Openshift Windows Demo for Drop 5 https://www.youtube.com/watch?v=aWDRUtp-API

1. OpenShift Windows Drop 5 Demo
Glenn West
Sept 1, 2019

2. Red Hat
● New Implementation based on Operator Concepts
● More Kubernetes Native Implemenation - Uses Kubernetes Node
object to trigger the installation and joining of Windows Nodes to
clusters.
● Uses RHCOS Ignition to drive the installation. All components are
ignition files, that control the installation and setup of windows
nodes
● Uses kubeovn networking.
● Latest Kubernetes – matching version on Linux Nodes
Overview – Drop 5
OpenShift 4.2 and Windows
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● ESXI 6.x
● Bare Metal Install – Using PXE Boot
● Web Server supplies ignition files and RHCOS Images
● Uses nighlty build
● Windows Image is Windows Server 2019 with Containers (Note
image is very specific, and not all “2019” images will work.)
● Windows Server must be prepared to support Windows Remote
Management
Demo Environment
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● Everything is implemented as Containers, using golang and static
builds, to give rapid installation and deployment.
● Uses worker.ign which is used to add additional Linux nodes to add
windows node.
● Uses kubelet.conf to
Environment – What is supplied to
operators
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● Configured for:
○ 2 Workers (RHCOS)
○ 3 Masters (RHCOS)
Openshift 4.2 Configuration
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● Network must be set to:
○ OVNKubernetes
OVN Network
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Create the test cluster
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Cluster created
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Clone the install script
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Run the Install Of the Operators
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Operator Install Complete
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Setup the winoperator
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Rsh to winoperator cli
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● global.User - Windows Users – defaults to: Administrator
● global.Password – Must set otherwise default to Secret2018
● global.workerign – Base64 encoded – Mandatory
○ cat ~/worker.ign | base64 | tr -d 'n’
● global.kubeconfigdata – Mandatory – Base64 encoded
○ cat ~/.kube/config | base64 | tr -d 'n’
Set required items
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Create Node Object
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● Tell OpenShift the node is there:
Kick off the install/setup
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WinMachineMan – Creates Folder
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Installs WindowsNodeManager
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And starts the install
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Downloads Template and All Component
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Prereq Commands are run
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Docker component Installed
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Pause Container Component
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Node Added via ignition, sdn and cni
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Ovn installed, and kubernetes
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Joined
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● Windows 2019 Server Core
● NodeJS
Demo Windows Container
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Dockerfile
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Run the deploy2019.sh
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Starting Up
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Loooking at the pod:
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Assigned to our windows node, and ---
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The Windows Image Downloading ---
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After a long time ….
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Container is complete and running
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