Upgrading minimum Go version?

[David Cheney]

As of this morning, the unit tests pass on xenial (thanks to Andrew
for getting them over the hump) using Go 1.5

On Tue, Dec 1, 2015 at 3:21 AM, Curtis Hovey-Canonical
<curtis at canonical.com> wrote:
> On Mon, Nov 30, 2015 at 10:36 AM, John Meinel <john at arbash-meinel.com> wrote:
>> Given how often people still use "--upload-tools" for things like private
>> clouds (and is definitely the one used for local provider), I'd really worry
>> about having a jujud on your local machine that wasn't built with the same
>> toolchain as the one you get from "juju bootstrap" in other cases. Very easy
>> to end up with hard to understand/reproduce bugs.
>
> I share your concerns John.
>
> We have seen several bugs marked invalid because the agent uploads is
> essentially unknown origin because Juju is more than willing to fake a
> version when uploading. There are also reports of Juju attempting to
> build agents from source:
>     https://bugs.launchpad.net/juju-core/+bug/1399606
>
> We do want everyone using the agent in streams, which have a lot more
> testing behind them. The agent (jujud) on users of the Juju stable PPA
> is the same that was used to make streams. This is not true for users
> of Ubuntu's packages, and we know Ubuntu can change its tool chain
> between the time we create official agents and it builds its packages.
> We do testing to certify they Ubuntu clients and agents are
> functionally equivalent to those in the PPA and streams. As Ubuntu
> Wily+ prefers system Go dev packages to the embedded go packages we
> provide, Ubuntu's packages will contain more divergence than Trusty.
> We are obligated to do on-demand testing to certify a change to a
> system Go dev package.
>
> Ideally, We would separate the jujud from juju-core package that
> provides the client. Users don't get a jujud when they install a
> client. Instead, Juju can get the desired agents from streams.
>
> --
> Curtis Hovey
> Canonical Cloud Development and Operations
> http://launchpad.net/~sinzui
>
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