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