| #!/usr/bin/env bash |
| |
| # Copyright 2015 The Kubernetes Authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| function start() |
| { |
| |
| unset gid |
| # accept "-G gid" option |
| while getopts "G:" opt; do |
| case ${opt} in |
| G) gid=${OPTARG};; |
| esac |
| done |
| shift $(($OPTIND - 1)) |
| |
| # prepare /etc/exports |
| for i in "$@"; do |
| # fsid=0: needed for NFSv4 |
| echo "$i *(rw,fsid=0,insecure,no_root_squash)" >> /etc/exports |
| if [ -v gid ] ; then |
| chmod 070 $i |
| chgrp $gid $i |
| fi |
| # move index.html to here |
| /bin/cp /tmp/index.html $i/ |
| chmod 644 $i/index.html |
| echo "Serving $i" |
| done |
| |
| # start rpcbind if it is not started yet |
| /usr/sbin/rpcinfo 127.0.0.1 > /dev/null; s=$? |
| if [ $s -ne 0 ]; then |
| echo "Starting rpcbind" |
| /usr/sbin/rpcbind -w |
| fi |
| |
| mount -t nfsd nfsd /proc/fs/nfsd |
| |
| # -V 3: enable NFSv3 |
| /usr/sbin/rpc.mountd -N 2 -V 3 |
| |
| /usr/sbin/exportfs -r |
| # -G 10 to reduce grace time to 10 seconds (the lowest allowed) |
| /usr/sbin/rpc.nfsd -G 10 -N 2 -V 3 |
| /usr/sbin/rpc.statd --no-notify |
| echo "NFS started" |
| } |
| |
| function stop() |
| { |
| echo "Stopping NFS" |
| |
| /usr/sbin/rpc.nfsd 0 |
| /usr/sbin/exportfs -au |
| /usr/sbin/exportfs -f |
| |
| kill $( pidof rpc.mountd ) |
| umount /proc/fs/nfsd |
| echo > /etc/exports |
| exit 0 |
| } |
| |
| |
| trap stop TERM |
| |
| start "$@" |
| |
| # Ugly hack to do nothing and wait for SIGTERM |
| while true; do |
| sleep 5 |
| done |