1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 
  27 #
  28 # Copyright (c) 2013 by Delphix. All rights reserved.
  29 #
  30 
  31 #
  32 # Simple function to get the source of the specified property.
  33 # If unable to get the property then exits.
  34 #
  35 function get_prop_src # property dataset
  36 {
  37         typeset prop_val
  38         typeset prop=$1
  39         typeset dataset=$2
  40 
  41         prop_val=`$ZFS get -H -o source $prop $dataset`
  42 
  43         if [[ $? -ne 0 ]]; then
  44                 log_fail "Unable to determine the source of $prop " \
  45                         "property for dataset $dataset"
  46         else
  47                 echo $prop_val
  48         fi
  49 }
  50 
  51 #
  52 # Function to check the 'source' of a property. The source can
  53 # either be "default", "local", or "inherited from <parent dataset>".
  54 #
  55 # The 'expected src' argument must be either "default", "local", or
  56 # a dataset name.
  57 #
  58 # Returns 0 on success, 1 on failure.
  59 #
  60 function verify_prop_src # child_dataset property expected_src
  61 {
  62         typeset target=$1
  63         typeset prop=$2
  64         typeset expected=$3
  65 
  66         prop_src=`get_prop_src $prop $target`
  67 
  68         #
  69         # Rather than just checking if $prop_src == $expected
  70         # we first determine what value $expected should have.
  71         # This allows us to catch the case where a property
  72         # has a source of "local" but we expected it to be
  73         # "default"
  74         #
  75         if [[ $expected == "default" ]]; then
  76                 if [[ $prop_src != $expected ]]; then
  77                         log_note "Property $prop of $target has source"\
  78                                 " $prop_src rather than $expected"
  79                         return 1
  80                 fi
  81         elif [[ $expected == "local" ]]; then
  82                 if [[ $prop_src != $expected ]]; then
  83                         log_note "Property $prop of $target has source"\
  84                                 " $prop_src rather than $expected"
  85                         return 1
  86                 fi
  87         elif [[ $prop_src != "inherited from $expected" ]]; then
  88                 log_note "Property $prop of $expected has source $prop_src"\
  89                         " rather than 'inherited from $expected'"
  90                 return 1
  91         fi
  92 
  93         return 0
  94 }
  95 
  96 #
  97 # Simple function to set a property to a
  98 # specified value and verify it has changed
  99 # correctly.
 100 #
 101 function set_n_verify_prop #property value dataset
 102 {
 103         typeset prop=$1
 104         typeset prop_val=$2
 105         typeset dataset=$3
 106 
 107         $ZFS set $prop=$prop_val $dataset
 108         check_val=`get_prop $prop $dataset`
 109 
 110         if [[ $check_val != $prop_val ]]; then
 111                 log_fail "Property $prop of $dataset has value $check_val"\
 112                         " rather than $prop_val"
 113         fi
 114 }