xref: /titanic_41/usr/src/test/zfs-tests/include/libtest.shlib (revision 8d62b2231107e557adb17ea75579d9c49511457b)
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. ${STF_TOOLS}/contrib/include/logapi.shlib
32
33ZFS=${ZFS:-/usr/sbin/zfs}
34ZPOOL=${ZPOOL:-/usr/sbin/zpool}
35
36# Determine whether a dataset is mounted
37#
38# $1 dataset name
39# $2 filesystem type; optional - defaulted to zfs
40#
41# Return 0 if dataset is mounted; 1 if unmounted; 2 on error
42
43function ismounted
44{
45	typeset fstype=$2
46	[[ -z $fstype ]] && fstype=zfs
47	typeset out dir name ret
48
49	case $fstype in
50		zfs)
51			if [[ "$1" == "/"* ]] ; then
52				for out in $($ZFS mount | $AWK '{print $2}'); do
53					[[ $1 == $out ]] && return 0
54				done
55			else
56				for out in $($ZFS mount | $AWK '{print $1}'); do
57					[[ $1 == $out ]] && return 0
58				done
59			fi
60		;;
61		ufs|nfs)
62			out=$($DF -F $fstype $1 2>/dev/null)
63			ret=$?
64			(($ret != 0)) && return $ret
65
66			dir=${out%%\(*}
67			dir=${dir%% *}
68			name=${out##*\(}
69			name=${name%%\)*}
70			name=${name%% *}
71
72			[[ "$1" == "$dir" || "$1" == "$name" ]] && return 0
73		;;
74	esac
75
76	return 1
77}
78
79# Return 0 if a dataset is mounted; 1 otherwise
80#
81# $1 dataset name
82# $2 filesystem type; optional - defaulted to zfs
83
84function mounted
85{
86	ismounted $1 $2
87	(($? == 0)) && return 0
88	return 1
89}
90
91# Return 0 if a dataset is unmounted; 1 otherwise
92#
93# $1 dataset name
94# $2 filesystem type; optional - defaulted to zfs
95
96function unmounted
97{
98	ismounted $1 $2
99	(($? == 1)) && return 0
100	return 1
101}
102
103# split line on ","
104#
105# $1 - line to split
106
107function splitline
108{
109	$ECHO $1 | $SED "s/,/ /g"
110}
111
112function default_setup
113{
114	default_setup_noexit "$@"
115
116	log_pass
117}
118
119#
120# Given a list of disks, setup storage pools and datasets.
121#
122function default_setup_noexit
123{
124	typeset disklist=$1
125	typeset container=$2
126	typeset volume=$3
127
128	if is_global_zone; then
129		if poolexists $TESTPOOL ; then
130			destroy_pool $TESTPOOL
131		fi
132		[[ -d /$TESTPOOL ]] && $RM -rf /$TESTPOOL
133		log_must $ZPOOL create -f $TESTPOOL $disklist
134	else
135		reexport_pool
136	fi
137
138	$RM -rf $TESTDIR  || log_unresolved Could not remove $TESTDIR
139	$MKDIR -p $TESTDIR || log_unresolved Could not create $TESTDIR
140
141	log_must $ZFS create $TESTPOOL/$TESTFS
142	log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
143
144	if [[ -n $container ]]; then
145		$RM -rf $TESTDIR1  || \
146			log_unresolved Could not remove $TESTDIR1
147		$MKDIR -p $TESTDIR1 || \
148			log_unresolved Could not create $TESTDIR1
149
150		log_must $ZFS create $TESTPOOL/$TESTCTR
151		log_must $ZFS set canmount=off $TESTPOOL/$TESTCTR
152		log_must $ZFS create $TESTPOOL/$TESTCTR/$TESTFS1
153		log_must $ZFS set mountpoint=$TESTDIR1 \
154		    $TESTPOOL/$TESTCTR/$TESTFS1
155	fi
156
157	if [[ -n $volume ]]; then
158		if is_global_zone ; then
159			log_must $ZFS create -V $VOLSIZE $TESTPOOL/$TESTVOL
160		else
161			log_must $ZFS create $TESTPOOL/$TESTVOL
162		fi
163	fi
164}
165
166#
167# Given a list of disks, setup a storage pool, file system and
168# a container.
169#
170function default_container_setup
171{
172	typeset disklist=$1
173
174	default_setup "$disklist" "true"
175}
176
177#
178# Given a list of disks, setup a storage pool,file system
179# and a volume.
180#
181function default_volume_setup
182{
183	typeset disklist=$1
184
185	default_setup "$disklist" "" "true"
186}
187
188#
189# Given a list of disks, setup a storage pool,file system,
190# a container and a volume.
191#
192function default_container_volume_setup
193{
194	typeset disklist=$1
195
196	default_setup "$disklist" "true" "true"
197}
198
199#
200# Create a snapshot on a filesystem or volume. Defaultly create a snapshot on
201# filesystem
202#
203# $1 Existing filesystem or volume name. Default, $TESTFS
204# $2 snapshot name. Default, $TESTSNAP
205#
206function create_snapshot
207{
208	typeset fs_vol=${1:-$TESTFS}
209	typeset snap=${2:-$TESTSNAP}
210
211	[[ -z $fs_vol ]] && log_fail "Filesystem or volume's name is undefined."
212	[[ -z $snap ]] && log_fail "Snapshot's name is undefined."
213
214	if snapexists $fs_vol@$snap; then
215		log_fail "$fs_vol@$snap already exists."
216	fi
217	datasetexists $fs_vol || \
218		log_fail "$fs_vol must exist."
219
220	log_must $ZFS snapshot $fs_vol@$snap
221}
222
223#
224# Create a clone from a snapshot, default clone name is $TESTCLONE.
225#
226# $1 Existing snapshot, $TESTPOOL/$TESTFS@$TESTSNAP is default.
227# $2 Clone name, $TESTPOOL/$TESTCLONE is default.
228#
229function create_clone   # snapshot clone
230{
231	typeset snap=${1:-$TESTPOOL/$TESTFS@$TESTSNAP}
232	typeset clone=${2:-$TESTPOOL/$TESTCLONE}
233
234	[[ -z $snap ]] && \
235		log_fail "Snapshot name is undefined."
236	[[ -z $clone ]] && \
237		log_fail "Clone name is undefined."
238
239	log_must $ZFS clone $snap $clone
240}
241
242function default_mirror_setup
243{
244	default_mirror_setup_noexit $1 $2 $3
245
246	log_pass
247}
248
249#
250# Given a pair of disks, set up a storage pool and dataset for the mirror
251# @parameters: $1 the primary side of the mirror
252#   $2 the secondary side of the mirror
253# @uses: ZPOOL ZFS TESTPOOL TESTFS
254function default_mirror_setup_noexit
255{
256	readonly func="default_mirror_setup_noexit"
257	typeset primary=$1
258	typeset secondary=$2
259
260	[[ -z $primary ]] && \
261		log_fail "$func: No parameters passed"
262	[[ -z $secondary ]] && \
263		log_fail "$func: No secondary partition passed"
264	[[ -d /$TESTPOOL ]] && $RM -rf /$TESTPOOL
265	log_must $ZPOOL create -f $TESTPOOL mirror $@
266	log_must $ZFS create $TESTPOOL/$TESTFS
267	log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
268}
269
270#
271# create a number of mirrors.
272# We create a number($1) of 2 way mirrors using the pairs of disks named
273# on the command line. These mirrors are *not* mounted
274# @parameters: $1 the number of mirrors to create
275#  $... the devices to use to create the mirrors on
276# @uses: ZPOOL ZFS TESTPOOL
277function setup_mirrors
278{
279	typeset -i nmirrors=$1
280
281	shift
282	while ((nmirrors > 0)); do
283		log_must test -n "$1" -a -n "$2"
284		[[ -d /$TESTPOOL$nmirrors ]] && $RM -rf /$TESTPOOL$nmirrors
285		log_must $ZPOOL create -f $TESTPOOL$nmirrors mirror $1 $2
286		shift 2
287		((nmirrors = nmirrors - 1))
288	done
289}
290
291#
292# create a number of raidz pools.
293# We create a number($1) of 2 raidz pools  using the pairs of disks named
294# on the command line. These pools are *not* mounted
295# @parameters: $1 the number of pools to create
296#  $... the devices to use to create the pools on
297# @uses: ZPOOL ZFS TESTPOOL
298function setup_raidzs
299{
300	typeset -i nraidzs=$1
301
302	shift
303	while ((nraidzs > 0)); do
304		log_must test -n "$1" -a -n "$2"
305		[[ -d /$TESTPOOL$nraidzs ]] && $RM -rf /$TESTPOOL$nraidzs
306		log_must $ZPOOL create -f $TESTPOOL$nraidzs raidz $1 $2
307		shift 2
308		((nraidzs = nraidzs - 1))
309	done
310}
311
312#
313# Destroy the configured testpool mirrors.
314# the mirrors are of the form ${TESTPOOL}{number}
315# @uses: ZPOOL ZFS TESTPOOL
316function destroy_mirrors
317{
318	default_cleanup_noexit
319
320	log_pass
321}
322
323#
324# Given a minimum of two disks, set up a storage pool and dataset for the raid-z
325# $1 the list of disks
326#
327function default_raidz_setup
328{
329	typeset disklist="$*"
330	disks=(${disklist[*]})
331
332	if [[ ${#disks[*]} -lt 2 ]]; then
333		log_fail "A raid-z requires a minimum of two disks."
334	fi
335
336	[[ -d /$TESTPOOL ]] && $RM -rf /$TESTPOOL
337	log_must $ZPOOL create -f $TESTPOOL raidz $1 $2 $3
338	log_must $ZFS create $TESTPOOL/$TESTFS
339	log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
340
341	log_pass
342}
343
344#
345# Common function used to cleanup storage pools and datasets.
346#
347# Invoked at the start of the test suite to ensure the system
348# is in a known state, and also at the end of each set of
349# sub-tests to ensure errors from one set of tests doesn't
350# impact the execution of the next set.
351
352function default_cleanup
353{
354	default_cleanup_noexit
355
356	log_pass
357}
358
359function default_cleanup_noexit
360{
361	typeset exclude=""
362	typeset pool=""
363	#
364	# Destroying the pool will also destroy any
365	# filesystems it contains.
366	#
367	if is_global_zone; then
368		$ZFS unmount -a > /dev/null 2>&1
369		exclude=`eval $ECHO \"'(${KEEP})'\"`
370		ALL_POOLS=$($ZPOOL list -H -o name \
371		    | $GREP -v "$NO_POOLS" | $EGREP -v "$exclude")
372		# Here, we loop through the pools we're allowed to
373		# destroy, only destroying them if it's safe to do
374		# so.
375		while [ ! -z ${ALL_POOLS} ]
376		do
377			for pool in ${ALL_POOLS}
378			do
379				if safe_to_destroy_pool $pool ;
380				then
381					destroy_pool $pool
382				fi
383				ALL_POOLS=$($ZPOOL list -H -o name \
384				    | $GREP -v "$NO_POOLS" \
385				    | $EGREP -v "$exclude")
386			done
387		done
388
389		$ZFS mount -a
390	else
391		typeset fs=""
392		for fs in $($ZFS list -H -o name \
393		    | $GREP "^$ZONE_POOL/$ZONE_CTR[01234]/"); do
394			datasetexists $fs && \
395				log_must $ZFS destroy -Rf $fs
396		done
397
398		# Need cleanup here to avoid garbage dir left.
399		for fs in $($ZFS list -H -o name); do
400			[[ $fs == /$ZONE_POOL ]] && continue
401			[[ -d $fs ]] && log_must $RM -rf $fs/*
402		done
403
404		#
405		# Reset the $ZONE_POOL/$ZONE_CTR[01234] file systems property to
406		# the default value
407		#
408		for fs in $($ZFS list -H -o name); do
409			if [[ $fs == $ZONE_POOL/$ZONE_CTR[01234] ]]; then
410				log_must $ZFS set reservation=none $fs
411				log_must $ZFS set recordsize=128K $fs
412				log_must $ZFS set mountpoint=/$fs $fs
413				typeset enc=""
414				enc=$(get_prop encryption $fs)
415				if [[ $? -ne 0 ]] || [[ -z "$enc" ]] || \
416					[[ "$enc" == "off" ]]; then
417					log_must $ZFS set checksum=on $fs
418				fi
419				log_must $ZFS set compression=off $fs
420				log_must $ZFS set atime=on $fs
421				log_must $ZFS set devices=off $fs
422				log_must $ZFS set exec=on $fs
423				log_must $ZFS set setuid=on $fs
424				log_must $ZFS set readonly=off $fs
425				log_must $ZFS set snapdir=hidden $fs
426				log_must $ZFS set aclmode=groupmask $fs
427				log_must $ZFS set aclinherit=secure $fs
428			fi
429		done
430	fi
431
432	[[ -d $TESTDIR ]] && \
433		log_must $RM -rf $TESTDIR
434}
435
436
437#
438# Common function used to cleanup storage pools, file systems
439# and containers.
440#
441function default_container_cleanup
442{
443	if ! is_global_zone; then
444		reexport_pool
445	fi
446
447	ismounted $TESTPOOL/$TESTCTR/$TESTFS1
448	[[ $? -eq 0 ]] && \
449	    log_must $ZFS unmount $TESTPOOL/$TESTCTR/$TESTFS1
450
451	datasetexists $TESTPOOL/$TESTCTR/$TESTFS1 && \
452	    log_must $ZFS destroy -R $TESTPOOL/$TESTCTR/$TESTFS1
453
454	datasetexists $TESTPOOL/$TESTCTR && \
455	    log_must $ZFS destroy -Rf $TESTPOOL/$TESTCTR
456
457	[[ -e $TESTDIR1 ]] && \
458	    log_must $RM -rf $TESTDIR1 > /dev/null 2>&1
459
460	default_cleanup
461}
462
463#
464# Common function used to cleanup snapshot of file system or volume. Default to
465# delete the file system's snapshot
466#
467# $1 snapshot name
468#
469function destroy_snapshot
470{
471	typeset snap=${1:-$TESTPOOL/$TESTFS@$TESTSNAP}
472
473	if ! snapexists $snap; then
474		log_fail "'$snap' does not existed."
475	fi
476
477	#
478	# For the sake of the value which come from 'get_prop' is not equal
479	# to the really mountpoint when the snapshot is unmounted. So, firstly
480	# check and make sure this snapshot's been mounted in current system.
481	#
482	typeset mtpt=""
483	if ismounted $snap; then
484		mtpt=$(get_prop mountpoint $snap)
485		(($? != 0)) && \
486			log_fail "get_prop mountpoint $snap failed."
487	fi
488
489	log_must $ZFS destroy $snap
490	[[ $mtpt != "" && -d $mtpt ]] && \
491		log_must $RM -rf $mtpt
492}
493
494#
495# Common function used to cleanup clone.
496#
497# $1 clone name
498#
499function destroy_clone
500{
501	typeset clone=${1:-$TESTPOOL/$TESTCLONE}
502
503	if ! datasetexists $clone; then
504		log_fail "'$clone' does not existed."
505	fi
506
507	# With the same reason in destroy_snapshot
508	typeset mtpt=""
509	if ismounted $clone; then
510		mtpt=$(get_prop mountpoint $clone)
511		(($? != 0)) && \
512			log_fail "get_prop mountpoint $clone failed."
513	fi
514
515	log_must $ZFS destroy $clone
516	[[ $mtpt != "" && -d $mtpt ]] && \
517		log_must $RM -rf $mtpt
518}
519
520# Return 0 if a snapshot exists; $? otherwise
521#
522# $1 - snapshot name
523
524function snapexists
525{
526	$ZFS list -H -t snapshot "$1" > /dev/null 2>&1
527	return $?
528}
529
530#
531# Set a property to a certain value on a dataset.
532# Sets a property of the dataset to the value as passed in.
533# @param:
534#	$1 dataset who's property is being set
535#	$2 property to set
536#	$3 value to set property to
537# @return:
538#	0 if the property could be set.
539#	non-zero otherwise.
540# @use: ZFS
541#
542function dataset_setprop
543{
544	typeset fn=dataset_setprop
545
546	if (($# < 3)); then
547		log_note "$fn: Insufficient parameters (need 3, had $#)"
548		return 1
549	fi
550	typeset output=
551	output=$($ZFS set $2=$3 $1 2>&1)
552	typeset rv=$?
553	if ((rv != 0)); then
554		log_note "Setting property on $1 failed."
555		log_note "property $2=$3"
556		log_note "Return Code: $rv"
557		log_note "Output: $output"
558		return $rv
559	fi
560	return 0
561}
562
563#
564# Assign suite defined dataset properties.
565# This function is used to apply the suite's defined default set of
566# properties to a dataset.
567# @parameters: $1 dataset to use
568# @uses: ZFS COMPRESSION_PROP CHECKSUM_PROP
569# @returns:
570#   0 if the dataset has been altered.
571#   1 if no pool name was passed in.
572#   2 if the dataset could not be found.
573#   3 if the dataset could not have it's properties set.
574#
575function dataset_set_defaultproperties
576{
577	typeset dataset="$1"
578
579	[[ -z $dataset ]] && return 1
580
581	typeset confset=
582	typeset -i found=0
583	for confset in $($ZFS list); do
584		if [[ $dataset = $confset ]]; then
585			found=1
586			break
587		fi
588	done
589	[[ $found -eq 0 ]] && return 2
590	if [[ -n $COMPRESSION_PROP ]]; then
591		dataset_setprop $dataset compression $COMPRESSION_PROP || \
592			return 3
593		log_note "Compression set to '$COMPRESSION_PROP' on $dataset"
594	fi
595	if [[ -n $CHECKSUM_PROP ]]; then
596		dataset_setprop $dataset checksum $CHECKSUM_PROP || \
597			return 3
598		log_note "Checksum set to '$CHECKSUM_PROP' on $dataset"
599	fi
600	return 0
601}
602
603#
604# Check a numeric assertion
605# @parameter: $@ the assertion to check
606# @output: big loud notice if assertion failed
607# @use: log_fail
608#
609function assert
610{
611	(($@)) || log_fail "$@"
612}
613
614#
615# Function to format partition size of a disk
616# Given a disk cxtxdx reduces all partitions
617# to 0 size
618#
619function zero_partitions #<whole_disk_name>
620{
621	typeset diskname=$1
622	typeset i
623
624	for i in 0 1 3 4 5 6 7
625	do
626		set_partition $i "" 0mb $diskname
627	done
628}
629
630#
631# Given a slice, size and disk, this function
632# formats the slice to the specified size.
633# Size should be specified with units as per
634# the `format` command requirements eg. 100mb 3gb
635#
636function set_partition #<slice_num> <slice_start> <size_plus_units>  <whole_disk_name>
637{
638	typeset -i slicenum=$1
639	typeset start=$2
640	typeset size=$3
641	typeset disk=$4
642	[[ -z $slicenum || -z $size || -z $disk ]] && \
643	    log_fail "The slice, size or disk name is unspecified."
644	typeset format_file=/var/tmp/format_in.$$
645
646	$ECHO "partition" >$format_file
647	$ECHO "$slicenum" >> $format_file
648	$ECHO "" >> $format_file
649	$ECHO "" >> $format_file
650	$ECHO "$start" >> $format_file
651	$ECHO "$size" >> $format_file
652	$ECHO "label" >> $format_file
653	$ECHO "" >> $format_file
654	$ECHO "q" >> $format_file
655	$ECHO "q" >> $format_file
656
657	$FORMAT -e -s -d $disk -f $format_file
658	typeset ret_val=$?
659	$RM -f $format_file
660	[[ $ret_val -ne 0 ]] && \
661	    log_fail "Unable to format $disk slice $slicenum to $size"
662	return 0
663}
664
665#
666# Get the end cyl of the given slice
667#
668function get_endslice #<disk> <slice>
669{
670	typeset disk=$1
671	typeset slice=$2
672	if [[ -z $disk || -z $slice ]] ; then
673		log_fail "The disk name or slice number is unspecified."
674	fi
675
676	disk=${disk#/dev/dsk/}
677	disk=${disk#/dev/rdsk/}
678	disk=${disk%s*}
679
680	typeset -i ratio=0
681	ratio=$($PRTVTOC /dev/rdsk/${disk}s2 | \
682		$GREP "sectors\/cylinder" | \
683		$AWK '{print $2}')
684
685	if ((ratio == 0)); then
686		return
687	fi
688
689	typeset -i endcyl=$($PRTVTOC -h /dev/rdsk/${disk}s2 |
690		$NAWK -v token="$slice" '{if ($1==token) print $6}')
691
692	((endcyl = (endcyl + 1) / ratio))
693	echo $endcyl
694}
695
696
697#
698# Given a size,disk and total slice number,  this function formats the
699# disk slices from 0 to the total slice number with the same specified
700# size.
701#
702function partition_disk	#<slice_size> <whole_disk_name>	<total_slices>
703{
704	typeset -i i=0
705	typeset slice_size=$1
706	typeset disk_name=$2
707	typeset total_slices=$3
708	typeset cyl
709
710	zero_partitions $disk_name
711	while ((i < $total_slices)); do
712		if ((i == 2)); then
713			((i = i + 1))
714			continue
715		fi
716		set_partition $i "$cyl" $slice_size $disk_name
717		cyl=$(get_endslice $disk_name $i)
718		((i = i+1))
719	done
720}
721
722#
723# This function continues to write to a filenum number of files into dirnum
724# number of directories until either $FILE_WRITE returns an error or the
725# maximum number of files per directory have been written.
726#
727# Usage:
728# fill_fs [destdir] [dirnum] [filenum] [bytes] [num_writes] [data]
729#
730# Return value: 0 on success
731#		non 0 on error
732#
733# Where :
734#	destdir:    is the directory where everything is to be created under
735#	dirnum:	    the maximum number of subdirectories to use, -1 no limit
736#	filenum:    the maximum number of files per subdirectory
737#	bytes:	    number of bytes to write
738#	num_writes: numer of types to write out bytes
739#	data:	    the data that will be writen
740#
741#	E.g.
742#	file_fs /testdir 20 25 1024 256 0
743#
744# Note: bytes * num_writes equals the size of the testfile
745#
746function fill_fs # destdir dirnum filenum bytes num_writes data
747{
748	typeset destdir=${1:-$TESTDIR}
749	typeset -i dirnum=${2:-50}
750	typeset -i filenum=${3:-50}
751	typeset -i bytes=${4:-8192}
752	typeset -i num_writes=${5:-10240}
753	typeset -i data=${6:-0}
754
755	typeset -i odirnum=1
756	typeset -i idirnum=0
757	typeset -i fn=0
758	typeset -i retval=0
759
760	log_must $MKDIR -p $destdir/$idirnum
761	while (($odirnum > 0)); do
762		if ((dirnum >= 0 && idirnum >= dirnum)); then
763			odirnum=0
764			break
765		fi
766		$FILE_WRITE -o create -f $destdir/$idirnum/$TESTFILE.$fn \
767		    -b $bytes -c $num_writes -d $data
768		retval=$?
769		if (($retval != 0)); then
770			odirnum=0
771			break
772		fi
773		if (($fn >= $filenum)); then
774			fn=0
775			((idirnum = idirnum + 1))
776			log_must $MKDIR -p $destdir/$idirnum
777		else
778			((fn = fn + 1))
779		fi
780	done
781	return $retval
782}
783
784#
785# Simple function to get the specified property. If unable to
786# get the property then exits.
787#
788# Note property is in 'parsable' format (-p)
789#
790function get_prop # property dataset
791{
792	typeset prop_val
793	typeset prop=$1
794	typeset dataset=$2
795
796	prop_val=$($ZFS get -pH -o value $prop $dataset 2>/dev/null)
797	if [[ $? -ne 0 ]]; then
798		log_note "Unable to get $prop property for dataset " \
799		"$dataset"
800		return 1
801	fi
802
803	$ECHO $prop_val
804	return 0
805}
806
807#
808# Simple function to get the specified property of pool. If unable to
809# get the property then exits.
810#
811function get_pool_prop # property pool
812{
813	typeset prop_val
814	typeset prop=$1
815	typeset pool=$2
816
817	if poolexists $pool ; then
818		prop_val=$($ZPOOL get $prop $pool 2>/dev/null | $TAIL -1 | \
819			$AWK '{print $3}')
820		if [[ $? -ne 0 ]]; then
821			log_note "Unable to get $prop property for pool " \
822			"$pool"
823			return 1
824		fi
825	else
826		log_note "Pool $pool not exists."
827		return 1
828	fi
829
830	$ECHO $prop_val
831	return 0
832}
833
834# Return 0 if a pool exists; $? otherwise
835#
836# $1 - pool name
837
838function poolexists
839{
840	typeset pool=$1
841
842	if [[ -z $pool ]]; then
843		log_note "No pool name given."
844		return 1
845	fi
846
847	$ZPOOL get name "$pool" > /dev/null 2>&1
848	return $?
849}
850
851# Return 0 if all the specified datasets exist; $? otherwise
852#
853# $1-n  dataset name
854function datasetexists
855{
856	if (($# == 0)); then
857		log_note "No dataset name given."
858		return 1
859	fi
860
861	while (($# > 0)); do
862		$ZFS get name $1 > /dev/null 2>&1 || \
863			return $?
864		shift
865	done
866
867	return 0
868}
869
870# return 0 if none of the specified datasets exists, otherwise return 1.
871#
872# $1-n  dataset name
873function datasetnonexists
874{
875	if (($# == 0)); then
876		log_note "No dataset name given."
877		return 1
878	fi
879
880	while (($# > 0)); do
881		$ZFS list -H -t filesystem,snapshot,volume $1 > /dev/null 2>&1 \
882		    && return 1
883		shift
884	done
885
886	return 0
887}
888
889#
890# Given a mountpoint, or a dataset name, determine if it is shared.
891#
892# Returns 0 if shared, 1 otherwise.
893#
894function is_shared
895{
896	typeset fs=$1
897	typeset mtpt
898
899	if [[ $fs != "/"* ]] ; then
900		if datasetnonexists "$fs" ; then
901			return 1
902		else
903			mtpt=$(get_prop mountpoint "$fs")
904			case $mtpt in
905				none|legacy|-) return 1
906					;;
907				*)	fs=$mtpt
908					;;
909			esac
910		fi
911	fi
912
913	for mtpt in `$SHARE | $AWK '{print $2}'` ; do
914		if [[ $mtpt == $fs ]] ; then
915			return 0
916		fi
917	done
918
919	typeset stat=$($SVCS -H -o STA nfs/server:default)
920	if [[ $stat != "ON" ]]; then
921		log_note "Current nfs/server status: $stat"
922	fi
923
924	return 1
925}
926
927#
928# Given a mountpoint, determine if it is not shared.
929#
930# Returns 0 if not shared, 1 otherwise.
931#
932function not_shared
933{
934	typeset fs=$1
935
936	is_shared $fs
937	if (($? == 0)); then
938		return 1
939	fi
940
941	return 0
942}
943
944#
945# Helper function to unshare a mountpoint.
946#
947function unshare_fs #fs
948{
949	typeset fs=$1
950
951	is_shared $fs
952	if (($? == 0)); then
953		log_must $ZFS unshare $fs
954	fi
955
956	return 0
957}
958
959#
960# Check NFS server status and trigger it online.
961#
962function setup_nfs_server
963{
964	# Cannot share directory in non-global zone.
965	#
966	if ! is_global_zone; then
967		log_note "Cannot trigger NFS server by sharing in LZ."
968		return
969	fi
970
971	typeset nfs_fmri="svc:/network/nfs/server:default"
972	if [[ $($SVCS -Ho STA $nfs_fmri) != "ON" ]]; then
973		#
974		# Only really sharing operation can enable NFS server
975		# to online permanently.
976		#
977		typeset dummy=/tmp/dummy
978
979		if [[ -d $dummy ]]; then
980			log_must $RM -rf $dummy
981		fi
982
983		log_must $MKDIR $dummy
984		log_must $SHARE $dummy
985
986		#
987		# Waiting for fmri's status to be the final status.
988		# Otherwise, in transition, an asterisk (*) is appended for
989		# instances, unshare will reverse status to 'DIS' again.
990		#
991		# Waiting for 1's at least.
992		#
993		log_must $SLEEP 1
994		timeout=10
995		while [[ timeout -ne 0 && $($SVCS -Ho STA $nfs_fmri) == *'*' ]]
996		do
997			log_must $SLEEP 1
998
999			((timeout -= 1))
1000		done
1001
1002		log_must $UNSHARE $dummy
1003		log_must $RM -rf $dummy
1004	fi
1005
1006	log_note "Current NFS status: '$($SVCS -Ho STA,FMRI $nfs_fmri)'"
1007}
1008
1009#
1010# To verify whether calling process is in global zone
1011#
1012# Return 0 if in global zone, 1 in non-global zone
1013#
1014function is_global_zone
1015{
1016	typeset cur_zone=$($ZONENAME 2>/dev/null)
1017	if [[ $cur_zone != "global" ]]; then
1018		return 1
1019	fi
1020	return 0
1021}
1022
1023#
1024# Verify whether test is permitted to run from
1025# global zone, local zone, or both
1026#
1027# $1 zone limit, could be "global", "local", or "both"(no limit)
1028#
1029# Return 0 if permitted, otherwise exit with log_unsupported
1030#
1031function verify_runnable # zone limit
1032{
1033	typeset limit=$1
1034
1035	[[ -z $limit ]] && return 0
1036
1037	if is_global_zone ; then
1038		case $limit in
1039			global|both)
1040				;;
1041			local)	log_unsupported "Test is unable to run from "\
1042					"global zone."
1043				;;
1044			*)	log_note "Warning: unknown limit $limit - " \
1045					"use both."
1046				;;
1047		esac
1048	else
1049		case $limit in
1050			local|both)
1051				;;
1052			global)	log_unsupported "Test is unable to run from "\
1053					"local zone."
1054				;;
1055			*)	log_note "Warning: unknown limit $limit - " \
1056					"use both."
1057				;;
1058		esac
1059
1060		reexport_pool
1061	fi
1062
1063	return 0
1064}
1065
1066# Return 0 if create successfully or the pool exists; $? otherwise
1067# Note: In local zones, this function should return 0 silently.
1068#
1069# $1 - pool name
1070# $2-n - [keyword] devs_list
1071
1072function create_pool #pool devs_list
1073{
1074	typeset pool=${1%%/*}
1075
1076	shift
1077
1078	if [[ -z $pool ]]; then
1079		log_note "Missing pool name."
1080		return 1
1081	fi
1082
1083	if poolexists $pool ; then
1084		destroy_pool $pool
1085	fi
1086
1087	if is_global_zone ; then
1088		[[ -d /$pool ]] && $RM -rf /$pool
1089		log_must $ZPOOL create -f $pool $@
1090	fi
1091
1092	return 0
1093}
1094
1095# Return 0 if destroy successfully or the pool exists; $? otherwise
1096# Note: In local zones, this function should return 0 silently.
1097#
1098# $1 - pool name
1099# Destroy pool with the given parameters.
1100
1101function destroy_pool #pool
1102{
1103	typeset pool=${1%%/*}
1104	typeset mtpt
1105
1106	if [[ -z $pool ]]; then
1107		log_note "No pool name given."
1108		return 1
1109	fi
1110
1111	if is_global_zone ; then
1112		if poolexists "$pool" ; then
1113			mtpt=$(get_prop mountpoint "$pool")
1114			log_must $ZPOOL destroy -f $pool
1115
1116			[[ -d $mtpt ]] && \
1117				log_must $RM -rf $mtpt
1118		else
1119			log_note "Pool not exist. ($pool)"
1120			return 1
1121		fi
1122	fi
1123
1124	return 0
1125}
1126
1127#
1128# Firstly, create a pool with 5 datasets. Then, create a single zone and
1129# export the 5 datasets to it. In addition, we also add a ZFS filesystem
1130# and a zvol device to the zone.
1131#
1132# $1 zone name
1133# $2 zone root directory prefix
1134# $3 zone ip
1135#
1136function zfs_zones_setup #zone_name zone_root zone_ip
1137{
1138	typeset zone_name=${1:-$(hostname)-z}
1139	typeset zone_root=${2:-"/zone_root"}
1140	typeset zone_ip=${3:-"10.1.1.10"}
1141	typeset prefix_ctr=$ZONE_CTR
1142	typeset pool_name=$ZONE_POOL
1143	typeset -i cntctr=5
1144	typeset -i i=0
1145
1146	# Create pool and 5 container within it
1147	#
1148	[[ -d /$pool_name ]] && $RM -rf /$pool_name
1149	log_must $ZPOOL create -f $pool_name $DISKS
1150	while ((i < cntctr)); do
1151		log_must $ZFS create $pool_name/$prefix_ctr$i
1152		((i += 1))
1153	done
1154
1155	# create a zvol
1156	log_must $ZFS create -V 1g $pool_name/zone_zvol
1157
1158	#
1159	# If current system support slog, add slog device for pool
1160	#
1161	if verify_slog_support ; then
1162		typeset sdevs="/var/tmp/sdev1 /var/tmp/sdev2"
1163		log_must $MKFILE 100M $sdevs
1164		log_must $ZPOOL add $pool_name log mirror $sdevs
1165	fi
1166
1167	# this isn't supported just yet.
1168	# Create a filesystem. In order to add this to
1169	# the zone, it must have it's mountpoint set to 'legacy'
1170	# log_must $ZFS create $pool_name/zfs_filesystem
1171	# log_must $ZFS set mountpoint=legacy $pool_name/zfs_filesystem
1172
1173	[[ -d $zone_root ]] && \
1174		log_must $RM -rf $zone_root/$zone_name
1175	[[ ! -d $zone_root ]] && \
1176		log_must $MKDIR -p -m 0700 $zone_root/$zone_name
1177
1178	# Create zone configure file and configure the zone
1179	#
1180	typeset zone_conf=/tmp/zone_conf.$$
1181	$ECHO "create" > $zone_conf
1182	$ECHO "set zonepath=$zone_root/$zone_name" >> $zone_conf
1183	$ECHO "set autoboot=true" >> $zone_conf
1184	i=0
1185	while ((i < cntctr)); do
1186		$ECHO "add dataset" >> $zone_conf
1187		$ECHO "set name=$pool_name/$prefix_ctr$i" >> \
1188			$zone_conf
1189		$ECHO "end" >> $zone_conf
1190		((i += 1))
1191	done
1192
1193	# add our zvol to the zone
1194	$ECHO "add device" >> $zone_conf
1195	$ECHO "set match=/dev/zvol/dsk/$pool_name/zone_zvol" >> $zone_conf
1196	$ECHO "end" >> $zone_conf
1197
1198	# add a corresponding zvol rdsk to the zone
1199	$ECHO "add device" >> $zone_conf
1200	$ECHO "set match=/dev/zvol/rdsk/$pool_name/zone_zvol" >> $zone_conf
1201	$ECHO "end" >> $zone_conf
1202
1203	# once it's supported, we'll add our filesystem to the zone
1204	# $ECHO "add fs" >> $zone_conf
1205	# $ECHO "set type=zfs" >> $zone_conf
1206	# $ECHO "set special=$pool_name/zfs_filesystem" >> $zone_conf
1207	# $ECHO "set dir=/export/zfs_filesystem" >> $zone_conf
1208	# $ECHO "end" >> $zone_conf
1209
1210	$ECHO "verify" >> $zone_conf
1211	$ECHO "commit" >> $zone_conf
1212	log_must $ZONECFG -z $zone_name -f $zone_conf
1213	log_must $RM -f $zone_conf
1214
1215	# Install the zone
1216	$ZONEADM -z $zone_name install
1217	if (($? == 0)); then
1218		log_note "SUCCESS: $ZONEADM -z $zone_name install"
1219	else
1220		log_fail "FAIL: $ZONEADM -z $zone_name install"
1221	fi
1222
1223	# Install sysidcfg file
1224	#
1225	typeset sysidcfg=$zone_root/$zone_name/root/etc/sysidcfg
1226	$ECHO "system_locale=C" > $sysidcfg
1227	$ECHO  "terminal=dtterm" >> $sysidcfg
1228	$ECHO  "network_interface=primary {" >> $sysidcfg
1229	$ECHO  "hostname=$zone_name" >> $sysidcfg
1230	$ECHO  "}" >> $sysidcfg
1231	$ECHO  "name_service=NONE" >> $sysidcfg
1232	$ECHO  "root_password=mo791xfZ/SFiw" >> $sysidcfg
1233	$ECHO  "security_policy=NONE" >> $sysidcfg
1234	$ECHO  "timezone=US/Eastern" >> $sysidcfg
1235
1236	# Boot this zone
1237	log_must $ZONEADM -z $zone_name boot
1238}
1239
1240#
1241# Reexport TESTPOOL & TESTPOOL(1-4)
1242#
1243function reexport_pool
1244{
1245	typeset -i cntctr=5
1246	typeset -i i=0
1247
1248	while ((i < cntctr)); do
1249		if ((i == 0)); then
1250			TESTPOOL=$ZONE_POOL/$ZONE_CTR$i
1251			if ! ismounted $TESTPOOL; then
1252				log_must $ZFS mount $TESTPOOL
1253			fi
1254		else
1255			eval TESTPOOL$i=$ZONE_POOL/$ZONE_CTR$i
1256			if eval ! ismounted \$TESTPOOL$i; then
1257				log_must eval $ZFS mount \$TESTPOOL$i
1258			fi
1259		fi
1260		((i += 1))
1261	done
1262}
1263
1264#
1265# Verify a given disk is online or offline
1266#
1267# Return 0 is pool/disk matches expected state, 1 otherwise
1268#
1269function check_state # pool disk state{online,offline}
1270{
1271	typeset pool=$1
1272	typeset disk=${2#/dev/dsk/}
1273	typeset state=$3
1274
1275	$ZPOOL status -v $pool | grep "$disk"  \
1276	    | grep -i "$state" > /dev/null 2>&1
1277
1278	return $?
1279}
1280
1281#
1282# Get the mountpoint of snapshot
1283# For the snapshot use <mp_filesystem>/.zfs/snapshot/<snap>
1284# as its mountpoint
1285#
1286function snapshot_mountpoint
1287{
1288	typeset dataset=${1:-$TESTPOOL/$TESTFS@$TESTSNAP}
1289
1290	if [[ $dataset != *@* ]]; then
1291		log_fail "Error name of snapshot '$dataset'."
1292	fi
1293
1294	typeset fs=${dataset%@*}
1295	typeset snap=${dataset#*@}
1296
1297	if [[ -z $fs || -z $snap ]]; then
1298		log_fail "Error name of snapshot '$dataset'."
1299	fi
1300
1301	$ECHO $(get_prop mountpoint $fs)/.zfs/snapshot/$snap
1302}
1303
1304#
1305# Given a pool and file system, this function will verify the file system
1306# using the zdb internal tool. Note that the pool is exported and imported
1307# to ensure it has consistent state.
1308#
1309function verify_filesys # pool filesystem dir
1310{
1311	typeset pool="$1"
1312	typeset filesys="$2"
1313	typeset zdbout="/tmp/zdbout.$$"
1314
1315	shift
1316	shift
1317	typeset dirs=$@
1318	typeset search_path=""
1319
1320	log_note "Calling $ZDB to verify filesystem '$filesys'"
1321	$ZFS unmount -a > /dev/null 2>&1
1322	log_must $ZPOOL export $pool
1323
1324	if [[ -n $dirs ]] ; then
1325		for dir in $dirs ; do
1326			search_path="$search_path -d $dir"
1327		done
1328	fi
1329
1330	log_must $ZPOOL import $search_path $pool
1331
1332	$ZDB -cudi $filesys > $zdbout 2>&1
1333	if [[ $? != 0 ]]; then
1334		log_note "Output: $ZDB -cudi $filesys"
1335		$CAT $zdbout
1336		log_fail "$ZDB detected errors with: '$filesys'"
1337	fi
1338
1339	log_must $ZFS mount -a
1340	log_must $RM -rf $zdbout
1341}
1342
1343#
1344# Given a pool, and this function list all disks in the pool
1345#
1346function get_disklist # pool
1347{
1348	typeset disklist=""
1349
1350	disklist=$($ZPOOL iostat -v $1 | $NAWK '(NR >4) {print $1}' | \
1351	    $GREP -v "\-\-\-\-\-" | \
1352	    $EGREP -v -e "^(mirror|raidz1|raidz2|spare|log|cache)$")
1353
1354	$ECHO $disklist
1355}
1356
1357#
1358# Destroy all existing metadevices and state database
1359#
1360function destroy_metas
1361{
1362	typeset metad
1363
1364	for metad in $($METASTAT -p | $AWK '{print $1}'); do
1365		log_must $METACLEAR -rf $metad
1366	done
1367
1368	for metad in $($METADB | $CUT -f6 | $GREP dev | $UNIQ); do
1369		log_must $METADB -fd $metad
1370	done
1371}
1372
1373# /**
1374#  This function kills a given list of processes after a time period. We use
1375#  this in the stress tests instead of STF_TIMEOUT so that we can have processes
1376#  run for a fixed amount of time, yet still pass. Tests that hit STF_TIMEOUT
1377#  would be listed as FAIL, which we don't want : we're happy with stress tests
1378#  running for a certain amount of time, then finishing.
1379#
1380# @param $1 the time in seconds after which we should terminate these processes
1381# @param $2..$n the processes we wish to terminate.
1382# */
1383function stress_timeout
1384{
1385	typeset -i TIMEOUT=$1
1386	shift
1387	typeset cpids="$@"
1388
1389	log_note "Waiting for child processes($cpids). " \
1390		"It could last dozens of minutes, please be patient ..."
1391	log_must $SLEEP $TIMEOUT
1392
1393	log_note "Killing child processes after ${TIMEOUT} stress timeout."
1394	typeset pid
1395	for pid in $cpids; do
1396		$PS -p $pid > /dev/null 2>&1
1397		if (($? == 0)); then
1398			log_must $KILL -USR1 $pid
1399		fi
1400	done
1401}
1402
1403#
1404# Verify a given hotspare disk is inuse or avail
1405#
1406# Return 0 is pool/disk matches expected state, 1 otherwise
1407#
1408function check_hotspare_state # pool disk state{inuse,avail}
1409{
1410	typeset pool=$1
1411	typeset disk=${2#/dev/dsk/}
1412	typeset state=$3
1413
1414	cur_state=$(get_device_state $pool $disk "spares")
1415
1416	if [[ $state != ${cur_state} ]]; then
1417		return 1
1418	fi
1419	return 0
1420}
1421
1422#
1423# Verify a given slog disk is inuse or avail
1424#
1425# Return 0 is pool/disk matches expected state, 1 otherwise
1426#
1427function check_slog_state # pool disk state{online,offline,unavail}
1428{
1429	typeset pool=$1
1430	typeset disk=${2#/dev/dsk/}
1431	typeset state=$3
1432
1433	cur_state=$(get_device_state $pool $disk "logs")
1434
1435	if [[ $state != ${cur_state} ]]; then
1436		return 1
1437	fi
1438	return 0
1439}
1440
1441#
1442# Verify a given vdev disk is inuse or avail
1443#
1444# Return 0 is pool/disk matches expected state, 1 otherwise
1445#
1446function check_vdev_state # pool disk state{online,offline,unavail}
1447{
1448	typeset pool=$1
1449	typeset disk=${2#/dev/dsk/}
1450	typeset state=$3
1451
1452	cur_state=$(get_device_state $pool $disk)
1453
1454	if [[ $state != ${cur_state} ]]; then
1455		return 1
1456	fi
1457	return 0
1458}
1459
1460#
1461# Check the output of 'zpool status -v <pool>',
1462# and to see if the content of <token> contain the <keyword> specified.
1463#
1464# Return 0 is contain, 1 otherwise
1465#
1466function check_pool_status # pool token keyword
1467{
1468	typeset pool=$1
1469	typeset token=$2
1470	typeset keyword=$3
1471
1472	$ZPOOL status -v "$pool" 2>/dev/null | $NAWK -v token="$token:" '
1473		($1==token) {print $0}' \
1474	| $GREP -i "$keyword" > /dev/null 2>&1
1475
1476	return $?
1477}
1478
1479#
1480# These 5 following functions are instance of check_pool_status()
1481#	is_pool_resilvering - to check if the pool is resilver in progress
1482#	is_pool_resilvered - to check if the pool is resilver completed
1483#	is_pool_scrubbing - to check if the pool is scrub in progress
1484#	is_pool_scrubbed - to check if the pool is scrub completed
1485#	is_pool_scrub_stopped - to check if the pool is scrub stopped
1486#
1487function is_pool_resilvering #pool
1488{
1489	check_pool_status "$1" "scan" "resilver in progress since "
1490	return $?
1491}
1492
1493function is_pool_resilvered #pool
1494{
1495	check_pool_status "$1" "scan" "resilvered "
1496	return $?
1497}
1498
1499function is_pool_scrubbing #pool
1500{
1501	check_pool_status "$1" "scan" "scrub in progress since "
1502	return $?
1503}
1504
1505function is_pool_scrubbed #pool
1506{
1507	check_pool_status "$1" "scan" "scrub repaired"
1508	return $?
1509}
1510
1511function is_pool_scrub_stopped #pool
1512{
1513	check_pool_status "$1" "scan" "scrub canceled"
1514	return $?
1515}
1516
1517#
1518# Use create_pool()/destroy_pool() to clean up the infomation in
1519# in the given disk to avoid slice overlapping.
1520#
1521function cleanup_devices #vdevs
1522{
1523	typeset pool="foopool$$"
1524
1525	if poolexists $pool ; then
1526		destroy_pool $pool
1527	fi
1528
1529	create_pool $pool $@
1530	destroy_pool $pool
1531
1532	return 0
1533}
1534
1535#
1536# Verify the rsh connectivity to each remote host in RHOSTS.
1537#
1538# Return 0 if remote host is accessible; otherwise 1.
1539# $1 remote host name
1540# $2 username
1541#
1542function verify_rsh_connect #rhost, username
1543{
1544	typeset rhost=$1
1545	typeset username=$2
1546	typeset rsh_cmd="$RSH -n"
1547	typeset cur_user=
1548
1549	$GETENT hosts $rhost >/dev/null 2>&1
1550	if (($? != 0)); then
1551		log_note "$rhost cannot be found from" \
1552			"administrative database."
1553		return 1
1554	fi
1555
1556	$PING $rhost 3 >/dev/null 2>&1
1557	if (($? != 0)); then
1558		log_note "$rhost is not reachable."
1559		return 1
1560	fi
1561
1562	if ((${#username} != 0)); then
1563		rsh_cmd="$rsh_cmd -l $username"
1564		cur_user="given user \"$username\""
1565	else
1566		cur_user="current user \"`$LOGNAME`\""
1567	fi
1568
1569	 if ! $rsh_cmd $rhost $TRUE; then
1570		log_note "$RSH to $rhost is not accessible" \
1571			"with $cur_user."
1572		return 1
1573	fi
1574
1575	return 0
1576}
1577
1578#
1579# Verify the remote host connection via rsh after rebooting
1580# $1 remote host
1581#
1582function verify_remote
1583{
1584	rhost=$1
1585
1586	#
1587	# The following loop waits for the remote system rebooting.
1588	# Each iteration will wait for 150 seconds. there are
1589	# total 5 iterations, so the total timeout value will
1590	# be 12.5  minutes for the system rebooting. This number
1591	# is an approxiate number.
1592	#
1593	typeset -i count=0
1594	while ! verify_rsh_connect $rhost; do
1595		sleep 150
1596		((count = count + 1))
1597		if ((count > 5)); then
1598			return 1
1599		fi
1600	done
1601	return 0
1602}
1603
1604#
1605# Replacement function for /usr/bin/rsh. This function will include
1606# the /usr/bin/rsh and meanwhile return the execution status of the
1607# last command.
1608#
1609# $1 usrname passing down to -l option of /usr/bin/rsh
1610# $2 remote machine hostname
1611# $3... command string
1612#
1613
1614function rsh_status
1615{
1616	typeset ruser=$1
1617	typeset rhost=$2
1618	typeset -i ret=0
1619	typeset cmd_str=""
1620	typeset rsh_str=""
1621
1622	shift; shift
1623	cmd_str="$@"
1624
1625	err_file=/tmp/${rhost}.$$.err
1626	if ((${#ruser} == 0)); then
1627		rsh_str="$RSH -n"
1628	else
1629		rsh_str="$RSH -n -l $ruser"
1630	fi
1631
1632	$rsh_str $rhost /usr/bin/ksh -c "'$cmd_str; \
1633		print -u 2 \"status=\$?\"'" \
1634		>/dev/null 2>$err_file
1635	ret=$?
1636	if (($ret != 0)); then
1637		$CAT $err_file
1638		$RM -f $std_file $err_file
1639		log_fail  "$RSH itself failed with exit code $ret..."
1640	fi
1641
1642	 ret=$($GREP -v 'print -u 2' $err_file | $GREP 'status=' | \
1643		$CUT -d= -f2)
1644	(($ret != 0)) && $CAT $err_file >&2
1645
1646	$RM -f $err_file >/dev/null 2>&1
1647	return $ret
1648}
1649
1650#
1651# Get the SUNWstc-fs-zfs package installation path in a remote host
1652# $1 remote host name
1653#
1654function get_remote_pkgpath
1655{
1656	typeset rhost=$1
1657	typeset pkgpath=""
1658
1659	pkgpath=$($RSH -n $rhost "$PKGINFO -l SUNWstc-fs-zfs | $GREP BASEDIR: |\
1660			$CUT -d: -f2")
1661
1662	$ECHO $pkgpath
1663}
1664
1665#/**
1666# A function to find and locate free disks on a system or from given
1667# disks as the parameter. It works by locating disks that are in use
1668# as swap devices, SVM devices, and dump devices, and also disks
1669# listed in /etc/vfstab
1670#
1671# $@ given disks to find which are free, default is all disks in
1672# the test system
1673#
1674# @return a string containing the list of available disks
1675#*/
1676function find_disks
1677{
1678	sfi=/tmp/swaplist.$$
1679	msi=/tmp/metastat.$$
1680	dmpi=/tmp/dumpdev.$$
1681	max_finddisksnum=${MAX_FINDDISKSNUM:-6}
1682
1683	$SWAP -l > $sfi
1684	$METASTAT -c > $msi 2>/dev/null
1685	$DUMPADM > $dmpi 2>/dev/null
1686
1687# write an awk script that can process the output of format
1688# to produce a list of disks we know about. Note that we have
1689# to escape "$2" so that the shell doesn't interpret it while
1690# we're creating the awk script.
1691# -------------------
1692	$CAT > /tmp/find_disks.awk <<EOF
1693#!/bin/nawk -f
1694	BEGIN { FS="."; }
1695
1696	/^Specify disk/{
1697		searchdisks=0;
1698	}
1699
1700	{
1701		if (searchdisks && \$2 !~ "^$"){
1702			split(\$2,arr," ");
1703			print arr[1];
1704		}
1705	}
1706
1707	/^AVAILABLE DISK SELECTIONS:/{
1708		searchdisks=1;
1709	}
1710EOF
1711#---------------------
1712
1713	$CHMOD 755 /tmp/find_disks.awk
1714	disks=${@:-$($ECHO "" | $FORMAT -e 2>/dev/null | /tmp/find_disks.awk)}
1715	$RM /tmp/find_disks.awk
1716
1717	unused=""
1718	for disk in $disks; do
1719	# Check for mounted
1720		$GREP "${disk}[sp]" /etc/mnttab >/dev/null
1721		(($? == 0)) && continue
1722	# Check for swap
1723		$GREP "${disk}[sp]" $sfi >/dev/null
1724		(($? == 0)) && continue
1725	# Check for SVM
1726		$GREP "${disk}" $msi >/dev/null
1727		(($? == 0)) && continue
1728	# check for dump device
1729		$GREP "${disk}[sp]" $dmpi >/dev/null
1730		(($? == 0)) && continue
1731	# check to see if this disk hasn't been explicitly excluded
1732	# by a user-set environment variable
1733		$ECHO "${ZFS_HOST_DEVICES_IGNORE}" | $GREP "${disk}" > /dev/null
1734		(($? == 0)) && continue
1735		unused_candidates="$unused_candidates $disk"
1736	done
1737	$RM $sfi
1738	$RM $msi
1739	$RM $dmpi
1740
1741# now just check to see if those disks do actually exist
1742# by looking for a device pointing to the first slice in
1743# each case. limit the number to max_finddisksnum
1744	count=0
1745	for disk in $unused_candidates; do
1746		if [ -b /dev/dsk/${disk}s0 ]; then
1747		if [ $count -lt $max_finddisksnum ]; then
1748			unused="$unused $disk"
1749			# do not impose limit if $@ is provided
1750			[[ -z $@ ]] && ((count = count + 1))
1751		fi
1752		fi
1753	done
1754
1755# finally, return our disk list
1756	$ECHO $unused
1757}
1758
1759#
1760# Add specified user to specified group
1761#
1762# $1 group name
1763# $2 user name
1764# $3 base of the homedir (optional)
1765#
1766function add_user #<group_name> <user_name> <basedir>
1767{
1768	typeset gname=$1
1769	typeset uname=$2
1770	typeset basedir=${3:-"/var/tmp"}
1771
1772	if ((${#gname} == 0 || ${#uname} == 0)); then
1773		log_fail "group name or user name are not defined."
1774	fi
1775
1776	log_must $USERADD -g $gname -d $basedir/$uname -m $uname
1777
1778	return 0
1779}
1780
1781#
1782# Delete the specified user.
1783#
1784# $1 login name
1785# $2 base of the homedir (optional)
1786#
1787function del_user #<logname> <basedir>
1788{
1789	typeset user=$1
1790	typeset basedir=${2:-"/var/tmp"}
1791
1792	if ((${#user} == 0)); then
1793		log_fail "login name is necessary."
1794	fi
1795
1796	if $ID $user > /dev/null 2>&1; then
1797		log_must $USERDEL $user
1798	fi
1799
1800	[[ -d $basedir/$user ]] && $RM -fr $basedir/$user
1801
1802	return 0
1803}
1804
1805#
1806# Select valid gid and create specified group.
1807#
1808# $1 group name
1809#
1810function add_group #<group_name>
1811{
1812	typeset group=$1
1813
1814	if ((${#group} == 0)); then
1815		log_fail "group name is necessary."
1816	fi
1817
1818	# Assign 100 as the base gid
1819	typeset -i gid=100
1820	while true; do
1821		$GROUPADD -g $gid $group > /dev/null 2>&1
1822		typeset -i ret=$?
1823		case $ret in
1824			0) return 0 ;;
1825			# The gid is not  unique
1826			4) ((gid += 1)) ;;
1827			*) return 1 ;;
1828		esac
1829	done
1830}
1831
1832#
1833# Delete the specified group.
1834#
1835# $1 group name
1836#
1837function del_group #<group_name>
1838{
1839	typeset grp=$1
1840	if ((${#grp} == 0)); then
1841		log_fail "group name is necessary."
1842	fi
1843
1844	$GROUPMOD -n $grp $grp > /dev/null 2>&1
1845	typeset -i ret=$?
1846	case $ret in
1847		# Group does not exist.
1848		6) return 0 ;;
1849		# Name already exists as a group name
1850		9) log_must $GROUPDEL $grp ;;
1851		*) return 1 ;;
1852	esac
1853
1854	return 0
1855}
1856
1857#
1858# This function will return true if it's safe to destroy the pool passed
1859# as argument 1. It checks for pools based on zvols and files, and also
1860# files contained in a pool that may have a different mountpoint.
1861#
1862function safe_to_destroy_pool { # $1 the pool name
1863
1864	typeset pool=""
1865	typeset DONT_DESTROY=""
1866
1867	# We check that by deleting the $1 pool, we're not
1868	# going to pull the rug out from other pools. Do this
1869	# by looking at all other pools, ensuring that they
1870	# aren't built from files or zvols contained in this pool.
1871
1872	for pool in $($ZPOOL list -H -o name)
1873	do
1874		ALTMOUNTPOOL=""
1875
1876		# this is a list of the top-level directories in each of the
1877		# files that make up the path to the files the pool is based on
1878		FILEPOOL=$($ZPOOL status -v $pool | $GREP /$1/ | \
1879			$AWK '{print $1}')
1880
1881		# this is a list of the zvols that make up the pool
1882		ZVOLPOOL=$($ZPOOL status -v $pool | $GREP "/dev/zvol/dsk/$1$" \
1883		    | $AWK '{print $1}')
1884
1885		# also want to determine if it's a file-based pool using an
1886		# alternate mountpoint...
1887		POOL_FILE_DIRS=$($ZPOOL status -v $pool | \
1888					$GREP / | $AWK '{print $1}' | \
1889					$AWK -F/ '{print $2}' | $GREP -v "dev")
1890
1891		for pooldir in $POOL_FILE_DIRS
1892		do
1893			OUTPUT=$($ZFS list -H -r -o mountpoint $1 | \
1894					$GREP "${pooldir}$" | $AWK '{print $1}')
1895
1896			ALTMOUNTPOOL="${ALTMOUNTPOOL}${OUTPUT}"
1897		done
1898
1899
1900		if [ ! -z "$ZVOLPOOL" ]
1901		then
1902			DONT_DESTROY="true"
1903			log_note "Pool $pool is built from $ZVOLPOOL on $1"
1904		fi
1905
1906		if [ ! -z "$FILEPOOL" ]
1907		then
1908			DONT_DESTROY="true"
1909			log_note "Pool $pool is built from $FILEPOOL on $1"
1910		fi
1911
1912		if [ ! -z "$ALTMOUNTPOOL" ]
1913		then
1914			DONT_DESTROY="true"
1915			log_note "Pool $pool is built from $ALTMOUNTPOOL on $1"
1916		fi
1917	done
1918
1919	if [ -z "${DONT_DESTROY}" ]
1920	then
1921		return 0
1922	else
1923		log_note "Warning: it is not safe to destroy $1!"
1924		return 1
1925	fi
1926}
1927
1928#
1929# Get IP address of hostname
1930# $1 hostname
1931#
1932function getipbyhost
1933{
1934	typeset ip
1935	ip=`$ARP $1 2>/dev/null | $AWK -F\) '{print $1}' \
1936		| $AWK -F\('{print $2}'`
1937	$ECHO $ip
1938}
1939
1940#
1941# Setup iSCSI initiator to target
1942# $1 target hostname
1943#
1944function iscsi_isetup
1945{
1946	# check svc:/network/iscsi_initiator:default state, try to enable it
1947	# if the state is not ON
1948	typeset ISCSII_FMRI="svc:/network/iscsi_initiator:default"
1949	if [[ "ON" != $($SVCS -H -o sta $ISCSII_FMRI) ]]; then
1950		log_must $SVCADM enable $ISCSII_FMRI
1951
1952		typeset -i retry=20
1953		while [[ "ON" != $($SVCS -H -o sta $ISCSII_FMRI) && \
1954			($retry -ne 0) ]]
1955		do
1956			((retry = retry - 1))
1957			$SLEEP 1
1958		done
1959
1960		if [[ "ON" != $($SVCS -H -o sta $ISCSII_FMRI) ]]; then
1961			log_fail "$ISCSII_FMRI service can not be enabled!"
1962		fi
1963	fi
1964
1965	log_must $ISCSIADM add discovery-address $(getipbyhost $1)
1966	log_must $ISCSIADM modify discovery --sendtargets enable
1967	log_must $DEVFSADM -i iscsi
1968}
1969
1970#
1971# Check whether iscsi parameter is set as remote
1972#
1973# return 0 if iscsi is set as remote, otherwise 1
1974#
1975function check_iscsi_remote
1976{
1977	if [[ $iscsi == "remote" ]] ; then
1978		return 0
1979	else
1980		return 1
1981	fi
1982}
1983
1984#
1985# Check if a volume is a valide iscsi target
1986# $1 volume name
1987# return 0 if suceeds, otherwise, return 1
1988#
1989function is_iscsi_target
1990{
1991	typeset dataset=$1
1992	typeset target targets
1993
1994	[[ -z $dataset ]] && return 1
1995
1996	targets=$($ISCSITADM list target | $GREP "Target:" | $AWK '{print $2}')
1997	[[ -z $targets ]] && return 1
1998
1999	for target in $targets; do
2000		[[ $dataset == $target ]] && return 0
2001	done
2002
2003	return 1
2004}
2005
2006#
2007# Get the iSCSI name of a target
2008# $1 target name
2009#
2010function iscsi_name
2011{
2012	typeset target=$1
2013	typeset name
2014
2015	[[ -z $target ]] && log_fail "No parameter."
2016
2017	if ! is_iscsi_target $target ; then
2018		log_fail "Not a target."
2019	fi
2020
2021	name=$($ISCSITADM list target $target | $GREP "iSCSI Name:" \
2022		| $AWK '{print $2}')
2023
2024	return $name
2025}
2026
2027#
2028# check svc:/system/iscsitgt:default state, try to enable it if the state
2029# is not ON
2030#
2031function iscsitgt_setup
2032{
2033	log_must $RM -f $ISCSITGTFILE
2034	if [[ "ON" == $($SVCS -H -o sta $ISCSITGT_FMRI) ]]; then
2035		log_note "iscsitgt is already enabled"
2036		return
2037	fi
2038
2039	log_must $SVCADM enable -t $ISCSITGT_FMRI
2040
2041	typeset -i retry=20
2042	while [[ "ON" != $($SVCS -H -o sta $ISCSITGT_FMRI) && \
2043		($retry -ne 0) ]]
2044	do
2045		$SLEEP 1
2046		((retry = retry - 1))
2047	done
2048
2049	if [[ "ON" != $($SVCS -H -o sta $ISCSITGT_FMRI) ]]; then
2050		log_fail "$ISCSITGT_FMRI service can not be enabled!"
2051	fi
2052
2053	log_must $TOUCH $ISCSITGTFILE
2054}
2055
2056#
2057# set DISABLED state of svc:/system/iscsitgt:default
2058# which is the most suiteable state if $ISCSITGTFILE exists
2059#
2060function iscsitgt_cleanup
2061{
2062	if [[ -e $ISCSITGTFILE ]]; then
2063		log_must $SVCADM disable $ISCSITGT_FMRI
2064		log_must $RM -f $ISCSITGTFILE
2065	fi
2066}
2067
2068#
2069# Close iSCSI initiator to target
2070# $1 target hostname
2071#
2072function iscsi_iclose
2073{
2074	log_must $ISCSIADM modify discovery --sendtargets disable
2075	log_must $ISCSIADM remove discovery-address $(getipbyhost $1)
2076	$DEVFSADM -Cv
2077}
2078
2079#
2080# Get the available ZFS compression options
2081# $1 option type zfs_set|zfs_compress
2082#
2083function get_compress_opts
2084{
2085	typeset COMPRESS_OPTS
2086	typeset GZIP_OPTS="gzip gzip-1 gzip-2 gzip-3 gzip-4 gzip-5 \
2087			gzip-6 gzip-7 gzip-8 gzip-9"
2088
2089	if [[ $1 == "zfs_compress" ]] ; then
2090		COMPRESS_OPTS="on lzjb"
2091	elif [[ $1 == "zfs_set" ]] ; then
2092		COMPRESS_OPTS="on off lzjb"
2093	fi
2094	typeset valid_opts="$COMPRESS_OPTS"
2095	$ZFS get 2>&1 | $GREP gzip >/dev/null 2>&1
2096	if [[ $? -eq 0 ]]; then
2097		valid_opts="$valid_opts $GZIP_OPTS"
2098	fi
2099	$ECHO "$valid_opts"
2100}
2101
2102#
2103# Verify zfs operation with -p option work as expected
2104# $1 operation, value could be create, clone or rename
2105# $2 dataset type, value could be fs or vol
2106# $3 dataset name
2107# $4 new dataset name
2108#
2109function verify_opt_p_ops
2110{
2111	typeset ops=$1
2112	typeset datatype=$2
2113	typeset dataset=$3
2114	typeset newdataset=$4
2115
2116	if [[ $datatype != "fs" && $datatype != "vol" ]]; then
2117		log_fail "$datatype is not supported."
2118	fi
2119
2120	# check parameters accordingly
2121	case $ops in
2122		create)
2123			newdataset=$dataset
2124			dataset=""
2125			if [[ $datatype == "vol" ]]; then
2126				ops="create -V $VOLSIZE"
2127			fi
2128			;;
2129		clone)
2130			if [[ -z $newdataset ]]; then
2131				log_fail "newdataset should not be empty" \
2132					"when ops is $ops."
2133			fi
2134			log_must datasetexists $dataset
2135			log_must snapexists $dataset
2136			;;
2137		rename)
2138			if [[ -z $newdataset ]]; then
2139				log_fail "newdataset should not be empty" \
2140					"when ops is $ops."
2141			fi
2142			log_must datasetexists $dataset
2143			log_mustnot snapexists $dataset
2144			;;
2145		*)
2146			log_fail "$ops is not supported."
2147			;;
2148	esac
2149
2150	# make sure the upper level filesystem does not exist
2151	if datasetexists ${newdataset%/*} ; then
2152		log_must $ZFS destroy -rRf ${newdataset%/*}
2153	fi
2154
2155	# without -p option, operation will fail
2156	log_mustnot $ZFS $ops $dataset $newdataset
2157	log_mustnot datasetexists $newdataset ${newdataset%/*}
2158
2159	# with -p option, operation should succeed
2160	log_must $ZFS $ops -p $dataset $newdataset
2161	if ! datasetexists $newdataset ; then
2162		log_fail "-p option does not work for $ops"
2163	fi
2164
2165	# when $ops is create or clone, redo the operation still return zero
2166	if [[ $ops != "rename" ]]; then
2167		log_must $ZFS $ops -p $dataset $newdataset
2168	fi
2169
2170	return 0
2171}
2172
2173#
2174# Get configuration of pool
2175# $1 pool name
2176# $2 config name
2177#
2178function get_config
2179{
2180	typeset pool=$1
2181	typeset config=$2
2182	typeset alt_root
2183
2184	if ! poolexists "$pool" ; then
2185		return 1
2186	fi
2187	alt_root=$($ZPOOL list -H $pool | $AWK '{print $NF}')
2188	if [[ $alt_root == "-" ]]; then
2189		value=$($ZDB -C $pool | $GREP "$config:" | $AWK -F: \
2190		    '{print $2}')
2191	else
2192		value=$($ZDB -e $pool | $GREP "$config:" | $AWK -F: \
2193		    '{print $2}')
2194	fi
2195	if [[ -n $value ]] ; then
2196		value=${value#'}
2197		value=${value%'}
2198	fi
2199	echo $value
2200
2201	return 0
2202}
2203
2204#
2205# Privated function. Random select one of items from arguments.
2206#
2207# $1 count
2208# $2-n string
2209#
2210function _random_get
2211{
2212	typeset cnt=$1
2213	shift
2214
2215	typeset str="$@"
2216	typeset -i ind
2217	((ind = RANDOM % cnt + 1))
2218
2219	typeset ret=$($ECHO "$str" | $CUT -f $ind -d ' ')
2220	$ECHO $ret
2221}
2222
2223#
2224# Random select one of item from arguments which include NONE string
2225#
2226function random_get_with_non
2227{
2228	typeset -i cnt=$#
2229	((cnt =+ 1))
2230
2231	_random_get "$cnt" "$@"
2232}
2233
2234#
2235# Random select one of item from arguments which doesn't include NONE string
2236#
2237function random_get
2238{
2239	_random_get "$#" "$@"
2240}
2241
2242#
2243# Detect if the current system support slog
2244#
2245function verify_slog_support
2246{
2247	typeset dir=/tmp/disk.$$
2248	typeset pool=foo.$$
2249	typeset vdev=$dir/a
2250	typeset sdev=$dir/b
2251
2252	$MKDIR -p $dir
2253	$MKFILE 64M $vdev $sdev
2254
2255	typeset -i ret=0
2256	if ! $ZPOOL create -n $pool $vdev log $sdev > /dev/null 2>&1; then
2257		ret=1
2258	fi
2259	$RM -r $dir
2260
2261	return $ret
2262}
2263
2264#
2265# The function will generate a dataset name with specific length
2266# $1, the length of the name
2267# $2, the base string to construct the name
2268#
2269function gen_dataset_name
2270{
2271	typeset -i len=$1
2272	typeset basestr="$2"
2273	typeset -i baselen=${#basestr}
2274	typeset -i iter=0
2275	typeset l_name=""
2276
2277	if ((len % baselen == 0)); then
2278		((iter = len / baselen))
2279	else
2280		((iter = len / baselen + 1))
2281	fi
2282	while ((iter > 0)); do
2283		l_name="${l_name}$basestr"
2284
2285		((iter -= 1))
2286	done
2287
2288	$ECHO $l_name
2289}
2290
2291#
2292# Get cksum tuple of dataset
2293# $1 dataset name
2294#
2295# sample zdb output:
2296# Dataset data/test [ZPL], ID 355, cr_txg 2413856, 31.0K, 7 objects, rootbp
2297# DVA[0]=<0:803046400:200> DVA[1]=<0:81199000:200> [L0 DMU objset] fletcher4
2298# lzjb LE contiguous unique double size=800L/200P birth=2413856L/2413856P
2299# fill=7 cksum=11ce125712:643a9c18ee2:125e25238fca0:254a3f74b59744
2300function datasetcksum
2301{
2302	typeset cksum
2303	$SYNC
2304	cksum=$($ZDB -vvv $1 | $GREP "^Dataset $1 \[" | $GREP "cksum" \
2305		| $AWK -F= '{print $7}')
2306	$ECHO $cksum
2307}
2308
2309#
2310# Get cksum of file
2311# #1 file path
2312#
2313function checksum
2314{
2315	typeset cksum
2316	cksum=$($CKSUM $1 | $AWK '{print $1}')
2317	$ECHO $cksum
2318}
2319
2320#
2321# Get the given disk/slice state from the specific field of the pool
2322#
2323function get_device_state #pool disk field("", "spares","logs")
2324{
2325	typeset pool=$1
2326	typeset disk=${2#/dev/dsk/}
2327	typeset field=${3:-$pool}
2328
2329	state=$($ZPOOL status -v "$pool" 2>/dev/null | \
2330		$NAWK -v device=$disk -v pool=$pool -v field=$field \
2331		'BEGIN {startconfig=0; startfield=0; }
2332		/config:/ {startconfig=1}
2333		(startconfig==1) && ($1==field) {startfield=1; next;}
2334		(startfield==1) && ($1==device) {print $2; exit;}
2335		(startfield==1) &&
2336		($1==field || $1 ~ "^spares$" || $1 ~ "^logs$") {startfield=0}')
2337	echo $state
2338}
2339
2340
2341#
2342# print the given directory filesystem type
2343#
2344# $1 directory name
2345#
2346function get_fstype
2347{
2348	typeset dir=$1
2349
2350	if [[ -z $dir ]]; then
2351		log_fail "Usage: get_fstype <directory>"
2352	fi
2353
2354	#
2355	#  $ df -n /
2356	#  /		  : ufs
2357	#
2358	$DF -n $dir | $AWK '{print $3}'
2359}
2360
2361#
2362# Given a disk, label it to VTOC regardless what label was on the disk
2363# $1 disk
2364#
2365function labelvtoc
2366{
2367	typeset disk=$1
2368	if [[ -z $disk ]]; then
2369		log_fail "The disk name is unspecified."
2370	fi
2371	typeset label_file=/var/tmp/labelvtoc.$$
2372	typeset arch=$($UNAME -p)
2373
2374	if [[ $arch == "i386" ]]; then
2375		$ECHO "label" > $label_file
2376		$ECHO "0" >> $label_file
2377		$ECHO "" >> $label_file
2378		$ECHO "q" >> $label_file
2379		$ECHO "q" >> $label_file
2380
2381		$FDISK -B $disk >/dev/null 2>&1
2382		# wait a while for fdisk finishes
2383		$SLEEP 60
2384	elif [[ $arch == "sparc" ]]; then
2385		$ECHO "label" > $label_file
2386		$ECHO "0" >> $label_file
2387		$ECHO "" >> $label_file
2388		$ECHO "" >> $label_file
2389		$ECHO "" >> $label_file
2390		$ECHO "q" >> $label_file
2391	else
2392		log_fail "unknown arch type"
2393	fi
2394
2395	$FORMAT -e -s -d $disk -f $label_file
2396	typeset -i ret_val=$?
2397	$RM -f $label_file
2398	#
2399	# wait the format to finish
2400	#
2401	$SLEEP 60
2402	if ((ret_val != 0)); then
2403		log_fail "unable to label $disk as VTOC."
2404	fi
2405
2406	return 0
2407}
2408
2409#
2410# check if the system was installed as zfsroot or not
2411# return: 0 ture, otherwise false
2412#
2413function is_zfsroot
2414{
2415	$DF -n / | $GREP zfs > /dev/null 2>&1
2416	return $?
2417}
2418
2419#
2420# get the root filesystem name if it's zfsroot system.
2421#
2422# return: root filesystem name
2423function get_rootfs
2424{
2425	typeset rootfs=""
2426	rootfs=$($AWK '{if ($2 == "/" && $3 == "zfs") print $1}' \
2427		/etc/mnttab)
2428	if [[ -z "$rootfs" ]]; then
2429		log_fail "Can not get rootfs"
2430	fi
2431	$ZFS list $rootfs > /dev/null 2>&1
2432	if (($? == 0)); then
2433		$ECHO $rootfs
2434	else
2435		log_fail "This is not a zfsroot system."
2436	fi
2437}
2438
2439#
2440# get the rootfs's pool name
2441# return:
2442#       rootpool name
2443#
2444function get_rootpool
2445{
2446	typeset rootfs=""
2447	typeset rootpool=""
2448	rootfs=$($AWK '{if ($2 == "/" && $3 =="zfs") print $1}' \
2449		 /etc/mnttab)
2450	if [[ -z "$rootfs" ]]; then
2451		log_fail "Can not get rootpool"
2452	fi
2453	$ZFS list $rootfs > /dev/null 2>&1
2454	if (($? == 0)); then
2455		rootpool=`$ECHO $rootfs | awk -F\/ '{print $1}'`
2456		$ECHO $rootpool
2457	else
2458		log_fail "This is not a zfsroot system."
2459	fi
2460}
2461
2462#
2463# Get the sub string from specified source string
2464#
2465# $1 source string
2466# $2 start position. Count from 1
2467# $3 offset
2468#
2469function get_substr #src_str pos offset
2470{
2471	typeset pos offset
2472
2473	$ECHO $1 | \
2474		$NAWK -v pos=$2 -v offset=$3 '{print substr($0, pos, offset)}'
2475}
2476
2477#
2478# Check if the given device is physical device
2479#
2480function is_physical_device #device
2481{
2482	typeset device=${1#/dev/dsk/}
2483	device=${device#/dev/rdsk/}
2484
2485	$ECHO $device | $EGREP "^c[0-F]+([td][0-F]+)+$" > /dev/null 2>&1
2486	return $?
2487}
2488
2489#
2490# Get the directory path of given device
2491#
2492function get_device_dir #device
2493{
2494	typeset device=$1
2495
2496	if ! $(is_physical_device $device) ; then
2497		if [[ $device != "/" ]]; then
2498			device=${device%/*}
2499		fi
2500		$ECHO $device
2501	else
2502		$ECHO "/dev/dsk"
2503	fi
2504}
2505
2506#
2507# Get the package name
2508#
2509function get_package_name
2510{
2511	typeset dirpath=${1:-$STC_NAME}
2512
2513	echo "SUNWstc-${dirpath}" | /usr/bin/sed -e "s/\//-/g"
2514}
2515
2516#
2517# Get the word numbers from a string separated by white space
2518#
2519function get_word_count
2520{
2521	$ECHO $1 | $WC -w
2522}
2523
2524#
2525# To verify if the require numbers of disks is given
2526#
2527function verify_disk_count
2528{
2529	typeset -i min=${2:-1}
2530
2531	typeset -i count=$(get_word_count "$1")
2532
2533	if ((count < min)); then
2534		log_untested "A minimum of $min disks is required to run." \
2535			" You specified $count disk(s)"
2536	fi
2537}
2538
2539function ds_is_volume
2540{
2541	typeset type=$(get_prop type $1)
2542	[[ $type = "volume" ]] && return 0
2543	return 1
2544}
2545
2546function ds_is_filesystem
2547{
2548	typeset type=$(get_prop type $1)
2549	[[ $type = "filesystem" ]] && return 0
2550	return 1
2551}
2552
2553function ds_is_snapshot
2554{
2555	typeset type=$(get_prop type $1)
2556	[[ $type = "snapshot" ]] && return 0
2557	return 1
2558}
2559
2560#
2561# Check if Trusted Extensions are installed and enabled
2562#
2563function is_te_enabled
2564{
2565	$SVCS -H -o state labeld 2>/dev/null | $GREP "enabled"
2566	if (($? != 0)); then
2567		return 1
2568	else
2569		return 0
2570	fi
2571}
2572
2573# Utility function to determine if a system has multiple cpus.
2574function is_mp
2575{
2576	(($(psrinfo -p) > 1))
2577}
2578
2579# Run the given command as the user provided.
2580function user_run
2581{
2582	typeset user=$1
2583	shift
2584
2585	eval \$SU \$user -c \"$@\" > /tmp/out 2>/tmp/err
2586	return $?
2587}
2588