alexcasalboni

AWSTemplateFormatVersion: 2010-09-09 
Transform: AWS::Serverless-2016-10-31

Resources:
  MyProcessingFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python2.7
      # ... 

alexcasalboni

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

Resources:
  DeliveryBucket:
    Type: AWS::S3::Bucket

  StreamProcessFunction:
    Type: AWS::Serverless::Function
    Properties:

alexcasalboni

import json
from base64 import b64decode, b64encode

# some useful constants
STATUS_OK = 'Ok'
STATUS_DROPPED = 'Dropped'
STATUS_FAIL = 'ProcessingFailed'

class DroppedRecordException(Exception):
    """ This exception can be raised if a record needs to be skipped/dropped """

alexcasalboni

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Resources:
  MyFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: index.handler
      # ... 
      # all the other properties here
      # ... 

alexcasalboni

const aws = require('aws-sdk');
const config = new aws.ConfigService();

/**
 * Get the configurationItem for the resource using the getResourceConfigHistory API.
 */ 
async function getConfigurationFromHistory(configurationHistory, callback) {
    const params = { 
        resourceType: configurationHistory.resourceType,
        resourceId: configurationHistory.resourceId,

alexcasalboni

const aws = require('aws-sdk');
const utility = require('./utility');
const config = new aws.ConfigService();

/**
 * In this example, the resource is compliant if it is an instance and its type matches the type specified as the desired type.
 * If the resource is not an instance, then this resource is not applicable.
 */ 
function evaluateChangeNotificationCompliance(configurationItem, ruleParameters) {
    if (configurationItem.resourceType !== 'AWS::EC2::Instance') {

alexcasalboni

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Resources:
  MyFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: index.handler
      # ... 
      # all the other properties here
      # ... 

alexcasalboni

exports.handler = (event, context, callback) => {
    if(event.userPoolId === "theSpecialUserPool") {
        // check event type
        if(event.triggerSource === "CustomMessage_SignUp") {
            // customize message and subject content
            event.response.smsMessage = "Welcome to the service. Your confirmation code is " + event.request.codeParameter;
            event.response.emailSubject = "Welcome to the service";
            event.response.emailMessage = "Thank you for signing up. " + event.request.codeParameter + " is your verification code";
        }
    }

alexcasalboni

How to Build and Deploy Serverless Apps [AWS Summit]

This demo was presented at the AWS Summit @ Cape Town on Jul 12th.

You can find the slides here.

What's included in this Gist?

• index.js: The node.js code used for AWS Lambda
• sam_template.yaml: The AWS SAM template in YAML format (i.e. CloudFormation)

alexcasalboni

How to use Python3 Type Hints in AWS Lambda

TL;DR

Static Type Checkers help you find simple (but subtle) bugs in your Python code. Check out lambda_types.py and incrementally improve your code base and development/debugging experience with type hints.

Your Lambda Function code will go from this: