Upgrading minimum Go version?

[David Cheney]

Martin: Can you setup a unit test job that uses Go 1.5 ? I will apply
the same process I did for the -race job, to get the build voting,
then reenable the tests that were skipped.

On Fri, Nov 27, 2015 at 12:24 AM, Martin Packman
<martin.packman at canonical.com> wrote:
> On 26/11/2015, Andrew Wilkins <andrew.wilkins at canonical.com> wrote:
>> Hi (mostly Curtis),
>>
>> Is there a plan to bump the minimum Go version? Some of our dependencies do
>> not build with Go 1.2. The LXD provider only builds with Go 1.3 (I think?),
>> and I've got a PR up that updates the azure-sdk-for-go dependency, but it's
>> blocked because the newer doesn't build with Go 1.2.
>
> There are two issues with requiring a newer go version:
>
> * The test suite needs to actually pass reliably with go 1.5
> * How we get a version of juju that doesn't build with go 1.2 into
> trusty needs resolving
>
> With putting the newest juju into older Ubuntu releases, our strategy
> so far has been to SRU back the same source as we put in the current
> release, which we have a special allowance for. We cannot SRU a newer
> go toolchain over the existing working 1.2 version, for hopefully
> obvious reasons. Someone else may have better ideas, but I think that
> leaves us basically three options:
>
> * Stop putting new jujus in older ubuntus
> * Use backports rather than -updates (this is what lxd does I believe)
> * SRU a newer go toolchain to some alternative, juju only location
>
> All of that is pretty big process changes that we can't just go ahead and do.
>
> Test failures have been gradually tackled, we're down to a small-ish
> set of issues causing reliable red results when we run unit tests on
> vivid(1.3) and wily/xenial(1.5).
>
> "TestContainerProvisionerStarted did not start"
> http://reports.vapour.ws/releases/issue/5614b0e7749a5613c5aff2e0
>
> "TestAPI2ResultError fails"
> http://reports.vapour.ws/releases/issue/5640b28f749a562a3f656b39
>
> "unexpected message panic"
> http://reports.vapour.ws/releases/issue/55f34dfd749a561a11823b0b
>
> Seem to be the ones I see most in recent test failures.
>
> Martin
>
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