#!/bin/sh
#
# 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 2022 Gary Mills
#

. /lib/svc/share/smf_include.sh

SVC_FMRI=svc:/application/backup/zrepl
DEFAULT_FMRI=${SVC_FMRI}:default
ZREPL_BIN=/usr/bin/zrepl
ZREPL_YML=/etc/zrepl/zrepl.yml
ZREPL_REF=${ZREPL_YML}-ref
SOCK_DIR=/var/run/zrepl
SOCK_PERM=0750
SOCK_CTL=${SOCK_DIR}/control

if [ ! -f ${ZREPL_YML} ]; then
	echo "${ZREPL_YML} not found. Exiting."
	exit $SMF_EXIT_ERR_CONFIG
fi

if [ ! -f ${ZREPL_BIN} ]; then
	echo "${ZREPL_BIN} not found. Exiting."
	exit $SMF_EXIT_ERR_CONFIG
fi

if [ ! -x ${ZREPL_BIN} ]; then
	echo "${ZREPL_BIN} not executable. Exiting."
	exit $SMF_EXIT_ERR_CONFIG
fi

/usr/bin/cmp -s $ZREPL_YML $ZREPL_REF
if [ $? -eq 0 ]; then
	echo "${ZREPL_YML} not modified. Exiting."
	exit $SMF_EXIT_ERR_CONFIG
fi

${ZREPL_BIN} configcheck
if [ $? -ne 0 ]; then
	echo "${ZREPL_YML} has errors. Exiting."
	exit $SMF_EXIT_ERR_CONFIG
fi

if [ ! -d ${SOCK_DIR} ]; then
	/usr/bin/mkdir -m ${SOCK_PERM} ${SOCK_DIR}
	if [ $? -ne 0 ]; then
		echo "Failed to create ${SOCK_DIR}. Exiting."
		exit $SMF_EXIT_ERR_CONFIG
	fi
fi

# Start the zrepl daemon
${ZREPL_BIN} daemon &

# Wait for socket creation
sleep 5

# Fix permissions
/usr/bin/chmod go+w ${SOCK_CTL}

# Report zero
exit $SMF_EXIT_OK