## deprecated

service: ${env:STACK_NAME}-lambda-edge-${env:ROOTSTACK}

frameworkVersion: "2"

useDotenv: true

provider:

logRetentionInDays: 90 # Set the default RetentionInDays for a CloudWatch LogGroup

name: aws

runtime: nodejs14.x

region: us-east-1

stage: ${env:ENV}

deploymentBucket:

maxPreviousDeploymentArtifacts: 10 # On every deployment the framework prunes the bucket to remove artifacts older than this limit. The default is 5

blockPublicAccess: true

serverSideEncryption: AES256

tags:

StackName: ${env:STACK_NAME}

Env: ${env:ENV}

RootStack: ${env:ROOTSTACK}

stackTags: # Optional CF stack tags

StackName: ${env:STACK_NAME}

Env: ${env:ENV}

RootStack: ${env:ROOTSTACK}

tags: # Optional service wide function tags

StackName: ${env:STACK_NAME}

Env: ${env:ENV}

RootStack: ${env:ROOTSTACK}

resources:

Resources:

LambdaFunction:

DependsOn: [LambdaFunctionRole]

Type: "AWS::Lambda::Function"

Properties:

FunctionName: ${env:ROOTSTACK}-forwarder-${env:ENV}

Handler: index.handler

Runtime: nodejs14.x

Role: !GetAtt LambdaFunctionRole.Arn

MemorySize: 1024

Code:

ZipFile: |

'use strict';

const path = require("path");

exports.handler = async (evt, context, cb) => {

const { request } = evt.Records[0].cf;

console.log(`Original Uri: ${request.uri}`);

const uriParts = request.uri.split("/");

const locale = uriParts.length > 1 ? uriParts[1] : "";

const locales = ["en-US", "ja", "ms", "es"];

const lastPartUrl = uriParts[uriParts.length - 1];

// whitelisted version.json request

console.log('trailingURL::', lastPartUrl);

if (lastPartUrl.match(/^version\.json(?:\?t=\d+)?$/) !== null) {

return cb(null, request);

}

if (locale === "" || locale === "index.html" || !locales.includes(locale)) {

request.uri = "/en-US/index.html";

console.log('Go to default page and locale.');

return cb(null, request);

}

const fileExt = path.extname(lastPartUrl);

if (!fileExt) request.uri = `/${locale}/index.html`;

console.log(`New Uri: ${request.uri}`);

return cb(null, request);

};

LambdaFunctionRole:

Type: AWS::IAM::Role

Properties:

AssumeRolePolicyDocument:

Version: "2012-10-17"

Statement:

- Effect: Allow

Principal:

Service:

- lambda.amazonaws.com

- edgelambda.amazonaws.com

Action:

- sts:AssumeRole

ManagedPolicyArns:

- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole

LambdaVersion:

Type: Custom::LatestLambdaVersion

Properties:

ServiceToken: !GetAtt PublishLambdaVersion.Arn

FunctionName: !Ref LambdaFunction

Nonce: ${env:Nonce}

PublishLambdaVersion:

Type: AWS::Lambda::Function

Properties:

Handler: index.handler

Runtime: nodejs14.x

Role: !GetAtt PublishLambdaVersionRole.Arn

Code:

ZipFile: |

const {Lambda} = require('aws-sdk')

const {send, SUCCESS, FAILED} = require('cfn-response')

const lambda = new Lambda()

exports.handler = (event, context) => {

const {RequestType, ResourceProperties: {FunctionName}} = event

if (RequestType == 'Delete') return send(event, context, SUCCESS)

lambda.publishVersion({FunctionName}, (err, {FunctionArn}) => {

err

? send(event, context, FAILED, err)

: send(event, context, SUCCESS, {FunctionArn})

})

}

PublishLambdaVersionRole:

Type: AWS::IAM::Role

Properties:

AssumeRolePolicyDocument:

Version: "2012-10-17"

Statement:

- Effect: Allow

Principal:

Service: lambda.amazonaws.com

Action: sts:AssumeRole

ManagedPolicyArns:

- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole

Policies:

- PolicyName: PublishVersion

PolicyDocument:

Version: "2012-10-17"

Statement:

- Effect: Allow

Action: lambda:PublishVersion

Resource: "*"

Outputs:

LambdaFunctionArn:

Description: "Lambda Function ARN"

Value: !GetAtt LambdaFunction.Arn

Export:

Name: ${env:STACK_NAME}-LambdaFunctionArn-${env:ENV}

IndexLambdaVersionArnVersion:

Description: "Arn Version for Lambda function to associate unto CDN"

Value: !GetAtt LambdaVersion.FunctionArn

Export:

Name: ${env:STACK_NAME}-IndexLambdaVersionArnVersion-${env:ENV}