[systemd-devel] Conditionally reload a service from another service

[Ian Pilcher]

On 7/31/23 17:18, Nils Kattenbeck wrote:
> Huh, I am actually surprised to discover that httpd does not watch these 
> files itself.

To be honest, I never even considered the posibility that it might do
that.  Unfortunately, testing reveals that it doesn't do so.

> Regardless, I think the systemd way to achieve this would be to use path 
> units, though I gotta admit that I have not played with them myself yet:
> https://www.freedesktop.org/software/systemd/man/systemd.path.html 
> <https://www.freedesktop.org/software/systemd/man/systemd.path.html>

I had honestly forgotten that those exist.  Looks very promising.

> Alternative you could likely write custom polkit policies which would 
> allow your script to reload https without elevated privileges. Not sure 
> if there is an easier way to do this.

That sounds painful!  A path unit definitely sounds the the way to go
any way, because I'd prefer not to give that level of permission to an
unprivileged service.

Thanks!

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