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INSTALLATION

1. Log in to the client machine created, using valid credentials

2. Execute the commands below to install kubectl, awscli and helm

   1. 

      apt update

       

       

   2. kubectl Installation:

      1. 

         sudo apt-get update && sudo apt-get install -y apt-transport-https gnupg2 curl

          

          

          

      2. 

         curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add –-

          

          

          

      3. 

         echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list

          

          

          

      4. 

         sudo apt-get update

          

          

      5. 

         sudo apt-get install -y kubectl

          

          

   3. awscli Installation:

      1. 

         sudo apt-get install awscli -y

          

          

   4. docker Installation:

      1. 

         apt update

          

          

      2. 

         apt install docker.io -y

          

          

      3. 

         docker -v

          

          

3. Procure Access Key and Secret Access Key

   1. On the AWS console, navigate to My Security Credentials

      

   2. Click Create access key

      

   3. Log in to the client machine and configure aws access key and secret access key using the commands below:

      1. 

         aws configure

          

          

         

4. On the AWS console, create EKS cluster

   1. Create an IAM role for EKS control plane

   2. Navigate to IAM > Create role. Select the required service

      

   3. Navigate to AWS Service > EKS

      

   4. Navigate to EKS Cluster > Permissions

      

   5. Click AmazonEKSClusterPolicy > Tags

      

   6. On the Review page, provide a role name. Click Create role

      

5. Create a new role for worker node group

   1. Navigate to IAM > Create role. Select the required service

      

   2. Navigate to the required AWS Service > EKS. Click Permissions

      

   3. Attach the policies - AmazonEKSWorkerNodePolicy, AmazonEKS_CNI_Policy and AmazonEC2ContainerRegistryReadOnly.

      

   4. Click on Tag. On the Review page, provide a Role name. Click Create role

      

   5. Click Cluster > Create Cluster

   6. Provide the Name, Kubernetes Version and Cluster Service role. Click Next

      

   7. Select VPC, Subnets, NSG and Public Access. Execute the remaining steps to create the Cluster, with the default values

      

   8. Once the EKS cluster becomes Active, click on cluster name

      

   9. Click on Configuration tab. Click Compute > Add node group

      

   10. Provide Name and IAM Role. Click Next

       

   11. Select the required instance type. Click Create

       

   12. Select the required Subnets and SSH keypairs. Create the Node group

6. Once the Node Group is created, log in to the client machine

7. Execute the commands below:

   1. Fetch the kubeconfig file from the Control plane using the commands below:

      1. 

         aws eks --region us-east-1 update-kubeconfig --name gitlab

          

          

      2. 

         kubectl get nodes

          

          

      3. The above command lists two machines in Ready state

8. Install either Helm 2 OR Helm 3

9. Helm 2 Installation:

   1. 

      wget https://get.helm.sh/helm-v2.16.12-linux-amd64.tar.gz

       

       

       

   2. 

      tar -zxvf helm-v2.16.12-linux-amd64.tar.gz

       

       

   3. 

      cd linux-amd64/

       

       

   4. 

      mv helm /usr/local/bin

       

       

   5. 

      helm init --stable-repo-url https://charts.helm.sh/stable 

       

       

   6. Create Tiller Pod:

      

      helm init

       

       

   7. 

      helm version 

       

       

   8. Create Service Account and assign permission to the Tiller pod, so that it deploys workload on Kubernetes. Execute the commands below:

      1. 

         kubectl create sa tiller –namespace kube-system

          

          

      2. 

         kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller

          

          

          

      3. 

         kubectl patch deploy --namespace kube-system tiller-deploy -p '{"spec":{"template":{"spec":{"serviceAccount":"tiller"}}}}'

          

          

          

      4. Verification:

         

         kubectl get all --all-namespaces | grep tiller

          

          

10. Helm 3 Installation: Tiller Pod is not required for Helm 3

    1. 

       wget https://get.helm.sh/helm-v3.5.2-linux-amd64.tar.gz

        

        

    2. 

       tar -zxvf helm-v3.5.2-linux-amd64.tar.gz

        

        

    3. 

       cd linux-amd64/

        

        

    4. 

       mv helm /usr/local/bin

        

        

    5. 

       helm version

        

        

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