AZURE KUBERNETES SERVICE

PREREQUISITES

• A foundational understanding of IT infrastructure
• Basic knowledge about Software Development Life Cycle
• Internet with basic infrastructure to work
• Comfortable with Linux commands
• Understanding to work with Kubernetes

 

LEARNING OUTCOMES

• Learn and be comfortable to use Docker
• Learn and be comfortable to use Kubernetes.
• Learn how to deploy a .net Core application in Kubernetes

 

COURSE OUTLINE

• Understanding Docker

o What is Virtualization and Containerization

o What is Containerization?

o Why Containerization?

o Connect from Windows through SSH.

o Install git on windows as well as VM

o Docker Architecture

o Docker Image Internals

o Docker Container Internals

o Docker Lifecycle

o Lab:

 

▪  Lab on Docker image

▪  Lab on Docker Hub

▪  Lab on Docker Container

▪  Creating an image from our custom container

▪  Pushing our image to Docker Hub

 

o Understanding Docker Internals

▪ Namespaces

▪ CGroups

▪ Images

• How is it stored by default?
• Where is it stored?

                               

▪ Containers

• Where is it stored?

▪ COW

 

o Docker Lab Continued

▪ Hands on session on Docker exploring and understanding various

• Docker features
• Docker Internals
• Docker Constraints

 

o Build our own Docker image

▪ Lab:

• Hands on session Create Docker images with various options.

▪ Difference between RUN, EntryPoint and Command

▪ Difference between Add and Copy

▪ Difference between ARGS and ENV

▪ Best Practices in Dockerfile

o Volume

▪ What is Volume and why do we need them.

▪ Different types of Docker volumes

▪ Lab:

▪ Hands on session understanding Docker Volume

• Create Docker web container connected to backend mysql container.
• Crash and restore of mysql container.

 

o Docker Networking

▪ Understanding the Docker Networking

▪ Subnetting, Gateway, Switch, etc.

▪ Understanding the Docker networking

• Hands on session

 

o Difference between default and custom bridge

o Host

o None

 

• AZURE KUBERNATE SERVICE (AKS)

o Introduction to Kubernetes

▪ Difference between Containerization and Orchestration

▪ Difference between Docker and Kubernetes

▪ Scaling Containerization into multiple machines and challenges

▪ Understanding Container Orchestration

▪ Understanding the Need of Kubernetes

▪ Understanding Kubernetes Architecture

• Understanding Kubernetes Control Plain and its Component
• Understanding Kubernetes Nodes and its Component

▪ Understand Kubernetes Concepts

▪ Understand Kubernetes Terminology

▪ Kubernetes Clusters Requirements

▪ Understanding Kubernetes Clusters using kubeadm

▪ Demo: Installing and Configuring Kubernetes Master

▪ Demo: Installing and Configuring Kubernetes Workers

▪ Demo: Install and Configure Workstation using Kubectl

▪ Understanding a concept of Namespace

▪ Demo: Define your first Kubernetes pod

▪ Demo: Working and Deep Dive with Kubernetes pod

▪ Create a Kubernetes cluster in AKS

 

o Replication

▪ Understanding Kubernetes replication controllers

▪ Demo: Define your first replication controllers

▪ Demo: Working with Kubernetes replication controllers

▪ Understanding Kubernetes deployments

▪ Demo: Define your first deployment

• Scale out – scale in deployment
• update and rollback deployment

▪ Demo: Working and Deep Dive with Kubernetes deployment

▪ Understanding Kubernetes Labels

▪ Demo: Define your first Kubernetes Labels

▪ Demo: Working with Kubernetes Labels

 

o Networking

▪ Understanding Kubernetes Services

▪ Demo: Define your first Kubernetes Services

▪ Demo: Working and Deep Dive with Kubernetes Services

• ClusterIP
• NodePort
• Loadbalancer in AKS

 

 

o Scheduling

▪ Manual Scheduling

▪ Taint and Tolerations

▪ Node Selector

▪ Node Affinity

 

o Configuring application

▪ Plain Key

▪ Config Map

▪ Secret

▪ Mount Variable as Volume

 

o Autoscaling

▪ Introduction to Cluster Autoscaler

▪ Create AKS Cluster with Autoscaling enabled using Azure AKS

▪ Introduction to Horizontal Pod Autoscaler

▪ Create Horizontal Pod Autoscaler

 

o Logging and Monitoring

▪ Understand how to Monitor all Cluster Components

▪ Understand how to Monitor Applications

▪ Manage Cluster Components Logs

▪ Manage Application Logs

 

o Networking in Kubernetes

▪ Kubernetes Networking

▪ Understand CNI

▪ Understand Pod Networking Concepts

▪ Configure Manual DNS

▪ Configure and Manage Ingress Rule

▪ Namespace

▪ Load Balancer Service

 

o Setup a jenkins job to

▪ Download code from jenkins

▪ Generate a Docker Image

▪ Create a Docker Container

▪ Run automated test

▪ push the image into DockerHub

▪ Deploy it into a kubernetes environment