clusterflux.sh

#!/bin/sh

# base directory where cluster configs will be created
BASEDIR="/tmp/influxdb-cluster"

# delete the base dir if it exists
if [ -d "$BASEDIR" ]; then
	rm -rf $BASEDIR
fi

# create the base dir for cluster configs
mkdir -p $BASEDIR

# copy influxd and influx executables to cluster base dir
# note: you need to set the IFLX environment variable to the root
#       of the influxdb source tree or modify these two lines.
cp $IFLX/cmd/influxd/influxd $BASEDIR
cp $IFLX/cmd/influx/influx $BASEDIR

# change to the base dir
cd $BASEDIR

# addNode takes a node number and creates a sub directory for the node's
# config and data files
addNode () {
	# node's base directory
	NODEDIR="$BASEDIR/n$1"
	# node's config file
	NODECFG="$NODEDIR/influxdb.conf"

	# make the node's base directory
	mkdir -p $NODEDIR

	# tell influxd to generate a default config for the node
	./influxd config > $NODECFG
	# replace the port numbers in the config based on the node number passed in
	sed -i.bak s/:80/:8$1/g $NODECFG
	# replace the default InfluxDB data dir with this node's dir
	sed -i.bak s@$HOME@$NODEDIR@g $NODECFG
}

# call addNode to generate node configurations
addNode "1"
addNode "2"
addNode "3"

# bring up the nodes and join them as a cluster
./influxd -config n1/influxdb.conf &
sleep 5
./influxd -config n2/influxdb.conf -join ":8191" &
./influxd -config n3/influxdb.conf -join ":8191" &