Support recovery for anonymous roll outs

[brendandburns]

@jlowdermilk @bgrant0607 @smarterclayton @deads2k @ghodss

Builds off of #7279 please only review the 2nd commit.

[bgrant0607]

What is this PR trying to fix/change?

[brendandburns]

Right now, if you cancel a ---image based rollout with a ctrl-c you can't restart it, since it will attempt to re-create the "next" controller and fail in that attempt.

If you use an "anonymous" roll out (that is one for which the second controller is automatically generated with a hashed name) it may not recover correctly, because it doesn't know the name of the previous "next" controller, so we add an annotation to the "old" controller to make the "next" controller discoverable.

Thanks

[j3ffml]

Looks good. Will take second look after #7279 is merged.

[smarterclayton]

cc @ironcladlou

On Apr 28, 2015, at 1:36 AM, Jeff Lowdermilk notifications@github.com wrote:

Looks good. Will take second look after #7279 is merged.

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[j3ffml]

needs rebase

[brendandburns]

It's rebased and good to go (shippable is a flake, and I'm hitting it again)

[j3ffml]

lgtm