[Bug 1916715] Re: fails on install due to systemd-service/sysv-service mismatch and lack of mkdir

Christian Ehrhardt  1916715 at bugs.launchpad.net
Thu Feb 25 15:20:21 UTC 2021


** Changed in: python-rtslib-fb (Ubuntu Groovy)
     Assignee: (unassigned) => Utkarsh Gupta (utkarsh)

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https://bugs.launchpad.net/bugs/1916715

Title:
  fails on install due to systemd-service/sysv-service mismatch and lack
  of mkdir

Status in python-rtslib-fb package in Ubuntu:
  Fix Released
Status in python-rtslib-fb source package in Groovy:
  New

Bug description:
  On install:

  Setting up python3-rtslib-fb (2.1.74-0ubuntu1) ...
  Job for rtslib-fb-targetctl.service failed because the control process exited with error code.
  See "systemctl status rtslib-fb-targetctl.service" and "journalctl -xe" for details.
  invoke-rc.d: initscript rtslib-fb-targetctl, action "start" failed.
  ● rtslib-fb-targetctl.service - LSB: Start LIO targets
       Loaded: loaded (]8;;file://autopkgtest/etc/init.d/rtslib-fb-targetctl/etc/init.d/rtslib-fb-targetctl]8;;; generated)
       Active: failed (Result: exit-code) since Tue 2021-02-23 18:03:16 UTC; 10ms ago
         Docs: ]8;;man:systemd-sysv-generator(8)man:systemd-sysv-generator(8)]8;;
      Process: 3296 ExecStart=/etc/init.d/rtslib-fb-targetctl start (code=exited, status=1/FAILURE)

  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]:     errors = RTSRoot().restore_from_file(restore_file=from_file)
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]:   File "/usr/lib/python3/dist-packages/rtslib_fb/root.py", line 88, in __init__
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]:     self._set_dbroot()
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]:   File "/usr/lib/python3/dist-packages/rtslib_fb/root.py", line 182, in _set_dbroot
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]:     raise RTSLibError("Cannot set dbroot to {}. Please check if this directory exists."
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3308]: rtslib_fb.utils.RTSLibError: Cannot set dbroot to /etc/rtslib-fb-target. Please check if this directory exists.
  Feb 23 18:03:16 autopkgtest rtslib-fb-targetctl[3296]:    ...fail!
  Feb 23 18:03:16 autopkgtest systemd[1]: rtslib-fb-targetctl.service: Control process exited, code=exited, status=1/FAILURE
  Feb 23 18:03:16 autopkgtest systemd[1]: rtslib-fb-targetctl.service: Failed with result 'exit-code'.
  Feb 23 18:03:16 autopkgtest systemd[1]: Failed to start LSB: Start LIO targets.
  dpkg: error processing package python3-rtslib-fb (--configure):
   installed python3-rtslib-fb package post-installation script subprocess returned error exit status 1





  ^^ this affects Groovy and Focal ^^

  The reason is this:
  $ dpkg -L python3-rtslib-fb
  /etc/init.d/rtslib-fb-targetctl
  /lib/systemd/system/target.service

  
  This used to be (Focal and Debian)
  /etc/init.d/rtslib-fb-targetctl
  /lib/systemd/system/rtslib-fb-targetctl.service

  
  That has two issues
  1) since the name of service and sysv-init mismatches the sysV generator creates an extra service from the sysV script
  2) the service does no more contain the mkdir that is required (and was in Focal/Debian)
    ExecStart=mkdir -p /etc/rtslib-fb-target

  We can merge back what we had, and thereby fix Hirsute.
  I'm not sure on a groovy SRU - if someone has manually fixed the old service (manual mkdir, enable it, ...) or any such then the fix will remove target.service and things will behave differently.
  But fixing in Hirsute be better in any case and also help 20.04 -> 22.04 upgrades to have no hiccup.

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