diff options
| -rw-r--r-- | .gitignore | 2 | ||||
| -rwxr-xr-x | tests/make-cluster.sh | 136 |
2 files changed, 137 insertions, 1 deletions
@@ -6,7 +6,7 @@ config.* *.o install-sh libtool -*.sh +./*.sh configure* *.lo build* diff --git a/tests/make-cluster.sh b/tests/make-cluster.sh new file mode 100755 index 00000000..64061486 --- /dev/null +++ b/tests/make-cluster.sh @@ -0,0 +1,136 @@ +#!/bin/bash + +# make-cluster.sh +# This is a simple script used to automatically spin up a Redis cluster instance +# simplifying the process of running unit tests. +# +# Usage: +# ./make-cluster.sh start +# ./make-cluster.sh stop +# + +BASEDIR=`dirname $@` +NODEDIR=$BASEDIR/nodes +MAPFILE=$NODEDIR/nodemap + +# Nodes, replicas, ports, etc. Change if you want different values +NODES=12 +REPLICAS=3 +START_PORT=7000 +END_PORT=`expr $START_PORT + $NODES` + +# Helper to determine if we have an executable +checkExe() { + if ! hash $1 > /dev/null 2>&1; then + echo "Error: Must have $1 on the path!" + exit 1 + fi +} + +# Run a command and output what we're running +verboseRun() { + echo "Running: $@" + $@ +} + +# Spawn a specific redis instance, cluster enabled +spawnNode() { + # Attempt to spawn the node + verboseRun redis-server --cluster-enabled yes --dir $NODEDIR --port $PORT \ + --cluster-config-file node-$PORT.conf --daemonize yes --save \'\' \ + --bind '127.0.0.1' --dbfilename node-$PORT.rdb + + # Abort if we can't spin this instance + if [ $? -ne 0 ]; then + echo "Error: Can't spawn node at port $PORT." + exit 1 + fi +} + +# Spawn nodes from start to end port +spawnNodes() { + for PORT in `seq $START_PORT $END_PORT`; do + # Attempt to spawn the node + spawnNode $PORT + + # Add this host:port to our nodemap so the tests can get seeds + echo "127.0.0.1:$PORT" >> $MAPFILE + done +} + +# Check to see if any nodes are running +checkNodes() { + echo -n "Checking port availability " + + for PORT in `seq $START_PORT $END_PORT`; do + redis-cli -p $PORT ping > /dev/null 2>&1 + if [ $? -eq 0 ]; then + echo "FAIL" + echo "Error: There appears to be an instance running at port $PORT" + exit 1 + fi + done + + echo "OK" +} + +# Create our 'node' directory if it doesn't exist and clean out any previous +# configuration files from a previous run. +cleanConfigInfo() { + verboseRun mkdir -p $NODEDIR + verboseRun rm -f $NODEDIR/* +} + +# Initialize our cluster with redis-trib.rb +initCluster() { + TRIBARGS="" + for PORT in `seq $START_PORT $END_PORT`; do + TRIBARGS="$TRIBARGS 127.0.0.1:$PORT" + done + + verboseRun redis-trib.rb create --replicas $REPLICAS $TRIBARGS + + if [ $? -ne 0 ]; then + echo "Error: Couldn't create cluster!" + exit 1 + fi +} + +# Attempt to spin up our cluster +startCluster() { + # Make sure none of these nodes are already running + checkNodes + + # Clean out node configuration, etc + cleanConfigInfo + + # Attempt to spawn the nodes + spawnNodes + + # Attempt to initialize the cluster + initCluster +} + +# Shut down nodes in our cluster +stopCluster() { + for PORT in `seq $START_PORT $END_PORT`; do + verboseRun redis-cli -p $PORT SHUTDOWN NOSAVE > /dev/null 2>&1 + done +} + +# Make sure we have redis-server and redis-trib.rb on the path +checkExe redis-server +checkExe redis-trib.rb + +# Main entry point to start or stop/kill a cluster +case "$1" in + start) + startCluster + ;; + stop) + stopCluster + ;; + *) + echo "Usage $0 [start|stop]" + ;; +esac |