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#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2012, 2016, Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
typeset -a compress_prop_vals=('off' 'lzjb' 'lz4' 'gzip' 'zle' 'zstd')
typeset -a checksum_prop_vals=('on' 'off' 'fletcher2' 'fletcher4' 'sha256'
'noparity' 'sha512' 'skein')
if ! is_freebsd; then
checksum_prop_vals+=('edonr')
fi
typeset -a recsize_prop_vals=('512' '1024' '2048' '4096' '8192' '16384'
'32768' '65536' '131072' '262144' '524288' '1048576')
typeset -a canmount_prop_vals=('on' 'off' 'noauto')
typeset -a copies_prop_vals=('1' '2' '3')
typeset -a logbias_prop_vals=('latency' 'throughput')
typeset -a primarycache_prop_vals=('all' 'none' 'metadata')
typeset -a redundant_metadata_prop_vals=('all' 'most')
typeset -a secondarycache_prop_vals=('all' 'none' 'metadata')
typeset -a snapdir_prop_vals=('hidden' 'visible')
typeset -a sync_prop_vals=('standard' 'always' 'disabled')
typeset -a fs_props=('compress' 'checksum' 'recsize'
'canmount' 'copies' 'logbias' 'primarycache' 'redundant_metadata'
'secondarycache' 'snapdir' 'sync')
typeset -a vol_props=('compress' 'checksum' 'copies' 'logbias' 'primarycache'
'secondarycache' 'redundant_metadata' 'sync')
#
# Given the 'prop' passed in, return 'num_vals' elements of the corresponding
# values array to the user, excluding any elements below 'first.' This allows
# us to exclude 'off' and 'on' which can be either unwanted, or a duplicate of
# another property respectively.
#
function get_rand_prop_vals
{
typeset prop=$1
typeset -i num_vals=$2
typeset -i first=$3
[[ -z $prop || -z $num_vals || -z $first ]] && \
log_fail "get_rand_prop_vals: bad arguments"
typeset retstr=""
typeset prop_vals_var=${prop}_prop_vals
typeset -a prop_vals=($(eval echo \${${prop_vals_var}[@]}))
[[ -z $prop_vals ]] && \
log_fail "get_rand_prop_vals: bad prop $prop"
typeset -i last=$((${#prop_vals[@]} - 1))
typeset -i i
for i in $(range_shuffle $first $last | head -n $num_vals); do
retstr="${prop_vals[$i]} $retstr"
done
echo $retstr
}
function get_rand_checksum
{
get_rand_prop_vals checksum $1 2
}
function get_rand_checksum_any
{
get_rand_prop_vals checksum $1 0
}
function get_rand_recsize
{
get_rand_prop_vals recsize $1 0
}
function get_rand_large_recsize
{
get_rand_prop_vals recsize $1 9
}
#
# Functions to toggle on/off properties
#
typeset -a binary_props=('atime' 'devices' 'exec' 'readonly' 'setuid' 'xattr')
if is_freebsd; then
binary_props+=('jailed')
else
binary_props+=('zoned')
fi
if is_linux; then
# Only older kernels support non-blocking mandatory locks
if [[ $(linux_version) -lt $(linux_version "4.4") ]]; then
binary_props+=('nbmand')
fi
else
binary_props+=('nbmand')
fi
function toggle_prop
{
typeset ds=$1
typeset prop=$2
datasetexists $ds || log_fail "$ds does not exist"
typeset val=$(get_prop $prop $ds)
typeset newval='off'
[[ $val = $newval ]] && newval='on'
log_must zfs set $prop=$newval $ds
}
function toggle_binary_props
{
typeset ds=$1
typeset prop
for prop in "${binary_props[@]}"; do
toggle_prop $ds $prop
done
}
function randomize_ds_props
{
typeset ds=$1
typeset prop proplist val
datasetexists $ds || log_fail "$ds does not exist"
if ds_is_volume $ds; then
toggle_prop $ds readonly
proplist="${vol_props[@]}"
elif ds_is_filesystem $ds; then
toggle_binary_props $ds
proplist="${fs_props[@]}"
else
log_fail "$ds is neither a volume nor a file system"
fi
for prop in $proplist; do
typeset val=$(get_rand_prop_vals $prop 1 0)
log_must zfs set $prop=$val $ds
done
}
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