#

# 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

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# Use is subject to license terms.

#

ZONE_SUBPROC_OK=0

ZONE_SUBPROC_USAGE=253

ZONE_SUBPROC_INCOMPLETE=254

ZONE_SUBPROC_FATAL=255

PROP_PARENT="org.opensolaris.libbe:parentbe"

PROP_ACTIVE="org.opensolaris.libbe:active"

f_zfs_in_root=$(gettext "Installing a zone in the ROOT pool is unsupported.")

f_zfs_create=$(gettext "Unable to create the zone's ZFS dataset.")

f_root_create=$(gettext "Unable to create the zone's ZFS dataset mountpoint.")

f_no_gzbe=$(gettext "Error: unable to determine global zone boot environment.")

f_no_ds=$(gettext "Error: no zonepath dataset.")

f_multiple_ds=$(gettext "Error: multiple active datasets.")

f_no_active_ds=$(gettext "Error: no active dataset.")

f_zfs_mount=$(gettext "Unable to mount the zone's ZFS dataset.")

fail_incomplete() {

	exit $ZONE_SUBPROC_INCOMPLETE

}

fail_fatal() {

	exit $ZONE_SUBPROC_FATAL

}

fail_usage() {

	print "Usage: $1"

	exit $ZONE_SUBPROC_USAGE

}

get_current_gzbe() {

	#

	# If there is no beadm command then the system doesn't really

	# support multiple boot environments.  We still want zones to work,

	# so simulate the existence of a single boot environment.

	#

	if [ -x /usr/sbin/beadm ]; then

		CURRENT_GZBE=`/usr/sbin/beadm list -H | /usr/bin/nawk -F\; '{

			# Field 3 is the BE status.  'N' is the active BE.

			if ($3 ~ "N")

				# Field 2 is the BE UUID

				print $2

		}'`

	else

		CURRENT_GZBE="opensolaris"

	fi

	if [ -z "$CURRENT_GZBE" ]; then

		fail_fatal "$f_no_gzbe"

	fi

}

# Find the dataset mounted on the zonepath.

get_zonepath_ds() {

	ZONEPATH_DS=`/usr/sbin/zfs list -H -t filesystem -o name,mountpoint | \

	    /usr/bin/nawk -v zonepath=$1 '{

		if ($2 == zonepath)

			print $1

	}'`

	if [ -z "$ZONEPATH_DS" ]; then

		fail_fatal "$f_no_ds"

	fi

}

# Find the active dataset under the zonepath dataset to mount on zonepath/root.

# $1 CURRENT_GZBE

# $2 ZONEPATH_DS

get_active_ds() {

	ACTIVE_DS=`/usr/sbin/zfs list -H -r -t filesystem \

	    -o name,$PROP_PARENT,$PROP_ACTIVE $2/ROOT | \

	    /usr/bin/nawk -v gzbe=$1 ' {

		if ($1 ~ /ROOT\/[^\/]+$/ && $2 == gzbe && $3 == "on") {

			print $1

			if (found == 1)

				exit 1

			found = 1

		}

	    }'`

	if [ $? -ne 0 ]; then

		fail_fatal "$f_multiple_ds"

	fi

	if [ -z "$ACTIVE_DS" ]; then

		fail_fatal "$f_no_active_ds"

	fi

}

# Check that zone is not in the ROOT dataset.

fail_zonepath_in_rootds() {

	case $1 in

		rpool/ROOT/*)

			fail_fatal "$f_zfs_in_root"

			break;

			;;

		*)

			break;

			;;

	esac

}