usr/src/lib/brand/solaris10/zone/uninstall.ksh

   1 #!/bin/ksh93 -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22 #
  23 # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26
  27 #
  28 # common shell script functions
  29 #
  30 . /usr/lib/brand/solaris10/common.ksh
  31 . /usr/lib/brand/shared/uninstall.ksh
  32
  33 #
  34 # options processing
  35 #
  36 # If we weren't passed at least two arguments, exit now.
  37 (( $# < 2 )) && exit $ZONE_SUBPROC_USAGE
  38
  39 zonename=$1
  40 zonepath=$2
  41
  42 shift 2
  43
  44 options="FhHnv"
  45 options_repeat=""
  46 options_seen=""
  47
  48 opt_F=""
  49 opt_n=""
  50 opt_v=""
  51
  52 # check for bad or duplicate options
  53 OPTIND=1
  54 while getopts $options OPT ; do
  55 case $OPT in
  56         \? ) usage_err ;; # invalid argument
  57         : ) usage_err ;; # argument expected
  58         * )
  59                 opt=`echo $OPT | sed 's/-\+//'`
  60                 if [ -n "$options_repeat" ]; then
  61                         echo $options_repeat | grep $opt >/dev/null
  62                         [ $? = 0 ] && break
  63                 fi
  64                 ( echo $options_seen | grep $opt >/dev/null ) &&
  65                         usage_err
  66                 options_seen="${options_seen}${opt}"
  67                 ;;
  68 esac
  69 done
  70
  71 # check for a help request
  72 OPTIND=1
  73 while getopts :$options OPT ; do
  74 case $OPT in
  75         h|H ) usage
  76 esac
  77 done
  78
  79 # process options
  80 OPTIND=1
  81 while getopts :$options OPT ; do
  82 case $OPT in
  83         F ) opt_F="-F" ;;
  84         n ) opt_n="-n" ;;
  85         v ) opt_v="-v" ;;
  86 esac
  87 done
  88 shift `expr $OPTIND - 1`
  89
  90 [ $# -gt 0 ]  && usage_err
  91
  92 #
  93 # main
  94 #
  95 zoneroot=$zonepath/root
  96
  97 nop=""
  98 if [[ -n "$opt_n" ]]; then
  99         nop="echo"
 100         #
 101         # in '-n' mode we should never return success (since we haven't
 102         # actually done anything). so override ZONE_SUBPROC_OK here.
 103         #
 104         ZONE_SUBPROC_OK=$ZONE_SUBPROC_FATAL
 105 fi
 106
 107 #
 108 # We want uninstall to work in the face of various problems, such as a
 109 # zone with no delegated root dataset or multiple active datasets, so we
 110 # don't use the common functions.  Instead, we do our own work and
 111 # are tolerant of errors.
 112 #
 113 uninstall_get_zonepath_ds
 114 uninstall_get_zonepath_root_ds
 115
 116 # find all the zone BE datasets.
 117 unset fs_all
 118 (( fs_all_c = 0 ))
 119 /sbin/zfs list -H -t filesystem -o name -r $ZONEPATH_RDS | while read fs; do
 120         # only look at filesystems directly below $ZONEPATH_RDS
 121         [[ "$fs" != ~()($ZONEPATH_RDS/+([^/])) ]] && continue
 122
 123         fs_all[$fs_all_c]=$fs
 124         (( fs_all_c = $fs_all_c + 1 ))
 125 done
 126
 127 destroy_zone_datasets
 128
 129 exit $ZONE_SUBPROC_OK