Mainflux.mainflux/docker/addons/cassandra-writer/init.sh

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#!/usr/bin/env bash
until printf "" 2>>/dev/null >>/dev/tcp/mainflux-cassandra/9042; do
sleep 5;
echo "Waiting for cassandra...";
done
echo "Creating keyspace and table..."
cqlsh mainflux-cassandra -e "CREATE KEYSPACE IF NOT EXISTS mainflux WITH replication = {'class':'SimpleStrategy','replication_factor':'1'};"