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I think that's different than what is being asked here. That patch appears
to just add IPv6 interface information if it's available in the metadata.
This thread is about getting cloud-init to connect to an IPv6 address
instead of 169.254.169.254 for pure IPv6 environments.

On Thu, Sep 3, 2015 at 11:41 AM, Joshua Harlow <harlowja at outlook.com> wrote:

> I'm pretty sure this got implemented :)
>
> http://bazaar.launchpad.net/~cloud-init-dev/cloud-init/trunk/revision/1042
> and https://bugs.launchpad.net/cloud-init/+bug/1391695
>
> That's the RHEL support, since cloud-init translates a ubuntu style
> networking style the ubuntu/debian style format should also work.
>
>
> Steve Gordon wrote:
>
>> ----- Original Message -----
>>
>>> From: "Kevin Benton"<blak111 at gmail.com>
>>>
>>> When we discussed this before on the neutron channel, I thought it was
>>> because cloud-init doesn't support IPv6. We had wasted quite a bit of
>>> time
>>> talking about adding support to our metadata service because I was under
>>> the impression that cloud-init already did support IPv6.
>>>
>>> IIRC, the argument against adding IPv6 support to cloud-init was that it
>>> might be incompatible with how AWS chooses to implement IPv6 metadata, so
>>> AWS would require a fork or other incompatible alternative to cloud-init
>>> in
>>> all of their images.
>>>
>>> Is that right?
>>>
>>
>> That's certainly my understanding of the status quo, I was enquiring
>> primarily to check it was still accurate.
>>
>> -Steve
>>
>> On Thu, Sep 3, 2015 at 7:30 AM, Sean M. Collins<sean at coreitpro.com>
>>> wrote:
>>>
>>> It's not a case of cloud-init supporting IPv6 - The Amazon EC2 metadata
>>>> API defines transport level details about the API - and currently only
>>>> defines a well known IPv4 link local address to connect to. No well
>>>> known
>>>> link local IPv6 address has been defined.
>>>>
>>>> I usually recommend config-drive for IPv6 enabled clouds due to this.
>>>> --
>>>> Sent from my Android device with K-9 Mail. Please excuse my brevity.
>>>>
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>>>>
>>>>
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>


-- 
Kevin Benton
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