tests/zfs-tests/include/properties.shlib

   1 #
   2 # This file and its contents are supplied under the terms of the
   3 # Common Development and Distribution License ("CDDL"), version 1.0.
   4 # You may only use this file in accordance with the terms of version
   5 # 1.0 of the CDDL.
   6 #
   7 # A full copy of the text of the CDDL should have accompanied this
   8 # source.  A copy of the CDDL is also available via the Internet at
   9 # http://www.illumos.org/license/CDDL.
  10 #
  11
  12 #
  13 # Copyright (c) 2012, 2016, Delphix. All rights reserved.
  14 #
  15
  16 typeset -a compress_prop_vals=('off' 'lzjb' 'lz4' 'gzip' 'zle')
  17 typeset -a checksum_prop_vals=('on' 'off' 'fletcher2' 'fletcher4' 'sha256'
  18     'noparity' 'sha512' 'skein' 'edonr')
  19 typeset -a recsize_prop_vals=('512' '1024' '2048' '4096' '8192' '16384'
  20     '32768' '65536' '131072' '262144' '524288' '1048576')
  21 typeset -a canmount_prop_vals=('on' 'off' 'noauto')
  22 typeset -a copies_prop_vals=('1' '2' '3')
  23 typeset -a logbias_prop_vals=('latency' 'throughput')
  24 typeset -a primarycache_prop_vals=('all' 'none' 'metadata')
  25 typeset -a redundant_metadata_prop_vals=('all' 'most')
  26 typeset -a secondarycache_prop_vals=('all' 'none' 'metadata')
  27 typeset -a snapdir_prop_vals=('hidden' 'visible')
  28 typeset -a sync_prop_vals=('standard' 'always' 'disabled')
  29
  30 typeset -a fs_props=('compress' 'checksum' 'recsize'
  31     'canmount' 'copies' 'logbias' 'primarycache' 'redundant_metadata'
  32     'secondarycache' 'snapdir' 'sync')
  33 typeset -a vol_props=('compress' 'checksum' 'copies' 'logbias' 'primarycache'
  34     'secondarycache' 'redundant_metadata' 'sync')
  35
  36 #
  37 # Given the property array passed in, return 'num_props' elements to the
  38 # user, excluding any elements below 'start.' This allows us to exclude
  39 # 'off' and 'on' which can be either unwanted, or a duplicate of another
  40 # property respectively.
  41 #
  42 function get_rand_prop
  43 {
  44         typeset prop_array=($(eval echo \${$1[@]}))
  45         typeset -i num_props=$2
  46         typeset -i start=$3
  47         typeset retstr=""
  48
  49         [[ -z $prop_array || -z $num_props || -z $start ]] && \
  50             log_fail "get_rand_prop: bad arguments"
  51
  52         typeset prop_max=$((${#prop_array[@]} - 1))
  53         typeset -i i
  54         for i in $(shuf -i $start-$prop_max -n $num_props); do
  55                 retstr="${prop_array[$i]} $retstr"
  56         done
  57         echo $retstr
  58 }
  59
  60 function get_rand_checksum
  61 {
  62         get_rand_prop checksum_prop_vals $1 2
  63 }
  64
  65 function get_rand_checksum_any
  66 {
  67         get_rand_prop checksum_prop_vals $1 0
  68 }
  69
  70 function get_rand_recsize
  71 {
  72         get_rand_prop recsize_prop_vals $1 0
  73 }
  74
  75 function get_rand_large_recsize
  76 {
  77         get_rand_prop recsize_prop_vals $1 9
  78 }
  79
  80 #
  81 # Functions to toggle on/off properties
  82 #
  83 typeset -a binary_props=('atime' 'devices' 'exec' 'readonly' 'setuid' 'xattr')
  84
  85 if is_freebsd; then
  86         binary_props+=('jailed')
  87 else
  88         binary_props+=('zoned')
  89 fi
  90
  91 if is_linux; then
  92         # Only older kernels support non-blocking mandatory locks
  93         if [[ $(linux_version) -lt $(linux_version "4.4") ]]; then
  94                 binary_props+=('nbmand')
  95         fi
  96 else
  97         binary_props+=('nbmand')
  98 fi
  99
 100 function toggle_prop
 101 {
 102         typeset ds=$1
 103         typeset prop=$2
 104
 105         datasetexists $ds || log_fail "$ds does not exist"
 106         typeset val=$(get_prop $prop $ds)
 107         typeset newval='off'
 108
 109         [[ $val = $newval ]] && newval='on'
 110         log_must zfs set $prop=$newval $ds
 111 }
 112
 113 function toggle_binary_props
 114 {
 115         typeset ds=$1
 116         typeset prop
 117
 118         for prop in "${binary_props[@]}"; do
 119                 toggle_prop $ds $prop
 120         done
 121 }
 122
 123 function randomize_ds_props
 124 {
 125         typeset ds=$1
 126         typeset prop proplist val
 127
 128         datasetexists $ds || log_fail "$ds does not exist"
 129         if ds_is_volume $ds; then
 130                 toggle_prop $ds readonly
 131                 proplist="${vol_props[@]}"
 132         elif ds_is_filesystem $ds; then
 133                 toggle_binary_props $ds
 134                 proplist="${fs_props[@]}"
 135         else
 136                 log_fail "$ds is neither a volume nor a file system"
 137         fi
 138
 139         for prop in $proplist; do
 140                 typeset val=$(get_rand_prop "${prop}_prop_vals" 1 0)
 141                 log_must zfs set $prop=$val $ds
 142         done
 143 }