I have a oneshot service (run from a timer) that updates the TLS
certificates in my mod_nss database.  Because NSS doesn't support
concurrent access to the database, I need to temporarily shut down
Apache while the certificate update service is running.

Currently, I'm using the following entries in my .service file to
accomplish this:

  [Unit]
  Description=Update TLS certificates in mod_nss database
  # Restart Apache, even if this service fails for some reason
  OnFailure=httpd.service

  [Service]
  Type=oneshot
  # Shut down Apache to avoid concurrent access to the mod_nss database
  ExecStartPre=/usr/bin/systemctl stop httpd.service
  ExecStart=/usr/local/bin/update-nss-certs
  ExecStartPost=/usr/bin/systemctl start httpd.service

Is this the best way to do this?  (I can't escape the feeling that there
ought to be a more idiomatic way of accomplishing this.)

--
========================================================================
Ian Pilcher                                         arequip...@gmail.com
-------- "I grew up before Mark Zuckerberg invented friendship" --------
========================================================================

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