serverless.yml

service: serverless-slackbot

custom:
  # debugging output
  debug: '*'


  services:
    # The dynamodb table to store OAuth access data
    table_name: slackbot-brain

    # sns dispatch topic name
    topic_name: dispatcher


  nav:
    # The path used to post Slack events to
    event_path: callback

    # The path used to install the Slack App
    install_path: install

    # The path to redirect to after an install
    install_redirect: https://slack.com


  slack:
    # Verification token
    verification_token: "xxxxxxxxxxxxxxx"
    
    # Space delimited scopes
    client_scopes: "bot commands"
    
    # Client ID - quotes required
    client_id: "xxxxxxxxxxxxxxxxxx"
    
    # Client Secret - quotes required
    client_secret: "xxxxxxxxxxxxxxxxxx"


provider:
  name: aws
  runtime: nodejs4.3
  profile: serverless
  versionFunctions: false
  iamRoleStatements:    
    - Effect: Allow
      Resource: "*"
      Action:
        - dynamodb:DescribeTable
        - dynamodb:Query
        - dynamodb:Scan
        - dynamodb:GetItem
        - dynamodb:PutItem
        - dynamodb:UpdateItem
        - dynamodb:DeleteItem
        - sns:*
        
functions:
  callbacks:
    handler: src/index.handler
    environment:
      DEBUG: ${self:custom.debug}
      TABLE_NAME: ${self:custom.services.table_name}
      TOPIC_NAME: ${self:custom.services.topic_name}
      CLIENT_ID: ${self:custom.slack.client_id}
      CLIENT_SECRET: ${self:custom.slack.client_secret}
      CLIENT_SCOPES: ${self:custom.slack.client_scopes}
      INSTALL_REDIRECT: ${self:custom.nav.install_redirect}
      VERIFICATION_TOKEN: ${self:custom.slack.verification_token}
    events:
      - sns: ${self:custom.services.topic_name}
      - http:
          path: ${self:custom.nav.event_path}
          method: post
          integration: lambda
          response:
            template: $input.path('$')
      - http:
          path: ${self:custom.nav.install_path}
          method: get
          integration: lambda
          request:
            parameters:
              querystrings:
                code: true
                state: true
          response:
            statusCodes:
              201:
                pattern: ''
              301:
                pattern: http.*
                headers:
                  Location: integration.response.body.errorMessage
                  Cache-Control: "'no-cache, no-store, must-revalidate'"

resources:
  Resources:
    dynamodb:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          -
            AttributeName: team_id
            AttributeType: S
        KeySchema:
          -
            AttributeName: team_id
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:custom.services.table_name}