Off-The-Shelf solution to run a cluster for Big Data with docker.
Software installed:
Before to start, you have to had the following softwares to be installed on all your machines:
https://docs.docker.com/engine/installation/
Run the following command on your master pc.
$ sudo docker swarm init --advertise-addr <ip of your master>Then, make every node of your cluster, to join the docker swarm cluster.
$ sudo docker swarm join --token <secret token> <ip of your master>Now that you have all the nodes connected to the swarm, create a network overlay on your master.
$ sudo docker network create --attachable --driver overlay --subnet 10.0.1.0/24 hadoop_clusterThis container will run Serf and dnsmasqd.
Serf is tool for cluster membership, failure detection, and orchestration.
dnsmasqd is a lightweight, easy to configure, DNS forwarder.
This container will serve to the cluster the functionality of resolving internal hostnames and detecting when a new slave joins the cluster.
$ sudo docker build -t dns:latest -f Dockerfile-DNS .Run the container
$ sudo docker run -d -ti --name dns --add-host master:10.0.1.2 --hostname cluster-dns --ip 10.0.1.254 --network hadoop_cluster -e TZ=Europe/Rome <image id> bash -c "/root/boot_dns.sh"Build the image
$ sudo docker build -t hadoop:latest .Run the container
$ sudo docker run -d -ti --name master -p 54311:54311 -p 50070:50070 -p 9000:9000 -p 8030:8030 -p 8031:8031 -p 8032:8032 -p 8033:8033 -p 8088:8088 -p 2122:22 --add-host master:10.0.1.2 --add-host cluster-dns:10.0.1.254 --hostname master --ip 10.0.1.2 --dns 10.0.1.254 --network hadoop_cluster -e TZ=Europe/Rome <image id> bash -c "/root/boot_master.sh"Build the image
$ sudo docker build -t hadoop:latest .Run the container
$ sudo docker run -d -ti --name slave --add-host master:10.0.1.2 --add-host cluster-dns:10.0.1.254 --dns 10.0.1.254 --network hadoop_cluster -e TZ=Europe/Rome <image id> bash -c "/root/boot_slave.sh"
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