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Create AWS EKS Cluster — eksctl

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Create AWS EKS Cluster — eksctl​

Creating Kubenetes cluster in AWS have multiple options like using AWS SDK, Terraform, Cloudformation and easy and quick for new learner using AWS Console. In this blog we going see another well know method of creating AWS EKS cluster using “eksctl” command by using as YAML configuration in default VPC. ( Same can be create by CLI command).

Let’s get start​

Prerequisites:​

Let install these binary one by one

  1. AWS CLI
  2. eksctl CLI
  3. kubectl

Step 1. Install AWS CLI (Mac OS)​

Download AWS CLI binary​

curl "https://awscli.amazonaws.com/AWSCLIV2.pkg" -o "AWSCLIV2.pkg"

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Install AWS CLI​

sudo installer -pkg ./AWSCLIV2.pkg -target /

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Verify the installation​

which aws  
aws --version

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Step 2. Configure AWS CLI​

Step 2.1. Login to AWS console as root user​

Step 2.2. Create IAM user​

username: kubedeveloper

No AWS console access, Only programmatic access

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Provide Username

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Permission as per User Type

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Create Access and SecretAccessKey​

Step 2.3 Select the IAM user “kubedeveloper”​

Step 2.4 Navigate to Security Credentials​

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Step 2.5. Click Create access key​

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Step 2.6 Select Use case :​

Command Line Interface (CLI) & check the Confirmation

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Step 2.7. Set description tag — optional and Click create​

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Now we got AccessKey and SecretAccessKey,

Next, Let configure AWS CLI on Mac OS command line​

Note: if multiple aws account configured, use — profile

$ aws configure

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Validate AWS CLI Access​

Run any aws command to list resources

Here eg: To list s3 buckets on my AWS account

bala@kubelancer Downloads % aws s3 ls

Getting output, which denoted AWS access has been configured correctly​

bala@kubelancer Downloads % aws s3 ls  
2022-12-13 21:36:02 firehose-backup-05bf6840

Install eksctl on Mac OS​

To download the latest release, run on Mac OS (arm64 architecture):​

curl -sLO "https://github.com/eksctl-io/eksctl/releases/latest/download/eksctl\_Darwin\_arm64.tar.gz"  
tar -xzvf eksctl\_Darwin\_arm64.tar.gz  
sudo mv ./eksctl /usr/local/bin

Ref: https://www.weave.works/oss/eksctl/

Step 3: Creating an AWS EKS Kubernetes Cluster using eksctl tool​

3.1. Create Cluster configuration yaml file​

$ vi cluster-config.yaml
apiVersion: eksctl.io/v1alpha5  
kind: ClusterConfig  
  
metadata:  
  name: kubelancer-cluster-1  
  region: us-east-1  
  
nodeGroups:  
  - name: ng-1  
    instanceType: t4g.medium  
    desiredCapacity: 2  
    volumeSize: 20  
    ssh:  
      allow: false

3.2 Let’s create eks cluster on aws using eksctl command​

$ eksctl create cluster -f cluster-config.yaml

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Cluster created successfully

Note: if multiple aws account configured, use — profile

Get the cluster name by using eksctl command​

eksctl interact with AWS API and get the required details from AWS cloud

$ eksctl get cluster --profile kubedev

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Use the following command to get update kube-config.​

$ aws eks update-kubeconfig --name=kubelancer-cluster-1 --region=us-east-1

Verify the Cluster​

kubectl get nodes

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Cluster Node Status

Delete Cluster​

$ kubectl get poddisruptionbudget -A  
$ kubectl delete poddisruptionbudget coredns -n kube-system  
$ eksctl delete cluster -f cluster-config.yaml --profile kubedev

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Happy Computing :)​

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👉 Originally published on Medium: Read more