开发需求：
基于7.x YUM安装Docker；
Docker脚本参数指定CPU、内存、硬盘容量；
Docker自动检测局域网IP并赋予Docker虚拟机；
Docker基于pipework指定IP；
将创建的Docker虚拟机加入至CSV（Excel）或者MYSQL库；
脚本：#!/bin/bash #auto install docker and Create VM #by jfedu.net 2017 #Define PATH Varablies IPADDR=
ifconfig|grep -E "\<inet\>"|awk '{print $2}'|grep "192.168"|head -1GATEWAY=route -n|grep "UG"|awk '{print $2}'|grep "192.168"|head -1IPADDR_NET=ifconfig|grep -E "\<inet\>"|awk '{print $2}'|grep "192.168"|head -1|awk -F. '{print $1"."$2"."$3"."}'LIST="/root/docker_vmlist.csv" if [ ! -f /usr/sbin/ifconfig ];then yum install net-tools* -y fi for i inseq 1 253;do ping -c 1 ${IPADDR_NET}${i} ;[ $? -ne 0 ]&& DOCKER_IPADDR="${IPADDR_NET}${i}" &&break;done >>/dev/null 2>&1 echo "##################" echo -e "Dynamic get docker IP,The Docker IP address\n\n$DOCKER_IPADDR" NETWORK=( HWADDR=ifconfig eth0|grep ether|awk '{print $2}'IPADDR=ifconfig eth0|grep -E "\<inet\>"|awk '{print $2}'NETMASK=ifconfig eth0|grep -E "\<inet\>"|awk '{print $4}'GATEWAY=route -n|grep "UG"|awk '{print $2}') if [ -z "$1" -o -z "$2" ];then echo -e "\033[32m---------------------------------\033[0m" echo -e "\033[32mPlease exec $0 CPU(C) MEM(G),example $0 4 8\033[0m" exit 0 fi #CPU=expr $2 - 1if [ ! -e /usr/bin/bc ];then yum install bc -y >>/dev/null 2>&1 fi CPU_ALL=cat /proc/cpuinfo |grep processor|wc -lif [ ! -f $LIST ];then CPU_COUNT=$1
CPU_1="0" CPU1=expr $CPU_1 + 0CPU2=expr $CPU1 + $CPU_COUNT - 1if [ $CPU2 -gt $CPU_ALL ];then echo -e "\033[32mThe System CPU count is $CPU_ALL,not more than it.\033[0m" exit fi else CPU_COUNT=$1
CPU_1=cat $LIST|tail -1|awk -F"," '{print $4}'|awk -F"-" '{print $2}'CPU1=expr $CPU_1 + 1CPU2=expr $CPU1 + $CPU_COUNT - 1if [ $CPU2 -gt $CPU_ALL ];then echo -e "\033[32mThe System CPU count is $CPU_ALL,not more than it.\033[0m" exit fi fi MEM_F=echo $2 \* 1024|bcMEM=printf "%.0f\n" $MEM_FDISK=20 USER=$3 REMARK=$4 ping $DOCKER_IPADDR -c 1 >>/dev/null 2>&1 if [ $? -eq 0 ];then echo -e "\033[32m---------------------------------\033[0m" echo -e "\033[32mThe IP address to be used,Please change other IP,exit.\033[0m" exit 0 fi if [ ! -e /usr/bin/docker ];then yum install docker* device-mapper* lxc -y mkdir -p /export/docker/ cd /var/lib/ ;rm -rf docker ;ln -s /export/docker/ . mkdir -p /var/lib/docker/devicemapper/devicemapper dd if=/dev/zero of=/var/lib/docker/devicemapper/devicemapper/data bs=1G count=0 seek=2000 service docker start if [ $? -ne 0 ];then echo "Docker install error ,please check." exit fi ficd /etc/sysconfig/network-scripts/ mkdir -p /data/backup/
date +%Y%m%d-%H%Myes|cp ifcfg-eth* /data/backup/date +%Y%m%d-%H%M/ if [ -e /etc/sysconfig/network-scripts/ifcfg-br0 ];then echo else cat >ifcfg-eth0<<EOF DEVICE=eth0 BOOTPROTO=none ${NETWORK[0]} NM_CONTROLLED=no ONBOOT=yes TYPE=Ethernet BRIDGE="br0" ${NETWORK[1]} ${NETWORK[2]} ${NETWORK[3]} USERCTL=no EOF cat >ifcfg-br0 <<EOF DEVICE="br0" BOOTPROTO=none ${NETWORK[0]} IPV6INIT=no NM_CONTROLLED=no ONBOOT=yes TYPE="Bridge" ${NETWORK[1]} ${NETWORK[2]} ${NETWORK[3]} USERCTL=no EOF /etc/init.d/network restart fi echo 'Your can restart Ethernet Service: /etc/init.d/network restart !' echo '---------------------------------------------------------'cd - #######create docker container service docker status >>/dev/null if [ $? -ne 0 ];then service docker restart fi
NAME="Docker_
echo $DOCKER_IPADDR|awk -F"." '{print $(NF-1)"_"$NF}'" IMAGES=docker images|grep -v "REPOSITORY"|grep -v "none"|grep "centos"|head -1|awk '{print $1}'if [ -z $IMAGES ];then echo "Plesae Download Docker Centos Images,you can to be use docker search centos,and docker pull centos6.5-ssh,exit 0" if [ ! -f jfedu_centos68.tar ];then echo "Please upload jfedu_centos68.tar for docker server." exit fi cat jfedu_centos68.tar|docker import - jfedu_centos6.8 fi IMAGES=docker images|grep -v "REPOSITORY"|grep -v "none"|grep "centos"|head -1|awk '{print $1}'CID=$(docker run -itd --privileged --cpuset-cpus=${CPU1}-${CPU2} -m ${MEM}m --net=none --name=$NAME $IMAGES /bin/bash) echo $CID docker ps -a |grep "$NAME" pipework br0 $NAME $DOCKER_IPADDR/24@$IPADDR docker exec $NAME /etc/init.d/sshd start if [ ! -e $LIST ];then echo "编号,容器ID,容器名称,CPU,内存,硬盘,容器IP,宿主机IP,使用人,备注" >$LIST fi ################### NUM=cat $LIST |grep -v CPU|tail -1|awk -F, '{print $1}'if [[ $NUM -eq "" ]];then NUM="1" else NUM=expr $NUM + 1fi ################## echo -e "\033[32mCreate virtual client Successfully.\n$NUMecho $CID|cut -b 1-12,$NAME,$CPU1-$CPU2,${MEM}M,${DISK}G,$DOCKER_IPADDR,$IPADDR,$USER,$REMARK\033[0m" if [ -z $USER ];then USER="NULL" REMARK="NULL" fi echo $NUM,echo $CID|cut -b 1-12,$NAME,$CPU1-$CPU2,${MEM}M,${DISK}G,$DOCKER_IPADDR,$IPADDR,$USER,$REMARK >>$LIST rm -rf /root/docker_vmlist_* iconv -c -f utf-8 -t gb2312 $LIST -o /root/docker_vmlist_date +%H%M.csv
