AWS EC2/ASG: Set instance health as unhealthy using API an call

2 min read

If we are running an application on EC2 using an ASG that it's health check fails to properly notify it's status using an HTTP endpoint, if fixing it is not an option, we can create another custom HTTP endpoint to improve the existing, or if the situation cannot be fixed, we can set the instance heath as unhealthy from within the instance itself (or a lambda if needed)

29/08/2022

Add a github action to generate documentation using mkdocs

3 min read

If you have a tool that uses the python's click module for building a command line interface. Using mkdocs and mkdocs-click we can automatically generate documentation for it

14/06/2022

AWS: How to get the On Demand price of a EC2 instance using Python and Boto3

3 min read

We can use python with Boto3 to retrieve the current On Demand price for a given instance type.

31/05/2022

AWS: How to get the Spot price of EC2 Instances using Python and Boto3

2 min read

Running on spot instances can save us a bunch of money on the cloud. It is based on long-term trends in supply and demand. You'll pay the Spot price that's in effect for the time period your instances are running. We can use boto3 to retrieve the current spot price:

26/05/2022

Deploy a lambda function using terraform

4 min read

To be able to deploy a lambda function there are several pieces that need to be deployed:

• IAM roles: It might need to access to the AWS API, so we need to create an IAM role to control it's privileges
• Triggering: We might want the function to get triggered with some event (that's what we are going to do on this post) or a load balancer
• Code: What we want to execute
• Lambda function itself

05/05/2022