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PKE in Vagrant

In order to try out a single/multi node PKE Kubernetes cluster you will need a Vagrant box. To install Vagrant on a Mac OS X follow these steps below:

  • Install VirtualBox: brew cask install virtualbox
  • Install Vagrant: brew cask install vagrant
  • Install the VirtualBox extension pack: brew cask install virtualbox-extension-pack
  • Install the vagrant-vbguest plugin vagrant plugin install vagrant-vbguest

You are set, and ready to install PKE on your machine. Now you should clone the PKE repo and follow these steps:

git clone [email protected]:banzaicloud/pke.git
cd pke

Single node PKE

Start a machine with the following command: vagrant up node1

Once the node is up follow these instructions:

vagrant ssh node1
sudo -s

curl -v https://banzaicloud.com/downloads/pke/pke-0.4.5 -o /usr/local/bin/pke
chmod +x /usr/local/bin/pke
export PATH=$PATH:/usr/local/bin/

pke install single
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config

You can use kubectl from now on. Test it by executing kubectl get nodes

Multi node PKE

Start a machine with the following command: vagrant up node1 node2

Once the node is up follow these instructions:

Start the master node

vagrant ssh node1  
sudo -s

curl -v https://banzaicloud.com/downloads/pke/pke-0.4.5 -o /usr/local/bin/pke
chmod +x /usr/local/bin/pke
export PATH=$PATH:/usr/local/bin/

pke install master --kubernetes-advertise-address=192.168.64.11 --kubernetes-api-server=192.168.64.11:6443 
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config

Please get the token and certhash from the logs or issue the following PKE command to print the token and cert hash needed by workers to join the cluster.

pke token list # Print token and cert hash needed by workers to join the cluster

If the tokens have expired or you'd like to create a new one, issue:

pke token create

Start a worker node

Take note that you'd need to export the TOKEN and CERTHASH environment variables from above.

vagrant ssh node2
sudo -s

curl -v https://banzaicloud.com/downloads/pke/pke-0.4.5 -o /usr/local/bin/pke
chmod +x /usr/local/bin/pke
export PATH=$PATH:/usr/local/bin/

# copy values from node1
export TOKEN=""
export CERTHASH=""
pke install worker --kubernetes-node-token $TOKEN --kubernetes-api-server-ca-cert-hash $CERTHASH --kubernetes-api-server 192.168.64.11:6443

Note that you can add as many worker nodes as you wish repeating the commands above. You can check the status of the containers by issueing crictl ps