AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: docrepo-loaders

Parameters:
  ESdomain:
    Type: String
    Default: 'YOUR-ES-ENDPOINT.us-east-1.es.amazonaws.com'

Resources:
  # EventBridge rules 
  EventRuleESloader: 
    Type: AWS::Events::Rule
    Properties: 
      Description: "docrepo-loader"
      State: "ENABLED"
      EventPattern: 
        source: 
          - "docRepo.analyzers"
      Targets: 
        - Arn: 
            Fn::GetAtt: 
              - "LoadToESFunction"
              - "Arn"
          Id: "LoadToES"            

  # EventBridge permissions to invoke Lambda functions
  PermissionForEventsToInvokeLambda1: 
    Type: AWS::Lambda::Permission
    Properties: 
      FunctionName: 
        Ref: "LoadToESFunction"
      Action: "lambda:InvokeFunction"
      Principal: "events.amazonaws.com"
      SourceArn: 
        Fn::GetAtt: 
          - "EventRuleESloader"
          - "Arn"

  # Lambda functions
  LoadToESFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: loadToES/
      Handler: app.handler
      Runtime: nodejs12.x
      Timeout: 5
      MemorySize: 128
      Environment:
        Variables:
          domain: !Ref ESdomain