diff options
Diffstat (limited to 'user/nfs-utils/nfs.initd')
-rw-r--r-- | user/nfs-utils/nfs.initd | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/user/nfs-utils/nfs.initd b/user/nfs-utils/nfs.initd new file mode 100644 index 000000000..4b572fc2e --- /dev/null +++ b/user/nfs-utils/nfs.initd @@ -0,0 +1,162 @@ +#!/sbin/openrc-run +# Copyright 1999-2014 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +extra_started_commands="reload" + +# This variable is used for controlling whether or not to run exportfs -ua; +# see stop() for more information +restarting=no + +# The binary locations +exportfs=/usr/sbin/exportfs + mountd=/usr/sbin/rpc.mountd + nfsd=/usr/sbin/rpc.nfsd +smnotify=/usr/sbin/sm-notify + +depend() { + local myneed="" + # XXX: no way to detect NFSv4 is desired and so need rpc.idmapd + myneed="${myneed} $( + awk '!/^[[:space:]]*#/ { + # clear the path to avoid spurious matches + $1 = ""; + if ($0 ~ /[(][^)]*sec=(krb|spkm)[^)]*[)]/) { + print "rpc.svcgssd" + exit 0 + } + }' /etc/exports /etc/exports.d/*.exports 2>/dev/null + )" + config /etc/exports /etc/exports.d/*.exports + need portmap rpc.statd ${myneed} ${NFS_NEEDED_SERVICES} + use ypbind net dns rpc.rquotad rpc.idmapd rpc.svcgssd + after quota +} + +mkdir_nfsdirs() { + local d + for d in v4recovery v4root ; do + d="/var/lib/nfs/${d}" + [ ! -d "${d}" ] && mkdir -p "${d}" + done +} + +waitfor_exportfs() { + local pid=$1 + ( sleep ${EXPORTFS_TIMEOUT:-30}; kill -9 ${pid} 2>/dev/null ) & + wait $1 +} + +mount_nfsd() { + if [ -e /proc/modules ] ; then + # Make sure nfs support is loaded in the kernel #64709 + if ! grep -qs nfsd /proc/filesystems ; then + modprobe -q nfsd + fi + # Restart idmapd if needed #220747 + if grep -qs nfsd /proc/modules ; then + killall -q -HUP rpc.idmapd + fi + fi + + # This is the new "kernel 2.6 way" to handle the exports file + if grep -qs nfsd /proc/filesystems ; then + if ! mountinfo -q /proc/fs/nfsd ; then + ebegin "Mounting nfsd filesystem in /proc" + mount -t nfsd -o nodev,noexec,nosuid nfsd /proc/fs/nfsd + eend $? + fi + + local o + for o in ${OPTS_NFSD} ; do + echo "${o#*=}" > "/proc/fs/nfsd/${o%%=*}" + done + fi +} + +start_it() { + ebegin "Starting NFS $1" + shift + "$@" + eend $? + ret=$((ret + $?)) +} +start() { + mount_nfsd + mkdir_nfsdirs + + # Exportfs likes to hang if networking isn't working. + # If that's the case, then try to kill it so the + # bootup process can continue. + if grep -qs '^[[:space:]]*/' /etc/exports /etc/exports.d/*.exports ; then + ebegin "Exporting NFS directories" + ${exportfs} -r & + waitfor_exportfs $! + eend $? + fi + + local ret=0 + start_it mountd ${mountd} ${OPTS_RPC_MOUNTD} + start_it daemon ${nfsd} ${OPTS_RPC_NFSD} + [ -x "${smnotify}" ] && start_it smnotify ${smnotify} ${OPTS_SMNOTIFY} + return ${ret} +} + +stop() { + local ret=0 + + ebegin "Stopping NFS mountd" + start-stop-daemon --stop --exec ${mountd} + eend $? + ret=$((ret + $?)) + + # nfsd sets its process name to [nfsd] so don't look for $nfsd + ebegin "Stopping NFS daemon" + start-stop-daemon --stop --name nfsd --user root --signal 2 + eend $? + ret=$((ret + $?)) + # in case things don't work out ... #228127 + rpc.nfsd 0 + + # When restarting the NFS server, running "exportfs -ua" probably + # isn't what the user wants. Running it causes all entries listed + # in xtab to be removed from the kernel export tables, and the + # xtab file is cleared. This effectively shuts down all NFS + # activity, leaving all clients holding stale NFS filehandles, + # *even* when the NFS server has restarted. + # + # That's what you would want if you were shutting down the NFS + # server for good, or for a long period of time, but not when the + # NFS server will be running again in short order. In this case, + # then "exportfs -r" will reread the xtab, and all the current + # clients will be able to resume NFS activity, *without* needing + # to umount/(re)mount the filesystem. + if [ "${restarting}" = no -o "${RC_CMD}" = "restart" ] ; then + ebegin "Unexporting NFS directories" + # Exportfs likes to hang if networking isn't working. + # If that's the case, then try to kill it so the + # shutdown process can continue. + ${exportfs} -ua & + waitfor_exportfs $! + eend $? + fi + + return ${ret} +} + +reload() { + # Exportfs likes to hang if networking isn't working. + # If that's the case, then try to kill it so the + # bootup process can continue. + ebegin "Reloading /etc/exports" + ${exportfs} -r 1>&2 & + waitfor_exportfs $! + eend $? +} + +restart() { + # See long comment in stop() regarding "restarting" and exportfs -ua + restarting=yes + svc_stop + svc_start +} |