create_maxscale.sh - terraform-mariadb-replica-homelab - A terraform homelab with mariadb and maxscale for my own understanding and learning.

create_maxscale.sh (694B)

#!/bin/bash

BOUNDARY=$1
NUMBER=$2
PORT=$3
ROOT_SRC=$4
TARGET_SRV=$5
TMP=$(mktemp)
CREATED_SERVERS_FILE=$ROOT_SRC/created_servers.txt

if [[ $BOUNDARY -lt 4 ]]; then
    exit 1
fi

CREATED_SERVERS_VAR=""
ENDPOINT=$(echo "$BOUNDARY + $NUMBER" | bc)
for ((i = $BOUNDARY; i < $ENDPOINT; i++  )); do
    CREATED_SERVERS_VAR="${CREATED_SERVERS_VAR}server${i},"
done

echo "$CREATED_SERVERS_VAR" | sed 's/,$//' > $CREATED_SERVERS_FILE

awk -v boundary=$BOUNDARY -v number=$NUMBER -v port=$PORT -v address=$TARGET_SRV -f $ROOT_SRC/awk_scripts/create_maxscale.awk /etc/maxscale.cnf > $TMP
cat /etc/maxscale.cnf > /etc/maxscale.cnf.last
cat $TMP > /etc/maxscale.cnf

systemctl restart maxscale

rm $TMP

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