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Add AL2023 launch template task
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‎tests/assets/eks_node_group_launch_template_al2023.yaml‎

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---
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AWSTemplateFormatVersion: '2010-09-09'
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Description: Create a launch template for use in an autoscaling group of EKS nodes
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(Amazon Linux 2023)
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Parameters:
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LaunchTemplateName:
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Type: String
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Description: Name of the Launch Template
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ClusterName:
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Type: String
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Description: Name of the Cluster
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SSHKeyName:
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Type: String
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Description: SSH Key Name for EC2 instances
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APIServerEndpoint:
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Type: String
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Description: Kubernetes API Server Endpoint
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CertificateAuthority:
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Type: String
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Description: Certificate Authority data (base64 encoded)
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ClusterCIDR:
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Type: String
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Description: CIDR for cluster (IP range for pods)
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KubeletConfig:
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Type: String
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Description: Kubelet config JSON (will be merged with default config)
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Default: '{}'
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AMI:
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Type: String
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Description: Launch template ImageId value, which may be an AMI ID or resolve:ssm reference.
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Default: ''
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Conditions:
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AMIProvided:
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!Not [!Equals [!Ref AMI, '']]
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Resources:
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LaunchTemplate:
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Type: AWS::EC2::LaunchTemplate
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Properties:
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LaunchTemplateName:
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Ref: LaunchTemplateName
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LaunchTemplateData:
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KeyName:
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Ref: SSHKeyName
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BlockDeviceMappings:
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- DeviceName: "/dev/xvda"
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Ebs:
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VolumeSize: 40
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VolumeType: gp3
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MetadataOptions:
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HttpPutResponseHopLimit: 2
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HttpEndpoint: enabled
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HttpTokens: required
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ImageId:
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!If
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- AMIProvided
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- !Ref AMI
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- !Ref "AWS::NoValue"
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UserData:
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Fn::Base64:
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Fn::Sub: |
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Content-Type: multipart/mixed; boundary="BOUNDARY"
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MIME-Version: 1.0
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--BOUNDARY
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Content-Type: application/node.eks.aws
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MIME-Version: 1.0
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---
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apiVersion: node.eks.aws/v1alpha1
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kind: NodeConfig
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spec:
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cluster:
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name: ${ClusterName}
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apiServerEndpoint: ${APIServerEndpoint}
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certificateAuthority: ${CertificateAuthority}
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cidr: ${ClusterCIDR}
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kubelet:
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config: ${KubeletConfig}
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--BOUNDARY--
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Outputs:
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LaunchTemplateName:
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Description: Name of the Node Group Launch Template
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Value:
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Ref: LaunchTemplate

‎tests/tasks/setup/eks/awscli-cfn-lt-al2023.yaml‎

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---
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apiVersion: tekton.dev/v1beta1
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kind: Task
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metadata:
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name: awscli-eks-cfn-launch-template-al2023
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namespace: scalability
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spec:
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description: |
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Create an EKS CFN stack to output a launch template for AL2023-based nodes.
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This Task can be used to create an EKS CFN stack that outputs a launch template.
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The launch template may be used for a managed nodegroup with or without a custom AMI.
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params:
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- name: cluster-name
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description: EKS cluster you want to create CFN stack for.
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- name: stack-name
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description: Stack name you want to spin.
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- name: region
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default: "us-west-2"
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description: The region where the cluster is in.
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- name: kubernetes-version
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default: "1.28"
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description: The EKS version to install.
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- name: ng-cfn-url
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description: The url of the CFN YAML/JSON to create CFN stack for NG launch template
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- name: endpoint
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default: ""
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- name: kubelet-config
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default: "{}"
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- name: ami
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default: ""
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description: The AMI ID (or SSM parameter) to use for the launch template. If not provided, the launch template will not specify an AMI.
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workspaces:
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- name: config
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mountPath: /config/
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stepTemplate:
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env:
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- name: KUBECONFIG
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value: /config/kubeconfig
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steps:
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- name: create-launch-template
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image: alpine/k8s:1.23.7
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script: |
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set -o xtrace
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set -o errexit
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set -o pipefail
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ENDPOINT_FLAG=""
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if [ -n "$(params.endpoint)" ]; then
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ENDPOINT_FLAG="--endpoint $(params.endpoint)"
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fi
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curl -s $(params.ng-cfn-url) -o ./amazon-ng-cfn
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SSH_KEY_NAME=scaletest-nodegroups-ssh-key
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if [[ "$(aws ec2 --region "$(params.region)" describe-key-pairs --key-names "$SSH_KEY_NAME" --query 'KeyPairs[0].KeyName' --output text)" == "$SSH_KEY_NAME" ]]; then
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echo "KeyPair '$SSH_KEY_NAME' already exists."
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else
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echo "KeyPair not found. Creating a new keypair."
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# Given these are temp nodes, outputting key for devs to copy it to use for debugging
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#ToDo - store it in s3 for devs to download it.
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aws ec2 create-key-pair --region $(params.region) --key-name $SSH_KEY_NAME --query 'KeyMaterial' --output text
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fi
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aws eks describe-cluster --name $(params.cluster-name) --region $(params.region) --output json > cluster.json
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launch_template_name=$(params.cluster-name)-launchTemplate
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STACK_NAME=$(params.stack-name)
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STACK_STATUS=$(aws cloudformation describe-stacks --query 'Stacks[?StackName==`'${STACK_NAME}'`].StackStatus' --output text --region $(params.region))
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# assemble the stack parameters as a JSON file
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# the AWS CLI can't handle a JSON string as a ParameterValue in the flag representation
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# and we need that for kubelet-config
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jq --null-input \
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--arg LaunchTemplateName "${launch_template_name}" \
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--arg ClusterName "$(params.cluster-name)" \
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--arg SSHKeyName "${SSH_KEY_NAME}" \
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--arg APIServerEndpoint "$(jq -r .cluster.endpoint cluster.json)" \
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--arg ClusterCIDR "$(jq -r .cluster.kubernetesNetworkConfig.serviceIpv4Cidr cluster.json)" \
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--arg CertificateAuthority "$(jq -r .cluster.certificateAuthority.data cluster.json)" \
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--arg KubeletConfig '$(params.kubelet-config)' \
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--arg AMI "$(params.ami)" \
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'$ARGS.named | to_entries | map({"ParameterKey": .key, "ParameterValue": .value})' \
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> parameters.json
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if [[ "$STACK_STATUS" == "" ]]; then
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aws cloudformation create-stack \
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--stack-name $STACK_NAME \
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--template-body file://$(pwd)/amazon-ng-cfn \
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--parameters file://$(pwd)/parameters.json \
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--region $(params.region)
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aws cloudformation wait stack-create-complete --stack-name $STACK_NAME --region $(params.region)
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echo "CREATED_CFN_STACK=$STACK_NAME"
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else
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echo "$STACK_NAME Already exists"
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fi

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