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Vagrantfile
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Vagrantfile
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nodes = [
{ :hostname => 'k8s-master', :ip => '192.168.50.10'},
{ :hostname => 'k8s-node01', :ip => '192.168.50.11'},
{ :hostname => 'k8s-node02', :ip => '192.168.50.12'},
]
$script = <<SCRIPT
swapoff -a
curl -fsSL https://get.docker.com/ | sh
usermod -aG docker vagrant
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list
apt-get update && apt-get install -y software-properties-common gnupg-agent kubelet kubeadm kubectl
echo Environment="KUBELET_EXTRA_ARGS=--node-ip=$(ifconfig eth1 | grep 'inet addr' | cut -d':' -f2 | cut -d' ' -f1)" >> /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
echo -e "net.bridge.bridge-nf-call-iptables=1\nnet.ipv4.ip_forward=1" >> /etc/sysctl.conf
sysctl -p
if [[ $(hostname) =~ "master" ]]; then
kubeadm init --apiserver-advertise-address="192.168.50.10" --apiserver-cert-extra-sans="192.168.50.10" --node-name k8s-master --pod-network-cidr=192.168.0.0/16
mkdir -p /home/vagrant/.kube
cp -i /etc/kubernetes/admin.conf /home/vagrant/.kube/config
chown -R vagrant:vagrant /home/vagrant/.kube
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')"
kubeadm token create --print-join-command > /tmp/vagrant/k8s-join-command
else
sh -c "$(head -1 /tmp/vagrant/k8s-join-command)"
fi
SCRIPT
Vagrant.configure("2") do |config|
nodes.each do |node|
config.vm.define node[:hostname] do |nodeconfig|
nodeconfig.vm.synced_folder ".", "/tmp/vagrant"
nodeconfig.vm.box = "bento/ubuntu-16.04"
nodeconfig.vm.hostname = node[:hostname]
nodeconfig.vm.network "private_network", ip: node[:ip]
nodeconfig.ssh.insert_key = false
nodeconfig.vm.provider "virtualbox" do |vb|
vb.linked_clone = true
vb.name = node[:hostname]
vb.memory = 2048
vb.cpus = 2
end
nodeconfig.vm.provision :shell, inline: $script
end
end
end