[systemd-bugs] [Bug 89587] New: Executing a service with RuntimeDirectory= produces an error: Failed at step RUNTIME_DIRECTORY spawning /bin/bash: File exists

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89587

            Bug ID: 89587
           Summary: Executing a service with RuntimeDirectory= produces an
                    error: Failed at step RUNTIME_DIRECTORY spawning
                    /bin/bash: File exists
           Product: systemd
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: gsbox39stz at thurston.ru
        QA Contact: systemd-bugs at lists.freedesktop.org

This is the unit I came up with called co2mon-log.service:

[Unit]
Description=Log Data From CO2Mon
PartOf=co2mon.service

[Service]
User=co2mon
Group=co2mon
RuntimeDirectory=co2mon
RuntimeDirectoryMode=0755
WorkingDirectory=/run/co2mon
StandardOutput=null
ExecStartPre=/usr/bin/rsync -a /var/lib/co2mon/ /run/co2mon
ExecStart=/bin/bash ./update_data.sh
ExecStopPost=-/bin/cp -p /run/co2mon/graph.rrd /var/lib/co2mon/

[Install]
WantedBy=multi-user.target

Starting it manually produces an error:

● co2mon-log.service - Log Data From CO2Mon
   Loaded: loaded (/usr/lib64/systemd/system/co2mon-log.service; disabled;
vendor preset: enabled)
   Active: failed (Result: exit-code) since 月 2015-03-16 11:36:02 MSK; 1s ago
  Process: 15105 ExecStopPost=/bin/cp -p /run/co2mon/graph.rrd /var/lib/co2mon/
(code=exited, status=233/RUNTIME_DIRECTORY)
  Process: 15104 ExecStart=/bin/bash ./update_data.sh (code=exited,
status=233/RUNTIME_DIRECTORY)
  Process: 15098 ExecStartPre=/usr/bin/rsync -a /var/lib/co2mon/ /run/co2mon
(code=exited, status=0/SUCCESS)
 Main PID: 15104 (code=exited, status=233/RUNTIME_DIRECTORY)

 3月 16 11:36:02 melforce systemd[1]: Starting Log Data From CO2Mon...
 3月 16 11:36:02 melforce systemd[1]: Started Log Data From CO2Mon.
 3月 16 11:36:02 melforce systemd[15104]: Failed at step RUNTIME_DIRECTORY
spawning /bin/bash: File exists
 3月 16 11:36:02 melforce systemd[1]: co2mon-log.service: main process exited,
code=exited, status=233/RUNTIME_DIRECTORY
 3月 16 11:36:02 melforce systemd[15105]: Failed at step RUNTIME_DIRECTORY
spawning /bin/cp: File exists
 3月 16 11:36:02 melforce systemd[1]: Unit co2mon-log.service entered failed
state.
 3月 16 11:36:02 melforce systemd[1]: co2mon-log.service failed.

If I commment out options RuntimeDirectory= and RuntimeDirectoryMode= and
create directory /run/co2mon by hand giving it co2mon:co2mon ownership and mode
755, my unit starts successfully.

systemd version is 219.

I've read the manual systemd.exec and I think there are no problems with the
unit itself.

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