Renaming of environments

[John Meinel]

We can put the environment name in a field that is visible, but isn't
canonical. It depends on the specific use case, but if we can use tags, we
can use "juju-environment-uuid" or some tag like that as the official "what
environment is this in", and then "name" is just a local value, which can
be changed as it isn't a critical piece.

John
=:->


On Fri, Oct 23, 2015 at 9:19 AM, Andrew Wilkins <
andrew.wilkins at canonical.com> wrote:

> On Fri, Oct 23, 2015 at 1:00 PM Menno Smits <menno.smits at canonical.com>
> wrote:
>
>> While working on the environment migrations spec I noticed that it is
>> currently not possible to change the name of a Juju environment once it has
>> been created. This creates an unfortunate corner case in the context of
>> environment migrations, where you might have an environment that can't be
>> migrated to another controller because you've already created another
>> (unrelated) environment with the same name on the target controller.
>>
>> Rick pointed out that it would also be nice to be able to rename an
>> environment when its purpose has changed. For example, you might have
>> created an environment called "test" which you build up and end up using
>> for production purposes. At that point the environment name doesn't make
>> much sense.
>>
>> We will fix this. The rename itself is fairly easy to implement but
>> environment names have also been used as part of things such as EC2 and
>> Openstack security group names so this will need to change too. It would be
>> better if the names of external environment-related resources used the
>> environment UUID instead. There is a card for this work in Onyx's backlog.
>>
>
> It was specifically requested that we include the environment name in
> resource names for debugging purposes (e.g. I'm looking at the AWS console
> and want to know which Juju machine this instance corresponds to). Some of
> this was done in 1.25, some was pre-existing.
>
> These requirements are at odds with each other. Just wondering if this has
> been considered.
>
> Cheers,
> Andrew
>
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