7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 23,33 ****
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2015 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/zvol/zvol.cfg
  
--- 23,33 ----
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/zvol/zvol.cfg
  
*** 44,72 ****
          typeset savedumpdev
          typeset -i output
  
          create_pool $TESTPOOL "$disk"
  
!         log_must $ZFS create -V $size $TESTPOOL/$TESTVOL
  }
  
  #
  # Destroy the default zvol which was setup using
  # default_zvol_setup().
  #
  function default_zvol_cleanup
  {
          if datasetexists $TESTPOOL/$TESTVOL ; then
!                 log_must $ZFS destroy $TESTPOOL/$TESTVOL
          fi
  
          destroy_pool $TESTPOOL
  }
  
  function get_dumpdevice
  {
!         typeset ret=$($DUMPADM | $GREP "Dump device:" | $AWK '{print $3}')
          echo $ret
  }
  
  function set_dumpsize
  {
--- 44,72 ----
          typeset savedumpdev
          typeset -i output
  
          create_pool $TESTPOOL "$disk"
  
!         log_must zfs create -V $size $TESTPOOL/$TESTVOL
  }
  
  #
  # Destroy the default zvol which was setup using
  # default_zvol_setup().
  #
  function default_zvol_cleanup
  {
          if datasetexists $TESTPOOL/$TESTVOL ; then
!                 log_must zfs destroy $TESTPOOL/$TESTVOL
          fi
  
          destroy_pool $TESTPOOL
  }
  
  function get_dumpdevice
  {
!         typeset ret=$(dumpadm | grep "Dump device:" | awk '{print $3}')
          echo $ret
  }
  
  function set_dumpsize
  {
*** 75,93 ****
          if [[ -z $volume ]] ; then
                  log_note "No volume specified."
                  return 1
          fi
  
!         log_must $ZFS set volsize=64m $volume
  
!         output=$($DUMPADM -d /dev/zvol/dsk/$volume 2>&1 | \
!                         $TAIL -1 | $AWK '{print $3}')
  
          if [[ -n $output ]]; then
                  (( output = output / 1024 / 1024 ))
                  (( output = output + output / 5 ))
!                 log_must $ZFS set volsize=${output}m $volume
          fi
          return 0
  }
  
  function safe_dumpadm
--- 75,93 ----
          if [[ -z $volume ]] ; then
                  log_note "No volume specified."
                  return 1
          fi
  
!         log_must zfs set volsize=64m $volume
  
!         output=$(dumpadm -d /dev/zvol/dsk/$volume 2>&1 | \
!                         tail -1 | awk '{print $3}')
  
          if [[ -n $output ]]; then
                  (( output = output / 1024 / 1024 ))
                  (( output = output + output / 5 ))
!                 log_must zfs set volsize=${output}m $volume
          fi
          return 0
  }
  
  function safe_dumpadm
*** 99,115 ****
                  return 1
          fi
          if [[ $device == "/dev/zvol/dsk/"* ]] ; then
                  typeset volume=${device#/dev/zvol/dsk/}
                  set_dumpsize $volume
!                 log_must $DUMPADM -d $device
          else
!                 log_must $SWAPADD
                  if ! is_swap_inuse $device ; then
!                         log_must $SWAP -a $device
                  fi
!                 log_must $DUMPADM -d swap
          fi
  }
  
  function is_zvol_dumpified
  {
--- 99,115 ----
                  return 1
          fi
          if [[ $device == "/dev/zvol/dsk/"* ]] ; then
                  typeset volume=${device#/dev/zvol/dsk/}
                  set_dumpsize $volume
!                 log_must dumpadm -d $device
          else
!                 log_must swapadd
                  if ! is_swap_inuse $device ; then
!                         log_must swap -a $device
                  fi
!                 log_must dumpadm -d swap
          fi
  }
  
  function is_zvol_dumpified
  {
*** 118,128 ****
          if [[ -z $volume ]] ; then
                  log_note "No volume specified."
                  return 1
          fi
  
!         $ZDB -dddd $volume 2 | $GREP "dumpsize" > /dev/null 2>&1
          return $?
  }
  
  function is_swap_inuse
  {
--- 118,128 ----
          if [[ -z $volume ]] ; then
                  log_note "No volume specified."
                  return 1
          fi
  
!         zdb -dddd $volume 2 | grep "dumpsize" > /dev/null 2>&1
          return $?
  }
  
  function is_swap_inuse
  {
*** 131,138 ****
          if [[ -z $device ]] ; then
                  log_note "No device specified."
                  return 1
          fi
  
!         $SWAP -l | $GREP -w $device > /dev/null 2>&1
          return $?
  }
--- 131,138 ----
          if [[ -z $device ]] ; then
                  log_note "No device specified."
                  return 1
          fi
  
!         swap -l | grep -w $device > /dev/null 2>&1
          return $?
  }