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How To Launch Multiple VM’s With Single Vagrantfile
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Often times you might want to launch more than one VM of a related application with different configurations. In this case, you don’t have to create multiple vagrant configurations. You can use a single Vagrantfile with multiple configurations as shown below. The best part is you can start VM’s individually rather than starting all VM’s at once.
An example configuration which launches three VM’s is shown below.
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Vagrant.configure("2") do |config| config.vm.provision "shell", inline: "sudo yum update -y" config.vm.define "master" do |master| master.vm.box = "bento/centos-7.1" master.vm.network "private_network", ip: "192.168.5.2" master.vm.hostname = "master" master.vm.provider "virtualbox" do |vb| vb.memory = "2048" vb.cpus = "2" end end config.vm.define "node1" do |node1| node1.vm.box = "bento/centos-7.1" node1.vm.network "private_network", ip: "192.168.5.3" node1.vm.hostname = "node1" node1.vm.provider "virtualbox" do |vb| vb.memory = "2048" vb.cpus = "2" end end config.vm.define "node2" do |node2| node2.vm.box = "bento/centos-7.1" node2.vm.network "private_network", ip: "192.168.5.4" node2.vm.hostname = "node2" node2.vm.provider "virtualbox" do |vb| vb.memory = "2048" vb.cpus = "2" end end end |
To start the VM’s, open the terminal and browse to the location which contains the Vagrantfile. execute the following command to bring up the VM’s.
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vagrant up |
To ssh, you can use the individual VM names mentioned in the configuration.
For example,
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vagrant ssh master |
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The Best Tutorials & Tips to Speedup Your DevOps Workflow.
Created by Bibin Wilson.