732 lines
29 KiB
JSON
732 lines
29 KiB
JSON
{
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"Metadata": {
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"README": {
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"Fn::Join": [
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"\n",
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[
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"",
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"AWS Cloudformation Template for deploying IPSec VPN Servers on AWS EC2,",
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"based on the work of Lin Song <linsongui@gmail.com> : https://github.com/hwdsl2/setup-ipsec-vpn",
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"The latest version of this template can be found at : https://github.com/hwdsl2/setup-ipsec-vpn/aws",
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"",
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"Copyright (C) 2020-2024 Scott X. L. <wtanglef@pm.me>",
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"",
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"This work is licensed under the Creative Commons Attribution-ShareAlike 3.0",
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"Unported License: http://creativecommons.org/licenses/by-sa/3.0/",
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"",
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"Attribution required: Please include my name in any derivative and let me",
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"know how you have improved it!",
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""
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]
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]
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}
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},
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"AWSTemplateFormatVersion": "2010-09-09",
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"Mappings": {
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"OS": {
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"Ubuntu2004": {
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"HelperInstallationCommands": "export DEBIAN_FRONTEND=noninteractive\napt-get -yq update\napt-get -yq install python3-pip zip awscli\npython3 -m pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz"
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},
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"Ubuntu2204": {
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"HelperInstallationCommands": "export DEBIAN_FRONTEND=noninteractive\napt-get -yq update\napt-get -yq install python3-pip zip awscli\npython3 -m pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz"
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},
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"Ubuntu2404": {
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"HelperInstallationCommands": "export DEBIAN_FRONTEND=noninteractive\nrm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED\nadd-apt-repository ppa:deadsnakes/ppa\napt-get -yq update\napt-get -yq install python3.11 python3-pip zip\npython3 -m pip install awscli\npython3.11 -m pip install -U pip setuptools\npython3.11 -m pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz"
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},
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"Debian11": {
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"HelperInstallationCommands": "export DEBIAN_FRONTEND=noninteractive\napt-get -yq update\napt-get -yq install python3-pip zip awscli\npython3 -m pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz"
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},
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"Debian12": {
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"HelperInstallationCommands": "export DEBIAN_FRONTEND=noninteractive\nrm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED\napt-get -yq update\napt-get -yq install python3-pip zip awscli\npython3 -m pip install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz"
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},
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"AmazonLinux2": {
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"HelperInstallationCommands": "export PATH=\"$PATH:/opt/aws/bin\""
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}
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}
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},
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"Resources": {
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"IAMInstanceProfile": {
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"Type": "AWS::IAM::InstanceProfile",
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"Properties": {
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"InstanceProfileName": {
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"Ref": "KeyPair"
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},
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"Path": "/setup-ipsec-vpn/",
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"Roles": [
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{
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"Ref": "S3ExecutionRole"
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}
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]
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},
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"DependsOn": [
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"S3ExecutionRole",
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"KeyPair"
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]
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},
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"Ikev2S3Bucket": {
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"Type": "AWS::S3::Bucket",
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"DeletionPolicy": "Retain",
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"Properties": {
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"PublicAccessBlockConfiguration": {
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"BlockPublicAcls": false,
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"BlockPublicPolicy": false,
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"IgnorePublicAcls": false,
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"RestrictPublicBuckets": false
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},
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"LifecycleConfiguration": {
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"Rules": [
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{
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"Id": "DeletionAfterOneDay",
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"Status": "Enabled",
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"ExpirationInDays": 1
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}
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]
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},
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"BucketName": {
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"Fn::GetAtt": [
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"KeyPairDisplayFunctionInfo",
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"Combination"
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]
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}
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},
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"Metadata": {},
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"DependsOn": [
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"KeyPair"
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]
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},
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"OpenBucketPolicy": {
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"Type": "AWS::S3::BucketPolicy",
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"Properties": {
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"Bucket": {
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"Ref": "Ikev2S3Bucket"
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},
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"PolicyDocument": {
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": "*",
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"Action": "s3:GetObject",
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"Resource": {
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"Fn::Join": [
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"",
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[
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"arn:aws:s3:::",
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{
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"Ref": "Ikev2S3Bucket"
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},
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"/*"
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]
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]
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}
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}
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]
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}
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}
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},
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"VpnVpc": {
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"Type": "AWS::EC2::VPC",
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"Properties": {
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"CidrBlock": "10.0.0.0/24"
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},
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"Metadata": {}
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},
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"VpnSubnet": {
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"Type": "AWS::EC2::Subnet",
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"Properties": {
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"VpcId": {
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"Ref": "VpnVpc"
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},
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"CidrBlock": "10.0.0.0/24",
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"MapPublicIpOnLaunch": true,
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"AvailabilityZone": {
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"Fn::Select": [
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"0",
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{
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"Fn::GetAZs": ""
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}
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]
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}
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},
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"Metadata": {},
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"DependsOn": [
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"VpnVpc",
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"VpcInternetGateway"
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]
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},
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"VpnRouteTable": {
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"Type": "AWS::EC2::RouteTable",
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"Properties": {
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"VpcId": {
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"Ref": "VpnVpc"
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}
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},
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"Metadata": {},
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"DependsOn": [
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"VpnSubnet"
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]
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},
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"PublicInternetRoute": {
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"Type": "AWS::EC2::Route",
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"Properties": {
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"DestinationCidrBlock": "0.0.0.0/0",
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"RouteTableId": {
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"Ref": "VpnRouteTable"
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},
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"GatewayId": {
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"Ref": "VpcInternetGateway"
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}
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},
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"Metadata": {},
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"DependsOn": [
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"VpnRouteTable",
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"VpcInternetGateway",
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"InternetGatewayAttachment"
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]
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},
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"VpnInstance": {
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"Type": "AWS::EC2::Instance",
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"CreationPolicy": {
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"ResourceSignal": {
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"Timeout": "PT15M"
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}
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},
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"Properties": {
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"IamInstanceProfile": {
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"Ref": "IAMInstanceProfile"
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},
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"UserData": {
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"Fn::Base64": {
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"Fn::Join": [
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"\n",
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[
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"#!/bin/bash -xe",
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{ "Fn::Sub": "trap 'cfn-signal -e 1 --resource VpnInstance --stack ${AWS::StackName} --region ${AWS::Region}' ERR" },
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"sleep 60",
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{
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"Fn::FindInMap": [
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"OS",
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{
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"Ref": "OS"
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},
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"HelperInstallationCommands"
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]
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},
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{ "Fn::Sub": "export VPN_IPSEC_PSK='${VpnIpsecPsk}'" },
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{ "Fn::Sub": "export VPN_USER='${VpnUser}'" },
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{ "Fn::Sub": "export VPN_PASSWORD='${VpnPassword}'" },
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"wget -t 3 -T 30 -nv -O vpn.sh https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/vpnsetup.sh",
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"sh vpn.sh",
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"mkdir /root/profiles",
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"cp /root/vpnclient* /root/profiles",
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{ "Fn::Sub": "cd /root/ && zip -er --password '${VpnPassword}' profiles.zip ./profiles" },
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{ "Fn::Sub": "aws s3 cp /root/profiles.zip s3://${Ikev2S3Bucket}/" },
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{ "Fn::Sub": "cfn-signal -e 0 --stack ${AWS::StackName} --resource VpnInstance --region ${AWS::Region}" }
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]
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]
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}
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},
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"SecurityGroupIds": [
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{
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"Fn::GetAtt": [
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"VpnSecurityGroup",
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"GroupId"
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]
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}
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],
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"SubnetId": {
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"Ref": "VpnSubnet"
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},
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"AvailabilityZone": {
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"Fn::Select": [
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"0",
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{
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"Fn::GetAZs": ""
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}
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]
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},
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"InstanceType": {
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"Ref": "InstanceType"
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},
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"KeyName": {
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"Ref": "KeyPair"
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},
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"ImageId": {
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"Fn::GetAtt": [
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"AMIInfo",
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"AMIId"
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]
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}
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},
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"Metadata": {},
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"DependsOn": [
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"VpnRouteTable",
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"KeyPair",
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"AMIInfoFunction",
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"VpnSecurityGroup",
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"Ikev2S3Bucket",
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"IAMInstanceProfile"
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]
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},
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"KeyPair": {
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"Type": "AWS::EC2::KeyPair",
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"Properties": {
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"KeyName": {
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"Fn::Join": [
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"-",
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[
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"setup-ipsec-vpn",
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{
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"Ref": "AWS::StackName"
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}
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]
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]
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}
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}
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},
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"VpnSecurityGroup": {
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"Type": "AWS::EC2::SecurityGroup",
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"Properties": {
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"GroupDescription": "The VPN Security Group, allowing ingress UDP traffic at port 4500 and 500.",
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"GroupName": "VpnSecurityGroup",
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"VpcId": {
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"Ref": "VpnVpc"
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},
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"SecurityGroupIngress": [
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{
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"CidrIp": "0.0.0.0/0",
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"IpProtocol": "tcp",
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"FromPort": 22,
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"ToPort": 22
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},
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{
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"CidrIp": "0.0.0.0/0",
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"IpProtocol": "udp",
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"FromPort": 500,
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"ToPort": 500
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},
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{
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"CidrIp": "0.0.0.0/0",
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"IpProtocol": "udp",
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"FromPort": 4500,
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"ToPort": 4500
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}
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],
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"SecurityGroupEgress": [
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{
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"CidrIp": "0.0.0.0/0",
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"IpProtocol": -1
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}
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]
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},
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"Metadata": {}
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},
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"VpcInternetGateway": {
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"Type": "AWS::EC2::InternetGateway",
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"Properties": {},
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"Metadata": {},
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"DependsOn": [
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"VpnVpc"
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]
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},
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"SubnetRouteTableAssociation": {
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"Type": "AWS::EC2::SubnetRouteTableAssociation",
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"Properties": {
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"RouteTableId": {
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"Ref": "VpnRouteTable"
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},
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"SubnetId": {
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"Ref": "VpnSubnet"
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}
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},
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"Metadata": {}
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},
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"KeyPairDisplayFunction": {
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"Type": "AWS::Lambda::Function",
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"Properties": {
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"Handler": "index.handler",
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"Runtime": "python3.12",
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"Role": {
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"Fn::GetAtt": [
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"LambdaExecutionRole",
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"Arn"
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]
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},
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"Code": {
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"ZipFile": {
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"Fn::Join": [
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"\n",
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[
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"import boto3",
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"import cfnresponse",
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"import string",
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"import random",
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"import traceback",
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"'''",
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"This python program should be embedded into its designated cloudformation",
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"template as the inline code of one of the lambda functions.",
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"Its function is to create a random combination of 20 characters for the naming of the Ikev2S3Bucket, and",
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"to retrieve the private key material for display under the Outputs tab.",
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"'''",
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"def handler(event, context):",
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" try:",
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" if event['RequestType'] == 'Delete':",
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" cfnresponse.send(event, context, cfnresponse.SUCCESS, {})",
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" elif event['RequestType'] == 'Create':",
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" rCombination = 'setup-ipsec-vpn-' + ''.join(random.SystemRandom().choice(string.ascii_letters + string.digits) for _ in range(20)).lower()",
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" region = event['ResourceProperties']['Region']",
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" ssm = boto3.client('ssm',region)",
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" response = ssm.get_parameter(",
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{
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"Fn::Join": [
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"",
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[
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" Name='/ec2/keypair/",
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{
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"Fn::GetAtt": [
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"KeyPair",
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"KeyPairId"
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]
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},
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"',"
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]
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]
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},
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" WithDecryption=True",
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" )",
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" keyMaterial = response['Parameter']['Value']",
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" cfnresponse.send(event, context, cfnresponse.SUCCESS, {'KeyMaterial':keyMaterial, 'Combination':rCombination}, 'KeyPairDisplayFunctionInfo')",
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" except Exception as e:",
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" cfnresponse.send(event, context, cfnresponse.FAILED, {'ErrorMsg':traceback.format_exc()})"
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]
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]
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}
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},
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"Timeout": 30
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},
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"Metadata": {},
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"DependsOn": [
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"LambdaExecutionRole",
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"KeyPair"
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]
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},
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"KeyPairDisplayFunctionInfo": {
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"Type": "Custom::KeyPairDisplayFunctionInfo",
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"Properties": {
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"Region": {
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"Ref": "AWS::Region"
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},
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"ServiceToken": {
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"Fn::GetAtt": [
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"KeyPairDisplayFunction",
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"Arn"
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]
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}
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},
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"Metadata": {},
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"DependsOn": [
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"KeyPairDisplayFunction",
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"KeyPair"
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]
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},
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"AMIInfo": {
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"Type": "Custom::AMIInfo",
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"Properties": {
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"Region": {
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"Ref": "AWS::Region"
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},
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"ServiceToken": {
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"Fn::GetAtt": [
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"AMIInfoFunction",
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"Arn"
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]
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},
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"Distribution": {
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"Ref": "OS"
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}
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},
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"Metadata": {},
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"DependsOn": [
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"AMIInfoFunction"
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]
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},
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"AMIInfoFunction": {
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"Type": "AWS::Lambda::Function",
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"Properties": {
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"Handler": "index.handler",
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"Runtime": "python3.12",
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"Role": {
|
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"Fn::GetAtt": [
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"LambdaExecutionRole",
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"Arn"
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]
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},
|
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"Code": {
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"ZipFile": {
|
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"Fn::Join": [
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"\n",
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[
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"import boto3",
|
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"import cfnresponse",
|
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"import traceback",
|
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"'''",
|
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"This python script should be embeded into its designated cloudformation template.",
|
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"Its function is to sort out the correct AMI image to use for each of the distribution options available.",
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"'''",
|
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"def creation_date(e):",
|
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" return e['CreationDate']",
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"",
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"def handler(event, context):",
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" try:",
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" regionName = event['ResourceProperties']['Region']",
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" distribution = event['ResourceProperties']['Distribution']",
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" ec2 = boto3.client('ec2',regionName)",
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" AMIName = {",
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" 'Ubuntu2004': 'ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*',",
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" 'Ubuntu2204': 'ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*',",
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" 'Ubuntu2404': 'ubuntu/images/hvm-ssd-gp3/ubuntu-noble-24.04-amd64-server-*',",
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" 'Debian11': 'debian-11-amd64-*',",
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" 'Debian12': 'debian-12-amd64-*',",
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" 'AmazonLinux2': 'amzn2-ami-hvm-*.*-x86_64-gp2',",
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" }[distribution]",
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" response = ec2.describe_images(Filters=[{'Name':'name', 'Values':[AMIName]}], Owners=['099720109477', '136693071363', 'amazon'])",
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" images = response['Images']",
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" images.sort(key=creation_date,reverse=True)",
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" AMIId = images[0]['ImageId']",
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" cfnresponse.send(event, context, cfnresponse.SUCCESS, {'AMIId':AMIId}, 'AMIInfo')",
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" except Exception:",
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" cfnresponse.send(event, context, cfnresponse.FAILED, {'ErrorMsg':traceback.format_exc()})"
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]
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]
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}
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},
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"Timeout": 30
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},
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"Metadata": {},
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"DependsOn": [
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"LambdaExecutionRole"
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]
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},
|
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"LambdaExecutionRole": {
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"Type": "AWS::IAM::Role",
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"Properties": {
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"AssumeRolePolicyDocument": {
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": {
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"Service": "lambda.amazonaws.com"
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},
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"Action": [
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"sts:AssumeRole"
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]
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}
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]
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},
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"Path": "/",
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"Policies": [
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{
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"PolicyName": "root",
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"PolicyDocument": {
|
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"Version": "2012-10-17",
|
|
"Statement": [
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{
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"Effect": "Allow",
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"Action": "*",
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"Resource": "*"
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}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"Metadata": {}
|
|
},
|
|
"S3ExecutionRole": {
|
|
"Type": "AWS::IAM::Role",
|
|
"Properties": {
|
|
"AssumeRolePolicyDocument": {
|
|
"Version": "2012-10-17",
|
|
"Statement": [
|
|
{
|
|
"Effect": "Allow",
|
|
"Principal": {
|
|
"Service": [
|
|
"ec2.amazonaws.com"
|
|
]
|
|
},
|
|
"Action": [
|
|
"sts:AssumeRole"
|
|
]
|
|
}
|
|
]
|
|
},
|
|
"Path": "/",
|
|
"Policies": [
|
|
{
|
|
"PolicyName": "s3-bucket-specific-policy",
|
|
"PolicyDocument": {
|
|
"Version": "2012-10-17",
|
|
"Statement": [
|
|
{
|
|
"Effect": "Allow",
|
|
"Action": "s3:PutObject",
|
|
"Resource": [
|
|
{
|
|
"Fn::Join": [
|
|
"",
|
|
[
|
|
{
|
|
"Fn::GetAtt": [
|
|
"Ikev2S3Bucket",
|
|
"Arn"
|
|
]
|
|
},
|
|
"/*"
|
|
]
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"Metadata": {}
|
|
},
|
|
"InternetGatewayAttachment": {
|
|
"Type": "AWS::EC2::VPCGatewayAttachment",
|
|
"Properties": {
|
|
"InternetGatewayId": {
|
|
"Ref": "VpcInternetGateway"
|
|
},
|
|
"VpcId": {
|
|
"Ref": "VpnVpc"
|
|
}
|
|
},
|
|
"Metadata": {}
|
|
}
|
|
},
|
|
"Parameters": {
|
|
"VpnUser": {
|
|
"Type": "String",
|
|
"Description": "Your VPN username"
|
|
},
|
|
"VpnIpsecPsk": {
|
|
"Type": "String",
|
|
"Description": "Your VPN IPsec PSK (pre-shared key)"
|
|
},
|
|
"VpnPassword": {
|
|
"Type": "String",
|
|
"Description": "Your VPN password"
|
|
},
|
|
"OS": {
|
|
"Type": "String",
|
|
"Description": "The OS of your VPN server. Default: Ubuntu 22.04",
|
|
"Default": "Ubuntu2204",
|
|
"AllowedValues": [
|
|
"Ubuntu2404",
|
|
"Ubuntu2204",
|
|
"Ubuntu2004",
|
|
"Debian12",
|
|
"Debian11",
|
|
"AmazonLinux2"
|
|
]
|
|
},
|
|
"InstanceType": {
|
|
"Type": "String",
|
|
"Description": "The instance type of your VPN server. Using t2.micro or t3.micro may qualify for the AWS Free Tier.",
|
|
"AllowedValues": [
|
|
"t2.micro",
|
|
"t3.nano",
|
|
"m5.large",
|
|
"t3.micro",
|
|
"t3.small",
|
|
"t2.nano",
|
|
"t2.small",
|
|
"t3a.nano",
|
|
"t3a.micro",
|
|
"t3a.small",
|
|
"m5a.large",
|
|
"t1.micro"
|
|
],
|
|
"Default": "t2.micro"
|
|
}
|
|
},
|
|
"Outputs": {
|
|
"1VPNAddress": {
|
|
"Description": "This is the public IP of your newly-launched VPN server.",
|
|
"Value": {
|
|
"Fn::GetAtt": [
|
|
"VpnInstance",
|
|
"PublicIp"
|
|
]
|
|
}
|
|
},
|
|
"2VPNUsername": {
|
|
"Description": "Your VPN username",
|
|
"Value": {
|
|
"Ref": "VpnUser"
|
|
}
|
|
},
|
|
"3VPNPassword": {
|
|
"Description": "Your VPN password",
|
|
"Value": {
|
|
"Ref": "VpnPassword"
|
|
}
|
|
},
|
|
"4VPNKey": {
|
|
"Description": "Your VPN IPsec PSK (pre-shared key)",
|
|
"Value": {
|
|
"Ref": "VpnIpsecPsk"
|
|
}
|
|
},
|
|
"5EC2PrivateKeyId": {
|
|
"Description": "The ID of the key pair created. For more information regarding how to retrieve the private key for authentication, please refer to: https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/aws/README.md#faqs",
|
|
"Value": {
|
|
"Fn::GetAtt": [
|
|
"KeyPair",
|
|
"KeyPairId"
|
|
]
|
|
}
|
|
},
|
|
"6EC2PrivateKeyMaterial": {
|
|
"Description": "The content of your private key for accessing the VPN server via SSH. Save it as a file for use when connecting.",
|
|
"Value": {
|
|
"Fn::GetAtt": [
|
|
"KeyPairDisplayFunctionInfo",
|
|
"KeyMaterial"
|
|
]
|
|
}
|
|
},
|
|
"7NextStep": {
|
|
"Description": "Learn how to configure VPN clients.",
|
|
"Value": "https://github.com/hwdsl2/setup-ipsec-vpn#next-steps"
|
|
},
|
|
"8WarningForDebianUsers": {
|
|
"Description": "Please be noted that due to Debian images on AWS EC2 using cloud kernels, you are unable to use IPSec/L2TP mode if your server is running Debian. For more information, please refer to the link to the left.",
|
|
"Value": "https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/clients.md#debian-kernel"
|
|
},
|
|
"9RetrieveYourIkev2Credentials": {
|
|
"Description": "Please use the following link to download your IKEv2 connection credentials. The password to the ZIP file that stores the credentials, is the same password used to connect to your VPN server. The download link for the credentials will expire in ONE day.",
|
|
"Value": {
|
|
"Fn::Join": [
|
|
"",
|
|
[
|
|
"https://",
|
|
{
|
|
"Fn::GetAtt": [
|
|
"Ikev2S3Bucket",
|
|
"RegionalDomainName"
|
|
]
|
|
},
|
|
"/profiles.zip"
|
|
]
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|