template.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Sends log data from S3 to New Relic Logging.
Metadata:
  AWS::ServerlessRepo::Application:
    Name: NewRelic-log-ingestion-s3
    Description: Send log data from a S3 bucket to New Relic Logging.
    Author: New Relic
    SpdxLicenseId: Apache-2.0
    LicenseUrl: LICENSE
    ReadmeUrl: README.md
    Labels: ['newrelic', 'logs', 'logging', 'ingestion', 'lambda', 's3']
    HomePageUrl: https://github.com/newrelic/aws_s3_log_ingestion_lambda
    SemanticVersion: 1.1.5
    SourceCodeUrl: https://github.com/newrelic/aws_s3_log_ingestion_lambda

  AWS::CloudFormation::Interface: 
    ParameterGroups: 
      - 
        Label: 
          default: "Deployment Settings"
        Parameters: 
          - NRLicenseKey
          - FunctionRole          
          - PermissionsBoundary    
          - NRLogType
          - DebugEnabled
      
Parameters:
  NRLicenseKey:
    Type: String
    Description: Your New Relic license key. Required to send logs to New Relic Logging.
    Default: "YOUR_LICENSE_KEY"
  NRLogType:
    Type: String
    Description: Your New Relic logtype. You may omit it when deploying the function.
    Default: ""
  DebugEnabled:
    Type: String
    Description: A boolean to determine if you want to output debug messages in the CloudWatch console
    Default: "false"
  AdditionalAttributes:
    Type: String
    Description: "(Optional) A string containing json object(string,string). These attributes will be added to New Relic payload."
    Default: ""
  S3CloudTrailLogPattern:
    Type: String
    Description: "(Optional) Regex pattern to check if the file is from CloudTrail"
    Default: ""
  S3IgnorePattern:
    Type: String
    Description: "(Optional) Regex pattern to ignore files"
    Default: ""
  BatchSizeFactor:
    Type: String
    Description: "(Optional) Indicates the expected compression factor of your logs. Used to check if logs could be sent to the API (that is limited to 1Mb of compressed data)"
    Default: ""
  FunctionRole:
    Type: String
    Description: |
      (Optional) The ARN of an IAM role to use as this function's execution role. Should provide the AWSLambdaBasicExecutionRole policy. 
      If not specified, an appropriate Role will be created, which will require CAPABILITY_IAM to be acknowledged.
    Default: ""
  PermissionsBoundary:
    Type: String
    Description: |
     (Optional) The ARN of a permissions boundary to use for this function's execution role. This property works only if the role is generated for you. 
    Default: ""

Conditions:
  NoRole: !Equals ['', !Ref FunctionRole]
  NoCap: !Not [ !Equals ['', !Ref FunctionRole] ]
  HasPermissionBoundary: !Not [ !Equals ['', !Ref PermissionsBoundary] ]

Resources:
  NewRelicLogIngestion:
    Type: 'AWS::Serverless::Function'
    Condition: NoCap    
    Properties:
      Runtime: python3.8
      CodeUri: src/
      Handler: handler.lambda_handler
      FunctionName: NewRelic-s3-log-ingestion
      Timeout: 900
      MemorySize: 256
      Environment:
        Variables:
          LICENSE_KEY: !Ref NRLicenseKey
          LOG_TYPE: !Ref NRLogType
          DEBUG_ENABLED: !Ref DebugEnabled
          S3_CLOUD_TRAIL_LOG_PATTERN: !Ref S3CloudTrailLogPattern
          S3_IGNORE_PATTERN: !Ref S3IgnorePattern
          BATCH_SIZE_FACTOR: !Ref BatchSizeFactor
          ADDITIONAL_ATTRIBUTES: !Ref AdditionalAttributes
      PermissionsBoundary: !If [ HasPermissionBoundary, !Ref PermissionsBoundary, !Ref AWS::NoValue ]
      Role: !Ref FunctionRole         
      Policies:
        - Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Action:
                - 's3:GetObject'
              Resource: 'arn:aws:s3:::*'
      Events:
        BucketEvent1:
          Type: S3
          Properties:
            Bucket:
              Ref: SourceLogBucket
            Events:
              - 's3:ObjectCreated:*'

  NewRelicLogIngestionFunction:
    Type: 'AWS::Serverless::Function'
    Condition: NoRole    
    Properties:
      Runtime: python3.8
      CodeUri: src/
      Handler: handler.lambda_handler
      FunctionName: NewRelic-s3-log-ingestion
      Timeout: 900
      MemorySize: 256
      Environment:
        Variables:
          LICENSE_KEY: !Ref NRLicenseKey
          LOG_TYPE: !Ref NRLogType
          DEBUG_ENABLED: !Ref DebugEnabled
          S3_CLOUD_TRAIL_LOG_PATTERN: !Ref S3CloudTrailLogPattern
          S3_IGNORE_PATTERN: !Ref S3IgnorePattern
          BATCH_SIZE_FACTOR: !Ref BatchSizeFactor
          ADDITIONAL_ATTRIBUTES: !Ref AdditionalAttributes
      PermissionsBoundary: !If [ HasPermissionBoundary, !Ref PermissionsBoundary, !Ref AWS::NoValue ]          
      Policies:
        - Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Action:
                - 's3:GetObject'
              Resource: 'arn:aws:s3:::*'
      Events:
        BucketEvent1:
          Type: S3
          Properties:
            Bucket:
              Ref: SourceLogBucket
            Events:
              - 's3:ObjectCreated:*'

  SourceLogBucket:
    Type: 'AWS::S3::Bucket'