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77 lines
2.6 KiB
Plaintext
77 lines
2.6 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * windows_containers/scheduling-windows-workloads.adoc
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[id="sample-windows-workload-deployment_{context}"]
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= Sample Windows container workload deployment
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You can deploy Windows container workloads to your cluster once you have a Windows compute node available.
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[NOTE]
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====
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This sample deployment is provided for reference only.
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====
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.Example `Service` object
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[source,yaml]
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----
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apiVersion: v1
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kind: Service
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metadata:
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name: win-webserver
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labels:
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app: win-webserver
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spec:
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ports:
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# the port that this service should serve on
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- port: 80
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targetPort: 80
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selector:
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app: win-webserver
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type: LoadBalancer
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----
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.Example `Deployment` object
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[source,yaml]
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----
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: win-webserver
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name: win-webserver
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spec:
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selector:
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matchLabels:
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app: win-webserver
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replicas: 1
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template:
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metadata:
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labels:
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app: win-webserver
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name: win-webserver
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spec:
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containers:
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- name: windowswebserver
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image: mcr.microsoft.com/windows/servercore:ltsc2019 <1>
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imagePullPolicy: IfNotPresent
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command:
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- powershell.exe <2>
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- -command
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- $listener = New-Object System.Net.HttpListener; $listener.Prefixes.Add('http://*:80/'); $listener.Start();Write-Host('Listening at http://*:80/'); while ($listener.IsListening) { $context = $listener.GetContext(); $response = $context.Response; $content='<html><body><H1>Red Hat OpenShift + Windows Container Workloads</H1></body></html>'; $buffer = [System.Text.Encoding]::UTF8.GetBytes($content); $response.ContentLength64 = $buffer.Length; $response.OutputStream.Write($buffer, 0, $buffer.Length); $response.Close(); };
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securityContext:
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runAsNonRoot: false
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windowsOptions:
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runAsUserName: "ContainerAdministrator"
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os:
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name: "windows"
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runtimeClassName: windows2019 <3>
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----
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<1> Specify the container image to use: `mcr.microsoft.com/powershell:<tag>` or `mcr.microsoft.com/windows/servercore:<tag>`. The container image must match the Windows version running on the node.
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* For Windows 2019, use the `ltsc2019` tag.
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* For Windows 2022, use the `ltsc2022` tag.
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<2> Specify the commands to execute on the container.
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* For the `mcr.microsoft.com/powershell:<tag>` container image, you must define the command as `pwsh.exe`.
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* For the `mcr.microsoft.com/windows/servercore:<tag>` container image, you must define the command as `powershell.exe`.
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<3> Specify the runtime class you created for the Windows operating system variant on your cluster.
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