Re: [openstack-dev] [tc] supporting Go

[Rayson Ho]

On Mon, May 9, 2016 at 8:21 PM, Ben Swartzlander 
wrote:
>
>
> If you think Perl is "nice" or "easy" you better get you head checked.
>

Each language has its strength and weakness, so just use the right tool for
the job. In fact the system at the investment bank worked quite well. If we
were to write the whole system in C/C++, there would be a lot more bugs and
a lot more lines of code. Parsing market data does not always need the
fastest code, so Perl served us (and I am sure it will continue to do its
job) very well.

Lastly, I think people that are insulting on mailing lists should get their
head checked first. No? :-)

Rayson

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Re: [openstack-dev] [tc] supporting Go

[Rayson Ho]

On Mon, May 9, 2016 at 4:57 AM, Thomas Goirand  wrote:
>
> Do you know if that's already in use in some distros?

Since the Go toolchain is pretty self-contained, most people just follow
the official instructions to get it installed... by a one-step:

# tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz

(Ref: https://golang.org/doc/install )

IMO, that the beauty of Go (the Go compiler is itself written in Go) -- as
the compiler generates static binaries, deployment is usually done by
copying the binaries to the remote machine.


And looks like Ubuntu 16.04 has official binaries for Go 1.6. Again, I've
never installed Go from apt-get or yum!

https://launchpad.net/ubuntu/xenial/+source/golang-1.6

Rayson

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>
> Cheers,
>
> Thomas
>
>
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Re: [openstack-dev] [tc] supporting Go

[Rayson Ho]

On Sun, May 8, 2016 at 5:16 AM, Thomas Goirand  wrote:
>  I've heard that upstream for
> Golang was working on implementing shared libs, but I have no idea what
> the status is. Does anyone know?


In Go 1.5, the -buildmode option was introduced (eg. -buildmode=shared):

https://golang.org/cmd/go/#hdr-Description_of_build_modes

And the design doc: https://golang.org/s/execmodes

Rayson

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>
>
> Cheers,
>
> Thomas Goirand (zigo)
>
>
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Re: [openstack-dev] [tc] supporting Go

[Rayson Ho]

On Tue, May 3, 2016 at 12:24 PM, John Dickinson <m...@not.mn> wrote:

> That's an interesting point. I'm not very familiar with Golang itself yet,
> and I haven't yet had to manage any Golang projects in prod. These sorts of
> questions are great!
>
>
See: https://golang.org/doc/go1compat



> If a distro is distributing pre-compiled binaries, isn't the compatibility
> issue up to the distros? OpenStack is not distributing binaries (or even
> distro packages!), so while it's an important question, how does it affect
> the question of golang being an ok language in which to write openstack
> source code?
>


I mean a commercial OpenStack distro...

OpenStack does not distribute binaries today (because Python is an
interpreted language), but Go is a compiled language. So may be I should
simplify my question -- in what form should a commercial OpenStack distro
distribute OpenStack components written in Go?

Rayson

==
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>
> --John
>
>
>
>
> On 3 May 2016, at 9:16, Rayson Ho wrote:
>
> > I like Go! However, Go does not offer binary compatibility between point
> > releases. For those who install from source it may not be a big issue,
> but
> > for commercial distributions that pre-package & pre-compile everything,
> > then the compiled Go libs won't be compatible with old/new releases of
> the
> > Go compiler that the user may want to install on their systems.
> >
> > Rayson
> >
> > ==
> > Open Grid Scheduler - The Official Open Source Grid Engine
> > http://gridscheduler.sourceforge.net/
> > http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html
> >
> >
> >
> >
> > On Tue, May 3, 2016 at 11:58 AM, John Dickinson <m...@not.mn> wrote:
> >
> >> TC,
> >>
> >> In reference to
> >> http://lists.openstack.org/pipermail/openstack-dev/2016-May/093680.html
> >> and Thierry's reply, I'm currently drafting a TC resolution to update
> >>
> http://governance.openstack.org/resolutions/20150901-programming-languages.html
> >> to include Go as a supported language in OpenStack projects.
> >>
> >> As a starting point, what would you like to see addressed in the
> document
> >> I'm drafting?
> >>
> >> --John
> >>
> >>
> >>
> >>
> >>
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> >>
> >>
> >
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Re: [openstack-dev] [tc] supporting Go

[Rayson Ho]

I like Go! However, Go does not offer binary compatibility between point
releases. For those who install from source it may not be a big issue, but
for commercial distributions that pre-package & pre-compile everything,
then the compiled Go libs won't be compatible with old/new releases of the
Go compiler that the user may want to install on their systems.

Rayson

==
Open Grid Scheduler - The Official Open Source Grid Engine
http://gridscheduler.sourceforge.net/
http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html




On Tue, May 3, 2016 at 11:58 AM, John Dickinson  wrote:

> TC,
>
> In reference to
> http://lists.openstack.org/pipermail/openstack-dev/2016-May/093680.html
> and Thierry's reply, I'm currently drafting a TC resolution to update
> http://governance.openstack.org/resolutions/20150901-programming-languages.html
> to include Go as a supported language in OpenStack projects.
>
> As a starting point, what would you like to see addressed in the document
> I'm drafting?
>
> --John
>
>
>
>
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>
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Re: [openstack-dev] [Nova] FPGA as a resource

[Rayson Ho]

On Wed, Apr 6, 2016 at 6:37 AM, Daniel P. Berrange 
wrote:
> Most of the
> work to support FPGA will be internal to nova, to deal with modelling
> of assignable devices and their scheduling / allocation.

I think the EPA blueprint already covers some of the FPGA device discovery
& scheduling functionality needed.

https://wiki.openstack.org/wiki/Enhanced-platform-awareness-pcie


However, I was reading the Intel ONP whitepapers earlier, and found that
Intel has dropped coverage of the EPA functionality in 2.1:

 ->
https://download.01.org/packet-processing/ONPS2.1/Intel_ONP_Release_2.1_Reference_Architecture_Guide_Rev1.0.pdf

EPA is mentioned in section "6.3 Enhanced Platform Awareness" in 2.0:

 ->
https://download.01.org/packet-processing/ONPS2.0/Intel_ONP_Release_2.0_Reference_Architecture_Guide_Rev1.0-1.pdf

Rayson

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>
> Regards,
> Daniel
> --
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[openstack-dev] [nova] New resource tracker

[Rayson Ho]

I found that even in the latest git tree, the resource_tracker is still
marked as "deprecated and will be removed in the 14.0.0" in
releasenova/conf/compute.py . With the Mitaka release coming up this week,
is it still true that the code will be removed?

I googled and found this status update sent to the list (
http://lists.openstack.org/pipermail/openstack-dev/2016-February/086371.html
), but I was wondering if the new resource tracker is documented or should
I just refer to the blueprints.

Thanks,
Rayson

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