clusterinit初始化环境脚本

我就是我 2022-01-07 00:13 276阅读 0赞

<pre name="code" class="html">#!/bin/bash
    
    [ -z $1 ] && echo input hostname && exit
    
    
    myname=$1
    
    ret=0
    
    if [[ $myname =~ ^node[1234]-f[0-9]*\.example\.com ]]
    then
    	ret=1
    fi
    
    if [[ $myname =~ ^lvs[12]-f[0-9]*\.example\.com ]]
    then
            ret=1
    fi
    
    
    
    [ $ret -ne 1 ] && echo wrong hostname && exit
    
    service NetworkManager stop
    chkconfig NetworkManager off
    
    
    fd=$(echo $myname | awk -F"-f" '{ print $2 }' | awk -F"." '{ print $1 }')
    
    
    hostname $myname
    sed -i "s/HOSTNAME=.*/HOSTNAME=$myname/" /etc/sysconfig/network
    
    cat > /etc/hosts << ENDF
    127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
    ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
    172.25.$fd.10 node1-f$fd.example.com
    172.25.$fd.11 node2-f$fd.example.com
    172.25.$fd.12 node3-f$fd.example.com
    172.25.$fd.13 node4-f$fd.example.com
    172.25.$fd.14 lvs1-f$fd.example.com
    172.25.$fd.15 lvs2-f$fd.example.com
    ENDF
    
    iptables -F
    service iptables save
    
    setenforce 0
    sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
    
    myip=$(awk -v name=$myname '{ if ( $2 ~ name ) { print $1 } }' /etc/hosts)
    
    cat > /etc/sysconfig/network-scripts/ifcfg-eth0 << ENDF
    DEVICE=eth0
    TYPE=Ethernet
    ONBOOT=yes
    NM_CONTROLLED=no
    BOOTPROTO=static
    DEFROUTE=yes
    PEERDNS=yes
    PEERROUTES=yes
    IPV4_FAILURE_FATAL=yes
    IPV6INIT=no
    NAME="System eth0"
    IPADDR=$myip
    NETMASK=255.255.255.0
    GATEWAY=172.25.$fd.254
    ENDF
    
    cat > /etc/sysconfig/network-scripts/ifcfg-eth2 << ENDF
    
    DEVICE=eth2
    TYPE=Ethernet
    ONBOOT=yes
    NM_CONTROLLED=no
    BOOTPROTO=static
    DEFROUTE=yes
    PEERDNS=yes
    PEERROUTES=yes
    IPV4_FAILURE_FATAL=yes
    IPV6INIT=no
    NAME="System eth2"
    IPADDR=192.168.122.4${myip##*.1}
    NETMASK=255.255.255.0
    
    ENDF
    
    cat > /etc/sysconfig/network-scripts/ifcfg-eth1 << ENDF
    DEVICE=eth1
    TYPE=Ethernet
    ONBOOT=no
    NM_CONTROLLED=no
    BOOTPROTO=none
    DEFROUTE=yes
    PEERDNS=yes
    PEERROUTES=yes
    IPV4_FAILURE_FATAL=yes
    IPV6INIT=no
    
    ENDF
    
    cat > /etc/yum.repos.d/cluster.repo << ENDF
    [HighAvailability]
    name = rhel6.5 repos HighAvailability
    baseurl = http://classroom.example.com/content/rhel6.5/x86_64/dvd/HighAvailability
    enable=1
    gpgcheck=0
    
    [LoadBalancer]
    name = rhel6.5 repos LoadBalancer
    baseurl = http://classroom.example.com/content/rhel6.5/x86_64/dvd/LoadBalancer
    enable=1
    gpgcheck=0
    
    [ResilientStorage]
    name = rhel6.5 repos ResilientStorage
    baseurl = http://classroom.example.com/content/rhel6.5/x86_64/dvd/ResilientStorage
    enable=1
    gpgcheck=0
    
    [ScalableFileSystem]
    name = rhel6.5 repos ScalableFileSystem
    baseurl = http://classroom.example.com/content/rhel6.5/x86_64/dvd/ScalableFileSystem
    enable=1
    gpgcheck=0
    
    ENDF

转载于:https://www.cnblogs.com/lihuaichen/p/8270172.html