How to launch kubernetes cluster using vagrant?
How to launch kubernetes cluster using vagrant?
1 answer
by
cali_green ,
5 months ago
@orpha
To launch a Kubernetes cluster using Vagrant, you can follow these steps:
- Install Vagrant on your machine if you haven't already. You can download Vagrant from the official website.
- Create a new directory for your Kubernetes cluster configuration and navigate to it in your terminal.
- Create a Vagrantfile in this directory. You can use the following example Vagrantfile to create a Kubernetes cluster with one master node and two worker nodes:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 |
Vagrant.configure("2") do |config|
# Define master node
config.vm.define "master" do |master|
master.vm.box = "ubuntu/bionic64"
master.vm.network "private_network", ip: "192.168.33.10"
master.vm.provision "shell", path: "scripts/master.sh"
end
# Define worker nodes
(1..2).each do |i|
config.vm.define "worker#{i}" do |worker|
worker.vm.box = "ubuntu/bionic64"
worker.vm.network "private_network", ip: "192.168.33.1#{i+1}"
worker.vm.provision "shell", path: "scripts/worker.sh"
end
end
end
|
- Create shell scripts for provisioning the master and worker nodes. You can customize these scripts based on your requirements. Here is an example shell script for provisioning the master node (master.sh):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 |
#!/bin/bash # Update package list apt-get update # Install Docker apt-get install -y docker.io systemctl start docker systemctl enable docker # Install kubeadm, kubelet, and kubectl apt-get install -y apt-transport-https curl curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - cat <<EOF >/etc/apt/sources.list.d/kubernetes.list deb https://apt.kubernetes.io/ kubernetes-xenial main EOF apt-get update apt-get install -y kubelet kubeadm kubectl |
- Initialize the Kubernetes cluster by running the following commands in your terminal:
1 2 3 |
vagrant up vagrant ssh master sudo kubeadm init |
- Follow the instructions provided by kubeadm to join the worker nodes to the cluster.
- Verify that the Kubernetes cluster has been successfully launched by running the following command:
1
|
kubectl get nodes |
You should see the master and worker nodes listed in the output.
That's it! You have successfully launched a Kubernetes cluster using Vagrant.