OpenStack 环境下 SHELL 编程练习（持续更新中）

#!/bin/bash
#文件功能：文件内容打印输出到屏幕上，并在每一行前面加上字符串“nova delete ”
WORK_PATH="/root/gsd/shell"
function method1()
{
for i in `cat $WORK_PATH/file1`
do
  echo "nova delete "$i
done
}
function method2()
{
 sed   ‘s/^/nova delete /g‘ $WORK_PATH/file1 
}
method2

#!/bin/bash
#文件功能：创建一台虚拟机，并将此虚拟机的id、所在物理机、创建时间输出到文件result里
WORK_PATH="/root/gsd/shell"
#声明环境变量
source /root/.admin-openrc.sh 
#判断日志文件是否存在
LOG_FILE=$WORK_PATH/instance.log
if [ ! -f $LOG_FILE ];then
  touch $LOG_FILE
  printf "%-40s%-15s%-25s%-10s%sn" "UUID" "NAME" "CREATE_TIME" "NODE" "VNC" > $LOG_FILE
fi
#虚拟机类型
FLAVOR=2C4G
#子网ID
NET_ID=141247b7-30cc-49ca-a485-578ce3d4ece2
#镜像ID
IMG_ID=e7348615-8de4-49e6-8466-794ed4572df4
#磁盘类型
SOURCE=image
#存储位置
DEST=volume
#存储大小
VOLUME_SIZE=20
#虚拟机名称
NAME=gsd-vm3
UUID=
CREATE_TIME=
NODE=
NOVNC=
VM_STATUS=
create()
{
  UUID=`nova boot --flavor $FLAVOR --nic net-id=$NET_ID --block-device source=$SOURCE,id=$IMG_ID,dest=$DEST,size=$VOLUME_SIZE,shutdown=preserve,bootindex=0 $NAME |grep -w ‘id‘|awk ‘{print 
$4}‘`
  if [ $? -ne 0 ]; then
      echo "the instance create fail"
      exit
  else
      echo "the instance create success"
  fi
}
info()
{
  CREATE_TIME=`nova show $UUID|grep -w "created"|awk ‘{print $4}‘`
  NODE=`nova show $UUID|grep -w "OS-EXT-SRV-ATTR:host"|awk ‘{print $4}‘`
  NOVNC=`nova get-vnc-console $UUID novnc |grep ‘http‘|awk ‘{print $4}‘`
  printf "%-40s%-15s%-25s%-10s%sn" "$UUID" "$NAME" "$CREATE_TIME" "$NODE" "$NOVNC" >> $LOG_FILE
}
create
echo "Please wait...."
sleep 20s
info
echo "DONE"