#!/bin/bash

set -x

x=`expr $node_N - 1`
for i in $(seq 0 $x)
do
        num=`printf "%03d" $i`
        sshkey_var=node_"$num"_keyfile
        user_var=node_"$num"_whoami
        IP_var=node_"$num"_network
	start_cmd_var=node_"$num"_start_db_command
	stop_cmd_var=node_"$num"_stop_db_command

        sshkey=${!sshkey_var}
        user=${!user_var}
        IP=${!IP_var}
	start_cmd=${!start_cmd_var}
	stop_cmd=${!stop_cmd_var}

	ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo  $stop_cmd" 
	sleep 5
	ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP 'sudo sed -i "s/bind-address/#bind-address/g" /etc/mysql/my.cnf'
	ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP 'sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/usr.sbin.mysqld; sudo service apparmor restart'

	mysql_version=`ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP  'mysql --version'`
        echo $mysql_version | grep "5\."
        if [ $? == 0 ] ; then
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo sed -i \"s/binlog_row_image=full//\" /etc/my.cnf.d/*.cnf"
        fi

	echo $mysql_version | grep "5\.7"
	if [ $? == 0 ] ; then
#		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo sed -i \"s/## x001/validate-password=OFF/\" /etc/my.cnf.d/*.cnf"
                ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysqld --initialize; sudo chown -R mysql:mysql /var/lib/mysql"
                ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo $start_cmd" 

		mysql_root_password=`ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo cat /var/log/mysqld.log | grep \"temporary password\" | sed -n -e 's/^.*: //p'"`

		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysqladmin -uroot -p'$mysql_root_password' password '$mysql_root_password'"
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "echo \"UNINSTALL PLUGIN validate_password\" | sudo mysql -uroot -p'$mysql_root_password' "


		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo $stop_cmd"
#		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo sed -i \"s/## x001/validate-password=OFF/\" /etc/my.cnf.d/*.cnf"

		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo $start_cmd"

#		mysql_root_password=`ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo cat /var/log/mysqld.log | grep \"temporary password\" | sed -n -e 's/^.*: //p'"`
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "echo \"show plugins\" | sudo mysql -uroot -p'$mysql_root_password' " 
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysqladmin -uroot -p'$mysql_root_password' password ''" 
#		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo $start_cmd"
	else
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysql_install_db; sudo chown -R mysql:mysql /var/lib/mysql"
		ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo $start_cmd" 
	fi
	sleep 15
        scp -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no ${script_dir}/create_*_user.sql $user@$IP://home/$user/
        ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysql < /home/$user/create_repl_user.sql"
        ssh -i $sshkey -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@$IP "sudo mysql < /home/$user/create_skysql_user.sql"
done