apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig

metadata:
  name: skills-cluster
  version: "1.29"
  region: ap-northeast-2

cloudWatch:
  clusterLogging:
    enableTypes: ["*"]

iam:
  withOIDC: true
  serviceAccounts:
    - metadata:
        name: aws-load-balancer-controller
        namespace: kube-system
      wellKnownPolicies:
        awsLoadBalancerController: true

vpc:
  subnets:
    public:
      ap-northeast-2a: { id: public_a }
      ap-northeast-2b: { id: public_b }
      ap-northeast-2c: { id: public_c }
    private:
      ap-northeast-2a: { id: private_a }
      ap-northeast-2b: { id: private_b }
      ap-northeast-2c: { id: private_c }

managedNodeGroups:
  - name: skills-node
    labels: { app: skills }
    instanceName: skills-node
    instanceType: c5.large
    desiredCapacity: 1
    minSize: 1
    maxSize: 20
    privateNetworking: true
    # ssh:
    #   allow: true
    #   publicKeyName: <KeyPair>

public_a=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=public-a" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)
public_b=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=public-b" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)
public_c=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=public-c" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)
private_a=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=private-a" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)
private_b=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=private-b" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)
private_c=$(aws ec2 describe-subnets --filters "Name=tag:Name,Values=private-c" --query "Subnets[].SubnetId[]" --region ap-northeast-2 --output text)

sed -i "s|public_a|$public_a|g" cluster.yaml
sed -i "s|public_b|$public_b|g" cluster.yaml
sed -i "s|public_c|$public_c|g" cluster.yaml
sed -i "s|private_a|$private_a|g" cluster.yaml
sed -i "s|private_b|$private_b|g" cluster.yaml
sed -i "s|private_c|$private_c|g" cluster.yaml

eksctl create cluster -f cluster.yaml
aws eks --region ap-northeast-2 update-kubeconfig --name skills-cluster --alias skills-cluster
kubectl create ns skills

helm repo add eks <https://aws.github.io/eks-charts>
helm repo update
helm install aws-load-balancer-controller eks/aws-load-balancer-controller \\
  --set clusterName=skills-cluster \\
  -n kube-system \\
  --set serviceAccount.create=false \\
  --set serviceAccount.name=aws-load-balancer-controller