On Thu, 14.01.16 20:37, Tom H (tomh0...@gmail.com) wrote:
> I understand that you'd prefer that we use drop-ins to set
> "Environment=Foo=bar" or override "ExecStart=..." and it probably
> works for most daemons - and should also be non-distro-specific.
>
> But in the case of nfs, it would mean more messing around for admins
> because there are many variables to set.
>
> This is on Ubuntu 16.04 but RHEL and Fedora are similar because the
> units are from upstream and distros simply have to modify
> "/usr/lib/systemd/scripts/nfs-utils_env.sh":
>
> root@localhost:/lib/systemd/system# grep Start= nfs-* rpc-*
> nfs-blkmap.service:ExecStart=/usr/sbin/blkmapd $BLKMAPDARGS
> nfs-config.service:ExecStart=/usr/lib/systemd/scripts/nfs-utils_env.sh
> nfs-idmapd.service:ExecStart=/usr/sbin/rpc.idmapd $RPCIDMAPDARGS
> nfs-kernel-server.service:ExecStart=/usr/sbin/rpc.nfsd $RPCNFSDARGS
> nfs-mountd.service:ExecStart=/usr/sbin/rpc.mountd $RPCMOUNTDARGS
> nfs-server.service:ExecStart=/usr/sbin/rpc.nfsd $RPCNFSDARGS
> nfs-utils.service:ExecStart=/bin/true
> rpc-gssd.service:ExecStart=/usr/sbin/rpc.gssd $GSSDARGS
> rpc-statd-notify.service:ExecStart=-/sbin/sm-notify $SMNOTIFYARGS
> rpc-statd.service:ExecStart=/sbin/rpc.statd --no-notify $STATDARGS
> rpc-svcgssd.service:ExecStart=/usr/sbin/rpc.svcgssd $SVCGSSDARGS
>
> root@localhost:/lib/systemd/system# grep Env nfs-* rpc-*
> nfs-idmapd.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> nfs-kernel-server.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> nfs-mountd.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> nfs-server.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> rpc-gssd.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> rpc-statd-notify.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> rpc-statd.service:EnvironmentFile=-/run/sysconfig/nfs-utils
> rpc-svcgssd.service:EnvironmentFile=-/run/sysconfig/nfs-utils
>
> root@localhost:/lib/systemd/system#
>
> nfs-config.service runs "/usr/lib/systemd/scripts/nfs-utils_env.sh",
> which sources "/etc/default/nfs-{common,kernel-server}"
> ("/etc/sysconfig/nfs" on RHEL and Fedora) and generates
> "/run/sysconfig/nfs-utils". Setting the variables unit-by-unit would
> be a PitA.
Well, apparently the NFS daemons want to receive all their config via
the command line. I think that's a quite a poor choice, and they
better had proper configuration files.
To say this clearly: "EnvironmentFile=" is an awful replacement for
proper configuration files. systemd really isn't in the business of
faking configuration files for daemons that have none. If you do it
anyway, then this will be necessarily crappyish...
Lennart
--
Lennart Poettering, Red Hat
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