Vagrant-start-k8s

This project provides a quick way to start kubernets nodes

Pre-requisites

1. Install VirtualBox
2. Install Vagrant

QuickStart

1. git clone https://github.com/DeyunLuo/vagrant-start-k8s.git
2. cd vagrant-start-k8s/k8s_vagrant
3. vagrant up
4. vagrant ssh default
5. sudo su  
6. kubeadm init --pod-network-cidr=10.244.0.0/16
7. # If you have worker node want to join master Please input prestep print like this
 # kubeadm join 10.0.2.15:6443 --token 9s57cv.0plnulaw1auw0qc3 --discovery-token-ca-cert-hash sha256:850ca59741aa91eed92955caa77c35dd7a5da7a3d6d40fe1a4b81d8ba69dea85

Install Flannel Network Cni

wget https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

1. If you have an error master pod can't ping node pod

You need change the kube-flannel.yaml file
add - --iface=eth1 in kube.flannel.yaml like this

args:
  - --ip-masq
  - --kube-subnet-mgr
  - --iface=eth1

2. If you have an error : unable to upgrade connection: pod does not exist when you execute kubectl exec -it cni-4w45k -- bash

change file /etc/sysconfig/kubelet in all your k8s node

# KUBELET_EXTRA_ARGS=--node-ip=10.10.1.11
KUBELET_EXTRA_ARGS=--node-ip=your node ip