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step02-create-cluster.sh
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step02-create-cluster.sh
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curl -fsSL https://raw.githubusercontent.com/aws/karpenter/"${KARPENTER_VERSION}"/website/content/en/preview/getting-started/getting-started-with-karpenter/cloudformation.yaml > $TEMPOUT \
&& aws cloudformation deploy \
--stack-name "Karpenter-${CLUSTER_NAME}" \
--template-file "${TEMPOUT}" \
--capabilities CAPABILITY_NAMED_IAM \
--parameter-overrides "ClusterName=${CLUSTER_NAME}"
eksctl create cluster -f - <<EOF
---
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
name: ${CLUSTER_NAME}
region: ${AWS_DEFAULT_REGION}
version: "1.27"
tags:
karpenter.sh/discovery: ${CLUSTER_NAME}
iam:
withOIDC: true
serviceAccounts:
- metadata:
name: karpenter
namespace: karpenter
roleName: ${CLUSTER_NAME}-karpenter
attachPolicyARNs:
- arn:${AWS_PARTITION}:iam::${AWS_ACCOUNT_ID}:policy/KarpenterControllerPolicy-${CLUSTER_NAME}
roleOnly: true
iamIdentityMappings:
- arn: "arn:${AWS_PARTITION}:iam::${AWS_ACCOUNT_ID}:role/KarpenterNodeRole-${CLUSTER_NAME}"
username: system:node:{{EC2PrivateDNSName}}
groups:
- system:bootstrappers
- system:nodes
managedNodeGroups:
- instanceType: m5.large
amiFamily: AmazonLinux2
name: ${CLUSTER_NAME}-ng
desiredCapacity: 2
minSize: 1
maxSize: 10
## Optionally run on fargate
# fargateProfiles:
# - name: karpenter
# selectors:
# - namespace: karpenter
EOF
export CLUSTER_ENDPOINT="$(aws eks describe-cluster --name ${CLUSTER_NAME} --query "cluster.endpoint" --output text)"
export KARPENTER_IAM_ROLE_ARN="arn:${AWS_PARTITION}:iam::${AWS_ACCOUNT_ID}:role/${CLUSTER_NAME}-karpenter"
echo $CLUSTER_ENDPOINT $KARPENTER_IAM_ROLE_ARN