cloudformation.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: Lambda Function to fetch upcoming races for a MultiGP Chapter


Parameters:
  MultiGPChapter:
    Type: String
    Description: Chapter URL Slug

  JsonOutputBucket:
    Type: String
    Description: Name of S3 Bucket used for hosting json
  
Resources:
  RaceFinderFunction:
    Type: AWS::Lambda::Function
    Properties:
      Code:
        ZipFile: racefinder.zip
      Handler: races.lambda_multigp
      Runtime: python2.7
      MemorySize: 512
      Timeout: 60
      Role: !GetAtt LambdaExecutionRole.Arn
      Environment:
        Variables:
          MGP_CHAPTER: !Ref MultiGPChapter
          OUTPUT_BUCKET: !Ref RaceJsonBucket

  RaceFinderSchedule:
    Type: AWS::Events::Rule
    Properties: 
      Name: RaceFinderSchedule
      ScheduleExpression: rate(1 day)
      Targets:
        -
          Arn: !GetAtt RaceFinderFunction.Arn
          Id: DailyRaceFinder
  
  RaceFinderFunctionPermission:
    Type: AWS::Lambda::Permission
    Properties:
      FunctionName: !Ref RaceFinderFunction
      Action: lambda:InvokeFunction
      Principal: events.amazonaws.com
      SourceArn: !GetAtt RaceFinderSchedule.Arn
  
  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
        - Effect: Allow
          Principal:
            Service:
            - lambda.amazonaws.com
          Action:
          - sts:AssumeRole
      Path: "/"
      Policies:
      - PolicyName: root
        PolicyDocument:
          Version: '2012-10-17'
          Statement:
          - Effect: Allow
            Action:
            - logs:*
            Resource: arn:aws:logs:*:*:*
          - Effect: Allow
            Action:
            - s3:GetObject
            - s3:PutObject
            - s3:PutObjectAcl
            Resource: !GetAtt RaceJsonBucket.Arn

  RaceJsonBucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref JsonOutputBucket
      AccessControl: PublicRead
    DeletionPolicy: Delete
  
  RaceJsonBucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket: !Ref RaceJsonBucket
      PolicyDocument:
        Statement:
        - Sid: PublicReadForGetBucketObjects
          Effect: Allow
          Principal: '*'
          Action: s3:GetObject
          Resource: !Sub arn:aws:s3:::${RaceJsonBucket}/*


Outputs:
  LambdaFunction:
    Value: !Ref RaceFinderFunction