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#!/bin/bash

#   COPYRIGHT NOTICE STARTS HERE
#
#   Copyright 2018 © Samsung Electronics Co., Ltd.
#
#   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.
#
#   COPYRIGHT NOTICE ENDS HERE


usage () {
  echo "Usage:"
  echo "   ./$(basename $0) node1_ip node2_ip ... nodeN_ip"
  exit 1
}

if [ "$#" -lt 1 ]; then
  echo "Missing NFS slave nodes"
  usage
fi

#Install NFS kernel
#sudo apt-get update
#sudo apt-get install -y nfs-kernel-server

#Create /dockerdata-nfs and set permissions
sudo mkdir -p /dockerdata-nfs
sudo chmod 777 -R /dockerdata-nfs
sudo chown nobody:nogroup /dockerdata-nfs/

#Update the /etc/exports
NFS_EXP=""
for i in $@; do
  NFS_EXP+="$i(rw,sync,no_root_squash,no_subtree_check) "
done
echo "/dockerdata-nfs "$NFS_EXP | sudo tee -a /etc/exports

#Restart the NFS service
sudo exportfs -a
sudo systemctl restart nfs-kernel-server