Added master and worker scripts as part of node

.env

@@ -1,17 +1,8 @@
-BOX_IMAGE="coolsvap/k8s-node"
+BOX_IMAGE="generic/ubuntu1804"
 PROVIDER="virtualbox"
-KUBE_VERSION="1.21.1"
-NW_PLUGIN="calico"
-
-SETUP_MASTER=true
-MASTER_IP="172.16.26.10"
-POD_NW_CIDR="192.168.0.0/16"
-MASTER_HOSTNAME="k8s-master"
-MASTER_MEMORY="4096"
-MASTER_CPU="2"
-
 NODE_MEMORY="2048"
 NODE_CPU="1"
+HOSTNAME="k8s-node"
 
 
 

Vagrantfile

@@ -8,19 +8,14 @@ Vagrant.configure("2") do |config|
     l.memory = ENV["NODE_MEMORY"]
   end
 
+  config.vm.synced_folder ".", "/vagrant"
   config.vm.provision :shell, :path => "install-node.sh"
   config.hostmanager.enabled = true
   config.hostmanager.manage_guest = true
-  # config.vm.network "public_network"
+  config.vm.provision :file, source: './master.sh', destination:  "/opt"
 
-  if ENV["SETUP_MASTER"]
-    config.vm.define ENV["MASTER_HOSTNAME"] do |subconfig|
-      subconfig.vm.hostname = ENV["MASTER_HOSTNAME"]
-      subconfig.vm.network :private_network, ip: ENV["MASTER_IP"]
-      subconfig.vm.provider :virtualbox do |vb|
-        vb.customize ["modifyvm", :id, "--cpus", ENV["MASTER_CPU"]]
-        vb.customize ["modifyvm", :id, "--memory", ENV["MASTER_MEMORY"]]
-      end
-    end
+  config.vm.define ENV["HOSTNAME"] do |subconfig|
+    subconfig.vm.hostname = ENV["HOSTNAME"]
   end
 end  
+

install-node.sh

@@ -64,5 +64,9 @@ systemctl enable kubelet && systemctl start kubelet
 #Pull images
 kubeadm config images pull
 
-apt-get clean && apt-get autoremove -yes
+apt-get clean && apt-get autoremove -y
+
+mkdir -p /etc/k8s-scripts
+cp /vagrant/master.sh -p /etc/k8s-scripts/
+cp /vagrant/worker.sh -p /etc/k8s-scripts/
 cat /dev/null > ~/bash_history && history -c

master.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+# Use this script to initialize master
+
+kubeadm reset -f
+rm -rf ~/.kube /etc/cni/net.d /etc/kubernetes /var/lib/etcd /var/lib/kubelet /var/run/kubernetes /var/lib/cni /opt/cni
+iptables -F
+
+HOST_IP=`/sbin/ifconfig eth1 | egrep -o 'inet [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'  | cut -d' ' -f2`
+ip route add 10.96.0.0/16 dev eth1 src ${HOST_IP}
+
+### init k8s
+kubeadm init --apiserver-advertise-address=${HOST_IP} --kubernetes-version=${KUBE_VERSION} --pod-network-cidr=${POD_NW_CIDR} --skip-token-print
+
+mkdir -p $HOME/.kube
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
+
+cp -R $HOME/.kube /vagrant/
+
+kubectl taint nodes --all node-role.kubernetes.io/master-
+case $NW_PLUGIN in
+  "weave" ) kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$(kubectl version | base64 | tr -d '\n')" ;;
+  "calico" ) kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml ;;
+  *) echo "Running default with calico" && kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml ;;
+esac
+kubeadm token create --print-join-command --ttl 0 > /etc/.vagrantdata/kubeadm-join

worker.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+kubeadm reset -f
+rm -rf ~/.kube /etc/cni/net.d /etc/kubernetes /var/lib/etcd /var/lib/kubelet /var/run/kubernetes /var/lib/cni
+iptables -F
+
+HOST_IP=`/sbin/ifconfig eth1 | egrep -o 'inet [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'  | cut -d' ' -f2`
+ip route add 10.96.0.0/16 dev eth1 src ${HOST_IP}
+
+$(cat /etc/.vagrantdata/kubeadm-join)