Neal Magee nmagee

Systems, Architecture, Cloud, Development, Data Engineering

nmagee / simple-sns-publish.py

Created November 12, 2020 16:57

A demo of publishing an SNS message. Update with the ARN of your own SNS Topic.

nmagee / index.html

Last active November 11, 2021 21:22

PA Submission form for S3+CloudFront

	<!DOCTYPE html>
	<html>
	<head>
	<title>CS4740 - CloudFront+SNS+Lambda+SNS+Dynamo Application</title>
	<script src="https://sdk.amazonaws.com/js/aws-sdk-2.780.0.min.js"></script>
	<link href="https://getbootstrap.com/docs/4.5/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
	</head>
	<body>
	<script type="text/javascript">

nmagee / describe-instances.py

Created October 1, 2020 17:09

Python3 snippet to iterate out InstanceIds in EC2.

	import boto3

	ec2 = boto3.client('ec2')

	response = ec2.describe_instances()

	for r in response['Reservations']:
	for i in r['Instances']:
	print(i['InstanceId'])

nmagee / apache2-remote-bootstrap

Created September 24, 2020 14:58

Fetches a remote shell script to execute for bootstrapping

	#!/bin/bash

	curl -O https://gist.githubusercontent.com/nmagee/5636d0355d48998f91502dd811a7401c/raw/6833433672715308fff57f86792d1246ba5fe677/apache2-bootstrap.sh
	/bin/bash apache2-bootstrap.sh

nmagee / apache2-bootstrap.sh

Created September 24, 2020 14:53

Bootstraps Amazon Linux 2 with apache2 daemon

	#!/bin/bash

	yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
	yum update -y
	yum install -y httpd
	systemctl start httpd
	systemctl enable httpd

nmagee / presign-s3.py

Last active September 15, 2020 19:28

Presign a URL in S3 using boto3

	#!/usr/local/bin/python3

	# To use this snippet:
	# Create a bucket and upload a private file into it beforehand.
	# To make the private file shareable for a fixed number of seconds
	# you can "presign" the URL, which creates an expiring hashed URL.
	# You can then distribute that URL to other systems or coleagues.

	import boto3

nmagee / bootstrap.sh

Created August 21, 2020 15:13

Bootstraps an Amazon Linux EC2 instance with some basic tools

	#!/bin/bash

	/usr/bin/yum update -y
	/bin/amazon-linux-extras install -y epel
	/usr/bin/yum install -y git python3 python3-dev python3-pip nfs-utils
	/bin/pip3 install boto3 pandas requests

nmagee / create-amis.py

Last active December 12, 2019 17:55

Lambda function for creating AMIs of your entire EC2 region.

	# Written for AWS Lambda, for the Python 3.6 runtime.

	import json
	import boto3
	import datetime

	## Be sure to set account number on line 57.
	## Set DRY RUN value - for testing or running.
	dryrun = False

nmagee / assume-role.py

Created March 1, 2019 14:44

Get temporary AWS Credentials for external users by assuming a defined IAM Role

	#!/usr/local/bin/python

	import boto3
	import json

	# The calls to AWS STS AssumeRole must be signed with the access key ID
	# and secret access key of an existing IAM user or by using existing temporary
	# credentials such as those from antoher role.
	# Python SDK documentation:
	# http://boto3.readthedocs.io/en/latest/reference/services/sts.html#client

nmagee / evaluate-compliance.py

Last active October 31, 2018 19:28

Lambda function for Config service. Watches an EC2 security group for changes and evaluates.

	import json
	import boto3
	from datetime import datetime

	# Use as a starter/stub -- can and should be modified for production
	FORMAT = '%Y%m%d-%H:%M:%S'
	now = datetime.now().strftime(FORMAT)

	def lambda_handler(event, context):
	invoking_event = json.loads(event['invokingEvent'])

	#!/usr/bin/env python3

	import json
	import boto3
	import datetime

	sns = boto3.client('sns')

	response = sns.publish(
	TopicArn="arn:aws:sns:us-east-1:555566667777:simple-topic",