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OKD Engineering

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You will design an OKD High Avaibility Cluster, then build and test it. You will use this cluster to examine more advanced topics in the administration and operation of a robust OKD cluster in the remainder of the course.

Content Summary

  • Learn OKD cluster features, architecture, and sizing.
  • Investigate OKD cluster installation methods.
  • Configure storage providers and storage classes.
  • OKD GitOps & CI/CD
  • Scale OKD clusters.
  • Manage OKD resources.

Kurikulum Kursus

  • Modul 1

    Introduction

    • Containerization
    • Container Orchestration
    • Standardization through Containerization
    • OKD Overview
    • OKD Features
    • OKD Life Cycle
    • Architecture Components
    • OKD Machine Roles
    • OKD Operators
  • Modul 2

    Provisioning OKD Cluster

    • Available Platforms
    • Installation Overview
    • The Installation Process of Both Types of OKD Clusters
    • The Installation Process Details
    • Machines Requirements
    • Network Requirements
    • Minimum Resource Requirements
    • About FCOS
    • About Ignition
    • Firewall
    • Network Topology Requirements
    • DNS Requirements
    • Lab 2.1 - Install OKD Cluster - Setup DNS Server
    • Lab 2.2 - Install OKD Cluster - Setup DHCP Server
    • Lab 2.3 - Install OKD Cluster - Install TFTP Server
    • Lab 2.4 - Install OKD Cluster - Setup Matchbox
    • Lab 2.5 - Install OKD Cluster - Configure NTP Server
    • Lab 2.6 - Install OKD Cluster - Configure HAProxy and Rsyslog
    • Lab 2.7 - Install OKD Cluster - Provisioning OKD Cluster
  • Modul 3

    Allocate Persistent Storage

    • Ephemeral Storage
    • Types of Ephemeral Storage
    • Persistent Storage Overview
    • Lifecycle of a Volume and Claim
    • Types of PVs
    • Access Modes
    • Volume Phase and Mount Options
    • Lab 3.1 - Setup NFS Server
    • Lab 3.2 - Setup Persistent Storage
    • Lab 3.3 - Setup Image Registry Persistent Storage
  • Modul 4

    Securing Access to OKD Resources

    • Users and Groups
    • Authenticating API Requests
    • The Authentication Operator
    • Identity Providers
    • Role-based Access Control (RBAC)
    • Default Roles
    • User Types
    • Secrets Overview
    • Features and Types of Secrets
    • Use Cases for Secrets
    • Security Context Constraints (SCCs)
    • Lab 4.1 - Configuring HTPasswd Identity Providers
    • Lab 4.2 - Create Users from the Secret
    • Lab 4.3 - Update User Password from the Secret
    • Lab 4.4 - Delete User from the Secret
    • Lab 4.5 - Defining and Applying Permissions using RBAC
    • Lab 4.6 - Managing Sensitive Information With Secrets
    • Lab 4.7 - Controlling Application Permissions with Security Context Constraints (SCC)
    • Quiz 4.1 Create User
  • Modul 5

    Explore OKD Networking Concepts

    • Introducing OpenShift Software-Defined Networking
    • Networking Model
    • Using Services for Accessing Pods
    • Defining Service Types
    • Discussing the DNS Operator and DNS Records for Services
    • The Cluster Network Operator
    • Network Modes
    • Comparing and Contrasting Network Modes
    • Multus Container Network Interface (CNI)
    • Accessing Application from External Networks
    • Methods for Managing Ingress Traffic
    • Route Options and Route Types
    • Insecure Routes
    • Securing Applications with Edge Routes
    • Securing Applications with Pass-through Routes
    • Lab 5.1 - Create a Route to Access the Frontend service
    • Lab 5.2 - Create a Secure Edge Route
  • Modul 6

    Scaling Cluster and Applications

    • Introducing the Machine API
    • Manually Scaling Worker Nodes
    • Automatically Scaling a Cluster
    • Implementing Automatic Scaling
    • Specifying Pod Replicas in Configuration Workloads
    • Manually Scaling the Number of Pod Replicas
    • Autoscaling Pods
    • Lab 6.1 - Manual Scaling the Loadtest Application
    • Lab 6.2 - Horizontal Pod Autoscaler
  • Modul 7

    Pod Scheduling

    • Introducing the Scheduler Algorithm
    • Scheduling and Topology
    • Labeling Nodes and MachineSets
    • Controlling Pod Placement
    • Configuring a Node Selector for a Project
    • Scaling the Number of Pod Replicas
    • Resource Requests and Limits for Pods
    • Applying Quotas
    • Applying Limit Ranges
    • Applying Quotas to Multiple Projects
    • Lab 7.1 - Labeling Nodes
    • Lab 7.2 - Limiting Resource Usage
  • Modul 8

    Managing Images and Registry

    • Managing Image Overview
    • Image Tags
    • Image Tag Conventions
    • Using Image Streams
    • Adding Tags to Image Streams
    • Image Pull Policy
    • Using Image Pull Secrets
    • The Source-to-Image (S2I)
    • The Benefits of Source-to-Image (S2I)
    • How Source-to-Image Works
    • The Source-to-Image (S2I) Process
    • Lab 8.1 - Review the Images
    • Lab 8.2 - Managing Image Registry - Accessing to Image registry
    • Lab 8.3 - Managing Image Registry - Build an Image
    • Lab 8.4 - Managing Image Registry - Push Images to the Registry
    • Lab 8.5 - Create the Deployment using Image from the Registry
    • Lab 8.6 - Building an Application with The Source-to-Image (S2I)
    • Lab 8.7 - Manage images with The Source-to-Image (S2I)
    • Quiz 8.1 Build an application with S2I tool
  • Modul 9

    Managing a Cluster with the Web Console

    • Describing the Web Console
    • Accessing the OKD Web Console
    • Finding Resources
    • Creating Users and Groups
    • Creating a Project
    • Exploring Workload Resources
    • Managing Workloads
    • Deploying Applications
    • Installing and Using Operators
    • Viewing Cluster Metrics
    • Viewing Project Metrics
    • Viewing Resource Metrics
    • Performing Prometheus Queries in the Web Console
    • Lab 9.1 - Add a Tester User Entry to the Localusers Secret via Web Console
    • Lab 9.2 - Create and Configure a New Project Named console-apps via Web Console
  • Modul 10

    Build Applications

    • Applications Overview
    • Creating Sample Applications
    • Creating Applications using the CLI
    • Modifying Applications
    • Helm Charts
    • Deployment and DeploymentConfig
    • Replication Controllers
    • Replica Sets
    • DeploymentConfig Objects
    • DeploymentConfig Object-Specific Features
    • Deployment-Specific Features
    • Choosing a Deployment Strategy
    • Route-Based Deployment Strategies
    • Lab 10.1 Creating Sample applications
    • Lab 11.2 Importing a codebase from Git to create an application
    • Lab 10.3 Build and deploy a WordPress app
  • Modul 11

    Manage and Monitor OKD Resources

    • The Monitoring Stack
    • Default Monitoring Components
    • Default Monitoring Targets
    • Understanding Metrics
    • Alerts and AlertManager
    • Prometheus
    • Describing Prometheus Query Language
    • Introducing Grafana
    • Lab 11.1 - Review detail of the Monitoring Resources
    • Lab 11.2 - Monitoring Cluster Resouces
    • Lab 11.3 - Alerting and Metrics
    • Lab 11.4 - Grafana and Prometheus
  • Modul 12

    GitOps

    • About GitOps
    • ArgoCD basics
    • Lab 12.1 - Setup ArgoCD from OKD Operators
    • Lab 12.2 - Implementing GitOps using ArgoCD
  • Modul 13

    Continuous Integration and Deployment (CI/CD)

    • About CI/CD
    • OKD CI/CD Overview
    • Jenkins Overview
    • Lab 13.1 - Setup Jenkins in OKD
    • Lab 13.2 - Implementing CI/CD using Jenkins
  • Modul 14

    Maintain an OKD cluster

    • Maintain an OKD Cluster
    • Lab 14.1 - Add New Compute
  • Modul 15

    HA Simulation

    • High Availability Cluster
    • Lab 15.1 - High Availability Simulation

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OKDENG-2022-INTERNAL
8 Juli 2022 - 31 Des. 2022

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OKDENG