ADD Guide file and updates into labs

Author: walidshaari

labs/kubeadm-cluster/Vagrantfile

@@ -6,7 +6,7 @@ Vagrant.configure("2") do |config|
         echo "10.0.0.11  node01" >> /etc/hosts
         echo "10.0.0.12  node02" >> /etc/hosts
     SHELL
-    
+    config.vm.synced_folder ".", "/vagrant" 
     config.vm.define "control-plane", primary: true  do |master|
       master.vm.box = "bento/ubuntu-18.04"
       master.vm.hostname = "control-plane"

labs/kubeadm-cluster/apps/islamabad-app/islamabad-app.yaml

@@ -13,6 +13,7 @@ metadata:
   labels:
     app: islamabad-app
 spec:
+  replicas: 0
   selector:
     matchLabels:
       app: islamabad-app
@@ -25,7 +26,7 @@ spec:
       - image: nginx
         name: nginx
         ports:
-        - containerPort: 8080
+        - containerPort: 80
 ---
 apiVersion: v1
 data:
@@ -44,6 +45,7 @@ metadata:
   labels:
     app: postgres
 spec:
+  replicas: 0
   selector:
     matchLabels:
       app: postgres-db

labs/kubeadm-cluster/scripts/cp.sh

@@ -73,6 +73,12 @@ subjects:
   namespace: kubernetes-dashboard
 EOF
 
+
+cd /tmp/ && wget -q https://github.com/etcd-io/etcd/releases/download/v3.4.16/etcd-v3.4.16-linux-amd64.tar.gz
+tar zxvf etcd-v3.4.16-linux-amd64.tar.gz
+cd etcd-v3.4.16-linux-amd64
+sudo cp etcdctl /usr/local/bin
+
 kubectl -n kubernetes-dashboard get secret $(kubectl -n kubernetes-dashboard get sa/admin-user -o jsonpath="{.secrets[0].name}") -o go-template="{{.data.token | base64decode}}" >> /vagrant/configs/token
 
 sudo -i -u vagrant bash << EOF