Thursday, October 28, 2021

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AWS Lambda Layer example in python

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Lambda Layers was one of the most exciting news out of AWS re:Invent 2018 for me. Using layers it is now possible to move runtime dependencies out of your function code by placing them in...

AWS Lambda Layer for Python package requests

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In my previous post, I made a layer for pymysql to access an RDS from Lambda. In this post, I will show how to make a layer for the Python package requests. This will...

Pass db credentials to Lambda using Parameter Store

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If you are connecting to a RDS server from Lambda using native authentication method then you have to store user and password somewhere in the code or pass it as an environment variable to...

Set Retention for CloudWatch Logs

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Amazon provides us with CloudWatch logs to monitor, store and access log from various AWS services like, EC2 instances, Route 53, RDS, AWS CloudTrail, AWS VPC Flow Logs, Lambda and many others. By default CloudWatch...
S3 with default SSE

Create S3 Bucket using Terraform

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Updated on 3rd Sep 2021. Tested build with Terraform version 1.0.6 Background In an earlier post, I provided some information on using AWS Encryption SDK and in that post, I created a KMS key using the...

Setting DynamoDB TTL with Lambda Python

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Background I use a lot of EC2 Spot instances and for audit/debugging purposes I like to keep track of EC2 instance state changes. I had a need to be able to quickly see when an...

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Query AWS CloudTrail Logs Using CLI

Background AWS CloudTrail is an AWS service that helps you enable governance, compliance, and operational and risk auditing of your AWS account. Actions taken by...

How to detect change in AWS Security Group and take action

Security Groups are virtual firewalls that control the traffic to your AWS resources like EC2 and RDS. Your instances must have at least one...

AWS Launch Templates

Launch Templates is a new capability from AWS that allows one to launch servers for an Auto Scale group, Spot Fleet and the regular...