install_nginx.sh

#!/bin/bash

# TODO: Add helpful comments.

set -x

SRC_DIR="/usr/local/src"
NGX_INSTALL_VERSION="1.4.2"
LUA_JIT_VERSION="2.0.2"
LUA_PATH="/usr/local/include/luajit-2.0"

NGX_REQUIREMENTS=(
    "build-essential"
    "libpcre3"
    "libpcre3-dev"
    "zlib1g"
    "zlib1g-dev"
    "openssl"
    "libssl-dev"
    "libxml2"
    "libxml2-dev"
    "libxslt1"
    "libxslt1-dev"
    "libgd-dev"
    "libgeoip-dev"
)

for requirement in "${NGX_REQUIREMENTS[@]}"; do
    dpkg -s "$requirement" &> /dev/null || {
        apt-get install -f -y "$requirement"
    }
done


NGX_MODULES=(
    "https://github.com/simpl/ngx_devel_kit/archive/v0.2.18.tar.gz"
    "https://github.com/chaoslawful/lua-nginx-module/archive/v0.8.7.tar.gz"
    "https://github.com/agentzh/echo-nginx-module/archive/v0.47.tar.gz"
    "http://github.com/gnosek/nginx-upstream-fair/tarball/master"
    "https://github.com/agentzh/redis2-nginx-module/archive/v0.10.tar.gz"
    "https://github.com/agentzh/set-misc-nginx-module/archive/v0.23.tar.gz"
)

cd $SRC_DIR

if ! test -d $SRC_DIR/nginx-$NGX_INSTALL_VERSION; then

    if ! test -d $LUA_PATH; then
        wget "http://luajit.org/download/LuaJIT-$LUA_JIT_VERSION.tar.gz" -O - --no-check-certificate | tar -zxf - -C $SRC_DIR
        cd "$SRC_DIR/LuaJIT-$LUA_JIT_VERSION"
        make
        make install
    fi

    cd $SRC_DIR

    NGX_CONFIG_ARGS="--prefix=/etc/nginx
        --conf-path=/etc/nginx/nginx.conf
        --error-log-path=/var/log/nginx/error.log
        --http-client-body-temp-path=/var/lib/nginx/body
        --http-fastcgi-temp-path=/var/lib/nginx/fastcgi
        --http-log-path=/var/log/nginx/access.log
        --http-proxy-temp-path=/var/lib/nginx/proxy
        --http-scgi-temp-path=/var/lib/nginx/scgi
        --http-uwsgi-temp-path=/var/lib/nginx/uwsgi
        --lock-path=/var/lock/nginx.lock
        --pid-path=/var/run/nginx.pid
        --with-debug --with-http_addition_module
        --with-http_dav_module
        --with-http_geoip_module
        --with-http_gzip_static_module
        --with-http_image_filter_module
        --with-http_realip_module
        --with-http_stub_status_module
        --with-http_ssl_module
        --with-http_sub_module
        --with-http_xslt_module
        --with-ipv6
        --with-sha1=/usr/include/openssl
        --with-md5=/usr/include/openssl
        --with-mail --with-mail_ssl_module
        --with-http_gunzip_module
        --with-http_spdy_module
        --with-http_secure_link_module"

    NGX_MODULES_PATH="$SRC_DIR/nginx_modules"
    mkdir -p $NGX_MODULES_PATH &> /dev/null
    rm -fr "$NGX_MODULES_PATH/*"

    for module in "${NGX_MODULES[@]}"; do
        wget "$module" -O - --no-check-certificate | tar -zxf - -C "$NGX_MODULES_PATH"
    done

    for module_path in `ls -1 $NGX_MODULES_PATH`; do
        NGX_CONFIG_ARGS+=" --add-module=$NGX_MODULES_PATH/$module_path"
    done

    cd $SRC_DIR
    if ! test -d nginx-$NGX_INSTALL_VERSION; then
        wget "http://nginx.org/download/nginx-$NGX_INSTALL_VERSION.tar.gz" --no-check-certificate
        tar -xzvf nginx-$NGX_INSTALL_VERSION.tar.gz
    fi

    cd nginx-$NGX_INSTALL_VERSION

    export LUAJIT_LIB=/usr/local/lib
    export LUAJIT_INC=$LUA_PATH

    ./configure $NGX_CONFIG_ARGS

    make -j2
    make install

    unset LUAJIT_LIB
    unset LUAJIT_INC

    ln -sf /usr/local/lib/libluajit-5.1.so.2 /usr/lib/

    wget 'https://raw.github.com/phcostabh/nginx-init-ubuntu/master/nginx' -O /etc/init.d/nginx
    chmod +x /etc/init.d/nginx
    update-rc.d -f nginx defaults
fi