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add RFC952 label validation

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markturansky
2014-10-23 16:14:13 -04:00
parent 15008e1390
commit e2365b1f96
4 changed files with 91 additions and 4 deletions
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docs/labels.md
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@@ -18,7 +18,9 @@ Label selectors may also be used to associate policies with sets of objects.
We also [plan](https://github.com/GoogleCloudPlatform/kubernetes/issues/560) to make labels available inside pods and [lifecycle hooks](container-environment.md).
[Namespacing of label keys](https://github.com/GoogleCloudPlatform/kubernetes/issues/1491) and [character/syntax restrictions](https://github.com/GoogleCloudPlatform/kubernetes/issues/1297) are under discussion.
[Namespacing of label keys](https://github.com/GoogleCloudPlatform/kubernetes/issues/1491) is under discussion.
Valid labels follow a slightly modified RFC952 format: 24 characters or less, all lowercase, begins with alpha, dashes (-) are allowed, and ends with alphanumeric.
## Motivation