Kubernetes Bootcamp (CKAD)

1 - KUBERNETES ARCHITECTURE

• Components
• Understand API deprecations
• Containers
• Define, build and modify container images
• Pods
• Master Services
• Node Services
• K8s Services
• YAML Essentials
• Creating a K8s Cluster

2 - KUBECTL COMMANDS

• Kubernetes Resources
• Kubernetes Namespace
• Kubernetes Contexts

3 - PODS

• What is a Pod?
• Create, List, Delete Pods
• How to Access Running Pods
• Kubernetes Resources
• Managing Cloud Resource Consumption
• Multi-Container Pod Design
• Security Contexts
• Init Containers
• Understand multi-container Pod design patterns (e.g. sidecar, init and others)
• Pod Wellness Tracking

4 - NETWORKING

• Packet Forwarding
• ClusterIP and NodePort Services
• Provide and troubleshoot access to applications via services
• Ingress Controllers
• Use Ingress rules to expose applications
• NetworkPolicy resource
• Demonstrate basic understanding of NetworkPolicies
• Network Plugins
• Defining the Service Mesh
• Service mesh configuration examples

5 - REPLICASETS

• Services
• ReplicaSet Function
• Deploying ReplicaSets

6 - DEPLOYMENTS

• Deployment Object
• Updating/Rolling Back Deployments
• Understand Deployments and how to perform rolling updates
• Deployment Strategies
• Use Kubernetes primitives to implement common deployment strategies (e.g. blue/green or canary)
• Scaling ReplicaSets
• Autoscaling

7 - LABELS AND ANNOTATIONS

• Labels
• Annotations
• Node Taints and Tolerations

8 - JOBS

• The K8s Job and CronJob
• Understand Jobs and CronJobs
• Immediate vs. scheduled internal use

9 - APPLICATION CONFIGURATION

• Understanding and defining resource requirements, limits and quotas
• Config Maps
• Create & consume Secrets
• Patching
• Custom Resource Definition
• Discover and use resources that extend Kubernetes (CRD)
• Managing ConfigMaps and Secrets as Volumes

10 - STORAGE

• Static and dynamic persistent volumes via StorageClass
• K8s volume configuration
• Utilize persistent and ephemeral volumes
• Adding persistent storage to containers via persistent volume claims

11 - INTRODUCTION TO HELM

• Helm Introduction
• Charts
• Use the Helm package manager to deploy existing packages

12 - APPLICATION SECURITY

• Understand authentication, authorization and admission control
• Understand ServiceAccounts
• Understand SecurityContexts

13 - APPLICATION OBSERVABILITY AND MAINTENANCE

• Use provided tools to monitor Kubernetes applications
• How to Troubleshoot Kubernetes
• Basic and Advanced Logging Techniques
• Utilize container logs
• Accessing containers with Port-Forward
• Debugging in Kubernetes

14 - HANDS ON LABS:

• Define, build and modify container images
• Deploy Kubernetes using Ansible
• Isolating Resources with Kubernetes Namespaces
• Cluster Access with Kubernetes Context
• Listing Resources with kubectl get
• Examining Resources with kubectl describe
• Create and Configure Basic Pods
• Debugging via kubectl port-forward
• Imperative vs. Declarative Resource Creation
• Performing Commands inside a Pod
• Understanding Labels and Selectors
• Insert an Annotation
• Create and Configure a ReplicaSet
• Writing a Deployment Manifest
• Perform rolling updates and rollbacks with Deployments
• Horizontal Scaling with kubectl scale
• Implement probes and health checks
• Understanding and defining resource requirements, limits and quotas
• Understand Jobs and CronJobs
• Best Practices for Container Customization
• Persistent Configuration with ConfigMaps
• Create and Consume Secrets
• Understand the Init container multi-container Pod design pattern
• Using PersistentVolumeClaims for Storage
• Dynamically Provision PersistentVolumes with NFS
• Deploy a NetworkPolicy
• Provide and troubleshoot access to applications via services
• Use Ingress rules to expose applications
• Understand the Sidecar multi-container Pod design pattern
• Setting up a single tier service mesh
• Tainted Nodes and Tolerations
• Use the Helm package manager to deploy existing packages
• A Completed Project
• Install Jenkins Using Helm and Run a Demo Job
• Custom Resource Definitions (CRDs)
• Patching
• Understanding Security Contexts for Cluster Access Control
• Utilize container logs
• Advanced Logging Techniques
• Troubleshooting
• Calicoctl
• Deploy a Kubernetes Cluster using Kubeadm
• Monitoring Applications in Kubernetes
• Resource-Based Autoscaling
• Create ServiceAccounts for use with the Kubernetes Dashboard
• Saving Your Progress With GitHub
• CKAD Practice Drill
• Alta Kubernetes Course Specific Updates
• Sourcing Secrets from HashiCorp Vault
• Example CKAD Test Questions

All topics required by the CKAD exam, including:

• Deploy applications to a Kubernetes cluster
• Pods, ReplicaSets, Deployments, DaemonSets
• Self-healing and observable applications
• Multi-container Pod Design
• Application configuration via Configmaps, Secrets
• Administrate cluster use for your team
• A systematic understanding of Kubernetes architecture
• Troubleshooting and debugging tools
• Kubernetes networking and services