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setup-ipsec-vpn/aws/cloudformation-template-ipsec
hwdsl2 89a7008a6c Update AWS template
- Change Debian AMI names to be more specific
  Ref: https://wiki.debian.org/Cloud/AmazonEC2Image
- Change default OS to Ubuntu 20.04
- Minor wording changes
2020-08-27 00:27:00 -05:00

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28 KiB
Plaintext

{
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},
"Resources": {
"VpnVpc": {
"Type": "AWS::EC2::VPC",
"Properties": {
"CidrBlock": "10.0.0.0/24"
},
"Metadata": {
"AWS::CloudFormation::Designer": {
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}
},
"VpnSubnet": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VpnVpc"
},
"CidrBlock": "10.0.0.0/24",
"MapPublicIpOnLaunch": true,
"AvailabilityZone": {
"Fn::Sub": "${AWS::Region}a"
}
},
"Metadata": {
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},
"DependsOn": [
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"VpcInternetGateway"
]
},
"VpnRouteTable": {
"Type": "AWS::EC2::RouteTable",
"Properties": {
"VpcId": {
"Ref": "VpnVpc"
}
},
"Metadata": {
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},
"DependsOn": [
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]
},
"PublicInternetRoute": {
"Type": "AWS::EC2::Route",
"Properties": {
"DestinationCidrBlock": "0.0.0.0/0",
"RouteTableId": {
"Ref": "VpnRouteTable"
},
"GatewayId": {
"Ref": "VpcInternetGateway"
}
},
"Metadata": {
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},
"DependsOn": [
"VpnRouteTable",
"VpcInternetGateway",
"InternetGatewayAttachment"
]
},
"VpnInstance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"UserData": {
"Fn::Base64": {
"Fn::Join": [
"",
[
"#!/bin/bash -x\n",
"export VPN_IPSEC_PSK='",
{
"Ref": "VpnIpsecPsk"
},
"'\n",
"export VPN_USER='",
{
"Ref": "VpnUser"
},
"'\n",
"export VPN_PASSWORD='",
{
"Ref": "VpnPassword"
},
"'\n",
"sleep 60\n",
"wget https://git.io/vpnsetup -O vpnsetup.sh && sh vpnsetup.sh\n"
]
]
}
},
"SecurityGroupIds": [
{
"Fn::GetAtt": [
"VpnSecurityGroup",
"GroupId"
]
}
],
"SubnetId": {
"Ref": "VpnSubnet"
},
"AvailabilityZone": {
"Fn::Sub": "${AWS::Region}a"
},
"InstanceType": {
"Ref": "InstanceType"
},
"KeyName": {
"Fn::GetAtt": [
"KeyPairInfo",
"KeyName"
]
},
"ImageId": {
"Fn::GetAtt": [
"AMIInfo",
"AMIId"
]
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "40c2d4e7-f01a-45b2-8878-a06680aa2216"
}
},
"DependsOn": [
"VpnRouteTable",
"VpnServerVolume",
"KeyPairCreation",
"AMIInfoFunction",
"VpnSecurityGroup"
]
},
"VpnSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "The VPN Security Group, allowing ingress UDP traffic at port 4500 and 500.",
"GroupName": "VpnSecurityGroup",
"VpcId": {
"Ref": "VpnVpc"
},
"SecurityGroupIngress": [
{
"CidrIp": "0.0.0.0/0",
"IpProtocol": "tcp",
"FromPort": 22,
"ToPort": 22
},
{
"CidrIp": "0.0.0.0/0",
"IpProtocol": "udp",
"FromPort": 500,
"ToPort": 500
},
{
"CidrIp": "0.0.0.0/0",
"IpProtocol": "udp",
"FromPort": 4500,
"ToPort": 4500
}
],
"SecurityGroupEgress": [
{
"CidrIp": "0.0.0.0/0",
"IpProtocol": -1
}
]
},
"Metadata": {
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}
},
"VpnServerVolume": {
"Type": "AWS::EC2::Volume",
"Properties": {
"AvailabilityZone": {
"Fn::Sub": "${AWS::Region}a"
},
"Size": 8
},
"Metadata": {
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},
"VpcInternetGateway": {
"Type": "AWS::EC2::InternetGateway",
"Properties": {},
"Metadata": {
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},
"DependsOn": [
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]
},
"EC2SRTA4VJU5": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"RouteTableId": {
"Ref": "VpnRouteTable"
},
"SubnetId": {
"Ref": "VpnSubnet"
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "5bb16646-dc1e-4661-9164-6ecc6848dc83"
}
}
},
"KeyPairCreation": {
"Type": "AWS::Lambda::Function",
"Properties": {
"Handler": "index.handler",
"Runtime": "python3.7",
"Role": {
"Fn::GetAtt": [
"LambdaExecutionRole",
"Arn"
]
},
"Timeout": 30,
"Code": {
"ZipFile": {
"Fn::Join": [
"\n",
[
"import boto3",
"import cfnresponse",
"import string",
"import random",
"'''",
"This python program should be embedded into its designated cloudformation",
"template as the inline code of one of the lambda functions.",
"'''",
"def handler(event, context):",
" try:",
" keyName = ''.join(random.SystemRandom().choice(string.ascii_letters + string.digits) for _ in range(10))",
" region = event['ResourceProperties']['Region']",
" ec2 = boto3.client('ec2',region)",
" response = ec2.create_key_pair(",
" KeyName=keyName",
" )",
" keyMaterial = response['KeyMaterial']",
" cfnresponse.send(event, context, cfnresponse.SUCCESS, {'KeyMaterial':keyMaterial, 'KeyName':keyName}, 'KeyPairInfo')",
" except Exception:",
" cfnresponse.send(event, context, cfnresponse.FAILED, {})"
]
]
}
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "99fce86e-18b8-4b1b-a572-7bef3c5cece7"
}
},
"DependsOn": [
"LambdaExecutionRole"
]
},
"AMIInfo": {
"Type": "Custom::AMIInfo",
"Properties": {
"Region": {
"Ref": "AWS::Region"
},
"ServiceToken": {
"Fn::GetAtt": [
"AMIInfoFunction",
"Arn"
]
},
"Distribution": {
"Ref": "OS"
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "2c5cc5a9-5a17-4d54-80ea-56e204c9c1a1"
}
},
"DependsOn": [
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]
},
"AMIInfoFunction": {
"Type": "AWS::Lambda::Function",
"Properties": {
"Handler": "index.handler",
"Runtime": "python3.7",
"Role": {
"Fn::GetAtt": [
"LambdaExecutionRole",
"Arn"
]
},
"Code": {
"ZipFile": {
"Fn::Join": [
"\n",
[
"import boto3",
"import cfnresponse",
"def creation_date(e):",
" return e['CreationDate']",
"",
"def handler(event, context):",
" try:",
" regionName = event['ResourceProperties']['Region']",
" distribution = event['ResourceProperties']['Distribution']",
" ec2 = boto3.client('ec2',regionName)",
" IAMName = ''",
" if distribution == 'Ubuntu16.04':",
" IAMName = 'ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-*'",
" elif distribution == 'Ubuntu18.04':",
" IAMName = 'ubuntu/images/hvm-ssd/ubuntu-bionic-18.04-amd64-server-*'",
" elif distribution == 'Ubuntu20.04':",
" IAMName = 'ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*'",
" elif distribution == 'Debian9':",
" IAMName = 'debian-stretch-hvm-x86_64-gp2-2020-07-20-58035'",
" elif distribution == 'Debian10':",
" IAMName = 'debian-10-amd64-20200803-347'",
" response = ec2.describe_images(Filters=[{'Name':'name', 'Values':[IAMName]}])",
" images = response['Images']",
" images.sort(key=creation_date,reverse=True)",
" AMIId = images[0]['ImageId']",
" cfnresponse.send(event, context, cfnresponse.SUCCESS, {'AMIId':AMIId}, 'AMIInfo')",
" except Exception:",
" cfnresponse.send(event, context, cfnresponse.FAILED, {})"
]
]
}
},
"Timeout": 30
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "58a1ab6f-49ac-4ffa-93c7-3f708bf65871"
}
},
"DependsOn": [
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]
},
"LambdaExecutionRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": "lambda.amazonaws.com"
},
"Action": [
"sts:AssumeRole"
]
},
{
"Effect": "Allow",
"Principal": {
"Service": [
"ec2.amazonaws.com"
]
},
"Action": [
"sts:AssumeRole"
]
}
]
},
"Path": "/",
"Policies": [
{
"PolicyName": "root",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "*",
"Resource": "*"
}
]
}
}
]
},
"Metadata": {
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}
}
},
"KeyPairInfo": {
"Type": "Custom::KeyPairInfo",
"Properties": {
"Region": {
"Ref": "AWS::Region"
},
"ServiceToken": {
"Fn::GetAtt": [
"KeyPairCreation",
"Arn"
]
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "e81dfbbc-e8ee-4f4b-adb0-b314056ab0b3"
}
},
"DependsOn": [
"KeyPairCreation"
]
},
"InternetGatewayAttachment": {
"Type": "AWS::EC2::VPCGatewayAttachment",
"Properties": {
"InternetGatewayId": {
"Ref": "VpcInternetGateway"
},
"VpcId": {
"Ref": "VpnVpc"
}
},
"Metadata": {
"AWS::CloudFormation::Designer": {
"id": "9d3d19ab-d561-4f59-89de-73498eeeebda"
}
}
},
"EC2VA41EUF": {
"Type": "AWS::EC2::VolumeAttachment",
"Properties": {
"Device": "/dev/sdh",
"VolumeId": {
"Ref": "VpnServerVolume"
},
"InstanceId": {
"Ref": "VpnInstance"
}
},
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}
},
"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 20.04",
"Default": "Ubuntu20.04",
"AllowedValues": [
"Ubuntu16.04",
"Ubuntu18.04",
"Ubuntu20.04",
"Debian9",
"Debian10"
]
},
"InstanceType": {
"Type": "String",
"Description": "The instance type of your VPN server. Using t2.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": {
"VPNAddress": {
"Description": "This is the public IP of your newly-launched VPN server.",
"Value": {
"Fn::GetAtt": [
"VpnInstance",
"PublicIp"
]
}
},
"VPNUsername": {
"Description": "Your VPN username",
"Value": {
"Ref": "VpnUser"
}
},
"VPNPassword": {
"Description": "Your VPN password",
"Value": {
"Ref": "VpnPassword"
}
},
"VPNKey": {
"Description": "Your VPN IPsec PSK (pre-shared key)",
"Value": {
"Ref": "VpnIpsecPsk"
}
},
"EC2PrivateKeyMaterial": {
"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": [
"KeyPairInfo",
"KeyMaterial"
]
}
},
"NextStep": {
"Description": "Learn how to configure VPN clients.",
"Value": "https://github.com/hwdsl2/setup-ipsec-vpn#next-steps"
}
}
}