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#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
#

. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zpool_create/zpool_create.cfg

#
# Given a pool vdevs list, create the pool,verify the created pool,
# and destroy the pool
# $1, pool name
# $2, pool type, mirror, raidz, or none
# $3, vdevs list
#
function create_pool_test
{
	typeset pool=$1
	typeset keywd=$2
	typeset vdevs
	eval "typeset -a diskarray=($3)"

	for vdevs in "${diskarray[@]}"; do
		create_pool $pool $keywd $vdevs
		log_must poolexists $pool
		destroy_pool $pool
	done
}

#
# Create a file for storage pool vdev
# $1, file size
#
function create_blockfile
{
	typeset size=$1
	typeset file=$(mktemp)
	truncate -s $size $file
	echo $file
}

#
# Find the storage device in /etc/vfstab
#
function find_vfstab_dev
{
	typeset vfstabdev
	typeset vfstabdevs=""
	typeset line

	if is_illumos; then
		vfstab="/etc/vfstab"
		tmpfile="$TEST_BASE_DIR/vfstab.tmp"
	else
		vfstab="/etc/fstab"
		tmpfile="$TEST_BASE_DIR/fstab.tmp"
	fi

	cat $vfstab | grep "^${DEV_DSKDIR}" >$tmpfile
	while read -r line
	do
		vfstabdev=`echo "$line" | awk '{print $1}'`
		vfstabdev=${vfstabdev%%:}
		vfstabdevs="$vfstabdev $vfstabdevs"
	done <$tmpfile

	rm -f $tmpfile
	echo $vfstabdevs
}

#
# Save the system current dump device configuration
#
function save_dump_dev
{
	typeset dumpdev=""

	if is_illumos; then
		typeset fnd="Dump device"
		dumpdev=`dumpadm | grep "$fnd" | cut -f2 -d : | \
			awk '{print $1}'`
	fi
	echo $dumpdev
}

#
# Verify a pools enabled features match the provided feature set.
# $1, pool name
# $2, feature set(s)
#
# check_feature_set $TESTPOOL set1 set2 set3 ...
#
function check_feature_set
{
	typeset pool=$1
	typeset feature_set=$2
	shift

	for set in "$@"; do
		if test -e "$ZPOOL_COMPAT_DIR/$set"; then
			file="$ZPOOL_COMPAT_DIR/$set"
		else
			log_fail "Missing feature file: $ZPOOL_COMPAT_DIR/$set"
		fi
	done

	#
	# Create a temporary file which contains all features which are
	# common to the listed feature sets.  This is used for comparison
	# below to determine which features should be enabled.
	#
	typeset tmpfile=$(mktemp)

	while read line; do
		typeset flag=1

		if [[ "$line" == "#*" ]]; then
			continue
		fi

		for set in "$@"; do
			if ! grep -q "$line" $ZPOOL_COMPAT_DIR/$set; then
				flag=0
				break;
			fi
		done

		if [[ $flag -eq 1 ]]; then
			echo "$line" >>$tmpfile
		fi
	done <"$file"

	#
	# Verify every enabled feature appears in the merged feature set.
	# Verify every disabled feature does not.
	#
	for feature in $(zpool get all $pool | \
	    awk '$2 ~ /feature@/ { print $2 }'); do
		state=$(get_pool_prop $feature $pool)
		name=$(cut -d'@' -f2 <<<"$feature")

		if [[ "$state" = "enabled" || "$state" = "active" ]]; then
			if ! grep -q $name $tmpfile; then
				cat $tmpfile
				rm -f $tmpfile
				log_fail "Enabled feature $name not " \
				    "in feature set file"
			fi
		elif [[ "$state" = "disabled" ]]; then
			if grep -q $name $tmpfile; then
				cat $tmpfile
				rm -f $tmpfile
				log_fail "Disabled feature $name is " \
				    "in feature set file"
			fi
		else
			rm -f $tmpfile
			log_fail "Feature $name in unknown state $state"
		fi
	done

	log_note "Checked all features"

	rm -f $tmpfile
}