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>

*** 24,34 ****
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  . $STF_SUITE/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
  . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
--- 24,34 ----
  # 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/cli_root/zfs_rollback/zfs_rollback_common.kshlib
  . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
*** 52,106 ****
  {
          typeset snap=""
          typeset fs=""
  
          export __ZFS_POOL_RESTRICT="$TESTPOOL"
!         log_must $ZFS mount -a
          unset __ZFS_POOL_RESTRICT
  
          for snap in "$SNAPPOOL.1" "$SNAPPOOL"
          do
                  snapexists $snap
                  [[ $? -eq 0 ]] && \
!                         log_must $ZFS destroy $snap
          done
  
          for fs in "$TESTPOOL/$TESTFILE/$TESTFILE.1" "$TESTPOOL/$TESTFILE"
          do
                  datasetexists $fs
                  [[ $? -eq 0 ]] && \
!                         log_must $ZFS destroy -r $fs
          done
  
          [[ -e /$TESTPOOL ]] && \
!                 log_must $RM -rf $TESTPOOL/*
  }
  
  log_assert "Verify rollback succeeds when there are nested file systems."
  
  log_onexit cleanup
  
! log_must $ZFS snapshot $SNAPPOOL
! log_must $ZFS rollback $SNAPPOOL
! log_mustnot $ZFS snapshot $SNAPPOOL
  
! log_must $TOUCH /$TESTPOOL/$TESTFILE
  
! log_must $ZFS rollback $SNAPPOOL
! log_must $ZFS create $TESTPOOL/$TESTFILE
  
! log_must $ZFS rollback $SNAPPOOL
  
  log_note "Verify rollback of multiple nested file systems succeeds."
! log_must $ZFS snapshot $TESTPOOL/$TESTFILE@$TESTSNAP
! log_must $ZFS snapshot $SNAPPOOL.1
  
  export __ZFS_POOL_RESTRICT="$TESTPOOL"
! log_must $ZFS unmount -a
! log_must $ZFS mount -a
  unset __ZFS_POOL_RESTRICT
  
! log_must $TOUCH /$TESTPOOL/$TESTFILE/$TESTFILE.1
  
! log_must $ZFS rollback $SNAPPOOL.1
  
  log_pass "Rollbacks succeed when nested file systems are present."
--- 52,106 ----
  {
          typeset snap=""
          typeset fs=""
  
          export __ZFS_POOL_RESTRICT="$TESTPOOL"
!         log_must zfs mount -a
          unset __ZFS_POOL_RESTRICT
  
          for snap in "$SNAPPOOL.1" "$SNAPPOOL"
          do
                  snapexists $snap
                  [[ $? -eq 0 ]] && \
!                         log_must zfs destroy $snap
          done
  
          for fs in "$TESTPOOL/$TESTFILE/$TESTFILE.1" "$TESTPOOL/$TESTFILE"
          do
                  datasetexists $fs
                  [[ $? -eq 0 ]] && \
!                         log_must zfs destroy -r $fs
          done
  
          [[ -e /$TESTPOOL ]] && \
!                 log_must rm -rf $TESTPOOL/*
  }
  
  log_assert "Verify rollback succeeds when there are nested file systems."
  
  log_onexit cleanup
  
! log_must zfs snapshot $SNAPPOOL
! log_must zfs rollback $SNAPPOOL
! log_mustnot zfs snapshot $SNAPPOOL
  
! log_must touch /$TESTPOOL/$TESTFILE
  
! log_must zfs rollback $SNAPPOOL
! log_must zfs create $TESTPOOL/$TESTFILE
  
! log_must zfs rollback $SNAPPOOL
  
  log_note "Verify rollback of multiple nested file systems succeeds."
! log_must zfs snapshot $TESTPOOL/$TESTFILE@$TESTSNAP
! log_must zfs snapshot $SNAPPOOL.1
  
  export __ZFS_POOL_RESTRICT="$TESTPOOL"
! log_must zfs unmount -a
! log_must zfs mount -a
  unset __ZFS_POOL_RESTRICT
  
! log_must touch /$TESTPOOL/$TESTFILE/$TESTFILE.1
  
! log_must zfs rollback $SNAPPOOL.1
  
  log_pass "Rollbacks succeed when nested file systems are present."