#!/bin/bash
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# 系统网络配置文件
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NETWORK_CONFIG_FILE="/etc/network/interfaces"
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LOG_FILE="/opt/vasystem/script/netconfig.log"
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ES_SERVICE_UPDATE="/opt/vasystem/script/updateAllIp.sh"
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# basic系统服务关闭脚本
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SERVICE_STOP_CMD=""
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# basic系统服务启动脚本
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SERVICE_START_CMD=""
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INTERFACE="$1"
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IPADDR="$2"
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NETMASK="$3"
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GATEWAY="$4"
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DNSSERVER="$5"
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Usage(){
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cat <<EOF
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$0 : missing operand
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Usage:
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$0 <ifname> <ipaddr> <netmask> <gateway> [dns-server]
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EOF
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exit 1
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}
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n_log() {
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v_time=$(date "+%Y-%m-%d %H:%M:%S")
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echo "$v_time $*" >>$LOG_FILE
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}
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write_interfaces()
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{
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echo "auto lo
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iface lo inet loopback
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auto $INTERFACE
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iface $INTERFACE inet static
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address $IPADDR
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netmask $NETMASK
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gateway $GATEWAY
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dns-nameserver $DNSSERVER
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" > $NETWORK_CONFIG_FILE
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ret=$?
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n_log "write_interfaces. ret: $ret"
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return $ret
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}
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validate_ip()
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{
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if [[ $1 =~ ^([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$ ]]; then
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return 0
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fi
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return 1
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}
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network_restart()
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{
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# 重启网络
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/etc/init.d/networking restart
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ip addr flush dev $INTERFACE
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ifdown $INTERFACE
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ifup $INTERFACE
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n_log "network restart."
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sleep 3
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}
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service_restart()
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{
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# 重启ES weedfs 服务
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[ -f "$ES_SERVICE_UPDATE" ] && {
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su - basic -c "sh ES_SERVICE_UPDATE &"
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}
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n_log "service restart." >>$LOG_FILE
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# 重启basic服务
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su - basic -c "sh /opt/startAllServices.sh &"
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}
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# Start Execution
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n_log "Start NetConfig Execution, CMD: $*"
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# 校验参数个数
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if [ $# -lt 4 ]; then
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Usage
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fi
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# 验证接口是否存在
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ifconfig | grep -q $INTERFACE || exit 1
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# 校验IP合法性
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i=0
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while [ $# -ne 0 ]
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do
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if [ $i -gt 0 -a $i -lt 4 ]; then
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validate_ip $1 || exit 1
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fi
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shift
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let i+=1
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done
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if [ "$DNSSERVER" == "" ]; then
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DNSSERVER=$GATEWAY
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fi
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# 配置接口
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write_interfaces || {
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echo -n "write interfaces failure"
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exit 1
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}
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# 重启网络
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network_restart
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# 重启相关服务, 不更改ip的情况下, 重启网络即可
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localip=$(/sbin/ifconfig $INTERFACE | grep inet | grep -v inet6 | awk '{printf $2}' | tr -d "addr:")
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if [ "$localip" = "$IPADDR" ]; then
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service_restart
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fi
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exit 0
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