Cloud Native Application Delivery

Question 1

Popular CI/CD tools

Answer 1

CircleCI
Jenkins
GitLab
Spinnaker
Jenkins X
Tekton CD
ArgoCD

Question 2

GitOps

Answer 2

Storing not only code in the git but also
configuration
network
policies
infrastructure

Question 3

GitOps frameworks using pull-based approach

Answer 3

Flux
ArgoCD

Question 4

Push-based CI/CD

Answer 4

Changes triggered by commit or merge request

Question 5

Pull-based CI/CD

Answer 5

Agent watches the repository and compares state of repository to actual running state. If difference is detected the agent applies the changes to the infrastructure.

Question 6

How is ArgoCD implemented

Answer 6

as an Kubernetes controller

Question 7

Flux is built with

Answer 7

GitOps Toolkit

Question 8

Inner working of Kubernetes is closer to Pull-based or Push-based CI/CD?

Answer 8

Pull-based

Question 9

Why is Kubernetes particularly well suited for GitOps?

Answer 9

Because it provides an API and is designed for declarative provisioning and changes of resources

Question 10

Why Kubernetes inner workings is similar to Pull-based approach?

Answer 10

A database is watched for changes and the changes are applied to the running state if it doesn’t match the desired state.