#!/bin/bash
# Author:  yeho <lj2007331 AT gmail.com>
# BLOG:  https://blog.linuxeye.com
#
# Notes: OneinStack for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+
#
# Project home page:
#       http://oneinstack.com
#       https://github.com/lj2007331/oneinstack

Install_Nginx()
{
cd $oneinstack_dir/src
src_url=http://downloads.sourceforge.net/project/pcre/pcre/$pcre_version/pcre-$pcre_version.tar.gz && Download_src
src_url=http://nginx.org/download/nginx-$nginx_version.tar.gz && Download_src

tar xzf pcre-$pcre_version.tar.gz
cd pcre-$pcre_version
./configure
make && make install
cd ..

id -u $run_user >/dev/null 2>&1
[ $? -ne 0 ] && useradd -M -s /sbin/nologin $run_user 

tar xzf nginx-$nginx_version.tar.gz
cd nginx-$nginx_version
# Modify Nginx version
#sed -i 's@#define NGINX_VERSION.*$@#define NGINX_VERSION      "1.2"@' src/core/nginx.h
#sed -i 's@#define NGINX_VER.*NGINX_VERSION$@#define NGINX_VER          "Linuxeye/" NGINX_VERSION@' src/core/nginx.h
#sed -i 's@Server: nginx@Server: linuxeye@' src/http/ngx_http_header_filter_module.c

# close debug
sed -i 's@CFLAGS="$CFLAGS -g"@#CFLAGS="$CFLAGS -g"@' auto/cc/gcc

if [ "$je_tc_malloc" == '1' ];then
    malloc_module="--with-ld-opt='-ljemalloc'"
elif [ "$je_tc_malloc" == '2' ];then
    malloc_module='--with-google_perftools_module'
    mkdir /tmp/tcmalloc
    chown -R ${run_user}.$run_user /tmp/tcmalloc
fi

[ ! -d "$nginx_install_dir" ] && mkdir -p $nginx_install_dir
./configure --prefix=$nginx_install_dir --user=$run_user --group=$run_user --with-http_stub_status_module --with-http_v2_module --with-http_ssl_module --with-ipv6 --with-http_gzip_static_module --with-http_realip_module --with-http_flv_module $malloc_module
make && make install
if [ -e "$nginx_install_dir/conf/nginx.conf" ];then
    cd ..
    rm -rf nginx-$nginx_version
    echo "${CSUCCESS}Nginx install successfully! ${CEND}"
else
    rm -rf $nginx_install_dir
    echo "${CFAILURE}Nginx install failed, Please Contact the author! ${CEND}" 
    kill -9 $$
fi

[ -z "`grep ^'export PATH=' /etc/profile`" ] && echo "export PATH=$nginx_install_dir/sbin:\$PATH" >> /etc/profile 
[ -n "`grep ^'export PATH=' /etc/profile`" -a -z "`grep $nginx_install_dir /etc/profile`" ] && sed -i "s@^export PATH=\(.*\)@export PATH=$nginx_install_dir/sbin:\1@" /etc/profile
. /etc/profile

OS_CentOS='/bin/cp ../init.d/Nginx-init-CentOS /etc/init.d/nginx \n
chkconfig --add nginx \n
chkconfig nginx on'
OS_Debian_Ubuntu='/bin/cp ../init.d/Nginx-init-Ubuntu /etc/init.d/nginx \n
update-rc.d nginx defaults'
OS_command
cd ..

sed -i "s@/usr/local/nginx@$nginx_install_dir@g" /etc/init.d/nginx

mv $nginx_install_dir/conf/nginx.conf{,_bk}
if [ "$Apache_version" == '1' -o "$Apache_version" == '2' ];then
    /bin/cp config/nginx_apache.conf $nginx_install_dir/conf/nginx.conf
else
    /bin/cp config/nginx.conf $nginx_install_dir/conf/nginx.conf
fi
cat > $nginx_install_dir/conf/proxy.conf << EOF
proxy_connect_timeout 300s;
proxy_send_timeout 900;
proxy_read_timeout 900;
proxy_buffer_size 32k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_redirect off;
proxy_hide_header Vary;
proxy_set_header Accept-Encoding '';
proxy_set_header Referer \$http_referer;
proxy_set_header Cookie \$http_cookie;
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
EOF
sed -i "s@/home/wwwroot/default@$wwwroot_dir/default@" $nginx_install_dir/conf/nginx.conf
sed -i "s@/home/wwwlogs@$wwwlogs_dir@g" $nginx_install_dir/conf/nginx.conf
sed -i "s@^user www www@user $run_user $run_user@" $nginx_install_dir/conf/nginx.conf
[ "$je_tc_malloc" == '2' ] && sed -i 's@^pid\(.*\)@pid\1\ngoogle_perftools_profiles /tmp/tcmalloc;@' $nginx_install_dir/conf/nginx.conf 

# worker_cpu_affinity
CPU_num=`cat /proc/cpuinfo | grep processor | wc -l`
if [ "$CPU_num" == '2' ];then
    sed -i 's@^worker_processes.*@worker_processes 2;\nworker_cpu_affinity 10 01;@' $nginx_install_dir/conf/nginx.conf
elif [ "$CPU_num" == '3' ];then
    sed -i 's@^worker_processes.*@worker_processes 3;\nworker_cpu_affinity 100 010 001;@' $nginx_install_dir/conf/nginx.conf
elif [ "$CPU_num" == '4' ];then
    sed -i 's@^worker_processes.*@worker_processes 4;\nworker_cpu_affinity 1000 0100 0010 0001;@' $nginx_install_dir/conf/nginx.conf
elif [ "$CPU_num" == '6' ];then
    sed -i 's@^worker_processes.*@worker_processes 6;\nworker_cpu_affinity 100000 010000 001000 000100 000010 000001;@' $nginx_install_dir/conf/nginx.conf
elif [ "$CPU_num" == '8' ];then
    sed -i 's@^worker_processes.*@worker_processes 8;\nworker_cpu_affinity 10000000 01000000 00100000 00010000 00001000 00000100 00000010 00000001;@' $nginx_install_dir/conf/nginx.conf
else
    echo Google worker_cpu_affinity
fi

# logrotate nginx log
cat > /etc/logrotate.d/nginx << EOF
$wwwlogs_dir/*nginx.log {
daily
rotate 5
missingok
dateext
compress
notifempty
sharedscripts
postrotate
    [ -e /var/run/nginx.pid ] && kill -USR1 \`cat /var/run/nginx.pid\`
endscript
}
EOF

ldconfig
service nginx start
}