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

   1 #!/bin/ksh -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 . /usr/lib/brand/solaris10/common.ksh
  28
  29 m_usage=$(gettext "solaris10 brand usage: clone {sourcezone}.")
  30 f_nosource=$(gettext "Error: unable to determine source zone dataset.")
  31 f_sysunconfig=$(gettext "Error: sys-unconfig failed.")
  32
  33 # Other brand clone options are invalid for this brand.
  34 while getopts "R:z:" opt; do
  35         case $opt in
  36                 R)      ZONEPATH="$OPTARG" ;;
  37                 z)      ZONENAME="$OPTARG" ;;
  38                 *)      printf "$m_usage\n"
  39                         exit $ZONE_SUBPROC_USAGE;;
  40         esac
  41 done
  42 shift $((OPTIND-1))
  43
  44 if [ $# -ne 1 ]; then
  45         fail_usage "$0 {sourcezone}";
  46 fi
  47
  48 ZONEROOT="$ZONEPATH/root"
  49 sourcezone=$1
  50
  51 # Find the active source zone dataset to clone.
  52 sourcezonepath=`/usr/sbin/zonecfg -z $sourcezone info zonepath | \
  53     /usr/bin/cut -f2 -d' '`
  54 if [ -z "$sourcezonepath" ]; then
  55         fail_fatal "$f_nosource"
  56 fi
  57
  58 get_zonepath_ds $sourcezonepath
  59 get_active_ds $ZONEPATH_DS
  60 ACTIVE_SRC=$ACTIVE_DS
  61
  62 #
  63 # Now set up the zone's datasets
  64 #
  65
  66 #
  67 # First make the top-level dataset.
  68 #
  69
  70 pdir=`/usr/bin/dirname $ZONEPATH`
  71 zpname=`/usr/bin/basename $ZONEPATH`
  72
  73 get_zonepath_ds $pdir
  74 zpds=$ZONEPATH_DS
  75
  76 # Create the datasets.
  77 /usr/sbin/zfs create $zpds/$zpname
  78 if (( $? != 0 )); then
  79         fail_fatal "$f_zfs_create"
  80 fi
  81
  82 /usr/sbin/zfs create -o mountpoint=legacy -o zoned=on $zpds/$zpname/ROOT
  83 if (( $? != 0 )); then
  84         fail_fatal "$f_zfs_create"
  85 fi
  86
  87 # make snapshot
  88 SNAPNAME=${ZONENAME}_snap
  89 SNAPNUM=0
  90 while [ $SNAPNUM -lt 100 ]; do
  91         zfs snapshot $ACTIVE_SRC@$SNAPNAME
  92         if [ $? = 0 ]; then
  93                 break
  94         fi
  95         SNAPNUM=`expr $SNAPNUM + 1`
  96         SNAPNAME="${ZONENAME}_snap$SNAPNUM"
  97 done
  98
  99 if [ $SNAPNUM -ge 100 ]; then
 100         fail_fatal "$f_zfs_create"
 101 fi
 102
 103 # do clone
 104 get_active_ds $zpds/$zpname
 105 zfs clone -o canmount=noauto $ACTIVE_SRC@$SNAPNAME $ACTIVE_DS
 106 (( $? != 0 )) && fail_fatal "$f_zfs_create"
 107
 108 if [ ! -d $ZONEROOT ]; then
 109         mkdir -p $ZONEROOT || fail_fatal "$f_mkdir" "$ZONEROOT"
 110         chmod 700 $ZONEPATH || fail_fatal "$f_chmod" "$ZONEPATH"
 111 fi
 112
 113 mount -F zfs $ACTIVE_DS $ZONEROOT || fail_fatal "$f_zfs_mount"
 114
 115 # Don't re-sysunconfig if we've already done so
 116 if [[ ! -f $ZONEROOT/etc/.UNCONFIGURED ]]; then
 117         /usr/sbin/zoneadm -z $ZONENAME boot -f -- -m milestone=none
 118         if (( $? != 0 )); then
 119                 error "$e_badboot"
 120                 fail_incomplete "$f_sysunconfig"
 121         fi
 122
 123         sysunconfig_zone
 124         if (( $? != 0 )); then
 125                 /usr/sbin/zoneadm -z $ZONENAME halt
 126                 fail_incomplete "$f_sysunconfig"
 127         fi
 128
 129         /usr/sbin/zoneadm -z $ZONENAME halt
 130 fi
 131
 132 # Add a service tag for this zone.
 133 add_svc_tag "$ZONENAME" "clone $sourcezone"
 134
 135 exit $ZONE_SUBPROC_OK