#!/bin/bash
#########################################################################
#         Script for global backup main folders of ARM devices          #
#                         Created by PM-DoIT                            #
#                               ver 0.1                                 #
#########################################################################

#----------------------------- VARIABLES -------------------------------#
CAT="HTSNMC02|HTSNMC03|HTSCONPI|propiv1|thcpiv2"
DAY="30"
DAT=$(date +%y%m%d)
SRV=/etc/hosts
TMP=/tmp/hosts
BCK=/opt/backup

#---------------------------- CREDENTIALS ------------------------------#
source /root/.credentials

#------------------------------ CHECK ----------------------------------#
check(){
test -f $TMP && rm -rf $TMP
cat $SRV | awk '{print $2}' | egrep "$CAT" | grep "$READSITE" | sort | uniq | while read output
do
        ping -c 1 "$output" > /dev/null
                if [ $? -eq 0 ]; then
                        echo "$output" >> $TMP
                else
                        echo -e "- $output is \e[1;31mDOWN\e[0m"
                fi
done
}

#------------------------------ BACKUP ---------------------------------#
backup(){
test -d $BCK || mkdir $BCK
echo -e "Starting backup [\e[1;33mmain\e[0m] folders:"
for i in `cat $TMP`
do
echo -e "- \e[1;32m$i\e[0m start backup [\e[1;33metc\e[0m]"
sshpass -p $password ssh -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no $localuser@${i} 2> /dev/null "sudo -S tar cf /opt/etc.tar /etc > /dev/null 2>&1"

echo -e "- \e[1;32m$i\e[0m download backup [\e[1;33metc\e[0m]"
sshpass -p $password scp -r -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no -o LogLevel=quiet $localuser@${i}:/opt/etc.tar /opt/backup/${i}_etc_$DAT.tar > /dev/null 2>&1
echo -e "- \e[1;32m$i\e[0m start backup [\e[1;34mhome\e[0m]"
sshpass -p $password ssh -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no $localuser@${i} 2> /dev/null  "sudo -S cp /var/spool/cron/crontabs/root /home/crontab"
sshpass -p $password ssh -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no $localuser@${i} 2> /dev/null  "sudo -S tar cf /opt/home.tar /home > /dev/null 2>&1"
echo -e "- \e[1;32m$i\e[0m download backup [\e[1;34mhome\e[0m]"
sshpass -p $password scp -r -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no -o LogLevel=quiet $localuser@${i}:/opt/home.tar /opt/backup/${i}_home_$DAT.tar > /dev/null 2>&1
echo -e "- \e[1;32m$i\e[0m start backup [\e[1;35mwww\e[0m]"
sshpass -p $password ssh -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no $localuser@${i} 2> /dev/null  "test -d /var/www && sudo -S tar cf /opt/www.tar /var/www > /dev/null 2>&1"
echo -e "- \e[1;32m$i\e[0m download backup [\e[1;35mwww\e[0m]"
sshpass -p $password scp -r -o "UserKnownHostsFile=/dev/null" -o StrictHostKeyChecking=no -o LogLevel=quiet $localuser@${i}:/opt/www.tar /opt/backup/${i}_www_$DAT.tar > /dev/null 2>&1
done
}

#------------------------------ BACKUP ---------------------------------#
status(){
SZ=$(du -h -d1 /opt/ | grep backup | awk '{print $1}')
echo -e "- Removing [\e[1;33m$DAY\e[0m] old days backups"
find $BCK/* -mtime +$DAY -exec rm {} \;
echo -e "- Backups saved to [\e[1;36m/opt/backup\e[0m] size [\e[1;33m$SZ\e[0m]"
}

#------------------------------- CORE ----------------------------------#
check
backup
status