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|
#!/bin/bash
PROGRAM=/bin/false
RUNLEVEL=3
NEEDS="+network +portmap"
. /etc/init.d/smgl_init
. /etc/sysconfig/nfs
if [[ ! -e /etc/exports ]]; then
$FAILURE
echo "Please create an /etc/exports file. Exiting without starting nfs..."
$NORMAL
exit 1
fi
if [[ -e /usr/sbin/rpc.idmapd ]]; then
HASNFS4=1
fi
# pseudo fs stuff
mount_nfsd()
{
if grep -q 'nfsd' /proc/filesystems; then
if ! grep -q 'nfsd' /etc/mtab; then
required_executable /bin/mount
echo "mounting nfsd"
mount -t nfsd nfsd /proc/fs/nfsd
evaluate_retval
fi
fi
}
umount_nfsd()
{
if grep -q 'nfsd' /etc/mtab; then
required_executable /bin/umount
echo "unmounting nfsd"
umount /proc/fs/nfsd
evaluate_retval
fi
}
mount_pipefs()
{
if grep -q 'rpc_pipefs' /proc/filesystems; then
if ! grep -q 'rpc_pipefs' /etc/mtab; then
required_executable /bin/mount
echo "mounting pipefs"
mount -t rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs
evaluate_retval
fi
fi
}
umount_pipefs()
{
if grep -q 'rpc_pipefs' /etc/mtab; then
required_executable /bin/umount
echo "unmounting pipefs"
umount /var/lib/nfs/rpc_pipefs
evaluate_retval
fi
}
# for making sure these exist
mknfsdirs() {
local d
for d in /var/lib/nfs/{rpc_pipefs,v4recovery,v4root}; do
[[ ! -d "${d}" ]] && mkdir -p "${d}"
done
}
# may be outsourced
get_kernel_pids()
{
local rval=1
for pid in $(pidof $1)
do
if [[ -z $(</proc/$pid/cmdline) ]]; then
builtin echo $pid
rval=0
fi
done
return $rval
}
start()
{
local bins
echo "Starting NFS services (client & server)"
bins="statd nfsd mountd"
mount_nfsd
if [[ ! -z $HASNFS4 ]]; then
mknfsdirs
mount_pipefs
bins="${bins} idmapd"
fi
for b in $bins; do
required_executable /usr/sbin/rpc.$b
done
# nfs-howto says: these daemons in this order
# userspace does not bother about lockd since linux 2.2.18
for d in ${bins} rquotad; do
if [[ -x /usr/sbin/rpc.$d ]]; then
local opts=
if [[ $d == 'mountd' ]]; then
opts="$MOUNTDOPTS"
if [[ ! -z "$MOUNTD_PORT" ]]; then
opts="$opts -p $MOUNTD_PORT"
fi
elif [[ $d == 'nfsd' ]]; then
opts="$NUMSERVERS"
elif [[ $d == 'statd' && ! -z $STATD_PORT ]]; then
opts="-p $STATD_PORT"
fi
echo -n $d
loadproc /usr/sbin/rpc.$d $opts
fi
done
required_executable /usr/sbin/exportfs
echo -n "exportfs"
/usr/sbin/exportfs -r
evaluate_retval
}
stop()
{
local bins
echo "Stopping NFS services (client & server)"
echo -n "unexporting filesystems"
/usr/sbin/exportfs -au
evaluate_retval
bins="statd nfsd mountd"
umount_nfsd
if [[ ! -z $HASNFS4 ]]; then
umount_pipefs
bins="${bins} idmapd"
fi
for b in $bins; do
required_executable /usr/sbin/rpc.$b
done
# all in one loop to simplify code, reversed order
# atm. only nfsd is really in-kernel (and lockd self-managed)
for d in ${bins} rquotad; do
if [[ -x /usr/sbin/rpc.$d ]]; then
local kpid=$(get_kernel_pids $d)
if [[ -z $kpid ]]; then
echo -n "killing $d"
killproc /usr/sbin/rpc.$d
else
if [[ $d == 'nfsd' ]]; then
echo "Removing kernel nfsd"
/usr/sbin/rpc.nfsd 0
else
echo "not killing kernel $d (PID=${kpid})"
fi
fi
fi
done
}
status()
{
for d in mountd nfsd statd rquotad
do
local kpid=$(get_kernel_pids $d)
[[ -n $kpid ]] && echo "kernel $d there with PIDs $kpid" ||
statusproc /usr/sbin/rpc.$d
done
echo -n "kernel lockd "
kpid=$(get_kernel_pids lockd)
[[ -n $kpid ]] && echo "is active (PID $kpid)" || echo "is not active (but hopefully ready)"
}
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