launch-amazon-eks-master-existing-vpc.sh

#!/bin/bash

# usage: $0
#        $0 DELETE

# 環境変数の設定
Region="ap-northeast-1"
StackName="Amazon-EKS-EKSStack"
TemplateUrl=https://aws-quickstart.s3.amazonaws.com/quickstart-amazon-eks/templates/amazon-eks.template.yaml

VPCStackName="Amazon-EKS-VPCStack"

KeyPairName="id_rsa_aws-common"
NodeInstanceType="t3.small"
BastionInstanceType="t3.micro"

# 第一引数に DELETE と指定されたらスタックを削除する
if [ "$1" = "DELETE" ]; then
  read -p "${StackName} を削除しますか？ (y/N): " yn
  case $yn in
    y|Y)
      echo "DELETING stack ${StackName}..."
      aws cloudformation delete-stack \
        --stack-name ${StackName} && echo "done."
        exit
      ;;
    *)
      echo "abort."
      exit
      ;;
  esac
fi

# VPC情報をスタックから取得、環境変数に格納
printf "VPC情報取得 (${Amazon-EKS-VPCStack})..."
eval $(
  aws cloudformation describe-stacks --stack-name ${VPCStackName} | \
  jq -r '.Stacks[].Outputs[] |
    "VPCID="            + select(.OutputKey == "VPCID").OutputValue,
    "PublicSubnet1ID="  + select(.OutputKey == "PublicSubnet1ID").OutputValue,
    "PublicSubnet2ID="  + select(.OutputKey == "PublicSubnet2ID").OutputValue,
    "PublicSubnet3ID="  + select(.OutputKey == "PublicSubnet3ID").OutputValue,
    "PrivateSubnet1ID=" + select(.OutputKey == "PrivateSubnet1AID").OutputValue,
    "PrivateSubnet2ID=" + select(.OutputKey == "PrivateSubnet2AID").OutputValue,
    "PrivateSubnet3ID=" + select(.OutputKey == "PrivateSubnet3AID").OutputValue
    '
) && echo " done."

# アクセス許可IPアドレスを、使用中の端末のグローバルIPアドレスにする
printf "グローバルIPアドレス取得..."
RemoteAccessCIDR="$(curl -s https://checkip.amazonaws.com/)/32" && echo " done."

# CFn起動
echo "CFnスタック ${StackName} 作成中..."
aws cloudformation create-stack \
  --stack-name ${StackName} \
  --region ${Region} \
  --parameters \
    ParameterKey=KeyPairName,ParameterValue="${KeyPairName}" \
    ParameterKey=NodeInstanceType,ParameterValue="${NodeInstanceType}" \
    ParameterKey=BastionInstanceType,ParameterValue="${BastionInstanceType}" \
    ParameterKey=VPCID,ParameterValue="${VPCID}" \
    ParameterKey=PublicSubnet1ID,ParameterValue="${PublicSubnet1ID}" \
    ParameterKey=PublicSubnet2ID,ParameterValue="${PublicSubnet2ID}" \
    ParameterKey=PublicSubnet3ID,ParameterValue="${PublicSubnet3ID}" \
    ParameterKey=PrivateSubnet1ID,ParameterValue="${PrivateSubnet1ID}" \
    ParameterKey=PrivateSubnet2ID,ParameterValue="${PrivateSubnet2ID}" \
    ParameterKey=PrivateSubnet3ID,ParameterValue="${PrivateSubnet3ID}" \
    ParameterKey=RemoteAccessCIDR,ParameterValue="${RemoteAccessCIDR}" \
  --capabilities CAPABILITY_IAM \
  --template-url ${TemplateUrl} && echo "done."

printf "作成完了 (CREATE_COMPLETE) まで待機 (およそ20分+)..."
aws cloudformation wait stack-create-complete \
  --stack-name ${StackName} && echo " done."