mirror of
				https://github.com/apache/cloudstack.git
				synced 2025-10-26 08:42:29 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			134 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env bash
 | |
| # $Id: delvm.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/zfs/iscsi/delvm.sh $
 | |
| # delvm.sh -- delete a cloned image used for a vm
 | |
| #
 | |
| 
 | |
| usage() {
 | |
|   printf "Usage: %s: -i <instance-fs> -u <user fs>\n" $(basename $0) >&2
 | |
| }
 | |
| 
 | |
| 
 | |
| #set -x
 | |
| logzfs() {
 | |
|   if [ -z "$debug" ]
 | |
|   then
 | |
|     return
 | |
|   fi
 | |
|   local elapsed=0
 | |
|   printf "$(date +'%H:%M:%S') $*\n"  >&3
 | |
|   if [ "$(echo $1| awk '{print $1}')" == "start:" ]
 | |
|   then
 | |
|     start="$(/usr/gnu/bin/date +'%s')"
 | |
|     return
 | |
|   fi
 | |
|   if [ "$(echo $1| awk '{print $1}')" == "end:" ]
 | |
|   then
 | |
|     end="$(/usr/gnu/bin/date +'%s')"
 | |
|     let elapsed=end-start 
 | |
|     printf "t=$elapsed $*\n"  >&3
 | |
|   fi
 | |
| }
 | |
| get_instance() {
 | |
|   echo $(basename $1)
 | |
| }
 | |
| 
 | |
| iflag=
 | |
| uflag=
 | |
| userfs=
 | |
| instancefs=
 | |
| start=
 | |
| end=
 | |
| debug=1
 | |
| 
 | |
| while getopts 'i:u:' OPTION
 | |
| do
 | |
|   case $OPTION in
 | |
|   i)	iflag=1
 | |
| 		instancefs="$OPTARG"
 | |
| 		;;
 | |
|   u)	uflag=1
 | |
| 		userfs="$OPTARG"
 | |
| 		;;
 | |
|   ?)	usage
 | |
| 		exit 2
 | |
| 		;;
 | |
|   esac
 | |
| done
 | |
| 
 | |
| if [ "$iflag$uflag" != "1" -a "$iflag$uflag" != "11" ]
 | |
| then
 | |
|  usage
 | |
|  exit 2
 | |
| fi
 | |
| 
 | |
| if [[ -n $instancefs && ${instancefs:0:1} == / ]]
 | |
| then
 | |
|   instancefs=${instancefs:1}
 | |
| fi
 | |
| 
 | |
| if [[ -n $userfs && ${userfs:0:1} == / ]]
 | |
| then
 | |
|   userfs=${userfs:1}
 | |
| fi
 | |
| 
 | |
| if [[ "$iflag" == 1 && $(zfs get -H -o value -p type $instancefs) != filesystem  ]]
 | |
| then
 | |
|   printf "Supplied instance fs doesn't exist\n" >&2
 | |
|   exit 1
 | |
| fi
 | |
| 
 | |
| if [[ "$uflag" == 1 && $(zfs get -H -o value -p type $userfs) != filesystem ]]
 | |
| then
 | |
|   printf "Supplied user fs doesn't exist\n" >&2
 | |
|   exit 1
 | |
| fi
 | |
| instance=$(get_instance $instancefs)
 | |
| if [ -n "$debug" ]
 | |
| then
 | |
|   exec 3<>$(dirname $0)/../../logs/del$instance.log
 | |
| fi
 | |
| 
 | |
| if [ "$iflag" == 1 ] 
 | |
| then
 | |
|   printf "Going to destroy $instancefs and its children\n"
 | |
|   logzfs "start: zfs destroy -r -f $instancefs  "
 | |
|   zfs destroy -r -f $instancefs  
 | |
|   rc=$?
 | |
|   logzfs "end: zfs destroy -r -f $instancefs  "
 | |
|   if [ $rc -gt 0 ] 
 | |
|   then
 | |
|     numc=$(zfs list -Hr $instancefs 2> /dev/null| wc -l)
 | |
|     if [ "$numc" -eq 1 ]
 | |
|     then
 | |
|       printf "Trying again to destroy instance fs $instancefs \n" >&2
 | |
|       zfs destroy -r -f $instancefs  
 | |
|     else
 | |
|       printf "Failed to destroy instance fs $instancefs, numchildren=$numc\n" >&2
 | |
|       exit 5
 | |
|     fi
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| if [ "$uflag" == 1 ] 
 | |
| then
 | |
|   printf "Going to destroy $userfs and its children\n"
 | |
|   logzfs "start: zfs destroy -r -f $userfs"
 | |
|   zfs destroy -r -f $userfs  
 | |
|   rc=$?
 | |
|   logzfs "end: zfs destroy -r -f $userfs"
 | |
|   if [ $rc -gt 0 ] 
 | |
|   then
 | |
|     numc=$(zfs list -Hr $userfs 2> /dev/null| wc -l)
 | |
|     if [ "$numc" -eq 1 ]
 | |
|     then
 | |
|       printf "Trying again to destroy user fs $userfs \n" >&2
 | |
|       zfs destroy -r -f $userfs  
 | |
|     else
 | |
|       printf "Failed to destroy user fs $userfs, numchildren=$numc\n" >&2
 | |
|       exit 5
 | |
|     fi
 | |
|   fi
 | |
| fi
 | |
| 
 | |
| exit 0
 |