
  5. Check again, service should have been started.

  More logs below

  root at notifications-m:~# systemctl status sysstat.service 
  ● sysstat.service - LSB: Start/stop sysstat's sadc
     Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
     Active: active (exited) since Mon 2016-09-26 16:22:02 AEST; 48min ago
       Docs: man:systemd-sysv-generator(8)
    Process: 3607 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
    Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)
      Tasks: 0
     Memory: 0B
        CPU: 0

  Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
  Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
  root at notifications-m:~# systemctl stop sysstat.service 
  root at notifications-m:~# systemctl status sysstat.service 
  ● sysstat.service - LSB: Start/stop sysstat's sadc
     Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
     Active: inactive (dead) since Mon 2016-09-26 17:10:16 AEST; 1s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
    Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

  Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
  Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
  Sep 26 17:10:16 notifications-m systemd[1]: Stopping LSB: Start/stop sysstat's sadc...
  Sep 26 17:10:16 notifications-m systemd[1]: Stopped LSB: Start/stop sysstat's sadc.
  (reverse-i-search)`restar': systemctl ^Cstart --all ceilometer-agent-notification*
  root at notifications-m:~# systemctl restart sysstat*
  root at notifications-m:~# systemctl status sysstat.service 
  ● sysstat.service - LSB: Start/stop sysstat's sadc
     Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
     Active: inactive (dead) since Mon 2016-09-26 17:10:16 AEST; 16s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
    Process: 3809 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

  Sep 26 16:22:02 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
  Sep 26 16:22:02 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.
  Sep 26 17:10:16 notifications-m systemd[1]: Stopping LSB: Start/stop sysstat's sadc...
  Sep 26 17:10:16 notifications-m systemd[1]: Stopped LSB: Start/stop sysstat's sadc.
  root at notifications-m:~# systemctl restart --all sysstat*
  root at notifications-m:~# systemctl status sysstat.service 
  ● sysstat.service - LSB: Start/stop sysstat's sadc
     Loaded: loaded (/etc/init.d/sysstat; bad; vendor preset: enabled)
     Active: active (exited) since Mon 2016-09-26 17:10:39 AEST; 1s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 8228 ExecStop=/etc/init.d/sysstat stop (code=exited, status=0/SUCCESS)
    Process: 8250 ExecStart=/etc/init.d/sysstat start (code=exited, status=0/SUCCESS)

  Sep 26 17:10:39 notifications-m systemd[1]: Starting LSB: Start/stop sysstat's sadc...
  Sep 26 17:10:39 notifications-m systemd[1]: Started LSB: Start/stop sysstat's sadc.

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