iclxl / kubelabs

Kubernetes - Beginners | Intermediate | Advanced

An Ultimate Kubernetes Hands-on Labs

Pre-requisite:

• Introductory Slides
• Deep Dive into Kubernetes Architecture

Preparing 5-Node Kubernetes Cluster

PWK:

• Preparing 5-Node Kubernetes Cluster on Play with Kubernetes Platform
• Setting up WeaveScope For Visualization on PWK

GKE

• Setting up GKE Cluster
• Setting up Weavescope for Visualization on GKE

Docker Desktop for Mac

• Setting up Kubernetes Cluster on AWS using Kops running on Docker Desktop for Mac

Using Kubectl

• Kubectl for Docker Beginners
• Accessing Kubernetes API

Pods101

• Introductory Slides
• Deploying Your First Nginx Pod
• Viewing Your Pod
• Where is your Pod running on?
• Pod Output in JSON
• Executing Commands against Pod
• Terminating a Pod
• Adding a 2nd container to a Pod

ReplicaSet101

• Introductory Slides
• Creating Your First ReplicaSet - 4 Pods serving Nginx
• Removing a Pod from ReplicaSet
• Scaling & Autoscaling a ReplicaSet
• Best Practices
• Deleting ReplicaSets

Deployment101

• Introductory Slides
• Creating Your First Deployment
• Checking the list of application deployment
• Scale up/down application deployment
• Scaling the service to 2 Replicas
• Perform rolling updates to application deployment
• Rollback updates to application deployment
• Cleaning Up

Scheduler101

• Introductory Slides
• How Kubernetes Selects the Right node?
• Node Affinity
• Anti-Node Affinity
• Nodes taints and tolerations

Services101

• Introductory Slides
• Deploy a Kubernetes Service?
• Service Exposing More Than One Port
• Kubernetes Service Without Pods?
• Service Discovery
• Connectivity Methods
• Headless Service In Kubernetes?

StatefulSets101

• Introductory Slides
• The difference between a Statefulset and a Deployment
• Deploying a Stateful Application Using Kubernetes Statefulset?
• Deploying NFS Server
• Deploying PV
• Deploying PVC
• Using Volume
• Recreate Pod

DaemonSet101

• Introductory Slides
• Why DaemonSets in Kubernetes?
• Creating your first DeamonSet Deployment
• Restrict DaemonSets To Run On Specific Nodes
• How To Reach a DaemonSet Pod

Jobs101

• Introductory Slides
• Creating Your First Kubernetes Job
• Multiple Parallel Jobs (Work Queue)
• Kubernetes Job Failure and Concurrency Considerations

Ingres101

• Introductory Slides
• What is Kubernetes ingress?
  • NodePort
  • Load Balancer
  • Ingress Controllers and Ingress Resources

Secrets101

• Introductory Slides
• What is a Service in Kubernetes?
• Specifying Pods in a Service
• Using Services for External Workloads
• Service Types
• Service Discovery
• Multi-Cluster Services with Cluster Federation

RBAC101

• Introductory Slides
• Role-Based Access Control (RBAC) Overview
• Creating a Kubernetes User Account Using X509 Client Certificate
• Note For Local And Self-Hosted Clusters Users
• Authorization Using Kubernetes Roles
• Cluster-Wide Authorization Using ClusterRoles

Service Catalog101

• Introductory Slides
• What is Kubernetes Service Catalog?
• The Kubernetes Service
  • Catalog Resources
  • Catalog components
• Creating a sample Service Catalog
• Installing Service Catalog Helm Repo
  • Installing Service Catalog Helm Chart
  • Installing Service Catalog Helm Chart
  • Installing minibroker
• Viewing the classes and plans for the Service Broker
• Using the Service Broker services
  • Using the Service Broker services
  • Creating the ServiceBinding
  • Using the Service Catalog Service
• Cleaning up

Cluster Networking101

• Introductory Slides
• What Is Cluster Networking In Kubernetes Sense?
• Kubernetes Networking Rules
• What Is An Overlay Network?
• What is a Container Network Interface (CNI)?
  • Cilium
  • Weave Net from WeaveWorks
  • Flannel

Network Policies101

• Introductory Slides
• What is a Kubernetes Network Policy?
• Creating Your First NetworkPolicy Definition
• How can we fine-tune Network Policy using selectors?
• Deny Ingress Traffic That Has No Rules
• Deny Egress Traffic That Has No Rules
• Allow All Ingress Traffic Exclusively
• Allow All Egress Traffic Exclusively

Autoscaling101

• Introductory Slides
• Kubernetes Autoscaling Building Blocks
  • Horizontal Pod Autoscaler (HPA)
  • Vertical Pods Autoscaler
  • Cluster Autoscaler
• How Kubernetes Autoscalers Interact Together

Monitoring101

• Introductory Slides
• Core Monitoring Pipeline
• Services Monitoring Pipeline
• What should you consider in Kubernetes Services Pipeline?
• What about Metrics Visualization?
• Changes To Watch For
  • Heapster is Going Away
  • Metrics Server Will Get More Cool Features

Contributors

• Ajeet Singh Raina
• Sangam Biradar
• Rachit Mehrotra
• Saiyam Pathak

Next: Kubernetes201