# Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this
# software and associated documentation files (the "Software"), to deal in the Software
# without restriction, including without limitation the rights to use, copy, modify,
# merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: AWS AppConfig Feature Flags example
###################################################################################################
## Template Parameters ##
###################################################################################################
Parameters:
AppName:
Type: String
Description: Name of application (no spaces). Value must be globally unique
Default: appconfig-feature-flags
AppConfigApplication:
Type: String
Description: Id of AppConfig Application
AppConfigEnvironment:
Type: String
Description: Id of AppConfig Environment
AppConfigConfigurationProfile:
Type: String
Description: Id of AppConfig Configuration Profile
ClientDomains:
Type: CommaDelimitedList
Description: Array of domains allowed to use the API
Default: '*'
###################################################################################################
## Template Resources ##
###################################################################################################
Resources:
## Feature Flags Function
getFeatureFlags:
Type: AWS::Serverless::Function
Properties:
Handler: getFeatureFlags.handler
CodeUri: src/getFeatureFlags/
Runtime: nodejs14.x
MemorySize: 128
Timeout: 100
Layers:
- !FindInMap [AppConfigLayer, !Ref "AWS::Region", ARN]
- !Ref FeatureFlagLayer
Policies:
- Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- appconfig:GetLatestConfiguration
- appconfig:StartConfigurationSession
Resource:
- !Sub 'arn:aws:appconfig:*:*:application/${AppConfigApplication}/environment/${AppConfigEnvironment}/configuration/${AppConfigConfigurationProfile}'
Environment:
Variables:
APPCONFIG_APPLICATION: !Ref AppConfigApplication
APPCONFIG_ENVIRONMENT: !Ref AppConfigEnvironment
APPCONFIG_CONFIGURATION: !Ref AppConfigConfigurationProfile
# AWS_APPCONFIG_EXTENSION_POLL_INTERVAL_SECONDS: 45
# AWS_APPCONFIG_EXTENSION_POLL_TIMEOUT_MILLIS: 3000
# AWS_APPCONFIG_EXTENSION_HTTP_PORT: 2772
Events:
Api:
Type: HttpApi
Properties:
Path: /flags
Method: GET
ApiId: !Ref HttpApi
## Products Function
getAllProducts:
Type: AWS::Serverless::Function
Properties:
Handler: getAllProducts.handler
CodeUri: src/getAllProducts/
Runtime: nodejs14.x
MemorySize: 128
Timeout: 100
Layers:
- !FindInMap [AppConfigLayer, !Ref "AWS::Region", ARN]
- !Ref FeatureFlagLayer
Policies:
- DynamoDBReadPolicy:
TableName: !Ref DynamoDBTable
- Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- appconfig:GetLatestConfiguration
- appconfig:StartConfigurationSession
Resource:
- !Sub 'arn:aws:appconfig:*:*:application/${AppConfigApplication}/environment/${AppConfigEnvironment}/configuration/${AppConfigConfigurationProfile}'
Environment:
Variables:
PRODUCT_TABLE: !Ref DynamoDBTable
APPCONFIG_APPLICATION: !Ref AppConfigApplication
APPCONFIG_ENVIRONMENT: !Ref AppConfigEnvironment
APPCONFIG_CONFIGURATION: !Ref AppConfigConfigurationProfile
AWS_APPCONFIG_EXTENSION_POLL_INTERVAL_SECONDS: 15
# AWS_APPCONFIG_EXTENSION_POLL_TIMEOUT_MILLIS: 3000
# AWS_APPCONFIG_EXTENSION_HTTP_PORT: 2772
Events:
Api:
Type: HttpApi
Properties:
Path: /products
Method: GET
ApiId: !Ref HttpApi
## Shared libraries layer
FeatureFlagLayer:
Type: AWS::Serverless::LayerVersion
Properties:
ContentUri: src/FeatureFlagLayer/.
CompatibleRuntimes:
- nodejs14.x
RetentionPolicy: Delete
Metadata:
BuildMethod: nodejs14.x
## API Gateway
HttpApi:
Type: AWS::Serverless::HttpApi
Properties:
CorsConfiguration:
AllowMethods:
- GET
AllowHeaders:
- '*'
AllowOrigins: !Ref ClientDomains
## Products Table
DynamoDBTable:
Type: 'AWS::DynamoDB::Table'
DeletionPolicy: Delete
Properties:
AttributeDefinitions:
-
AttributeName: id
AttributeType: N
KeySchema:
-
AttributeName: id
KeyType: HASH
BillingMode: PAY_PER_REQUEST
###################################################################################################
## Mappings ##
###################################################################################################
Mappings:
## See layer ARNs https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-integration-lambda-extensions.html
AppConfigLayer:
ap-east-1:
ARN: arn:aws:lambda:ap-east-1:630222743974:layer:AWS-AppConfig-Extension:44
ap-northeast-3:
ARN: arn:aws:lambda:ap-northeast-3:706869817123:layer:AWS-AppConfig-Extension:42
us-east-1:
ARN: arn:aws:lambda:us-east-1:027255383542:layer:AWS-AppConfig-Extension:61
us-east-2:
ARN: arn:aws:lambda:us-east-2:728743619870:layer:AWS-AppConfig-Extension:47
eu-north-1:
ARN: arn:aws:lambda:eu-north-1:646970417810:layer:AWS-AppConfig-Extension:86
ap-northeast-2:
ARN: arn:aws:lambda:ap-northeast-2:826293736237:layer:AWS-AppConfig-Extension:54
us-west-2:
ARN: arn:aws:lambda:us-west-2:359756378197:layer:AWS-AppConfig-Extension:89
us-west-1:
ARN: arn:aws:lambda:us-west-1:958113053741:layer:AWS-AppConfig-Extension:61
ap-northeast-1:
ARN: arn:aws:lambda:ap-northeast-1:980059726660:layer:AWS-AppConfig-Extension:45
us-gov-east-1:
ARN: arn:aws-us-gov:lambda:us-gov-east-1:946561847325:layer:AWS-AppConfig-Extension:20
af-south-1:
ARN: arn:aws:lambda:af-south-1:574348263942:layer:AWS-AppConfig-Extension:44
us-gov-west-1:
ARN: arn:aws-us-gov:lambda:us-gov-west-1:946746059096:layer:AWS-AppConfig-Extension:20
ap-southeast-1:
ARN: arn:aws:lambda:ap-southeast-1:421114256042:layer:AWS-AppConfig-Extension:45
ap-southeast-2:
ARN: arn:aws:lambda:ap-southeast-2:080788657173:layer:AWS-AppConfig-Extension:54
ap-south-1:
ARN: arn:aws:lambda:ap-south-1:554480029851:layer:AWS-AppConfig-Extension:55
eu-west-1:
ARN: arn:aws:lambda:eu-west-1:434848589818:layer:AWS-AppConfig-Extension:59
eu-west-2:
ARN: arn:aws:lambda:eu-west-2:282860088358:layer:AWS-AppConfig-Extension:47
eu-west-3:
ARN: arn:aws:lambda:eu-west-3:493207061005:layer:AWS-AppConfig-Extension:48"
eu-south-1:
ARN: arn:aws:lambda:eu-south-1:203683718741:layer:AWS-AppConfig-Extension:44
eu-central-1:
ARN: arn:aws:lambda:eu-central-1:066940009817:layer:AWS-AppConfig-Extension:54
cn-northwest-1:
ARN: arn:aws-cn:lambda:cn-northwest-1:615084187847:layer:AWS-AppConfig-Extension:43
ca-central-1:
ARN: arn:aws:lambda:ca-central-1:039592058896:layer:AWS-AppConfig-Extension:47
me-south-1:
ARN: arn:aws:lambda:me-south-1:559955524753:layer:AWS-AppConfig-Extension:44
cn-north-1:
ARN: arn:aws-cn:lambda:cn-north-1:615057806174:layer:AWS-AppConfig-Extension:43
sa-east-1:
ARN: arn:aws:lambda:sa-east-1:000010852771:layer:AWS-AppConfig-Extension:61
###################################################################################################
## Template outputs ##
###################################################################################################
Outputs:
HttpApiUrl:
Description: URL of your API endpoint
Value:
Fn::Sub: 'https://${HttpApi}.execute-api.${AWS::Region}.${AWS::URLSuffix}'
DynamoDBTableName:
Description: The name of your DynamoDB table
Value: !Ref DynamoDBTable