#!/bin/bash # # Install Cobbler(Kickstart) Tools for CentOS-6/7 # Created by OceanHo(gzhehai@foxmail.com) AT 2017-10-22 # # 操作系统发型主版本 os_release_ver=`sed -r 's#[a-zA-Z ]+(5|6|7)..*#1#g' /etc/redhat-release` # # cobbler settings 文件中的server参数 # auto：表示自动 从 net_bind_device 指定的设备中获取 # 也可以手动指定 cobbler_server_ip="auto" # # cobbler settings 文件中的next-server参数 # auto：表示自动 从 net_bind_device 指定的设备中获取 # 也可以手动指定 cobbler_next_server_ip="auto" # # cobbler 安装系统可以使用的默认密码（盐 / 密码：123456） password_salt="`openssl rand -base64 32`" default_password_crypted=`openssl passwd -1 -salt "${password_salt}" '123456'` # 123456 # # 定义一个变量，用来表示cobbler涉及到网络参数自动获取网卡设备名称 # 比如：dhcpd,cobbler的settings文件中涉及到的IP地址等等 # net_auto_dev="eth1" dhcpd_template_geturl="https://raw.githubusercontent.com/oceanho/my-shell/master/scripts/cobbler/dhcpd_172-16-1-0_24.template" dhcpd_bind_net_prefix="172.16.1" dhcpd_bind_net_subnet="172.16.1.0" dhcpd_bind_net_netmask="255.255.255.0" # 显示帮助 function help() { echo -e ` clear cat <<EOF 033[36m 功能 实现Cobbler程序一键安装和部署 参数 cobbler-server-ip，指定cobbler settings的server-ip参数，默认从net-auto-dev网卡设备中自动获取 cobbler-next-server-ip，指定cobbler settings的next-server-ip参数，默认从net-auto-dev网卡设备中自动获取 net-auto-dev，指定自动获取cobbler网络参数相关的配置参数网卡设备，默认eth1 举例 1、使用ens34网卡设备安装并绑定cobbler的服务（dhcp/tftp） ---------------------------------------------------- sh $# cobbler-server-ip=auto cobbler-next-server-ip=auto net-auto-dev=ens34 2、手动指定cobbler-server-ip 与 next-server-ip，dhcp.template 的子网,掩码等信息自动从eth1网卡上获取 -------------------------------------------------------------------------------------------------------- sh $# cobbler-server-ip=172.16.1.200 cobbler-next-server-ip=172.16.1.200 net-auto-dev=ens34 033[0m EOF ` } case "$1" in -h|--help|help|-help ) help exit 0 ;; esac # # 处理参数 # 参数格式要求 # key=value，比如 net-auto-dev=eth1 until [ $# -eq 0 ] do if egrep -q "[a-z-]+=.*"<<<"$1" then k=$(sed -r 's#([a-z-]+)=.*#1#g' <<<"$1") v=$(sed -r 's#[a-z-]+=(.*)#1#g' <<<"$1") case "$k" in "cobbler-server-ip" ) cobbler_server_ip=$v ;; "cobbler-next-server-ip" ) cobbler_next_server_ip=$v ;; "net-auto-dev" ) net_auto_dev=$v ;; esac fi shift done # # 根据传入的参数，初始化一些必须的参数，比如绑定dhcpd服务的网段地址，cobbler settings配置文件中涉及到的server的ip地址等参数的初始化 function init_param() { str=`ip addr show $net_auto_dev | awk -F"[ ]+" 'NR==3{print $3}'` if [ $? -ne 0 ] then echo -e " 33[31m 获取网卡配置信息失败. 33[0m" return 1 fi str_ip="${str%/*}" str_netmask="${str#*/}" # # 以下的写法只能支持 8/16/24 子网 case $str_netmask in "8" ) dhcpd_bind_net_prefix=`egrep -o "([0-9]+.){1}" <<<$str_ip` dhcpd_bind_net_subnet="${dhcpd_bind_net_prefix}0.0.0" dhcpd_bind_net_netmask="255.0.0.0" ;; "16" ) dhcpd_bind_net_prefix=`egrep -o "([0-9]+.){2}" <<<$str_ip` dhcpd_bind_net_subnet="${dhcpd_bind_net_prefix}0.0" dhcpd_bind_net_netmask="255.255.0.0" ;; "24" ) dhcpd_bind_net_prefix=`egrep -o "([0-9]+.){3}" <<<$str_ip` dhcpd_bind_net_subnet="${dhcpd_bind_net_prefix}0" dhcpd_bind_net_netmask="255.255.255.0" ;; esac if [ "$cobbler_server_ip" == "auto" ] then cobbler_server_ip=$str_ip fi if [ "$cobbler_next_server_ip" == "auto" ] then cobbler_next_server_ip=$str_ip fi } # # YUM of epel # 自动现在cobbler先决条件项目，比如epel源等、 # 说明：如果已经有了epel源，该函数不执行安装epel源的操作，如果没有epel源，自动安装阿里云的epel源 function install_pre_require() { echo -e " 33[36m Installing requires 33[0m" if [ `yum --disablerepo=* --enablerepo=epel repolist | grep -c epel` -eq 0 ] then wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-${os_release_ver}.repo fi echo -e " 33[32m requires Completed. 33[0m" } function install_cobbler_softs() { echo -e " 33[36m Installing cobbler-softs 33[0m" fix_missing_packages_for_centos7_epel yum -y install cobbler cobbler-web dhcp tftp-server pykickstart httpd if [ $? -ne 0 ] then echo -e " 33[31m Action failed. 33[0m" return 1 fi echo -e " 33[32m cobbler-softs Completed. 33[0m" } function fix_missing_packages_for_centos7_epel() { if [ $os_release_ver -eq 7 ] then # rpm -ql Django14 | wc -l || e echo -e " 33[33m May be miss Django14-1.4.21-1.el7.noarch. need you fixed. 33[0m" # yum -y localinstall fi } # # 配置DHCP服务 # 该函数会从远程主机下载，dhcpd.template 文件 # 说明：DHCP IP地址段是 100 - 254 function configure_dhcp_template() { echo -e " 33[36m Configure dhcp.template 33[0m" cp /etc/cobbler/dhcp.template{,$(date +%s).ori} wget -O /etc/cobbler/dhcp.template ${dhcpd_template_geturl} sed -i "21s#.*#subnet $dhcpd_bind_net_subnet netmask $dhcpd_bind_net_netmask {#" /etc/cobbler/dhcp.template sed -i "22s#.*# option subnet-mask ${dhcpd_bind_net_netmask};#" /etc/cobbler/dhcp.template sed -i "23s#.*# range dynamic-bootp ${dhcpd_bind_net_prefix}100 ${dhcpd_bind_net_prefix}254;#" /etc/cobbler/dhcp.template } function configure_tftpd() { echo -e " 33[36m Configure tftpd 33[0m" sed -i 's#yes#no#' /etc/xinetd.d/tftp } function configure_httpd() { echo -e " 33[36m Configure httpd 33[0m" } function sync_configure() { echo -e " 33[36m Sync cobbler settings 33[0m" cobbler sync } function restart_services() { echo -e " 33[36m Restart cobbler's services 33[0m" if [ $os_release_ver -ne 7 ] then /etc/init.d/cobblerd restart /etc/init.d/httpd restart /etc/init.d/xinetd restart else systemctl restart cobblerd.service systemctl restart httpd.service systemctl restart cobblerd.service systemctl restart xinetd.service fi } function configure_cobbler_services() { configure_dhcp_template configure_tftpd configure_httpd cp /etc/cobbler/settings{,$(date +%s).ori} # 备份 # 修改配置文件 sed -i "s/server: .*/server: ${cobbler_server_ip}/" /etc/cobbler/settings sed -i "s/next_server: .*/next_server: ${cobbler_next_server_ip}/" /etc/cobbler/settings sed -i 's/manage_dhcp: 0/manage_dhcp: 1/' /etc/cobbler/settings sed -i 's/pxe_just_once: 0/pxe_just_once: 1/' /etc/cobbler/settings # 限制客户端只能安装一次系统 sed -ri "/default_password_crypted/s#(.*: ).*#1"`openssl passwd -1 -salt 'oceanhoasdhakdhakjs' '123456'`"#" /etc/cobbler/settings #sed -i 's#yes#no#' /etc/xinetd.d/rsync sed -i 's#yes#no#' /etc/xinetd.d/tftp } # 程序入口 function main() { # 初始化参数 init_param install_pre_require install_cobbler_softs configure_cobbler_services sync_configure restart_services cobbler get-loaders sync_configure cobbler check } # 执行安装程序操作 main