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90ae48733c
There was a shuf package but the upstream for the port has recently disappeared, so it is no longer available. Create a function to hide the usage of shuf. Implement using seq|random on FreeBSD. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Signed-off-by: Ryan Moeller <ryan@ixsystems.com> Closes #9824
144 lines
3.6 KiB
Plaintext
144 lines
3.6 KiB
Plaintext
#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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#
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# Copyright (c) 2012, 2016, Delphix. All rights reserved.
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#
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typeset -a compress_prop_vals=('off' 'lzjb' 'lz4' 'gzip' 'zle')
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typeset -a checksum_prop_vals=('on' 'off' 'fletcher2' 'fletcher4' 'sha256'
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'noparity' 'sha512' 'skein' 'edonr')
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typeset -a recsize_prop_vals=('512' '1024' '2048' '4096' '8192' '16384'
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'32768' '65536' '131072' '262144' '524288' '1048576')
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typeset -a canmount_prop_vals=('on' 'off' 'noauto')
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typeset -a copies_prop_vals=('1' '2' '3')
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typeset -a logbias_prop_vals=('latency' 'throughput')
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typeset -a primarycache_prop_vals=('all' 'none' 'metadata')
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typeset -a redundant_metadata_prop_vals=('all' 'most')
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typeset -a secondarycache_prop_vals=('all' 'none' 'metadata')
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typeset -a snapdir_prop_vals=('hidden' 'visible')
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typeset -a sync_prop_vals=('standard' 'always' 'disabled')
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typeset -a fs_props=('compress' 'checksum' 'recsize'
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'canmount' 'copies' 'logbias' 'primarycache' 'redundant_metadata'
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'secondarycache' 'snapdir' 'sync')
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typeset -a vol_props=('compress' 'checksum' 'copies' 'logbias' 'primarycache'
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'secondarycache' 'redundant_metadata' 'sync')
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#
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# Given the property array passed in, return 'num_props' elements to the
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# user, excluding any elements below 'start.' This allows us to exclude
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# 'off' and 'on' which can be either unwanted, or a duplicate of another
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# property respectively.
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#
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function get_rand_prop
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{
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typeset prop_array=($(eval echo \${$1[@]}))
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typeset -i num_props=$2
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typeset -i start=$3
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typeset retstr=""
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[[ -z $prop_array || -z $num_props || -z $start ]] && \
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log_fail "get_rand_prop: bad arguments"
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typeset prop_max=$((${#prop_array[@]} - 1))
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typeset -i i
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for i in $(range_shuffle $start $prop_max | head -n $num_props); do
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retstr="${prop_array[$i]} $retstr"
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done
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echo $retstr
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}
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function get_rand_checksum
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{
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get_rand_prop checksum_prop_vals $1 2
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}
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function get_rand_checksum_any
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{
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get_rand_prop checksum_prop_vals $1 0
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}
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function get_rand_recsize
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{
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get_rand_prop recsize_prop_vals $1 0
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}
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function get_rand_large_recsize
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{
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get_rand_prop recsize_prop_vals $1 9
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}
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#
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# Functions to toggle on/off properties
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#
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typeset -a binary_props=('atime' 'devices' 'exec' 'readonly' 'setuid' 'xattr')
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if is_freebsd; then
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binary_props+=('jailed')
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else
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binary_props+=('zoned')
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fi
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if is_linux; then
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# Only older kernels support non-blocking mandatory locks
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if [[ $(linux_version) -lt $(linux_version "4.4") ]]; then
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binary_props+=('nbmand')
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fi
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else
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binary_props+=('nbmand')
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fi
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function toggle_prop
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{
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typeset ds=$1
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typeset prop=$2
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datasetexists $ds || log_fail "$ds does not exist"
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typeset val=$(get_prop $prop $ds)
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typeset newval='off'
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[[ $val = $newval ]] && newval='on'
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log_must zfs set $prop=$newval $ds
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}
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function toggle_binary_props
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{
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typeset ds=$1
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typeset prop
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for prop in "${binary_props[@]}"; do
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toggle_prop $ds $prop
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done
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}
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function randomize_ds_props
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{
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typeset ds=$1
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typeset prop proplist val
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datasetexists $ds || log_fail "$ds does not exist"
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if ds_is_volume $ds; then
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toggle_prop $ds readonly
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proplist="${vol_props[@]}"
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elif ds_is_filesystem $ds; then
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toggle_binary_props $ds
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proplist="${fs_props[@]}"
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else
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log_fail "$ds is neither a volume nor a file system"
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fi
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for prop in $proplist; do
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typeset val=$(get_rand_prop "${prop}_prop_vals" 1 0)
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log_must zfs set $prop=$val $ds
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done
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}
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