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@pcan
Last active August 6, 2020 07:03
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Redis test cluster without ruby

These scripts let you run Redis in cluster mode (only for testing/dev purpose), without using the redis-trib script (written in Ruby! who wants it!?). The create-cluster has been modified to assign cluster slots after creation.

#!/bin/bash
# Settings
PORT=30000
TIMEOUT=5000
NODES=3
REPLICAS=1
SLOTS=16384
# You may want to put the above config parameters into config.sh in order to
# override the defaults without modifying this script.
if [ -a config.sh ]
then
source "config.sh"
fi
# Computed vars
ENDPORT=$((PORT+NODES))
if [ "$1" == "start" ]
then
while [ $((PORT < ENDPORT)) != "0" ]; do
PORT=$((PORT+1))
echo "Starting $PORT"
../../src/redis-server --port $PORT --cluster-enabled yes --cluster-config-file nodes-${PORT}.conf --cluster-node-timeout $TIMEOUT --appendonly yes --appendfilename appendonly-${PORT}.aof --dbfilename dump-${PORT}.rdb --logfile ${PORT}.log --daemonize yes --protected-mode no
done
exit 0
fi
if [ "$1" == "create" ]
then
TMPPORT=$((PORT))
while [ $((TMPPORT < ENDPORT - 1)) != "0" ]; do
TMPPORT=$((TMPPORT+1))
echo "Meeting $((PORT+1)) with $((TMPPORT + 1))"
../../src/redis-cli -c -h 127.0.0.1 -p $((PORT+1)) cluster meet 127.0.0.1 $((TMPPORT + 1))
done
SLOTSIZE=$((SLOTS / NODES))
SLOTIDX=0
TMPPORT=$((PORT))
while [ $((TMPPORT < ENDPORT)) != "0" ]; do
TMPPORT=$((TMPPORT+1))
IDXFROM=$((SLOTIDX));
SLOTIDX=$((SLOTIDX + SLOTSIZE))
if [ $((TMPPORT == ENDPORT)) != "0" ]
then
IDXTO=$((SLOTS))
else
IDXTO=$((SLOTIDX))
fi
echo "Clustering from $IDXFROM to $IDXTO"
i=$IDXFROM
RANGE=""
for ((; i<$IDXTO; i++)) do
RANGE="$RANGE $i"
done
../../src/redis-cli -h 127.0.0.1 -p $TMPPORT CLUSTER ADDSLOTS $RANGE
done
exit 0
fi
if [ "$1" == "stop" ]
then
while [ $((PORT < ENDPORT)) != "0" ]; do
PORT=$((PORT+1))
echo "Stopping $PORT"
../../src/redis-cli -p $PORT shutdown nosave
done
rm *.conf
rm *.log
rm *.aof
exit 0
fi
if [ "$1" == "watch" ]
then
PORT=$((PORT+1))
while [ 1 ]; do
clear
date
../../src/redis-cli -p $PORT cluster nodes | head -30
sleep 1
done
exit 0
fi
if [ "$1" == "tail" ]
then
INSTANCE=$2
PORT=$((PORT+INSTANCE))
tail -f ${PORT}.log
exit 0
fi
if [ "$1" == "call" ]
then
while [ $((PORT < ENDPORT)) != "0" ]; do
PORT=$((PORT+1))
../../src/redis-cli -p $PORT $2 $3 $4 $5 $6 $7 $8 $9
done
exit 0
fi
if [ "$1" == "clean" ]
then
rm -rf *.log
rm -rf appendonly*.aof
rm -rf dump*.rdb
rm -rf nodes*.conf
exit 0
fi
echo "Usage: $0 [start|create|stop|watch|tail|clean]"
echo "start -- Launch Redis Cluster instances."
echo "create -- Create a cluster using redis-trib create."
echo "stop -- Stop Redis Cluster instances."
echo "watch -- Show CLUSTER NODES output (first 30 lines) of first node."
echo "tail <id> -- Run tail -f of instance at base port + ID."
echo "clean -- Remove all instances data, logs, configs."
#!/bin/bash
cd "${0%/*}"
./create-cluster start
sleep 1
./create-cluster create
sleep 2
#!/bin/bash
cd "${0%/*}"
./create-cluster stop
sleep 2
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