#!/bin/bash

###################################################################################
# 控制台颜色
BLACK="\033[1;30m"
RED="\033[1;31m"
GREEN="\033[1;32m"
YELLOW="\033[1;33m"
BLUE="\033[1;34m"
PURPLE="\033[1;35m"
CYAN="\033[1;36m"
RESET="$(tput sgr0)"
###################################################################################

printf "${BLUE}\n"
cat << EOF
###################################################################################
# 采用编译方式安装 Nginx, 并将其注册为 systemd 服务
# 默认下载安装 1.16.0 版本，安装路径为：/usr/local/nginx
# @system: 适用于 CentOS7+
###################################################################################
EOF
printf "${RESET}\n"

command -v yum > /dev/null 2>&1 || {
    printf "${RED}Require yum but it's not installed.${RESET}\n";
    exit 1;
}

printf "\n${GREEN}>>>>>>>> install nginx begin${RESET}\n"

if [[ $# -lt 1 ]] || [[ $# -lt 2 ]]; then
    printf "${PURPLE}[Hint]\n"
    printf "\t Usage: sh nginx-install.sh [version] \n"
    printf "\t Default: sh nginx-install.sh 1.16.0 \n"
    printf "\t Example: sh nginx-install.sh 1.16.0 \n"
    printf "${RESET}\n"
fi

temp=/opt/nginx
version=1.16.0
if [[ -n $1 ]]; then
    version=$1
fi

# install info
printf "${PURPLE}[Install Info]\n"
printf "\t version = ${version}\n"
printf "${RESET}\n"

printf "${CYAN}>>>> install required libs${RESET}\n"
yum install -y zlib zlib-devel gcc-c++ libtool openssl openssl-devel pcre

# download and decompression
printf "${CYAN}>>>> download nginx${RESET}\n"
mkdir -p ${temp}
curl -o ${temp}/nginx-${version}.tar.gz http://nginx.org/download/nginx-${version}.tar.gz
tar zxf ${temp}/nginx-${version}.tar.gz -C ${temp}

# configure and makefile
printf "${CYAN}>>>> compile nginx${RESET}\n"
cd ${temp}/nginx-${version}
./configure --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre
make && make install
rm -rf ${temp}
cd -

# setting systemd service
printf "${CYAN}>>>> set nginx as a systemd service${RESET}\n"
wget -N https://gitee.com/turnon/linux-tutorial/raw/master/codes/linux/soft/config/nginx/nginx.service -O /usr/lib/systemd/system/nginx.service
chmod +x /usr/lib/systemd/system/nginx.service

# boot nginx
printf "${CYAN}>>>> start nginx${RESET}\n"
systemctl enable nginx.service
systemctl start nginx.service

printf "\n${GREEN}<<<<<<<< install nginx end${RESET}\n"
printf "\n${PURPLE}nginx service status: ${RESET}\n"
systemctl status nginx

#!/bin/bash

ck_ok()
{
        if [ $? -ne 0 ]
        then
                echo "$1 error."
                exit 1
        fi
}

download_ng()
{
    cd  /usr/local/src
    if [ -f nginx-1.23.0.tar.gz ]
    then
        echo "当前目录已经存在nginx-1.23.0.tar.gz"
        echo "检测md5"
        ng_md5=`md5sum nginx-1.23.0.tar.gz|awk '{print $1}'`
        if [ ${ng_md5} == 'e8768e388f26fb3d56a3c88055345219' ]
        then
            return 0
        else
            sudo /bin/mv nginx-1.23.0.tar.gz nginx-1.23.0.tar.gz.old
        fi
    fi

    sudo curl -O http://nginx.org/download/nginx-1.23.0.tar.gz
    ck_ok "下载Nginx"
}

install_ng()
{
    cd /usr/local/src
    echo "解压Nginx"
    sudo tar zxf nginx-1.23.0.tar.gz
    ck_ok "解压Nginx"
    cd nginx-1.23.0


    echo "安装依赖"
    if which yum >/dev/null 2>&1
    then
        ## RHEL/Rocky/CentOS
        for pkg in gcc make pcre-devel zlib-devel openssl-devel
        do
            if ! rpm -q $pkg >/dev/null 2>&1
            then
                sudo yum install -y $pkg
                ck_ok "yum 安装$pkg"
            else
                echo "$pkg已经安装"
            fi
        done
    fi


    if which apt >/dev/null 2>&1
    then
        ##ubuntu
        for pkg in make libpcre++-dev  libssl-dev  zlib1g-dev
        do
            if ! dpkg -l $pkg >/dev/null 2>&1
            then
                sudo apt install -y $pkg
                ck_ok "apt 安装$pkg"
            else
                echo "$pkg已经安装"
            fi
        done
    fi

    echo "configure Nginx"
    sudo ./configure --prefix=/usr/local/nginx  --with-http_ssl_module
    ck_ok "Configure Nginx"


    echo "编译和安装"
    sudo make && sudo make install
    ck_ok "编译和安装"

    echo "编辑systemd服务管理脚本"

    cat > /tmp/nginx.service <<EOF
[Unit]
Description=nginx - high performance web server
Documentation=http://nginx.org/en/docs/
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target

[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
ExecReload=/bin/sh -c "/bin/kill -s HUP \$(/bin/cat /usr/local/nginx/logs/nginx.pid)"
ExecStop=/bin/sh -c "/bin/kill -s TERM \$(/bin/cat /usr/local/nginx/logs/nginx.pid)"

[Install]
WantedBy=multi-user.target
EOF

    sudo /bin/mv /tmp/nginx.service /lib/systemd/system/nginx.service
    ck_ok "编辑nginx.service"

    echo "加载服务"
    sudo  systemctl unmask nginx.service
    sudo  systemctl daemon-reload
    sudo  systemctl enable nginx
    echo "启动Nginx"
    sudo  systemctl start nginx
    ck_ok "启动Nginx"
}

download_ng
install_ng