Amazon Web Services (AWS) Elastic Kubernetes Service (EKS) is a managed Kubernetes service that simplifies the process of deploying and managing Kubernetes clusters.
With EKS, you can easily deploy, scale, and manage containerized applications on Kubernetes without worrying about the underlying infrastructure. eksctl is a command-line tool that simplifies the process of creating and managing EKS clusters.
In this tutorial, we will walk through the steps to create an EKS cluster using eksctl.
Step 1: Install eksctl
The first step is to install eksctl on your local machine. eksctl is a command-line tool that can be installed on Linux, macOS, and Windows. To install eksctl, run the following command:
curl --silent --location "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp && sudo mv /tmp/eksctl /usr/local/bin/
Step 2: Configure AWS CLI
Before you can create an EKS cluster using eksctl, you need to configure the AWS CLI on your local machine. To configure AWS CLI, run the following command:
aws configure
This command will prompt you to enter your AWS Access Key ID, AWS Secret Access Key, AWS Region, and output format.
Step 3: Create an EKS Cluster using eksctl
To create an EKS cluster using eksctl, you need to create a cluster configuration file. A cluster configuration file is a YAML file that contains the configuration parameters for the EKS cluster. Here's an example of a cluster configuration file:
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
name: my-cluster
region: us-west-2
nodeGroups:
- name: my-node-group
instanceType: t2.micro
desiredCapacity: 2
ssh:
publicKeyName: my-ssh-key
In this example, we are creating an EKS cluster named "my-cluster" in the "us-west-2" region. We are also creating a node group with two t2.micro instances and an SSH key named "my-ssh-key".
To create the EKS cluster using the configuration file, run the following command:
eksctl create cluster -f cluster.yaml
This command will create an EKS cluster using the configuration file named "cluster.yaml".
Step 4: Verify the EKS Cluster
Once the EKS cluster is created, you can verify the cluster by running the following command:
kubectl get nodes
This command will display the list of nodes in the EKS cluster.
Step 5: Clean up
To delete the EKS cluster, run the following command:
eksctl delete cluster --name my-cluster
This command will delete the EKS cluster named "my-cluster".
In this tutorial, we have learned how to create an EKS cluster using eksctl. eksctl simplifies the process of creating and managing EKS clusters, making it easier for developers to deploy and manage containerized applications on Kubernetes. With the steps outlined in this tutorial, you can quickly create an EKS cluster and start deploying your applications.
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That's it for this post. Keep practicing and have fun. Leave your comments if any.