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#!/usr/bin/sh
# This script is simple wrapper around garbd, that parses startup configuration.
# Its main purpose is to bridge the differences between initscript and systemd unit file.
CONFIG_FILE=/etc/sysconfig/garb
source $CONFIG_FILE
# Check that node addresses and group name are configured
if [ -z "$GALERA_NODES" ]; then
echo "List of GALERA_NODES is not configured" >&2
exit 1
fi
if [ -z "$GALERA_GROUP" ]; then
echo "GALERA_GROUP name is not configured" >&2
exit 1
fi
GALERA_PORT=${GALERA_PORT:-4567}
# Find a working node
for ADDRESS in ${GALERA_NODES} 0; do
HOST=$(echo $ADDRESS | cut -d \: -f 1)
PORT=$(echo $ADDRESS | cut -s -d \: -f 2)
PORT=${PORT:-$GALERA_PORT}
ncat --send-only --recv-only $HOST $PORT >/dev/null && break
done
if [ ${ADDRESS} == "0" ]; then
echo "None of the nodes in GALERA_NODES is accessible" >&2
exit 1
fi
OPTIONS="-a gcomm://$ADDRESS"
[ -n "$GALERA_GROUP" ] && OPTIONS="$OPTIONS -g $GALERA_GROUP"
[ -n "$GALERA_OPTIONS" ] && OPTIONS="$OPTIONS -o $GALERA_OPTIONS"
[ -n "$LOG_FILE" ] && OPTIONS="$OPTIONS -l $LOG_FILE"
exec /usr/sbin/garbd $OPTIONS