#!/bin/bash
ubuntu_version=$(lsb_release -rs)
ubuntu_codename=$(lsb_release -cs)
if [[ -e "/etc/needrestart/needrestart.conf" ]]; then
    sudo sed -E -i "s/(^|#)\\\$nrconf\{restart\}\s*=.*/\$nrconf\{restart\} = 'a';/g" /etc/needrestart/needrestart.conf
    sudo sed -E -i "s/(^|#)\\\$nrconf\{kernelhints\}\s*=.*/\$nrconf\{kernelhints\} = -1;/g" /etc/needrestart/needrestart.conf
fi
sudo apt update
sudo apt install -y git
org_pwd=$(pwd)
if [[ "$ubuntu_version" > '22' ]]; then #In ubuntu 22, install linux-libc-dev instead of linux-kernel-headers
	sudo apt install -y linux-libc-dev software-properties-common build-essential
else
	sudo apt install -y linux-kernel-headers software-properties-common build-essential
fi
if [[ ! -e "/usr/lib/x86_64-linux-gnu/librt.so" ]]; then
	sudo apt install -y libc6 libc6-dev
	sudo ln -s /usr/lib/x86_64-linux-gnu/librt.so.1 /usr/lib/x86_64-linux-gnu/librt.so
fi
org_pwd=$(pwd)
sudo apt install -y  libncurses5-dev libgmp-dev
echo "postfix postfix/mailname string $USER" | sudo debconf-set-selections
echo "postfix postfix/main_mailer_type string 'Local only'" | sudo debconf-set-selections
sudo apt-get install -y postfix
sudo service postfix start
#install nginx 1.23.1
wget http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/install_nginx.sh -O install_nginx.sh
bash install_nginx.sh
sudo nginx -t
nginx_status="$(echo $?)"
messages_logs=""
function push_messages(){
	if [[ ! -z "$1" ]]; then
		if [ -z "$messages_logs" ]; then
			messages_logs="$1"
		else
			messages_logs="$messages_logs
$1"
		fi
	fi
}
function write_messages(){
	echo "$messages_logs"
	echo "$messages_logs" > install_orbit_environment.log
	echo "Logs stored in install_orbit_environment.log!"
}
function fix_mongod_and_logrotate(){
	if [ -z "$(grep logRotate /etc/mongod.conf)" ]; then
		sed -i -E 's/logAppend.*/logRotate: reopen\n  \0/g' /etc/mongod.conf
	fi
	sudo bash -l -c "
		cd /root && \
		git clone https://github.com/logrotate/logrotate && \
		cd logrotate && \
		apt-get -y install autoconf automake libpopt-dev libtool make xz-utils && \
		autoreconf -fiv && \
		./configure --prefix=/usr && \
		make && make install && \
		logrotate -d /etc/logrotate.conf"
	cd "$org_pwd"
}
function get_mongodb_old(){
	old_dir="mongodb_old"
	if [ -d "/var/lib/$old_dir" ]; then
		postfix_num="0"
		while true; do
			old_dir="mongodb_old.$postfix_num"
			if [ ! -d "/var/lib/$old_dir" ]; then
				break
			else
				postfix_num="$((postfix_num+1))"
			fi
		done
	fi
	mongodb_old_dir="/var/lib/$old_dir"
}
function fix_downgrade_mongod(){
	if [ -z "$org_mongod_ver" ]
		sudo rm -rf /var/lib/mongodb/*;
		sudo chown mongodb:mongodb /var/lib/mongodb -R
		sudo chown mongodb:mongodb /var/log/mongodb -R
		sudo service mongod restart
		sleep 10
	else 
		if [[ "$org_mongod_ver" > "$1" ]] ; then
			if [ -d "/var/lib/mongodb" ]; then
				get_mongodb_old
				mv /var/lib/mongodb $mongodb_old_dir
				push_messages "old mongo move to $mongodb_old_dir!"
			fi
			sudo mkdir -p /var/lib/mongodb
			sudo chown mongodb:mongodb /var/lib/mongodb -R
			sudo chown mongodb:mongodb /var/log/mongodb -R
			sudo service mongod restart
			sleep 10
		fi
	fi
	mongod --version
	mongod_code="$(echo $?)"
}
function install_mongodb(){
	case $1 in
	3.2)
		mongod_ver="3.2.22"
		apt_add_key_func https://www.mongodb.org/static/pgp/server-3.2.asc
		echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list
		sudo apt-get update
		sudo apt-get install -y mongodb-org=$mongod_ver mongodb-org-server=$mongod_ver mongodb-org-shell=$mongod_ver mongodb-org-mongos=$mongod_ver mongodb-org-tools=$mongod_ver
		sudo service mongod stop
		sudo rm -f /var/lib/mongodb/mongod.lock
		sudo rm -f /tmp/mongodb-27017.sock
		sudo chown mongodb:mongodb /var/lib/mongodb -R
		sudo chown mongodb:mongodb /var/log/mongodb -R
		sudo service mongod restart
		sleep 10
		fix_downgrade_mongod "$mongod_ver"
		if [ $mongod_code != 0 ] && [ $mongod_code != 1 ]; then #mongo core dump
			push_messages "Mongo 3.2 core dump!"
			push_messages "Please install mongod by yourself!"
		else
			if [ -e /tmp/mongodb-27017.sock ]; then
				push_messages "Mongo start success!"
			else
				push_messages "mongo not yet start!"
				push_messages "Please check mongo status!"
			fi
			fix_mongod_and_logrotate
		fi
		;;
	4.4)
		mongod_ver="4.4.18"
		apt_add_key_func https://www.mongodb.org/static/pgp/server-4.4.asc
		if [[ "$ubuntu_version" > '20' ]]; then
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
		elif [[ "$ubuntu_version" =~ '18' ]] || [[ "$ubuntu_version" =~ '19' ]]; then
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
		else
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
		fi
		sudo apt-get update
		sudo apt-get install -y mongodb-org=$mongod_ver mongodb-org-server=$mongod_ver mongodb-org-shell=$mongod_ver mongodb-org-mongos=$mongod_ver mongodb-org-tools=$mongod_ver --allow-downgrades
		sudo service mongod restart
		sleep 10
		fix_downgrade_mongod "$mongod_ver"
		#if mongo 4.4 core dump, then install mongo 3.2
		if [ $mongod_code != 0 ] && [ $mongod_code != 1 ]; then
			install_mongodb "3.2" "1"
		else
			push_messages "mongo not yet start!"
			push_messages "Please check mongo status!"
		fi
		;;
	5.0)
		mongod_ver="5.0.14"
		apt_add_key_func https://www.mongodb.org/static/pgp/server-5.0.asc
		# install mongod 5.0
		if [[ "$ubuntu_version" > '20' ]]; then
			sudo wget -nc http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo dpkg -i libssl1.1_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo wget -nc http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl-dev_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo dpkg -i libssl-dev_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list
		elif [[ "$ubuntu_version" =~ '18' ]] || [[ "$ubuntu_version" =~ '19' ]]; then
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/5.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list
		else
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/5.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list
		fi
		sudo apt-get update
		sudo apt-get install -y mongodb-org=$mongod_ver mongodb-org-database=$mongod_ver mongodb-org-server=$mongod_ver mongodb-mongosh mongodb-org-shell=$mongod_ver mongodb-org-mongos=$mongod_ver mongodb-org-tools=$mongod_ver --allow-downgrades
		sudo rm -f /var/lib/mongodb/mongod.lock
		sudo rm -f /tmp/mongodb-27017.sock
		sudo chown mongodb:mongodb /var/lib/mongodb -R
		sudo chown mongodb:mongodb /var/log/mongodb -R
		sudo service mongod restart
		sleep 10
		if [[ ! -e /usr/bin/mongo ]]; then
			sudo ln -s /usr/bin/mongosh /usr/bin/mongo
		fi
		if [ -e /tmp/mongodb-27017.sock ]; then
			push_messages "Mongo start success!"
			fix_mongod_and_logrotate
		else
			fix_downgrade_mongod "$mongod_ver"
			#if mongo 5.0 core dump, then install mongo 4.4
			if [ $mongod_code != 0 ] && [ $mongod_code != 1 ]; then
				install_mongodb "4.4" "1"
			else
				push_messages "mongo not yet start!"
				push_messages "Please check mongo status!"
			fi
		fi
		;;
	6.0)
		mongod_ver="6.0.4"
		apt_add_key_func https://www.mongodb.org/static/pgp/server-6.0.asc
		if [[ "$ubuntu_version" > '20' ]]; then
			sudo wget -nc http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo dpkg -i libssl1.1_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo wget -nc http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl-dev_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			sudo dpkg -i libssl-dev_1.1.1-1ubuntu2.1~18.04.20_amd64.deb
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
		elif [[ "$ubuntu_version" =~ '18' ]] || [[ "$ubuntu_version" =~ '19' ]]; then
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
		else
			echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
		fi
		sudo apt-get update
		sudo apt-get remove mongodb-clients --purge
		sudo apt-get install -y mongodb-org=$mongod_ver mongodb-org-database=$mongod_ver mongodb-org-server=$mongod_ver mongodb-mongosh mongodb-org-mongos=$mongod_ver mongodb-org-tools=$mongod_ver --allow-downgrades
		sudo service mongod stop
		sudo rm -f /var/lib/mongodb/mongod.lock
		sudo rm -f /tmp/mongodb-27017.sock
		sudo chown mongodb:mongodb /var/lib/mongodb -R
		sudo chown mongodb:mongodb /var/log/mongodb -R
		sudo service mongod restart
		sleep 10
		if [[ ! -e /usr/bin/mongo ]]; then
			sudo ln -s /usr/bin/mongosh /usr/bin/mongo
		fi
		if [ -e /tmp/mongodb-27017.sock ]; then
			push_messages "Mongo start success!"
			fix_mongod_and_logrotate
		else
			fix_downgrade_mongod "$mongod_ver"
			#if mongo 6.0 core dump, then install mongo 5.0
			if [ $mongod_code != 0 ] && [ $mongod_code != 1 ]; then
				install_mongodb "5.0" "1"
			else
				push_messages "mongo not yet start!"
				push_messages "Please check mongo status!"
			fi
		fi
		;;
	*)
		push_messages "Only support mongodb: 3.2, 4.4, 5.0, 6.0!"
		;;
	esac
}
if [[ "$ubuntu_version" > '21' ]]; then
	function apt_add_key_func(){
		url="$1"
		base_name="$(basename $url)"
		file_path="/etc/apt/trusted.gpg.d/$base_name"
		sudo wget "$url" -q -O "$file_path"
		if [[ -e "$file_path" ]]; then
			mime_type=`file -b --mime-type "$file_path"`
			if [[ $mime_type == "application/pgp-keys" ]]; then
				new_file_path=`echo "$file_path"| sed -E 's/(\.[^.]+$|$)/\.gpg/g'`
				cat $file_path|sudo gpg --dearmor -o $new_file_path
				rm -f $file_path
				file_path="$new_file_path"
			fi
		fi
	}
else
	function apt_add_key_func(){
		wget -qO - "$1" | sudo apt-key add -
	}
fi
if [ $nginx_status != "0" ]; then
	sudo sed -i 's/\([^#]include \/etc\/nginx\/sites-enabled\/*\)/\#\1/g' /etc/nginx/nginx.conf
fi
sudo service nginx restart
openssl_dir=""
need_export_apt_key="0"
if [[ "$ubuntu_version" > '21' ]]; then # ruby must use openssl <= 1.1.1. Not support openssl 3.0 yet.
	need_export_apt_key="1"
	if [[ ! -d "/opt/openssl" ]]; then
		target_openssl_ver="1.1.1q"
		sudo bash -l -c "
			cd /root &&
			wget https://www.openssl.org/source/openssl-$target_openssl_ver.tar.gz --no-check-certificate -O openssl-$target_openssl_ver.tar.gz &&
			tar xzvf openssl-$target_openssl_ver.tar.gz &&
			cd openssl-$target_openssl_ver &&
			./config no-ssl2 no-ssl3 zlib-dynamic -fPIC shared --prefix=/opt/openssl &&
			make depend -j$cpu_cores && make install"
		openssl_ver="$target_openssl_ver"
		cd "$org_pwd"
	fi
	openssl_dir="/opt/openssl"
	sudo rm -rf /opt/openssl/ssl/certs
	sudo ln -s /etc/ssl/certs/ /opt/openssl/ssl/.
	sudo mkdir -p /etc/apt/trusted.gpg.d/
fi
cd /etc/nginx/
sudo mkdir orbit_sites/
if [ -z "$(grep 'orbit_sites' nginx.conf)" ]; then
	sudo sed -i 's/\(include\ \/etc\/nginx\/sites-enabled\/\*\;\)/\1\n    include\ \/etc\/nginx\/orbit_sites\/*;/g' nginx.conf
fi
if [[ "$ubuntu_version" > '22' ]]; then #Use root account prevent reading socket denied
	sudo sed -E -i 's/^[# ]*user.*/user root/g' /etc/nginx/nginx.conf
fi
cd $org_pwd
sudo apt-get install gnupg -y
if [ -z "$(which mongod)" ]; then
	org_mongod_ver=""
else
	org_mongod_ver=`mongod --version|grep 'Build Info' -A 20|grep 'version'|sed -E 's/\s*"version"://g'|cut -d '"' -f 2`
fi
if [[ "$ubuntu_version" =~ '14' ]]; then
	install_mongodb "3.2"
else
	if [ -z "$(lscpu |grep 'avx')" ]; then #Latest version not use avx instruction is 4.4.
		install_mongodb "4.4"
	else
		install_mongodb "6.0"
	fi
fi
# build ImageMagick and install
if [ -z $(which convert) ]; then
	remove_1_dir="0"
	if [[ ! -d "1" ]]; then
		remove_1_dir="1";
	fi
	tmp_pwd="$(pwd)"
	sudo bash -l -c "cd /root && \
	apt-get install libjpeg62 -y && \
	wget -nc http://download.sourceforge.net/libpng/libpng-1.5.13.tar.gz && \
	tar xvfz libpng-1.5.13.tar.gz && \
	cd libpng-1.5.13/ && \
	./configure && \
	make && sudo make install && \
	apt install -y libltdl-dev graphviz libpng-dev libfftw3-dev && \
	apt-get install -y libjpeg-turbo8-dev && \
	apt install -y libgif-dev libjpeg-dev libopenexr-dev libpng-dev libwebp-dev && \
	apt install -y cmake pkg-config libbrotli-dev && \
	wget -nc https://imagemagick.org/archive/ImageMagick.tar.gz && \
	tar xfz ImageMagick.tar.gz && \
	cd /root/libpng-1.5.13/ImageMagick-7* && \
	./configure --with-bzlib=yes --with-fontconfig=yes --with-freetype=yes --with-gslib=yes --with-gvc=yes --with-jpeg=yes --with-jp2=yes --with-png=yes --with-tiff=yes --disable-shared --with-modules && \
	make && make install && \
	ln -s /usr/local/lib/* /usr/lib/. && \
	ln -s /usr/local/lib/pkgconfig/* /usr/lib/pkgconfig/. && \
	ln -s /usr/local/bin/* /usr/bin/. && \
	convert -list configure"
	cd $tmp_pwd
	if [[ "$remove_1_dir" == "1" ]]; then
		rm -rf 1/
	fi
fi
## install rvm
if [ -z $(which rvm) ]; then
	sudo apt-get install --reinstall ca-certificates -y
	sudo apt-add-repository -y ppa:rael-gc/rvm
	sudo apt-get update
	sudo apt-get install rvm -y
	sudo usermod -a -G rvm $USER
	echo 'source "/etc/profile.d/rvm.sh"' >> ~/.bashrc
	source "/etc/profile.d/rvm.sh"
	sudo chown $USER:$USER $HOME -R
	rvm user gemsets
	sudo chown $USER:$USER /usr/share/rvm -R
fi
source "/etc/profile.d/rvm.sh"
# install ruby 2.7.6
if [[ -z "$openssl_dir" ]]; then
	rvm install 2.7.6
else
	rvm install 2.7.6 --with-openssl-dir="$openssl_dir"
fi
rvm --default use 2.7.6
gem install bundler -v 2.1.4
gem install zip
gem install nokogiri -v 1.8.5 #for ruby 2.7.6
#gem install nokogiri -v 1.7.0.1 #for ruby 2.1.10
sudo apt-get install screen -y
sudo sed -i 's/#cron\.\*/cron\.\*/g' /etc/rsyslog.d/50-default.conf
sudo service rsyslog restart
sudo mkdir /home/backup/db/ -p
sudo mkdir /home/backup/orbit/ -p
sudo apt-get install rsnapshot -y
sudo sed -i 's/^[^#]etain/#retain/g' /etc/rsnapshot.conf
sudo sed -i 's/\(retain\tdelta\t3\)/\1\nretain\tdaily\t7/g' /etc/rsnapshot.conf
sudo sed -i 's/snapshot_root.*/snapshot_root\t\/home\/backup\/orbit/g' /etc/rsnapshot.conf
sudo sed -i 's/^\(backup\t.*\)/#\1/g' /etc/rsnapshot.conf
matched_backup_home=$(grep -P "backup\t$HOME" /etc/rsnapshot.conf|xargs)
if [ -z $matched_backup_home ]; then
	sudo sed -i "$(echo "s/^\(#backup\t\/home\/\t\)/backup\t$(echo $HOME|sed 's/\//\\\//g')\tlocalhost\/\n\1/g")" /etc/rsnapshot.conf
else
	matched_backup_home=$(grep -P "(^|\s+)backup\t$HOME" /etc/rsnapshot.conf|xargs)
	if [ -z $matched_backup_home ]; then
		sudo sed -i "$(echo "s/[#\s\t]*backup\t$(echo $HOME|sed 's/\//\\\//g')/backup\t$(echo $HOME|sed 's/\//\\\//g')/g")" /etc/rsnapshot.conf
	fi
fi
sudo wget -nc http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/orbit_logrotate -O /etc/logrotate.d/orbit
sudo sed -i "s/rulingcom/$USER/g" /etc/logrotate.d/orbit
sudo logrotate -d /etc/logrotate.conf
sudo /usr/sbin/logrotate -f /etc/logrotate.conf
sudo wget -nc http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/orbit_service.sh -O /etc/init.d/orbit
sudo sed -i "s/ORBIT_USER=.*/ORBIT_USER=$USER/g" /etc/init.d/orbit
sudo chmod 755 /etc/init.d/orbit
sudo update-rc.d orbit defaults
sudo systemctl enable mongod.service
sudo_crontab_jobs=$(sudo crontab -l)
if [[ "$sudo_crontab_jobs" =~ "@reboot /bin/bash -l -c" ]]; then
	push_messages "Already exist reboot crontab!"
else
	push_messages "Adding reboot crontab!"
	echo "$sudo_crontab_jobs"$'\n''@reboot /bin/bash -l -c "rm -f /tmp/mongodb-27017.sock && chown mongodb:mongodb /var/lib/mongodb/ -R && chown mongodb:mongodb /var/log/mongodb -R && /usr/sbin/service mongod restart && /etc/init.d/orbit restart"'| sudo crontab -
fi
sudo_crontab_jobs=$(sudo crontab -l)
if [[ "$sudo_crontab_jobs" =~ "mongodump -o /" ]]; then
	push_messages "Already exist mongodump crontab!"
else
	push_messages "Adding mongodump crontab!"
	echo "$sudo_crontab_jobs"$'\n''0 3 * * * mongodump -o /home/backup/db/`date "+\%Y\%m\%d"`_db'| sudo crontab -
fi
sudo_crontab_jobs=$(sudo crontab -l)
if [[ `echo "$sudo_crontab_jobs" | grep -P "rm -fr.*/db/"` ]]; then
	push_messages "Already exist remove old mongo backup crontab!"
else
	push_messages "Adding remove old mongo backup crontab!"
	echo "$sudo_crontab_jobs"$'\n''0 4 * * * rm -fr /home/backup/db/`date --date="1 week ago" "+\%Y\%m\%d"`_db'| sudo crontab -
fi
sudo_crontab_jobs=$(sudo crontab -l)
if [[ "$sudo_crontab_jobs" =~ "/usr/bin/rsnapshot" ]]; then
	push_messages "Already exist rsnapshot crontab!"
else
	push_messages "Adding rsnapshot crontab!"
	echo "$sudo_crontab_jobs"$'\n''15 4 * * * /usr/bin/rsnapshot daily'| sudo crontab -
fi
push_messages "Finish setting orbit environment!"
push_messages "Please install orbit web app and setting nginx for single web by yourself!"
push_messages "You can use the following command to create web!"
push_messages "$ sudo /etc/init.d/orbit create \$site_path"
push_messages "Ex: sudo /etc/init.d/orbit create orbit_sites/orbit"
push_messages "Ex: sudo /etc/init.d/orbit create /home/rulingcom/orbit_sites/orbit"
write_messages