lambda-duplicate-invocation-handler/serverless.yml at master · murali44/lambda-duplicate-invocation-handler · GitHub

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service: lambda-duplicate-invocation-handler
Description: Identify and handle duplicate lambda invocations.

frameworkVersion: '>=1.64.0 <=1.74.0'

custom:
  stage: ${opt:stage, self:provider.stage}
  stackName: ${self:custom.stage}-${self:service.name}

provider:
  name: aws
  runtime: python3.7
  stage: dev
  region: us-east-1 # N. Virginia
  logRetentionInDays: 7
  stackTags:
    APP: lambda-duplicate-invocation-handler
    STAGE: ${self:custom.stage}

functions:
  ExampleLambda:
    name: ${self:custom.stackName}-ExampleLambda
    description: Example lambda.
    handler: src/lambda.handler
    memorySize: 256
    timeout: 10
    role: ExampleLambdaRole
    events:
    - http:
        path: /
        method: post
    environment:
      EVENTS_TABLE: !Ref EventsTable

package:
  exclude:
    - node_modules/**
    - package.json
    - package-lock.json
    - test/**
    - README.md

resources:
  Resources:
    EventsTable:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: ${self:custom.stackName}-Events
        BillingMode: PAY_PER_REQUEST
        AttributeDefinitions:
          - AttributeName: LambdaName#EventID
            AttributeType: S
        KeySchema:
          - AttributeName: LambdaName#EventID
            KeyType: HASH
        TimeToLiveSpecification:
          AttributeName: 'Expires'
          Enabled: true
    ExampleLambdaRole:
      Properties:
        AssumeRolePolicyDocument:
          Statement:
          - Action: sts:AssumeRole
            Effect: Allow
            Principal:
              Service: lambda.amazonaws.com
          Version: '2012-10-17'
        Path: /
        Policies:
        - PolicyDocument:
            Statement:
            - Action:
              - dynamodb:PutItem
              - dynamodb:GetItem
              Effect: Allow
              Resource:
                - Fn::GetAtt: [EventsTable, Arn]
            - Action:
              - logs:CreateLogStream
              - logs:PutLogEvents
              - logs:CreateLogGroup
              Effect: Allow
              Resource:
                - 'Fn::Join':
                  - ':'
                  -
                    - 'arn:aws:logs'
                    - Ref: 'AWS::Region'
                    - Ref: 'AWS::AccountId'
                    - 'log-group:/aws/lambda/${self:custom.stackName}-ExampleLambda:*'
            Version: '2012-10-17'
          PolicyName: ${self:custom.stackName}-ExampleLambda-GeneratedRoles
        RoleName: ${self:custom.stackName}-ExampleLambda
      Type: AWS::IAM::Role