service: watchdog-proxy

plugins:
  - serverless-s3-remover
  - serverless-apigw-binary

custom:
  localConfig: ${file(serverless.local.yml)}
  region: ${self:provider.region}
  stage: ${self:provider.stage}
  prefix: ${self:service}-${self:custom.stage}
  process: ${self:custom.prefix}-processQueueItem
  config: ${self:custom.prefix}-config
  credentials: ${self:custom.prefix}-credentials
  sqs: ${self:custom.prefix}-messages
  contentBucket: ${self:custom.prefix}-content
  remover:
    buckets:
      - ${self:custom.contentBucket}
  apigwBinary:
    types:
      - 'multipart/form-data'
  fnEnv:
      NODE_ENV: ${env:NODE_ENV,"production"}
      DISABLE_AUTH_CACHE: ${env:DISABLE_AUTH_CACHE, "0"}
      ENABLE_DEV_AUTH: ${env:ENABLE_DEV_AUTH,"0"}
      UPSTREAM_SERVICE_URL: ${env:UPSTREAM_SERVICE_URL, self:custom.localConfig.upstreamService.url}
      UPSTREAM_SERVICE_KEY: ${env:UPSTREAM_SERVICE_KEY, self:custom.localConfig.upstreamService.key}
      SERVICE_STAGE: ${self:custom.stage}
      SERVICE_PREFIX: ${self:custom.prefix}
      CONFIG_TABLE: ${self:custom.config}
      CREDENTIALS_TABLE: ${self:custom.credentials}
      QUEUE_NAME: ${self:custom.sqs}
      CONTENT_BUCKET: ${self:custom.contentBucket}
      PROCESS_QUEUE_FUNCTION: ${self:custom.process}

provider:
  name: aws
  runtime: nodejs8.10
  stage: ${self:custom.localConfig.stage, opt:stage, 'dev'}
  region: us-east-1
  memorySize: 128
  iamRoleStatements:
  - Effect: Allow
    Action:
      - dynamodb:GetItem
      - dynamodb:PutItem
      - dynamodb:DeleteItem
      - dynamodb:UpdateItem
      - dynamodb:Query
      - dynamodb:Scan
    Resource:
      - arn:aws:dynamodb:*:*:table/${self:custom.config}
      - arn:aws:dynamodb:*:*:table/${self:custom.credentials}
  - Effect: Allow
    Action:
      - lambda:InvokeFunction
    Resource: arn:aws:lambda:*:*:function:${self:custom.process}
  - Effect: Allow
    Action:
      - sqs:ChangeMessageVisibility
      - sqs:ChangeMessageVisibilityBatch
      - sqs:DeleteMessage
      - sqs:DeleteMessageBatch
      - sqs:GetQueueAttributes
      - sqs:GetQueueUrl
      - sqs:ReceiveMessage
      - sqs:SendMessage
      - sqs:SendMessageBatch
    Resource: arn:aws:sqs:*:*:${self:custom.sqs}
  - Effect: Allow
    Action:
      - s3:GetObject
      - s3:PutObject
      - s3:PutObjectAcl
      - s3:DeleteObject
      - s3:ListBucket
    Resource:
      - arn:aws:s3:::${self:custom.contentBucket}
      - arn:aws:s3:::${self:custom.contentBucket}/*

resources:
  Resources:

    S3BucketContent:
      Type: AWS::S3::Bucket
      Properties:
        BucketName: ${self:custom.contentBucket}
        LifecycleConfiguration:
          Rules:
            - Id: DailyCleanup
              Status: Enabled
              ExpirationInDays: 30

    Messages:
      Type: AWS::SQS::Queue
      Properties:
        QueueName: ${self:custom.sqs}
        MessageRetentionPeriod: 1209600
        VisibilityTimeout: 60
        RedrivePolicy:
          deadLetterTargetArn:
            Fn::GetAtt:
            - MessagesDeadLetterQueue
            - Arn
          maxReceiveCount: 10

    MessagesDeadLetterQueue:
      Type: AWS::SQS::Queue
      Properties:
        QueueName: ${self:custom.sqs}-dead-letter-queue
        MessageRetentionPeriod: 1209600

    Credentials:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: ${self:custom.credentials}
        AttributeDefinitions:
          - AttributeName: id
            AttributeType: S
        KeySchema:
          - AttributeName: id
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 5
          WriteCapacityUnits: 5

    Config:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: ${self:custom.config}
        AttributeDefinitions:
          - AttributeName: key
            AttributeType: S
        KeySchema:
          - AttributeName: key
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 5
          WriteCapacityUnits: 5

package:
  exclude:
    - docs/**
    - helpers/**
    - test/**
    - functions/**/*-test.js

functions:

  accept:
    handler: functions/accept.post
    name: ${self:custom.prefix}-accept
    environment: ${self:custom.fnEnv}
    events:
      - http:
          path: accept
          method: post

  pollQueue:
    timeout: 60
    handler: functions/pollQueue.handler
    name: ${self:custom.prefix}-pollQueue
    environment: ${self:custom.fnEnv}
    events:
      - schedule: rate(1 minute)

  processQueueItem:
    timeout: 60
    handler: functions/processQueueItem.handler
    name: ${self:custom.process}
    environment: ${self:custom.fnEnv}