Use an annotation to provide a route cookie

[pecameron]

Route annotation:
router.openshift.io/router.cookie.name
can be used to set a cookie name for the route.

The cookie must pass regex filter "^[a-zA-Z0-9_-][a-zA-Z0-9_-]*"

https://trello.com/c/dZpU26W9
(3) Allow routes to set the cookie names for session stickiness

origin PR 16454
openshift/origin#16454

[pecameron]

@knobunc @bfallonf PTAL

[bfallonf]

@pecameron Thanks! If this is a new feature, would it require a more thorough write-up on how and why to use it? Or does this work with something that's already existing? I can see the corresponding card on the docs board, so I can add this to that for now.

[pecameron]

On 09/21/2017 01:43 AM, Brice Fallon-Freeman wrote: @pecameron <https://github.com/pecameron> Thanks! If this is a new feature, would it require a more thorough write-up on how and why to use it? Or does this work with something that's already existing? I can see the corresponding card on the docs board, so I can add this to that for now.

A discussion might be helpful. By default, as a security precaution, we generate an obscured name for the cookie. This permits the user to override the name when a specific name is needed by the app. The card, https://trello.com/c/dZpU26W9, and referenced bug lay out the use case. The environment variable is there if the router admin wishes to set a default cookie name for all cookies (overridden by the annotation in routes). phil

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[bfallonf]

Thanks @pecameron . I'll merge this, then add the explanation to the docs card for the next sprint.