openstack根据软件选择实例resume
这是为我们项目所写的一个脚本，用来根据实例的metadata以及所需要开启的软件来启动相应的一个实例1
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#!/bin/bash
#used to resume a instance from a suspended statue instance
#by find a instance who's metadata containing software named $1
#list_00 used to save all id of suspended instances
nova list 2>/dev/null| grep SUSPENDED | awk '{print $2}' >> list_00
#list_01 used to save all ip of suspended instances
#list_02 used to save all metadata of suspended instances
for i in `cat list_00`
do
nova show $i 2>/dev/null | sed -n "/network/p" | awk '{print $6}' >> list_01
nova show $i 2>/dev/null | sed -n "/metadata/p" | awk '{print $5}' >> list_02
done
#by finding a metadata containing software and get the id and ip
a=0
for i in `cat list_02`
do
let "a += 1"
echo $i | grep $1
if [ $? -eq 0 ]
then
nova resume `sed -n ${a}p list_00` 2>/dev/null
sed -n "${a}p" list_01 2>/dev/null
sed -n "${a}p" list_02 2>/dev/null | sed -n 's/u//p' | sed -n 's/}//p'
break
fi
done
rm list_00
rm list_01
rm list_02
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