Files
LEMPer/scripts/install_nginx.sh
2019-08-23 16:50:39 +07:00

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#!/usr/bin/env bash
# NGiNX Installer
# Min. Requirement : GNU/Linux Ubuntu 14.04
# Last Build : 04/08/2019
# Author : ESLabs.ID (eslabs.id@gmail.com)
# Since Version : 1.0.0
# Include helper functions.
if [ "$(type -t run)" != "function" ]; then
BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
# shellchechk source=scripts/helper.sh
# shellcheck disable=SC1090
. "${BASEDIR}/helper.sh"
fi
# Define scripts directory.
if echo "${BASEDIR}" | grep -qwE "scripts"; then
SCRIPTS_DIR="${BASEDIR}"
else
SCRIPTS_DIR="${BASEDIR}/scripts"
fi
# Make sure only root can run this installer script.
requires_root
function add_nginx_repo() {
echo "Adding NGiNX repository..."
export NGX_PACKAGE
DISTRIB_NAME=${DISTRIB_NAME:-$(get_distrib_name)}
DISTRIB_REPO=${DISTRIB_REPO:-$(get_release_name)}
case "${DISTRIB_REPO}" in
trusty)
# NGiNX custom with ngx cache purge from rtCamp.
# https://rtcamp.com/wordpress-nginx/tutorials/single-site/fastcgi-cache-with-purging/
run add-apt-repository -y ppa:rtcamp/nginx
NGX_PACKAGE="nginx-custom"
;;
xenial)
# NGiNX custom with ngx cache purge from rtCamp.
run apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3050AC3CD2AE6F03
run bash -c "echo 'deb http://download.opensuse.org/repositories/home:/rtCamp:/EasyEngine/xUbuntu_16.04/ /' \
>> /etc/apt/sources.list.d/nginx-xenial.list"
NGX_PACKAGE="nginx-custom"
;;
bionic)
# NGiNX official repo.
run apt-key fingerprint ABF5BD827BD9BF62
run add-apt-repository -y ppa:nginx/stable
NGX_PACKAGE="nginx-stable"
;;
*)
NGX_PACKAGE=""
echo ""
error "Unsupported distribution release: ${DISTRIB_REPO}."
echo "Sorry your system is not supported yet, installing from source may fix the issue."
exit 1
;;
esac
}
function init_nginx_install() {
if "${AUTO_INSTALL}"; then
# Set default Iptables-based firewall configutor engine.
SELECTED_NGINX_INSTALLER=${NGINX_INSTALLER:-"source"}
else
# Install NGiNX custom.
echo "Available NGiNX installation method:"
echo " 1). Install from Repository (repo)"
echo " 2). Compile from Source (source)"
echo "-------------------------------------"
while [[ ${SELECTED_NGINX_INSTALLER} != "1" && ${SELECTED_NGINX_INSTALLER} != "2" \
&& ${SELECTED_NGINX_INSTALLER} != "repo" && ${SELECTED_NGINX_INSTALLER} != "source" ]]; do
read -rp "Select an option [1-2]: " -i "${NGINX_INSTALLER}" -e SELECTED_NGINX_INSTALLER
done
echo ""
fi
case "${SELECTED_NGINX_INSTALLER}" in
1|"repo")
add_nginx_repo
echo "Installing NGiNX from package repository..."
if hash dpkg 2>/dev/null; then
if [[ -n "${NGX_PACKAGE}" ]]; then
{
run apt-get update
run apt-get install -y --allow-unauthenticated "${NGX_PACKAGE}"
}
fi
elif hash yum 2>/dev/null; then
if [ "${VERSION_ID}" == "5" ]; then
yum -y update
#yum -y localinstall "${NGX_PACKAGE}" --nogpgcheck
else
yum -y update
#yum -y localinstall "${NGX_PACKAGE}"
fi
else
fail "Unable to install LEMPer: this GNU/Linux distribution is not dpkg/yum enabled."
fi
;;
2|"source"|*)
echo "Installing NGiNX from source..."
if "${DRYRUN}"; then
"${SCRIPTS_DIR}/install_nginx_from_source.sh" -v latest-stable \
-n stable --dynamic-module --extra-modules -y --dryrun
else
# Additional configure arguments.
NGX_CONFIGURE_ARGS=""
# Build directory.
BUILD_DIR=${BUILD_DIR:-"/usr/local/src/lemper"}
if [ ! -d "${BUILD_DIR}" ]; then
run mkdir -p "${BUILD_DIR}"
fi
# Custom OpenSSL.
OPENSSL_VERSION="openssl-1.1.1c"
if [[ -n "${OPENSSL_VERSION}" ]]; then
run wget -q -O "${BUILD_DIR}/${OPENSSL_VERSION}.tar.gz" \
"https://www.openssl.org/source/${OPENSSL_VERSION}.tar.gz"
run tar -C "${BUILD_DIR}/" -xf "${BUILD_DIR}/${OPENSSL_VERSION}.tar.gz"
run rm -f "${BUILD_DIR}/${OPENSSL_VERSION}.tar.gz"
NGX_CONFIGURE_ARGS="--with-openssl=${BUILD_DIR}/${OPENSSL_VERSION} ${NGX_CONFIGURE_ARGS}"
fi
# Execute nginx from source installer.
"${SCRIPTS_DIR}/install_nginx_from_source.sh" -v latest-stable -n stable --dynamic-module \
--extra-modules -b "${BUILD_DIR}" -a "${NGX_CONFIGURE_ARGS}" -y
fi
echo ""
echo "Configuring NGiNX extra modules..."
# Create NGiNX directories.
if [ ! -d /etc/nginx/modules-available ]; then
run mkdir /etc/nginx/modules-available
fi
if [ ! -d /etc/nginx/modules-enabled ]; then
run mkdir /etc/nginx/modules-enabled
fi
# Custom NGiNX dynamic modules configuration.
if [[ -f /usr/lib/nginx/modules/ngx_http_brotli_filter_module.so && \
! -f /etc/nginx/modules-available/mod-http-brotli-filter.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_brotli_filter_module.so\";' \
> /etc/nginx/modules-available/mod-http-brotli-filter.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_brotli_static_module.so && \
! -f /etc/nginx/modules-available/mod-http-brotli-static.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_brotli_static_module.so\";' \
> /etc/nginx/modules-available/mod-http-brotli-static.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_cache_purge_module.so && \
! -f /etc/nginx/modules-available/mod-http-cache-purge.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_cache_purge_module.so\";' \
> /etc/nginx/modules-available/mod-http-cache-purge.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_fancyindex_module.so && \
! -f /etc/nginx/modules-available/mod-http-fancyindex.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_fancyindex_module.so\";' \
> /etc/nginx/modules-available/mod-http-fancyindex.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_geoip_module.so && \
! -f /etc/nginx/modules-available/mod-http-geoip.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_geoip_module.so\";' \
> /etc/nginx/modules-available/mod-http-geoip.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_headers_more_filter_module.so && \
! -f /etc/nginx/modules-available/mod-http-headers-more-filter.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_headers_more_filter_module.so\";' \
> /etc/nginx/modules-available/mod-http-headers-more-filter.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_image_filter_module.so && \
! -f /etc/nginx/modules-available/mod-http-image-filter.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_image_filter_module.so\";' \
> /etc/nginx/modules-available/mod-http-image-filter.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_naxsi_module.so && \
! -f /etc/nginx/modules-available/mod-http-naxsi.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_naxsi_module.so\";' \
> /etc/nginx/modules-available/mod-http-naxsi.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_vhost_traffic_status_module.so && \
! -f /etc/nginx/modules-available/mod-http-vts.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_vhost_traffic_status_module.so\";' \
> /etc/nginx/modules-available/mod-http-vts.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_http_xslt_filter_module.so && \
! -f /etc/nginx/modules-available/mod-http-xslt-filter.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_http_xslt_filter_module.so\";' \
> /etc/nginx/modules-available/mod-http-xslt-filter.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_mail_module.so && \
! -f /etc/nginx/modules-available/mod-mail.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_mail_module.so\";' \
> /etc/nginx/modules-available/mod-mail.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_pagespeed.so && \
! -f /etc/nginx/modules-available/mod-pagespeed.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_pagespeed.so\";' \
> /etc/nginx/modules-available/mod-pagespeed.conf"
fi
if [[ -f /usr/lib/nginx/modules/ngx_stream_module.so && \
! -f /etc/nginx/modules-available/mod-stream.conf ]]; then
run bash -c "echo 'load_module \"/usr/lib/nginx/modules/ngx_stream_module.so\";' \
> /etc/nginx/modules-available/mod-stream.conf"
fi
# Enable NGiNX Dynamic Module.
if "${NGINX_DYNAMIC_MODULE}"; then
ENABLE_NGXDM=y
else
echo ""
while [[ "${ENABLE_NGXDM}" != "y" && "${ENABLE_NGXDM}" != "n" ]]; do
read -rp "Enable NGiNX dynamic modules? [y/n]: " -i y -e ENABLE_NGXDM
done
fi
if [[ "${ENABLE_NGXDM}" == Y* || "${ENABLE_NGXDM}" == y* ]]; then
if [[ "${NGX_BROTLI}" && \
-f /etc/nginx/modules-available/mod-http-brotli-filter.conf ]]; then
run ln -fs /etc/nginx/modules-available/mod-http-brotli-filter.conf \
/etc/nginx/modules-enabled/50-mod-http-brotli-filter.conf
fi
if [[ "${NGX_BROTLI}" && \
-f /etc/nginx/modules-available/mod-http-brotli-static.conf ]]; then
run ln -fs /etc/nginx/modules-available/mod-http-brotli-static.conf \
/etc/nginx/modules-enabled/50-mod-http-brotli-static.conf
fi
if [[ "${NGX_CACHE_PURGE}" && \
-f /etc/nginx/modules-available/mod-http-cache-purge.conf ]]; then
run ln -fs /etc/nginx/modules-available/mod-http-cache-purge.conf \
/etc/nginx/modules-enabled/50-mod-http-cache-purge.conf
fi
if [[ "${NGX_FANCYINDEX}" && \
-f /etc/nginx/modules-available/mod-http-fancyindex.conf ]]; then
run ln -fs /etc/nginx/modules-available/mod-http-fancyindex.conf \
/etc/nginx/modules-enabled/50-mod-http-fancyindex.conf
fi
if [[ "${NGX_HTTP_GEOIP2}" && \
-f /etc/nginx/modules-available/mod-http-geoip.conf ]]; then
run ln -s /etc/nginx/modules-available/mod-http-geoip.conf \
/etc/nginx/modules-enabled/50-mod-http-geoip.conf
fi
if [[ "${NGX_PAGESPEED}" && \
-f /etc/nginx/modules-available/mod-pagespeed.conf ]]; then
run ln -fs /etc/nginx/modules-available/mod-pagespeed.conf \
/etc/nginx/modules-enabled/50-mod-pagespeed.conf
fi
fi
# NGiNX init script.
if [ ! -f /etc/init.d/nginx ]; then
run cp etc/init.d/nginx /etc/init.d/
run chmod ugo+x /etc/init.d/nginx
fi
# NGiNX systemd script.
if [ ! -f /lib/systemd/system/nginx.service ]; then
run cp etc/systemd/nginx.service /lib/systemd/system/
fi
if [ ! -f /etc/systemd/system/multi-user.target.wants/nginx.service ]; then
run ln -s /lib/systemd/system/nginx.service \
/etc/systemd/system/multi-user.target.wants/nginx.service
fi
# Try reloading daemon.
run systemctl daemon-reload
# Enable in start up.
run systemctl enable nginx.service
;;
esac
echo -e "\nCreating NGiNX configuration..."
if [ ! -d /etc/nginx/sites-available ]; then
run mkdir /etc/nginx/sites-available
fi
if [ ! -d /etc/nginx/sites-enabled ]; then
run mkdir /etc/nginx/sites-enabled
fi
# Copy custom NGiNX Config.
if [ -f /etc/nginx/nginx.conf ]; then
run mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.old
fi
run cp -f etc/nginx/charset /etc/nginx/
run cp -f etc/nginx/{comp_brotli,comp_gzip} /etc/nginx/
run cp -f etc/nginx/{fastcgi_cache,fastcgi_https_map,fastcgi_params,proxy_cache,proxy_params} /etc/nginx/
run cp -f etc/nginx/{http_cloudflare_ips,http_proxy_ips} /etc/nginx/
run cp -f etc/nginx/nginx.conf /etc/nginx/
run cp -f etc/nginx/upstream /etc/nginx/
run cp -fr etc/nginx/{includes,vhost,ssl} /etc/nginx/
if [ -f /etc/nginx/sites-available/default ]; then
run mv /etc/nginx/sites-available/default /etc/nginx/sites-available/default.old
fi
run cp -f etc/nginx/sites-available/default /etc/nginx/sites-available/
if [ -f /etc/nginx/sites-enabled/default ]; then
run unlink /etc/nginx/sites-enabled/default
fi
if [ -f /etc/nginx/sites-enabled/01-default ]; then
run unlink /etc/nginx/sites-enabled/01-default
fi
run ln -s /etc/nginx/sites-available/default /etc/nginx/sites-enabled/01-default
if [ -d /usr/share/nginx/html ]; then
run chown -hR www-data:root /usr/share/nginx/html
fi
# NGiNX cache directory.
if [ ! -d /var/cache/nginx ]; then
run mkdir /var/cache/nginx
run chown -hR www-data:root /var/cache/nginx
fi
if [ ! -d /var/cache/nginx/fastcgi_cache ]; then
run mkdir /var/cache/nginx/fastcgi_cache
run chown -hR www-data:root /var/cache/nginx/fastcgi_cache
fi
if [ ! -d /var/cache/nginx/proxy_cache ]; then
run mkdir /var/cache/nginx/proxy_cache
run chown -hR www-data:root /var/cache/nginx/proxy_cache
fi
# Adjust nginx to meet hardware resources.
echo "Adjusting NGiNX configuration..."
local CPU_CORES && \
CPU_CORES=$(grep -c processor /proc/cpuinfo)
run sed -i "s/worker_processes\ auto/worker_processes\ ${CPU_CORES}/g" /etc/nginx/nginx.conf
local NGX_CONNECTIONS
case ${CPU_CORES} in
1)
NGX_CONNECTIONS=4096
;;
2|3)
NGX_CONNECTIONS=2048
;;
*)
NGX_CONNECTIONS=1024
;;
esac
run sed -i "s/worker_connections\ 4096/worker_connections\ ${NGX_CONNECTIONS}/g" /etc/nginx/nginx.conf
# Generate Diffie-Hellman parameters.
DH_NUMBITS=${HASH_LENGTH:-2048}
if [ ! -f "/etc/nginx/ssl/dhparam-${DH_NUMBITS}.pem" ]; then
echo "Generating Diffie-Hellman parameters for enhanced HTTPS/SSL security,"
echo "this is going to take a long time..."
run openssl dhparam -out "/etc/nginx/ssl/dhparam-${DH_NUMBITS}.pem" "${DH_NUMBITS}"
fi
# Final test.
echo ""
if "${DRYRUN}"; then
IP_SERVER="127.0.0.1"
warning "NGiNX HTTP server installed in dryrun mode."
else
IP_SERVER=${IP_SERVER:-$(get_ip_addr)}
# Make default server accessible from IP address.
run sed -i "s/localhost.localdomain/${IP_SERVER}/g" /etc/nginx/sites-available/default
# Restart NGiNX server
echo "Starting NGiNX HTTP server..."
if [[ $(pgrep -c nginx) -gt 0 ]]; then
run service nginx reload -s
status "NGiNX HTTP server restarted successfully."
elif [[ -n $(command -v nginx) ]]; then
run service nginx start
if [[ $(pgrep -c nginx) -gt 0 ]]; then
status "NgiNX HTTP server started successfully."
else
warning "Something wrong with NGiNX installation."
fi
fi
fi
}
echo "[Welcome to NGiNX Installer]"
echo ""
# Start running things from a call at the end so if this script is executed
# after a partial download it doesn't do anything.
if [[ -n $(command -v nginx) && -d /etc/nginx/sites-available ]]; then
warning "Nginx web server already exists. Installation skipped..."
else
init_nginx_install "$@"
fi