Hung up post 2.0 upgrade? juju-unregister to the rescue!

[Charles Butler]

+1'd

Good looking out Adam. That's a great place to xref in the help text!

On Mon, Aug 8, 2016 at 7:55 AM Adam Collard <adam.collard at canonical.com>
wrote:

> Adding heat to https://bugs.launchpad.net/juju-core/+bug/1607303 welcomed.
>
> On Mon, 8 Aug 2016 at 13:50 Charles Butler <charles.butler at canonical.com>
> wrote:
>
>> Greetings!
>>
>> I was in #juju riffing with some juju users, and it became apparent that
>> there is a not-so-well-known feature of juju in the 2.0+ series.
>>
>> As 2.0 is not marked as stable, every new release is treated like an
>> island. Sometimes it may be compatible with what you have deployed (eg
>> beta-12 to beta-13) and won't require a re-bootstrap, everything will
>> *appear* to just work. Sometimes the risk and failure is much more apparent
>> than this, such as the beta-13 to beta-14 update.
>>
>> Traditionally you would terminate the instances via your cloud provider
>> and be left with some configuration left around in your $JUJU_DATA
>> directory. Less than ideal right?
>>
>> juju unregister to the rescue!
>>
>> Details:
>> Removes local connection information for the specified controller.
>> This command does not destroy the controller.  In order to regain
>> access to an unregistered controller, it will need to be added
>> again using the juju register command.
>>
>> I thought I would share this great discovery with others that are being
>> intrepid and helping us test 2.0
>>
>> All the best,
>>
>> Charles
>> --
>> Juju Charmer
>> Canonical Group Ltd.
>> Ubuntu - Linux for human beings | www.ubuntu.com
>> Juju - The fastest way to model your service | www.jujucharms.com
>>
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> --
Juju Charmer
Canonical Group Ltd.
Ubuntu - Linux for human beings | www.ubuntu.com
Juju - The fastest way to model your service | www.jujucharms.com
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