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Vagrantfile, multi machine with ssh password less and hostname over private network.
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numnodes=2 | |
baseip="192.168.10" | |
#global script | |
$global = <<SCRIPT | |
#check for private key for vm-vm comm | |
[ -f /vagrant/id_rsa ] || { | |
ssh-keygen -t rsa -f /vagrant/id_rsa -q -N '' | |
} | |
#deploy key | |
[ -f /home/vagrant/.ssh/id_rsa ] || { | |
cp /vagrant/id_rsa /home/vagrant/.ssh/id_rsa | |
chmod 0600 /home/vagrant/.ssh/id_rsa | |
} | |
#allow ssh passwordless | |
grep 'vagrant@node' ~/.ssh/authorized_keys &>/dev/null || { | |
cat /vagrant/id_rsa.pub >> ~/.ssh/authorized_keys | |
chmod 0600 ~/.ssh/authorized_keys | |
} | |
#exclude node* from host checking | |
cat > ~/.ssh/config <<EOF | |
Host node* | |
StrictHostKeyChecking no | |
UserKnownHostsFile=/dev/null | |
EOF | |
#populate /etc/hosts | |
for x in {11..#{10+numnodes}}; do | |
grep #{baseip}.${x} /etc/hosts &>/dev/null || { | |
echo #{baseip}.${x} node${x##?} | sudo tee -a /etc/hosts &>/dev/null | |
} | |
done | |
#end script | |
SCRIPT | |
Vagrant.configure("2") do |config| | |
config.vm.provision "shell", privileged: false, inline: $global | |
prefix="node" | |
#node box | |
(1..numnodes).each do |i| | |
vm_name = "#{prefix}#{i}" | |
config.vm.define vm_name do |node| | |
node.vm.box = "hashicorp/precise64" | |
node.vm.hostname = vm_name | |
ip="#{baseip}.#{10+i}" | |
node.vm.network "private_network", ip: ip | |
end | |
end | |
end |
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