#!/bin/bash
# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. 
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this code except in compliance
# with the License. You may obtain a copy of the License
# at http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software  
# distributed under the License is distributed on an "AS IS" BASIS,  
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or  
# implied. See the License for the specific language governing  
# permissions and limitations under the License. 


set -x

die()
{
    echo $0: "$@" 1>&2
    echo $0: "$@"
    umask 022
    echo $0: "$@" >> /tmp/pgaas-failures
    exit 1
}

[ -n "$CFGDIR" ] || die "CFGDIR is not set"

cd $CFGDIR/main || die "Cannot cd $CFGDIR/main"
PATH=${INSTALL_ROOT}/opt/app/pgaas/bin:${INSTALL_ROOT}/opt/app/cdf/bin:$PATH
LOGDIR=/opt/logs/dcae/postgresql/server

PGNODES=$( getpropvalue -n pgnodes )

CLUSTER=pgaas
HOSTNAME=`hostname -f`
PGNODEVALUE=$( gen-repmgr-info -n "$PGNODES" -l "$HOSTNAME" )
UPSTREAMPGNODE=$( gen-repmgr-info -n "$PGNODES" -c "$HOSTNAME" )

UPSTREAMTEXT="#upstream_node="
case $UPSTREAMPGNODE in
    DEFAULT ) ;;
    * ) UPSTREAMTEXT="upstream_node=$UPSTREAMPGNODE" ;;
esac

cat <<-EOF > repmgr.conf
	cluster=$CLUSTER
	node=$PGNODEVALUE
	node_name=$HOSTNAME
	conninfo='host=$HOSTNAME user=repmgr dbname=repmgr'
	use_replication_slots=1
	$UPSTREAMTEXT

	failover=automatic
	promote_command='repmgr standby promote -f $CFGDIR/main/repmgr.conf'
	follow_command='repmgr standby follow -f $CFGDIR/main/repmgr.conf'
	event_notification_command='/opt/app/pgaas/bin/repmgrd-status-changes %n %e %s "%t" "%d"'

	#Log level: possible values are DEBUG, INFO, NOTICE, WARNING, ERR, ALERT, CRIT or EMERG
	loglevel=INFO
	logfile='$LOGDIR/repmgr.log'
EOF