tests/zfs-tests/tests/functional/snapshot/rollback_003_pos.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 #
  24 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 #
  29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  30 #
  31
  32 . $STF_SUITE/include/libtest.shlib
  33 . $STF_SUITE/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
  34 . $STF_SUITE/tests/functional/snapshot/snapshot.cfg
  35
  36
  37 #
  38 # DESCRIPTION:
  39 # Verify that rollbacks succeed when there are nested file systems.
  40 #
  41 # STRATEGY:
  42 # 1) Snapshot an empty file system and rollback
  43 # 2) Create a file in the file system
  44 # 3) Rollback the file system to empty
  45 # 4) Create a nested file system with the same name as the file created in (2)
  46 # 5) Verify a rollback succeeds
  47 #
  48
  49 verify_runnable "both"
  50
  51 # https://github.com/zfsonlinux/zfs/issues/6143
  52 if is_linux; then
  53         log_unsupported "Test case occasionally fails"
  54 fi
  55
  56 function cleanup
  57 {
  58         typeset snap=""
  59         typeset fs=""
  60
  61         export __ZFS_POOL_RESTRICT="$TESTPOOL"
  62         log_must zfs mount -a
  63         unset __ZFS_POOL_RESTRICT
  64
  65         for snap in "$SNAPPOOL.1" "$SNAPPOOL"
  66         do
  67                 snapexists $snap
  68                 [[ $? -eq 0 ]] && \
  69                         log_must zfs destroy $snap
  70         done
  71
  72         for fs in "$TESTPOOL/$TESTFILE/$TESTFILE.1" "$TESTPOOL/$TESTFILE"
  73         do
  74                 datasetexists $fs
  75                 [[ $? -eq 0 ]] && \
  76                         log_must zfs destroy -r $fs
  77         done
  78
  79         [[ -e /$TESTPOOL ]] && \
  80                 log_must rm -rf $TESTPOOL/*
  81 }
  82
  83 log_assert "Verify rollback succeeds when there are nested file systems."
  84
  85 log_onexit cleanup
  86
  87 log_must zfs snapshot $SNAPPOOL
  88 log_must zfs rollback $SNAPPOOL
  89 log_mustnot zfs snapshot $SNAPPOOL
  90
  91 log_must touch /$TESTPOOL/$TESTFILE
  92
  93 log_must zfs rollback $SNAPPOOL
  94 log_must zfs create $TESTPOOL/$TESTFILE
  95
  96 log_must zfs rollback $SNAPPOOL
  97
  98 log_note "Verify rollback of multiple nested file systems succeeds."
  99 log_must zfs snapshot $TESTPOOL/$TESTFILE@$TESTSNAP
 100 log_must zfs snapshot $SNAPPOOL.1
 101
 102 export __ZFS_POOL_RESTRICT="$TESTPOOL"
 103 log_must zfs unmount -a
 104 log_must zfs mount -a
 105 unset __ZFS_POOL_RESTRICT
 106
 107 log_must touch /$TESTPOOL/$TESTFILE/$TESTFILE.1
 108
 109 log_must zfs rollback $SNAPPOOL.1
 110
 111 log_pass "Rollbacks succeed when nested file systems are present."