Bug#753046: systemd: fails to run quotarpc.service if rpcbind is not installed

[Michael Biebl]

Hi there,

Am 29.06.2014 09:50, schrieb Michael Meskes:
>> Looking more closely, it seems the quota package only suggests the
>> rpcbind package, yet the quotarpc.service contains:
>>
>> Requires=rpcbind.service
>> After=rpcbind.service
>>
>> Requires means, the service will fail to start if the dependency is not
>> available.
> 
> All correct, I actually didn't think about that case.
> 
>> You either need to add a hard dependency on the rpcbind package or you
>> should demote the Requires to Wants.
> 
> This is where it gets difficult. quota has lots of users that don't need or
> want quotarpc and thus don't need rpcbind. So a hard dependency is no option.
> But then quotarpc does require rpcbind to run, so only a Wants is not
> suffcient. I supposes there is no "Requires, but skip if not available" option
> for systemd? Then the only option I see is to create my own check in the script
> itself.

So quotarpc.service is only supposed to run if rpcbind is installed?

I think what you want here then is Wants/After + a Condition [1].
i.e.

[Unit]
Wants=rpcbind.service
After=rpcbind.service
ConditionFileIsExecutable=/sbin/rpcbind
....




[1] man systemd.unit

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universe are pointed away from Earth?

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