Steps to Create EKS Node Group Using CloudFormation on AWS

Hello, In this blog we are discussing how to create EKS Node Group using Cloudformation. Cloudformation provides a platform where we can easily create a template and run the json/ymal code. It provides a way to create a collection of related aws services.

prerequisite:

There are some points to create EKS Node Group using cloudformation & also find the given below eks node group json code:

  • Login to aws console.
  • Click on Services.
  • Click on Management & Governance service & Select cloudformation.

  • Click on Create Stack.

  • In Prepare template,select Create Template in designer for creating a new template.

  • Click on Create Template in Designer option.

  • At the bottom,there are two options: Components & template.
  • Select template option.

  • First remove the already mentioned code.

  • Then Add the following code in Json Formation.

{
"AWSTemplateFormatVersion": "2010-09-09",
"Description" : "AWS CloudFormation Sample Template to create eks cluster & node group.",
"Parameters" : {
"NetworkStackName": {
"Description": "Name of an active CloudFormation stack that contains the eks resources, such as the eks cluster, that will be used in this stack.",
"Type": "String",
"MinLength" : 1,
"MaxLength" : 255,
"AllowedPattern" : "^[a-zA-Z][-a-zA-Z0-9]*$"
},
"nodegroupname": {
"Type": "String",
"Default": "eks-Nodegroup",
"Description": "Name of the Node group."
}
},
"Resources": {
"EKSNodegroup": {
"Type": "AWS::EKS::Nodegroup",
"Properties": {
"ClusterName": { "Fn::ImportValue" : {"Fn::Sub": "${NetworkStackName}-eksclustername" } },
"NodeRole": "arn:aws:iam::683716129767:role/node",
"NodegroupName": {"Ref": "nodegroupname"},
"DiskSize" : 10,
"ScalingConfig": {
"MinSize": 1,
"DesiredSize": 1,
"MaxSize": 2
},
"RemoteAccess": {
"Ec2SshKey": "type-only-keyname",
"SourceSecurityGroups" : [ "sg-03ab3b7b72cf8223d" ]
},
"Subnets": [
"subnet-06e3403e7e97482f2",
"subnet-09d8dc8d4ea11d518"
]
}
}
}
}

  • Click on Create Stack.

  • Click on Next.

  • Provide the Stack Name & Network Stack Name.Network Stack name is a name of an active CloudFormation stack that contains the eks cluster resources,that will be used in this stack.”
  • Set the Parameters  & Click on Next.

  • In Configure Stack options, Provide tag key name & value.

  • Click on Next.

  • In Review,check all configurations.

  • Click on Create Stack.

  • After sometimes, Stack is Ready.

  • Go to Elastic Kubernetes Service.
  • Click on Eks cluster & check created eks node group name.

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