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141 lines
5.9 KiB
Bash
141 lines
5.9 KiB
Bash
#!/bin/bash
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#
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#************************************************************************************************************
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#Author: Raymond
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#QQ: 88563128
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#Date: 2024-01-26
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#FileName: install_keepalived_v2.sh
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#URL: raymond.blog.csdn.net
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#Description: install_keepalived for CentOS 7 & CentOS Stream 8/9 & Ubuntu 18.04/20.04/22.04 & Rocky 8/9
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#Copyright (C): 2024 All rights reserved
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#************************************************************************************************************
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SRC_DIR=/usr/local/src
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COLOR="echo -e \\033[01;31m"
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END='\033[0m'
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KEEPALIVED_URL=https://keepalived.org/software/
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KEEPALIVED_FILE=keepalived-2.2.8.tar.gz
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KEEPALIVED_INSTALL_DIR=/apps/keepalived
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CPUS=`lscpu |awk '/^CPU\(s\)/{print $2}'`
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NET_NAME=`ip a |awk -F"[: ]" '/^2/{print $3}'`
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VIP=172.31.0.180
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os(){
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OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`
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OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`
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}
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check_file (){
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cd ${SRC_DIR}
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if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;then
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rpm -q wget &> /dev/null || { ${COLOR}"安装wget工具，请稍等..."${END};yum -y install wget &> /dev/null; }
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fi
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if [ ! -e ${KEEPALIVED_FILE} ];then
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${COLOR}"缺少${KEEPALIVED_FILE}文件,如果是离线包,请放到${SRC_DIR}目录下"${END}
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${COLOR}'开始下载Keepalived源码包'${END}
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wget ${KEEPALIVED_URL}${KEEPALIVED_FILE} || { ${COLOR}"Keepalived源码包下载失败"${END}; exit; }
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else
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${COLOR}"${KEEPALIVED_FILE}文件已准备好"${END}
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fi
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}
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install_keepalived(){
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${COLOR}"开始安装Keepalived，请稍等..."${END}
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${COLOR}"开始安装Keepalived依赖包，请稍等..."${END}
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if [ ${OS_ID} == "Rocky" -a ${OS_RELEASE_VERSION} == 8 ];then
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MIRROR=mirrors.sjtug.sjtu.edu.cn
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if [ `grep -R "\[powertools\]" /etc/yum.repos.d/*.repo` ];then
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dnf config-manager --set-enabled powertools
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else
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cat > /etc/yum.repos.d/PowerTools.repo <<-EOF
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[PowerTools]
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name=PowerTools
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baseurl=https://${MIRROR}/rocky/\$releasever/PowerTools/\$basearch/os/
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gpgcheck=1
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gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
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EOF
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fi
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fi
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if [ ${OS_ID} == "CentOS" -a ${OS_RELEASE_VERSION} == 8 ];then
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MIRROR=mirrors.aliyun.com
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if [ `grep -R "\[powertools\]" /etc/yum.repos.d/*.repo` ];then
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dnf config-manager --set-enabled powertools
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else
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cat > /etc/yum.repos.d/PowerTools.repo <<-EOF
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[PowerTools]
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name=PowerTools
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baseurl=https://${MIRROR}/centos/\$stream/PowerTools/\$basearch/os/
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gpgcheck=1
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gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
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EOF
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fi
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fi
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if [ ${OS_RELEASE_VERSION} == 9 ];then
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yum -y install make gcc ipvsadm autoconf automake openssl-devel libnl3-devel iptables-devel ipset file net-snmp-devel glib2-devel pcre2-devel libnftnl libmnl systemd-devel &> /dev/null
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elif [ ${OS_RELEASE_VERSION} == 8 ];then
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yum -y install make gcc ipvsadm autoconf automake openssl-devel libnl3-devel iptables-devel ipset-devel file-devel net-snmp-devel glib2-devel pcre2-devel libnftnl-devel libmnl-devel systemd-devel &> /dev/null
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elif [ ${OS_RELEASE_VERSION} == 7 ];then
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yum -y install make gcc libnfnetlink-devel libnfnetlink ipvsadm libnl libnl-devel libnl3 libnl3-devel lm_sensors-libs net-snmp-agent-libs net-snmp-libs openssh-server openssh-clients openssl openssl-devel automake iproute &> /dev/null
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elif [ ${OS_RELEASE_VERSION} == "20" -o ${OS_RELEASE_VERSION} == "22" ];then
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apt update &> /dev/null;apt -y install make gcc ipvsadm build-essential pkg-config automake autoconf libipset-dev libnl-3-dev libnl-genl-3-dev libssl-dev libxtables-dev libip4tc-dev libip6tc-dev libipset-dev libmagic-dev libsnmp-dev libglib2.0-dev libpcre2-dev libnftnl-dev libmnl-dev libsystemd-dev
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else
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apt update &> /dev/null;apt -y install make gcc ipvsadm build-essential pkg-config automake autoconf iptables-dev libipset-dev libnl-3-dev libnl-genl-3-dev libssl-dev libxtables-dev libip4tc-dev libip6tc-dev libipset-dev libmagic-dev libsnmp-dev libglib2.0-dev libpcre2-dev libnftnl-dev libmnl-dev libsystemd-dev &> /dev/null
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fi
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tar xf ${KEEPALIVED_FILE}
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KEEPALIVED_DIR=`echo ${KEEPALIVED_FILE} | sed -nr 's/^(.*[0-9]).*/\1/p'`
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cd ${KEEPALIVED_DIR}
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./configure --prefix=${KEEPALIVED_INSTALL_DIR} --disable-fwmark
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make -j $CPUS && make install
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[ $? -eq 0 ] && $COLOR"Keepalived编译安装成功"$END || { $COLOR"Keepalived编译安装失败,退出!"$END;exit; }
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[ -d /etc/keepalived ] || mkdir -p /etc/keepalived &> /dev/null
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read -p "请输入是主服务端或备用服务端，例如（MASTER或BACKUP）: " STATE
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read -p "请输入优先级，例如（100或80）: " PRIORITY
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cat > /etc/keepalived/keepalived.conf <<EOF
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! Configuration File for keepalived
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global_defs {
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notification_email {
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acassen@firewall.loc
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failover@firewall.loc
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sysadmin@firewall.loc
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}
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notification_email_from Alexandre.Cassen@firewall.loc
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smtp_server 192.168.200.1
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smtp_connect_timeout 30
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router_id LVS_DEVEL
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vrrp_skip_check_adv_addr
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vrrp_strict
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vrrp_garp_interval 0
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vrrp_gna_interval 0
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}
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vrrp_instance VI_1 {
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state ${STATE}
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interface ${NET_NAME}
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virtual_router_id 51
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priority ${PRIORITY}
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advert_int 1
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authentication {
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auth_type PASS
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auth_pass 1111
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}
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virtual_ipaddress {
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${VIP} dev ${NET_NAME} label ${NET_NAME}:1
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}
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}
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EOF
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cp ./keepalived/keepalived.service /lib/systemd/system/
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echo "PATH=${KEEPALIVED_INSTALL_DIR}/sbin:${PATH}" > /etc/profile.d/keepalived.sh
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systemctl daemon-reload
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systemctl enable --now keepalived &> /dev/null
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systemctl is-active keepalived &> /dev/null || { ${COLOR}"Keepalived 启动失败,退出!"${END} ; exit; }
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${COLOR}"Keepalived安装完成"${END}
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}
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main(){
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os
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check_file
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install_keepalived
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}
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main
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