Create Kubernetes cluster on EKS

I know a lot of people out there have become fan of k8s and so Iam. Recently I deployed my personal project on EKS. I prefer to choose gitlab for ci-cd because as it is widely said — ‘Gitlab is the future of devops’. So lets begin with the first part.

First we need to create an EKS cluster. Earlier I preferred using kops to create that but here we are going to use eksctl — amazon’s own k8s command line tool since there are some extra steps of manual work that needs to be done using kops like explicitly creating a S3 bucket.

Prerequisites — You need to own a AWS account

  1. Navigate to IAM services in AWS console after logging in and create a user. Give it a programmatic access only. Store safe your ACCESS_KEY_ID and SECRET_ACCESS_KEY.
  2. In your local machine install aws-cli. In awscliv1 you needed to install python to download it. But latest awscliv2 doesnt have any requisites and u can install it with these 3 simple commands.

a) curl “" -o “”

b) unzip

c) sudo ./aws/install

d) aws — version

3. Now configure aws account in your local machine. Just type aws configure and it will ask for ACCESS_KEY_ID and SECRET_ACCESS_KEY. Input the values you stored in step 1 and leave rest configuration options to default.

4. test the user by typing aws sts get-caller-identity OR aws iam list-users You should see your latest configurations in output

5. Next you will have to install eksctl — Elastic kubernetes service’s command line tool that manages eks cluster

For Linux users

a) curl — silent — location “$(uname -s)_amd64.tar.gz” | tar xz -C /tmp

b) sudo mv /tmp/eksctl /usr/local/bin

c) eksctl version

For MacOs

a) brew install weaveworks/tap/eksctl

6. Next type a simple eksctl command to create a cluster on AWS.

a) eksctl create cluster — name=my-eks-cluster

to create cluster, eksctl command uses your aws user that you configured in step 3. Ideally I would suggest to export a variable on your machine named CLUSTER and we will using that variable to create a cluster, since going forward we will need cluster name repeatedly.

a) export CLUSTER=my-cluster

b) eksctl create cluster — name=${CLUSTER} This will create a cluster with default configurations or either you can create a yaml file as below and run the command `eksctl create cluster -f cluster.yaml`

kind: ClusterConfig
name: taskmanager-cluster
region: ap-southeast-1
- name: ng-1
instanceType: t2.small
desiredCapacity: 1
allow: true

Voila! Within 10–15 minutes your eks cluster will up and ready.

In next part we will create a simple k8s project locally and configure this cluster in gitlab to automate the ci-cd process.




A Javascript Full-Stack Developer. A Cloud learner

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Rajneesh Mishra

Rajneesh Mishra

A Javascript Full-Stack Developer. A Cloud learner

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