Re: add shepherd requirement to an existing service?

[Oleg Pykhalov <go.wigust@gmail.com>]

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Hi,

Remco van 't Veer <remco@remworks.net> writes:

> I'd like to add a shepherd requirement to an existing service, as
> provided by guix, to prevent it from starting before some other service
> starts.
>
> For exampple: I have NAS which is very slow to start after a power
> failure so I created a simple service to keep trying to mount an NFS
> share until it succeeds.  This share contains files shared through
> syncthing, so I want syncthing to start after the NFS service is
> started.

How do you mount the NFS share? From my understanding, system services
typically wait for all mounts listed in 'file-systems' to be mounted
unless 'mount?' is specifically set to false.

> Is there any way to do this apart from defining my own
> syncthing-shepherd-service which includes the extra shepherd
> requirement?

To my knowledge, unless the service definition explicitly allows for it,
there may not be an alternative approach aside from creating a custom
syncthing-shepherd service that incorporates the additional shepherd
requirement.

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