Varnish after target property

[Dridi Boukelmoune]

On Mon, Sep 11, 2017 at 8:34 PM, Stefan Kmec <kmec.stf at gmail.com> wrote:
> Hello all,
>
>
> I am writing you regarding the issue I experiencing after one of the latest
> Red hat release.
>
> Regarding the configuration file "/usr/lib/systemd/system/varnish.service"
> varnish starts after network begin with start process :
> "After=network.target"
>
> This makes big troubles to the customer websites after reboot of systems.
> Our network is taking bit longer to start(30sec) but varnish doesn't depend
> on it as it needs only see network starting. So after network begin with
> start(30sec) varnish also starts(5sec).
> That makes varnish fail as it needs network up before starting itself.
>
> For that should be used :
> "After=network-online.target"
>
> After using this correct property everything is okay after boot process -
> varnish waits till network is up and then starts itself.
>
> Unfortunately varnish update leads to rewrite this property back to old one,
> what again made bit issue to us.

That probably means that you edited the service file in /usr/lib which
is not how you should use systemd.

https://www.freedesktop.org/software/systemd/man/systemd.unit.html#Unit%20File%20Load%20Path

> Is it possible to amend this property to "After=network-online.target" from
> old one ?

Yes, you can submit a pull request in the pkg-varnish-cache project on
github and we'll review that.

> I think it could be the proper setup for the service for future function and
> would really help me and our customer.
>
> As far as I know targets changed just few RHEL7 releases ago where online
> property was included in service config files. Most of network dependent
> services has changed this property as the release came out. Would be great
> having varnish changed that too.
>
> Thank you very much in advance.

Thanks a bunch for letting us know!

Dridi