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

Install_Tengine() {
  pushd ${oneinstack_dir}/src > /dev/null
  id -u ${run_user} >/dev/null 2>&1
  [ $? -ne 0 ] && useradd -M -s /sbin/nologin ${run_user}

  tar xzf pcre-${pcre_ver}.tar.gz
  tar xzf tengine-${tengine_ver}.tar.gz
  tar xzf openssl-${openssl_ver}.tar.gz
  pushd tengine-${tengine_ver}
  # Modify Tengine version
  #sed -i 's@TENGINE "/" TENGINE_VERSION@"Tengine/unknown"@' src/core/nginx.h

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

  [ ! -d "${tengine_install_dir}" ] && mkdir -p ${tengine_install_dir}
  ./configure --prefix=${tengine_install_dir} --user=${run_user} --group=${run_user} --with-http_v2_module --with-http_ssl_module --with-http_gzip_static_module --with-http_realip_module --with-http_flv_module --with-http_mp4_module --with-http_concat_module=shared --with-http_sysguard_module=shared --with-openssl=../openssl-${openssl_ver} --with-pcre=../pcre-${pcre_ver} --with-pcre-jit --with-jemalloc ${nginx_modules_options}
  make -j ${THREAD} && make install
  if [ -e "${tengine_install_dir}/conf/nginx.conf" ]; then
    popd
    rm -rf pcre-${pcre_ver}
    rm -rf openssl-${openssl_ver}
    rm -rf tengine-${tengine_ver}
    echo "${CSUCCESS}Tengine installed successfully! ${CEND}"
  else
    rm -rf ${tengine_install_dir}
    echo "${CFAILURE}Tengine install failed, Please Contact the author! ${CEND}"
    kill -9 $$
  fi

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

  [ "${OS}" == 'CentOS' ] && { /bin/cp ../init.d/Nginx-init-CentOS /etc/init.d/nginx; chkconfig --add nginx; chkconfig nginx on; }
  [[ ${OS} =~ ^Ubuntu$|^Debian$ ]] && { /bin/cp ../init.d/Nginx-init-Ubuntu /etc/init.d/nginx; update-rc.d nginx defaults; }

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

  mv ${tengine_install_dir}/conf/nginx.conf{,_bk}
  if [[ ${apache_option} =~ ^[1-2]$ ]]; then
    /bin/cp ../config/nginx_apache.conf ${tengine_install_dir}/conf/nginx.conf
  elif [[ ${tomcat_option} =~ ^[1-2]$ ]] && [ ! -e "${php_install_dir}/bin/php" ]; then
    /bin/cp ../config/nginx_tomcat.conf ${tengine_install_dir}/conf/nginx.conf
  else
    /bin/cp ../config/nginx.conf ${tengine_install_dir}/conf/nginx.conf
    [ "${php_yn}" == 'y' ] && [ -z "`grep '/php-fpm_status' ${tengine_install_dir}/conf/nginx.conf`" ] &&  sed -i "s@index index.html index.php;@index index.html index.php;\n    location ~ /php-fpm_status {\n        #fastcgi_pass remote_php_ip:9000;\n        fastcgi_pass unix:/dev/shm/php-cgi.sock;\n        fastcgi_index index.php;\n        include fastcgi.conf;\n        allow 127.0.0.1;\n        deny all;\n        }@" ${tengine_install_dir}/conf/nginx.conf
  fi
  cat > ${tengine_install_dir}/conf/proxy.conf << EOF
proxy_connect_timeout 300s;
proxy_send_timeout 900;
proxy_read_timeout 900;
proxy_buffer_size 32k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_redirect off;
proxy_hide_header Vary;
proxy_set_header Accept-Encoding '';
proxy_set_header Referer \$http_referer;
proxy_set_header Cookie \$http_cookie;
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
EOF
  sed -i "s@/data/wwwroot/default@${wwwroot_dir}/default@" ${tengine_install_dir}/conf/nginx.conf
  sed -i "s@/data/wwwlogs@${wwwlogs_dir}@g" ${tengine_install_dir}/conf/nginx.conf
  sed -i "s@^user www www@user ${run_user} ${run_user}@" ${tengine_install_dir}/conf/nginx.conf
  uname -r | awk -F'.' '{if ($1$2>=39)S=0;else S=1}{exit S}' && [ -z "`grep 'reuse_port on;' ${tengine_install_dir}/conf/nginx.conf`" ] && sed -i "s@worker_connections 51200;@worker_connections 51200;\n    reuse_port on;@" ${tengine_install_dir}/conf/nginx.conf

  # worker_cpu_affinity
  sed -i "s@^worker_processes.*@worker_processes auto;\nworker_cpu_affinity auto;\ndso {\n\tload ngx_http_concat_module.so;\n\tload ngx_http_sysguard_module.so;\n}@" ${tengine_install_dir}/conf/nginx.conf

  # 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
  popd
  ldconfig
  service nginx start
}