kubeadm-vagrant

Run kubernetes cluster with kubeadm on vagrant.

Reference: Creating Highly Available clusters with kubeadm

Requirements

1. virtualbox: https://www.virtualbox.org/wiki/Downloads
2. vagrant: https://www.vagrantup.com/downloads.html
3. vagrant plugin install vagrant-hostmanager

Usage

Run vagrant up and wait for the cluster to be set up (change MASTER_COUNT to 3 to run a ha cluster).

To use kubectl on the master node, run:

vagrant ssh master # use master1 if you are running ha cluster

mkdir -p $HOME/.kube
sudo cp -Rf /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

kubectl cluster-info
kubectl get nodes

Pod Network

• Reference: Installing a Pod network add-on
• kube-flannel.yml changes: added the --iface option (ref)

Credits

• based on: https://github.com/coolsvap/kubeadm-vagrant