[Bug 1808432] [NEW] systemctl template units not enabled per docs

[Edward Gow]

Public bug reported:

Report is for 
Description:	Ubuntu 16.04.4 LTS
Release:	16.04

Package data is 
Package: systemd
Architecture: amd64
Version: 229-4ubuntu21.10
Multi-Arch: foreign

No log file is applicable

The problem is that systemctl enable does not perform according to
documentation in enabling template unit files.

If a template unit file exists

  /full_path_to/tmpl at .service

and you try to enable it with systemctl per the docs

  sudo systemctl enable /full_path_to/tmpl at instance.service
or 
  systemctl --user enable /full_path_to/tmpl at instance.service

you get the error

  Failed to execute operation: No such file or directory

What should happen is that systemctl fails to find
/full_path_to/tmpl at instance.service so it then tries the template name
/full_path_to/tmpl at .service, finds it, and creates a symlink to that
template file.

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

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https://bugs.launchpad.net/bugs/1808432

Title:
  systemctl template units not enabled per docs

Status in systemd package in Ubuntu:
  New

Bug description:
  Report is for 
  Description:	Ubuntu 16.04.4 LTS
  Release:	16.04

  Package data is 
  Package: systemd
  Architecture: amd64
  Version: 229-4ubuntu21.10
  Multi-Arch: foreign

  No log file is applicable

  The problem is that systemctl enable does not perform according to
  documentation in enabling template unit files.

  If a template unit file exists

    /full_path_to/tmpl at .service

  and you try to enable it with systemctl per the docs

    sudo systemctl enable /full_path_to/tmpl at instance.service
  or 
    systemctl --user enable /full_path_to/tmpl at instance.service

  you get the error

    Failed to execute operation: No such file or directory

  What should happen is that systemctl fails to find
  /full_path_to/tmpl at instance.service so it then tries the template name
  /full_path_to/tmpl at .service, finds it, and creates a symlink to that
  template file.

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