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apigateway-option-cf.yml
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apigateway-option-cf.yml
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---
AWSTemplateFormatVersion: '2010-09-09'
Resources:
# This section creates a dummy Lambda function, an SQS queue, and
# an Event Source Mapping that connects the two.
FunctionRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- 'sts:AssumeRole'
Policies:
- PolicyName: root
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'sqs:ReceiveMessage'
- 'sqs:DeleteMessage'
- 'sqs:GetQueueAttributes'
Resource: !GetAtt Queue.Arn
Function:
Type: AWS::Lambda::Function
Properties:
Code:
ZipFile: |
omitted
FunctionName: night-lambda-function-1
Handler: example.only
Role: !GetAtt FunctionRole.Arn
Runtime: nodejs12.x
Queue:
Type: AWS::SQS::Queue
EventSourceMapping:
Type: AWS::Lambda::EventSourceMapping
Properties:
EventSourceArn: !GetAtt Queue.Arn
FunctionName: !GetAtt Function.Arn
# This section creates an API Gateway REST API configured with a service
# integration that calls Lambda's UpdateEventSourceMapping API action.
RestApi:
Type: AWS::ApiGateway::RestApi
Properties:
Name: night-lambda-api
EndpointConfiguration:
Types:
- REGIONAL
ApiIntegrationRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- apigateway.amazonaws.com
Action:
- 'sts:AssumeRole'
Policies:
- PolicyName: root
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action: 'lambda:UpdateEventSourceMapping'
Resource: !Sub
- 'arn:aws:lambda:${Region}:${AccountId}:event-source-mapping:${UUID}'
- Region: !Ref AWS::Region
AccountId: !Ref AWS::AccountId
UUID: !Ref EventSourceMapping
ApiMethod:
Type: AWS::ApiGateway::Method
Properties:
HttpMethod: PUT
ResourceId: !GetAtt RestApi.RootResourceId
RestApiId: !Ref RestApi
AuthorizationType: AWS_IAM
RequestParameters:
'method.request.header.Content-Type': true
MethodResponses:
- StatusCode: 202
Integration:
IntegrationHttpMethod: PUT
Type: AWS
Credentials: !GetAtt ApiIntegrationRole.Arn
Uri: !Sub
- 'arn:aws:apigateway:${Region}:lambda:path/2015-03-31/event-source-mappings/${UUID}'
- Region: !Ref AWS::Region
UUID: !Ref EventSourceMapping
IntegrationResponses:
- StatusCode: 202
ApiStage:
Type: AWS::ApiGateway::Stage
Properties:
RestApiId: !Ref RestApi
DeploymentId: !Ref ApiDeployment
StageName: prod
ApiDeployment:
Type: AWS::ApiGateway::Deployment
Properties:
RestApiId: !Ref RestApi
DependsOn:
- ApiMethod
# This section creates two self-triggering EventBridge rules, each with an
# API Gateway target. These two rules call the above API to enable and
# disable the above Event Source Mapping on a schedule.
EventsRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- events.amazonaws.com
Action:
- 'sts:AssumeRole'
Policies:
- PolicyName: root
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action: 'execute-api:Invoke'
Resource: !Sub
- 'arn:aws:execute-api:${Region}:${AccountId}:${RestApi}/${ApiStage}/PUT/'
- Region: !Ref AWS::Region
AccountId: !Ref AWS::AccountId
RestApi: !Ref RestApi
ApiStage: !Ref ApiStage
EnableRule:
Type: AWS::Events::Rule
Properties:
Name: enable-night-lambda-1
ScheduleExpression: 'cron(0 1 * * ? *)'
Targets:
- Id: ApiTarget
Arn: !Sub
- 'arn:aws:execute-api:${Region}:${AccountId}:${RestApi}/${ApiStage}/PUT/'
- Region: !Ref AWS::Region
AccountId: !Ref AWS::AccountId
RestApi: !Ref RestApi
ApiStage: !Ref ApiStage
HttpParameters:
HeaderParameters:
'Content-Type': 'application/json'
Input: '{ "Enabled": true }'
RoleArn: !GetAtt EventsRole.Arn
RetryPolicy:
MaximumEventAgeInSeconds: 3600
DisableRule:
Type: AWS::Events::Rule
Properties:
Name: disable-night-lambda-1
ScheduleExpression: 'cron(0 6 * * ? *)'
Targets:
- Id: ApiTarget
Arn: !Sub
- 'arn:aws:execute-api:${Region}:${AccountId}:${RestApi}/${ApiStage}/PUT/'
- Region: !Ref AWS::Region
AccountId: !Ref AWS::AccountId
RestApi: !Ref RestApi
ApiStage: !Ref ApiStage
HttpParameters:
HeaderParameters:
'Content-Type': 'application/json'
Input: '{ "Enabled": false }'
RoleArn: !GetAtt EventsRole.Arn
RetryPolicy:
MaximumEventAgeInSeconds: 3600