#!/bin/bash
# info: add system quota
# opions: NONE
#
# The script enables filesystem quota on /home patition


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

# Checking quota package
if [ ! -e "/usr/sbin/setquota" ]; then
    if [ -e "/etc/redhat-release" ]; then
        yum -y install quota >/dev/null 2>&1
        check_result $? "quota package installation failed" $E_UPDATE
    else
        export DEBIAN_FRONTEND=noninteractive
        apt-get -y install quota >/dev/null 2>&1
        check_result $? "quota package installation failed" $E_UPDATE
    fi
fi


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Adding usrquota option on /home partition
mnt=$(df -P /home |awk '{print $6}' |tail -n1)
lnr=$(cat -n /etc/fstab |awk '{print $1,$3}' |grep "$mnt$" |cut -f 1 -d ' ')
options=$(sed -n ${lnr}p /etc/fstab |awk '{print $4}')
if [ -z "$(echo $options |grep usrquota)" ]; then
    sed -i "$lnr s/$options/$options,usrquota/" /etc/fstab
    mount -o remount $mnt
fi

# Adding aquota.user file
if [ ! -e "$mnt/aquota.user" ]; then
    quotacheck -cu $mnt >/dev/null 2>&1
fi

# Building fs quota index
quotacheck -um $mnt

# Adding weekly cron job
echo "quotacheck -um $mnt" > /etc/cron.daily/quotacheck
chmod a+x /etc/cron.daily/quotacheck

# Enabling fs quota
if [ ! -z "$(quotaon -pa|grep " $mnt "|grep user|grep 'off')" ]; then
    quotaon $mnt
    check_result $? "quota can't be enabled in $mtn" $E_DISK
fi

# Updating DISK_QUOTA value
if [ -z "$(grep DISK_QUOTA $VESTA/conf/vesta.conf)" ]; then
    echo "DISK_QUOTA='yes'" >> $VESTA/conf/vesta.conf
else
    sed -i "s/DISK_QUOTA=.*/DISK_QUOTA='yes'/g" $VESTA/conf/vesta.conf
fi

# Rebuilding user quota
for user in $(ls $VESTA/data/users); do
    $BIN/v-update-user-quota $user
done


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Logging
log_event "$OK" "$EVENT"

exit