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State in the docs that the value of default Node labels are not reliable. #7794

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Mar 21, 2018
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State in the docs that the value of default Node labels are not reliable. #7794

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5 changes: 5 additions & 0 deletions docs/concepts/configuration/assign-pod-node.md
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Expand Up @@ -77,6 +77,11 @@ with a standard set of labels. As of Kubernetes v1.4 these labels are
* `beta.kubernetes.io/os`
* `beta.kubernetes.io/arch`

**Note:** The value of these labels is cloud provider specific and is not guaranteed to be reliable.
For example, the value of `kubernetes.io/hostname` may be the same as the Node name in some environments
and a different value in other environments.
{: .note}

## Affinity and anti-affinity

`nodeSelector` provides a very simple way to constrain pods to nodes with particular labels. The affinity/anti-affinity
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