SAP 12: Deployment & Instance Management

What is Elastic Beanstalk?

Developer centric view of deploying an application on AWS
(we still have full control)

If you see java with tomcat, you should think ___

elastic beanstalk

You need to ‘replatform’ an app, what should you use?

Elastic Beanstalk

What are the three architecture models for elastic beanstalk?

Single instance (for dev)
LB + ASG
ASG only (good for non-web apps)

What is a worker tier for elastic beanstalk?

Have a queue of long running jobs in an ASG
i.e. video processing, generating a zip file, etc

How do you define periodic tasks in elastic beanstalk?

cron.yaml

CodeDeploy can deploy to: (4)

EC2, ASG, ECS & Lambda

How to do a 0 downtime EB deployment?

Blue / Green w/ route53

To do a blue/green deployment with codedeploy, you must be using an ____

ELB

Types of prod codedeploy updates?

in-place
blue / green

Deployment options for codedeploy to AWS Lambda? (2)

traffic shifting
Pre and post traffic hooks

What are pre & post traffic hooks with codeploy to lambda?

validate deployment before traffic shift starts

What is AWS Cloud Map?

Resource discovery service
Creates a map of backend services/resources that your app depends on

What is Systems Manager OpsCenter?

Resolve operational issues related to AWS resources
Aggregates logs, provides automation runbooks, etc

What is Systems manager session manager?

Start a secure shell on EC2
Does not need SSH, bastion, or ssh keys

What are the systems manager patch managers steps?

define patch baseline
Define patch groups
Define maintenance windows
Add AWS-RunPatchBaseline Run Command
Define Rate Control
Monitor Patch Compliance using SSM Inventory

How does systems manager work?

Requires agent installed, sometimes done by default

What is systems manager overview?

Manage your EC2 and on-prem systems
Patching automation for enhanced compliance

What is the AWS CDK?

Cloud Development Kit
Define infrastructure using familiar language, compiled into cloudformation template

What is AWS SAM?

Serverless Application Model
Framework for developing and deploying serverless apps
Use codedeploy to deploy lambda
You can run lambda, gateway, dynamodb locally

All AWS SAM configurations are done in ___

YAML

What is AWS Service Catalog?

Create and manage catalogs of IT services that are approved on AWS
Builds a collection of cloudformation templates

AWS Service Catalog helps with

governance, compliance, and consistency

You have users that want a quick self-service portal to launch a set of authorized products pre-defined by admins in AWS. You should use:

AWS Service Catalog

Cloudformation vs codedeploy vs beanstalk

Cloudformation: Hard, infrastructure as code
CodeDeploy: Medium, app deployment automation
Beanstalk: Easy, app deployment & management (simple apps)

How do you manage what happens to a resource when the cloudformation template is deleted?

DeletionPolicy

What are the options for a cloudformation template resource deletion policies? (3)

Delete (default)
snapshot
retain

You need a custom resource in cloudformation when you… (4)

Resource not yet supported
on-premises resource
emptying an s3 bucket before being deleted
Fetch an AMI id

What are cloudformation stacksets?

Create, update, or delete stacks across multiple accounts & regions with a single operation
(enable automatic deployment)

What is it called when cloudformation resources have been manually changed?

Drift

How can you tell if cloudformation resources have drifted?

CloudFormation Drift
Detect drift on an entire stack or individual resource