Deployment & Ops Mgmt

Question 1

Explain Rolling Deployment Type

Answer 1

Creating a new launch config with updated AMI’s. Start terminating old instances so the ASG launches new instances with the new AMI

Question 2

Explain A/B Testing Deployment Type

Answer 2

Use route53 to split traffic between EC2’s with the old and new AMI. Gradually increase traffic weight to new while reducing to old

Question 3

Explain Canary Release Deployment Type

Answer 3

Deploy single instance with new AMI into the ASG. Wait time for testing, start replacing old instances if new instance looks good.

Question 4

Explain Blue-Green Deployment Type

Answer 4

Create a new ALB with new AMI. Use Route53 to switch traffic to new ALB. This allows easy roll backs

Question 5

Explain AWS Config

Answer 5

Allows auditing and evaluating config of AWS resources, create baseline config setting, track variations, and alert if anomalies found. Usefull in an ITIL program.

Question 6

Explain AWS OpsWorks

Answer 6

Managed Chef and Puppet instances