[openstack-dev] [devstack] noVNC disabled by default?
Marty Falatic (mfalatic)
mfalatic at cisco.com
Tue Feb 3 19:53:00 UTC 2015
I¹ve opened a bug to track this effort for DevStack (and to help point
others in the right direction when they stumble upon this):
https://bugs.launchpad.net/devstack/+bug/1417735
- Marty
On 1/12/15, 10:02 AM, "Ben Nemec" <openstack at nemebean.com> wrote:
>On 01/09/2015 05:24 PM, Sean Dague wrote:
>> On 01/09/2015 06:12 PM, Solly Ross wrote:
>>> Hi,
>>>
>>> I just noticed that noVNC was disabled by default in devstack (the
>>>relevant
>>> change was
>>>
>>> https://review.openstack.org/#/c/140860/).
>>>
>>>
>>>
>>> Now, if I understand correctly (based on the short commit message),
>>>the
>>> rationale is that we don't want devstack to reply on non-OpenStack Git
>>>
>>> repos, so that devstack doesn't fail when some external Git hosting
>>>
>>> service (e.g. GitHub) goes down.
>>
>> Realistically the policy is more about the fact that we should be using
>> released (and commonly available) versions of dependent software.
>> Ideally from packages, but definitely not from git trees. We don't want
>> to be testing everyone else's bleeding edge, there are lots of edges and
>> pointy parts in OpenStack as it is.
>>
>>>
>>>
>>> This is all fine and dandy (and a decent idea, IMO), but this leaves
>>>devstack
>>> installing a "broken" installation of Horizon by default -- Horizon
>>>still
>>> attempts to show the noVNC console when you go to the "console" tab
>>>for an
>>> instance, which is a bit confusing, initially. Now, it wasn't
>>>particularly
>>> hard to track not particularly hard to track down *why* this happened
>>>(hmm...
>>> my stackrc seems to be missing "n-novnc" in ENABLED_SERVICES.
>>>Go-go-gadget
>>> `git blame`), but it strikes me as a bit inconsistent and
>>>inconvenient.
>>>
>>>
>>> Personally, I would like to see noVNC back as a default service, since
>>>it
>>> can be useful when trying to see what your VM is actually doing during
>>>
>>> boot, or if you're having network issues. Is there anything I can do
>>>
>>> as a noVNC maintainer to help?
>>>
>>>
>>>
>>> We (the noVNC team) do publish releases, and I've been trying to make
>>>
>>> sure that they happen in a more timely fashion. In the past, it was
>>>necessary
>>> to use Git master to ensure that you got the latest version (there was
>>>a
>>> 2-year gap between 0.4 and 0.5!), but I'm trying to change that.
>>>Currently,
>>> it would appear that most of the distros are still using the old
>>>version (0.4),
>>> but versions 0.5 and 0.5.1 are up on GitHub as release tarballs (0.5
>>>being a 3
>>> months old and 0.5.1 having been tagged a couple weeks ago). I will
>>>attempt to
>>> work with distro maintainers to get the packages updated. However, in
>>>the mean
>>> time, is there a place would be acceptable to place the releases so
>>>that devstack
>>> can install them?
>>
>> If you rewrite the noNVC installation in devstack to work from a release
>> URL that includes the released version on it, I think that would be
>> sufficient to turn it back on. Again, ideally this should be in distros,
>
>FWIW, I looked into installing novnc from distro packages quite a while
>ago and ran into problems because the dependencies were wonky. Like,
>novnc would pull in Nova which then overwrote a bunch of the devstack
>Nova stuff. I don't know if that's still an issue, but that's the main
>reason I never pushed ahead with removing the git install of novnc (that
>was during the release drought, so those weren't an option at the time
>either).
>
>> but I think we could work on doing release installs until then,
>> especially if the install process is crisp.
>>
>> I am looking at the upstream release tarball right now though, and don't
>> see and INSTALL instructions in it. So lets see what the devstack patch
>> would look like to do the install.
>>
>> -Sean
>>
>
>
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