Re: [PATCH 1/2] nfs-service: Added the starting of gssproxy

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On Mon, Sep 22, 2014 at 03:43:09PM -0400, Steve Dickson wrote:
> 
> 
> On 09/22/2014 03:26 PM, Simo Sorce wrote:
> > On Mon, 22 Sep 2014 15:20:07 -0400
> > Steve Dickson <steved@xxxxxxxxxx> wrote:
> > 
> >> Added the gssproxy.service to both the Wants= and
> >> Atfers= lines, before the rpc-svcgssd.service. There
> >> are  ConditionPathExists= lines in the rpc-svcgssd.service
> >> unit which will stop the rpc.svcgssd daemon from
> >> starting when the gssproxy daemon is already running.
> >>
> >> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
> >> ---
> >>  systemd/nfs-server.service | 5 +++--
> >>  1 file changed, 3 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/systemd/nfs-server.service b/systemd/nfs-server.service
> >> index 2fa7387..c740fa2 100644
> >> --- a/systemd/nfs-server.service
> >> +++ b/systemd/nfs-server.service
> >> @@ -2,12 +2,13 @@
> >>  Description=NFS server and services
> >>  Requires= network.target proc-fs-nfsd.mount rpcbind.target
> >>  Requires= nfs-mountd.service
> >> -Wants=rpc-statd.service nfs-idmapd.service rpc-gssd.service
> >> rpc-svcgssd.service +Wants=rpc-statd.service nfs-idmapd.service 
> >> +Wants=rpc-gssd.service  
> >>  Wants=rpc-statd-notify.service
> >>  
> >>  After= network.target proc-fs-nfsd.mount rpcbind.target
> >> nfs-mountd.service After= nfs-idmapd.service rpc-statd.service
> >> -After= rpc-gssd.service rpc-svcgssd.service
> >> +After= rpc-gssd.service gssproxy.service rpc-svcgssd.service
> >>  Before= rpc-statd-notify.service
> >>  
> >>  Wants=nfs-config.service
> > 
> > I think you really need to insure that the modules are loaded before
> > any of the server services are started, perhaps adding a unit file that
> > exec's modprobe and has "Before: gssproxy.service rpc-svcgssd.service"
> > in it ?
> I really don't think its needed... From my testing it appears 
> gssproxy is always being started and rpc.svcgssd is not... 

Huh.  Well rpc-svcgssd.service has var-lib-nfs-rpc_pipefs.mount as both
"Requires=" and "After=", so rpc-svcgssd.service will never run
without first running var-lib-nfs-rpc_pipefs.mount, which will load
sunrpc.  But I don't see where auth_rpcgss is getting loaded.  And I
don't see what ensures anything happening before gssproxy runs.

We want to make sure your testing's not just getting lucky on the
startup order.

> Plus, from my understanding...  loading module from a service 
> file is a big no no! People were having problems with
> way back when... 

Any pointers?  Google's not finding me anything.

--b.
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