DOCKER脚本一例---快速建立大批测试机
这个会由一系列的脚本构成，比如：系统重启后，如何快速恢复服务，如何建立网桥（也可一次写入），如何在新系统上快速部署。
ADDBRIDGE
#!/bin/sh
br_name=br100
brctl addbr $br_name
ip addr add 192.168.X.X/D dev $br_name
ip addr del 192.168.X.X/D dev eth0
ip link set $br_name up
brctl addif $br_name eth0
ip route del default
ip route add default via X.X.X.X dev $br_name
ADDDOCKER
#!/bin/sh
br_name=br100
gateway='x.x.x.x'
function run_docker()
{
#docker run -t -i -d --name="net_test" --net=none jdeathe/centos-ssh /bin/bash
cid=$(docker run-i -t -d --name=$1--net=none$3 /bin/bash)
pid=$(docker inspect -f '{{.State.Pid}}' $cid)
# set up netns
mkdir -p /var/run/netns
ln -s /proc/$pid/ns/net /var/run/netns/$pid
# set up bridge
ip link add q$pid type veth peer name r$pid
brctl addif $br_name q$pid
ip link set q$pid up
# set up docker interface
fixed_ip=$2
ip link set r$pid netns $pid
ip netns exec $pid ip link set dev r$pid name eth0
ip netns exec $pid ip link set eth0 up
ip netns exec $pid ip addr add $fixed_ip dev eth0
ip netns exec $pid ip route del default
ip netns exec $pid ip route add default via $gateway
}
echo "Usage: ./docker -f demo-data"
while getopts :f:h file_name
do
case $file_name in
f) cat $OPTARG | while read line
do
arr_var=(${line})
run_docker ${arr_var}${arr_var} ${arr_var}
done
;;
h) echo "Usage: ./docker -f demo-data"
exit 1
;;
\?) echo "Usage: ./docker -f demo-data"
exit 1
;;
:) echo "Usage: ./docker -f demo-data"
exit 1
;;
esac
done
http://images.cnitblog.com/blog/465438/201502/171857112368125.png
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