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Promote PodOS field to GA #35590

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k8s-ci-robot merged 3 commits into from
Aug 17, 2022
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Promote PodOS field to GA #35590

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Promote PodOS field to GA
ravisantoshgudimetla Jul 31, 2022
c465853
Update content/en/docs/reference/command-line-tools-reference/feature…
ravisantoshgudimetla Aug 7, 2022
c8bedc8
Update content/en/docs/concepts/windows/user-guide.md
ravisantoshgudimetla Aug 7, 2022
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5 changes: 2 additions & 3 deletions content/en/docs/concepts/windows/intro.md
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Expand Up @@ -88,13 +88,12 @@ section refers to several key workload abstractions and how they map to Windows.
* OS field:

The `.spec.os.name` field should be set to `windows` to indicate that the current Pod uses Windows containers.
The `IdentifyPodOS` feature gate needs to be enabled for this field to be recognized.

{{< note >}}
Starting from 1.24, the `IdentifyPodOS` feature gate is in Beta stage and defaults to be enabled.
Starting from 1.25, the `IdentifyPodOS` feature gate is in GA stage and defaults to be enabled.
{{< /note >}}

If the `IdentifyPodOS` feature gate is enabled and you set the `.spec.os.name` field to `windows`,
If you set the `.spec.os.name` field to `windows`,
you must not set the following fields in the `.spec` of that Pod:

* `spec.hostPID`
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7 changes: 3 additions & 4 deletions content/en/docs/concepts/windows/user-guide.md
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Expand Up @@ -158,14 +158,13 @@ schedule Linux and Windows workloads to their respective OS-specific nodes.
The recommended approach is outlined below,
with one of its main goals being that this approach should not break compatibility for existing Linux workloads.

If the `IdentifyPodOS` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/) is
enabled, you can (and should) set `.spec.os.name` for a Pod to indicate the operating system
Starting from 1.25, please set `.spec.os.name` for a Pod to indicate the operating system
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that the containers in that Pod are designed for. For Pods that run Linux containers, set
`.spec.os.name` to `linux`. For Pods that run Windows containers, set `.spec.os.name`
to Windows.
to `windows`.

{{< note >}}
Starting from 1.24, the `IdentifyPodOS` feature is in Beta stage and defaults to be enabled.
Starting from 1.25, the `IdentifyPodOS` feature is in GA stage and defaults to be enabled.
{{< /note >}}

The scheduler does not use the value of `.spec.os.name` when assigning Pods to nodes. You should
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1 change: 1 addition & 0 deletions content/en/docs/reference/command-line-tools-reference/feature-gates.md
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Expand Up @@ -120,6 +120,7 @@ different Kubernetes components.
| `HPAScaleToZero` | `false` | Alpha | 1.16 | |
| `IdentifyPodOS` | `false` | Alpha | 1.23 | 1.23 |
| `IdentifyPodOS` | `true` | Beta | 1.24 | |
| `IdentifyPodOS` | `true` | GA | 1.25 | |
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| `InTreePluginAWSUnregister` | `false` | Alpha | 1.21 | |
| `InTreePluginAzureDiskUnregister` | `false` | Alpha | 1.21 | |
| `InTreePluginAzureFileUnregister` | `false` | Alpha | 1.21 | |
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