# ProLUG Automation

## Unit 13 Worksheet

## Instructions

Fill out this sheet as you progress through the lab and discussions. Hold your worksheets until
the end to turn them in as a final submission packet.

## Discussion Questions:

### Unit 13 Discussion Post 1

Your management has been discussing ways to reduce errors
in your current “wild wild west” environment. Read about configuration management here:
https://en.wikipedia.org/wiki/Configuration_management

1. What overlap of terms and concepts do you see from this week’s meeting?
2. What are some of the standards and guidelines organizations involved with configuration management?
    a. Do you recognize them from other IT activities?

### Unit 13 Discussion Post 2

Review the SRE guide to treating configurations as code. Read
as much as you like, but focus down on the “Practical Advice” section:
https://google.github.io/building-secure-and-reliable-systems/raw/ch14.html#treat_configuration_as_code

1. What are the best practices that you can use in your configuration management adherence?
2. What are the security threats and how can you mitigate them?
    a. Why might it be good to know this as you design a CMDB or CI/CD pipeline?

## Definitions/Terminology

• CMDB
• Configuration Management Best Practices
• Change management
    o Engineering Change Boards (ECBs)
    o Change Advisory Boards (CABs)
    o Change Windows
▪ Downtime Windows

## Notes During Lecture/Class

Ansible Kubernetes core module:
https://docs.ansible.com/projects/ansible/latest/collections/kubernetes/core/k8s_module.html

### Useful tools

## Lab and Assignment

Unit 13 Remediating Drift - https://killercoda.com/het-tanis/course/Automation-Labs/Unit13_Remediating_Drift

## Digging Deeper

1. Read about how AWS, and other cloud vendors detect and remediate drift in systems.
    1. https://docs.aws.amazon.com/systems-manager/latest/userguide/remediating-configuration-drift.html

## Reflection Questions

1. What questions do you still have about this week?
2. How are you going to use what you’ve learned in your current role?