stable/serverless.yml

service: freq

frameworkVersion: ">=1.1.0 <2.0.0"

plugins:
  - serverless-domain-manager
  - serverless-python-requirements

############################################################################################
# configure out provider and the security guide lines
############################################################################################
provider:
  name: aws
  runtime: python3.6
  region: us-east-2

  #required permissions
  iamRoleStatements:
    - Effect: Allow
      Action:
        - dynamodb:Query
        - dynamodb:Scan
        - dynamodb:GetItem
        - dynamodb:PutItem
        - dynamodb:UpdateItem
        - dynamodb:DeleteItem
      Resource: "arn:aws:dynamodb:${opt:region, self:provider.region}:*:table/*"
    - Effect: Allow
      Action:
        - SNS:*
      Resource: { "Fn::Join" : [":", ["arn:aws:sns:${self:custom.region}",  "*:*" ] ]  }

  memorySize: 128
  timeout: 90
  versionFunctions: false

  logRetentionInDays: 3

  #where to store out data, needs to be manually created!
  deploymentBucket:
    name: lambdas-freq

############################################################################################
#custom configuration settings
############################################################################################
custom:
  stage: ${opt:stage, self:provider.stage}
  region: ${opt:region, self:provider.region}

  snsTopic: "FreqQueue-${self:custom.stage}"
  tradeTable: "FreqTradesTable-${self:custom.stage}"
  strategyTable: "FreqStrategyTable-${self:custom.stage}"

  ###
  # custom domain management
  ###

  customDomain:
    basePath: "${self:custom.stage}"
    domainName: "freq.isaac.international"
    stage: "${self:custom.stage}"
    createRoute53Record: true

  pythonRequirements:
    slim: true
    invalidateCaches: true
    dockerizePip: false
    noDeploy:
      - pytest
      - moto
      - plotly
      - boto3
      - pytest-mock
      - pytest-cov
      - pymongo
package:
    exclude:
        - test/**
        - node_modules/**

############################################################################################
# this section defines all lambda function and triggers
############################################################################################
functions:

  #returns all known strategy names from the server
  #and if they are private or not
  strategies:
    memorySize: 128
    handler: freqtrade/aws/strategy.names
    events:
      - http:
          path: strategies
          method: get
          cors: true

    environment:
      strategyTable: ${self:custom.strategyTable}

  #TODO
  #returns the performance for the given strategy
  performance:
    memorySize: 128
    handler: freqtrade/aws/strategy.performance
    events:
      - http:
          path: strategies/{user}/{name}/performance
          method: get
          cors: true
          request:
            parameter:
              paths:
                user: true
                name: true

    environment:
      strategyTable: ${self:custom.strategyTable}

  #returns the source code of this given strategy
  #unless it's private
  code:
    memorySize: 128
    handler: freqtrade/aws/strategy.code
    events:
      - http:
          path: strategies/{user}/{name}/code
          method: get
          cors: true
          request:
            parameter:
              paths:
                user: true
                name: true
          response:
            headers:
              Content-Type: "'text/plain'"

    environment:
      strategyTable: ${self:custom.strategyTable}

  # loads the details of the specific strategy
  get:
    memorySize: 128
    handler: freqtrade/aws/strategy.get
    events:
      - http:
          path: strategies/{user}/{name}
          method: get
          cors: true
          request:
            parameter:
              paths:
                user: true
                name: true

    environment:
      strategyTable: ${self:custom.strategyTable}

  #submits a new strategy to the system
  submit:
    memorySize: 128
    handler: freqtrade/aws/strategy.submit
    events:
      - http:
          path: submit
          method: post
          cors: true

    environment:
      topic: ${self:custom.snsTopic}
      strategyTable: ${self:custom.strategyTable}

  #TODO
  #backtests the strategy
  backtest:
    memorySize: 256
    handler: freqtrade/aws/backtesting_lambda.run

    events:
      - sns: ${self:custom.snsTopic}
    environment:
      topic: ${self:custom.snsTopic}
      tradeTable: ${self:custom.tradeTable}

  #TODO
  # schedules all registered strategies on a daily base
  daily:
    memorySize: 128
    handler: freqtrade/aws/backtesting_lambda.run

    events:
      - sns: ${self:custom.snsTopic}
    environment:
      topic: ${self:custom.snsTopic}
      strategyTable: ${self:custom.strategyTable}

resources:
  Resources:

    #####################################################################
    # keeps track of all strategfies, associated to their user accounts
    #####################################################################
    FreqStrategyTable:
      Type: 'AWS::DynamoDB::Table'
      DeletionPolicy: Retain

      Properties:
        AttributeDefinitions:
          -
            AttributeName: name
            AttributeType: S
          -
            AttributeName: user
            AttributeType: S


        KeySchema:
            -
                'AttributeName': 'user'
                'KeyType': 'HASH'
            -
                'AttributeName': 'name'
                'KeyType': 'RANGE'

        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:custom.strategyTable}