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