Book Image

The DevOps 2.3 Toolkit

By : Viktor Farcic
Book Image

The DevOps 2.3 Toolkit

By: Viktor Farcic

Overview of this book

Building on The DevOps 2.0 Toolkit, The DevOps 2.1 Toolkit: Docker Swarm, and The DevOps 2.2 Toolkit: Self-Sufficient Docker Clusters, Viktor Farcic brings his latest exploration of the DevOps Toolkit as he takes you on a journey to explore the features of Kubernetes. The DevOps 2.3 Toolkit: Kubernetes is a book in the series that helps you build a full DevOps Toolkit. This book in the series looks at Kubernetes, the tool designed to, among other roles, make it easier in the creation and deployment of highly available and fault-tolerant applications at scale, with zero downtime. Within this book, Viktor will cover a wide range of emerging topics, including what exactly Kubernetes is, how to use both first and third-party add-ons for projects, and how to get the skills to be able to call yourself a “Kubernetes ninja.” Work with Viktor and dive into the creation and exploration of Kubernetes with a series of hands-on guides.
Table of Contents (18 chapters)
16
The End
17
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Exploring built-in Secrets

We'll create the same Jenkins objects we defined earlier:

kubectl create \
    -f secret/jenkins-unprotected.yml \
    --record --save-config
    
kubectl rollout status deploy jenkins  

We created an Ingress, a Deployment, and a Service object. We also executed the kubectl rollout status command that will tell us when the deployment is finished.

The secret/jenkins-unprotected.yml definition does not use any new feature so we won't waste time going through the YAML file. Instead, we'll open Jenkins UI in a browser.

open "http://$(minikube ip)/jenkins"  

Upon closer inspection, you'll notice that there is no login button. Jenkins is currently unprotected. The image does allow the option to define an initial administrative username and password. If the files /etc/secrets/jenkins-user and /etc/secrets/jenkins-pass are present...