Vagrant kubernetes cluster

A HA kubernetes cluster to be run with Vagrant.

Setup

• Create a new virtual network with ip range 10.240.0.0/24.
  • For Windows, see here.
  • For Linux, see here.
• run init.sh to generate CA.
• vagrant up.

Pod Network

To ping pods within pods running on different nodes, run below commands on the host machine:

• *nix:
  • route add -net 10.200.1.0 netmask 255.255.255.0 gw 10.240.0.31
  • route add -net 10.200.2.0 netmask 255.255.255.0 gw 10.240.0.32
  • ...
• Windows:
  • route add 10.200.1.0 mask 255.255.255.0 10.240.0.31 metric 325
  • route add 10.200.2.0 mask 255.255.255.0 10.240.0.32 metric 325
  • ...

DNS Addon

• Run the below command to start kube-dns:
  • kubectl apply -f https://raw.githubusercontent.com/acedemand/kubernetes-cluster/master/deployments/kube-dns.yaml
• Run the below command to start flannel:
  • kubectl apply -f https://raw.githubusercontent.com/acedemand/kubernetes-cluster/master/deployments/kube-flannel.yaml

Dashboard

Run the below command to start dashboard:

• kubectl apply -f https://raw.githubusercontent.com/acedemand/kubernetes-cluster/master/deployments/kubernetes-dashboard.yaml
• Run kubectl -n kube-system edit service kubernetes-dashboard
• Change type: ClusterIP to type: NodePort
• Run kubectl -n kube-system get service kubernetes-dashboard to get exposed service port.
• Open your browser and go to https://<node-ip>:<nodePort>