[horizon] patternfly?

Ivan Kolodyazhny e0ne at e0ne.info
Thu Aug 6 07:48:39 UTC 2020


Hi,

We can discuss Horizon v next today during our mid-cycle call:
http://lists.openstack.org/pipermail/openstack-discuss/2020-August/016346.html

Regards,
Ivan Kolodyazhny,
http://blog.e0ne.info/


On Sun, Jun 28, 2020 at 5:03 PM Peter Pentchev <roam at ringlet.net> wrote:

> On Wed, Jun 24, 2020 at 02:07:06PM +1200, Adrian Turjak wrote:
> > On 24/06/20 1:05 am, Thomas Goirand wrote:
> > > Anyone dismissing how huge of a problem this is, isn't doing serious
> > > programming, for serious production use. That person would just be
> doing
> > > script kiddy work in the playground. Yes, it works, yes, it's shiny and
> > > all. The upstream code may even be super nice, well written and all.
> But
> > > it's *NOT* serious to put such JS bundling approach in production.
> > And yet people are running huge projects in production like this just
> > fine. So clearly people are finding sane practices around it that give
> > them enough security to feel safe that don't involve packaging each npm
> > requirement as an OS package. How exactly are all the huge powerhouses
> > doing it then when most of the internet's front end is giant js bundles
> > built from npm dependencies? How does gitlab do it for their omnibus?
> > From a cursory glance it did seem like they did use npm, and had a rake
> > job to compile the js. Gitlab most definitely isn't "script kiddy work".
> >
> > I'm mostly a python dev, so I don't deal with npm often. When it comes
> > to python though, other than underlying OS packages for python/pip
> > itself, I use pip for installing my versions (in a venv or container).
> > I've had too many painful cases of weird OS package versions, and I
> > dislike the idea of relying on the OS when there is a perfectly valid
> > and working package management system for my application requirements. I
> > can audit the versions installed against known CVEs, and because I
> > control the requirements, I can ensure I'm never using out of date
> > libraries.
> >
> > Javascript and npm is only different because the sheer number of
> > dependencies. Which is terrifying, don't get me wrong, but you can lock
> > versions, you can audit them against CVEs, you can be warned if they are
> > out of date. How other than by sheer scale is it really worse than pip
> > if you follow some standards and a consistent process?
>
> What Thomas is trying to say, and I think other people in this thread
> also agreed with, is that it's not "only" because of the sheer number of
> dependencies. My personal opinion is that the Javascript ecosystem is
> currently where Perl/CPAN was 25 years ago, Python was between 15 and 20
> years ago, and Ruby was 10-15 years ago: quite popular, attracting many
> people who "just want to write a couple of lines of code to solve this
> simple task", and, as a very logical consequence, full of small
> libraries that various people developed to fix their own itches and just
> released out into the wild without very much thought of long-term
> maintenance. Now, this has several consequences (most of them have been
> pointed out already):
>
> - there are many (not all, but many) developers who do not even try to
>   keep their own libraries backwards-compatible
>
> - there are many (not all, but many) developers who, once they have
>   written a piece of code that uses three libraries from other people,
>   do not really bother to follow the development of those libraries and
>   try to make their own piece of code compatible with their new versions
>   (this holds even more if there are not three, but fifteen libraries
>   from other people; it can be a bit hard to keep up with them all if
>   their authors do not care about API stability)
>
> - there are many libraries that lock the versions of their dependencies,
>   thus bringing back what was once known as "DLL hell", over and over
>   and over again (and yes, this happens in other languages, too)
>
> - there are many, many, *many* libraries that solve the same problems
>   over and over again in subtly different ways, either because their
>   authors were not aware of the other implementations or because said
>   other implementations could not exactly scratch the author's itch and
>   it was easier to write their own instead of spend some more time
>   trying to adapt the other one and propose changes to its author
>   (and, yes, I myself have been guilty of this in C, Perl, and Python
>   projects in the past; NIH is a very, very easy slope to slide down
>   along)
>
> I *think* that, with time, many Javascript developers will realize that
> this situation is unsustainable in the long term, and, one by one, they
> will start doing what C/C++, Perl, Python, and Ruby people have been
> doing for some time now:
>
> - start thinking about backwards compatibility, think really hard before
>   making an incompatible change and, if they really have to, use
>   something like semantic versioning (not necessarily exactly semver,
>   but something similar) to signal the API breakage
>
> - once the authors of the libraries they depend on start doing this,
>   start encoding loose version requirements (not strictly pinned), such
>   as "dep >= 1.2.1, dep < 3". This is already done in many Python
>   packages, and OpenStack's upper-constraints machinery is a wonderful
>   example of how this can be maintained in a conservative manner that
>   virtually guarantees that the end result will work.
>
> - start wondering whether it is really worth it to maintain their own
>   pet implementation instead of extending a more-widely-used one, thus
>   eventually having the community settle on a well-known set of
>   more-or-less comprehensive and very widely tested packages for most
>   tasks. Once this happens, the authors of these widely-used libraries
>   absolutely *have* to keep some degree of backwards compatibility and
>   some kind of reasonable versioning scheme to signal changes.
>
> So, I'm kind of optimistic and I believe that, with time, the Javascript
> ecosystem will become better. Unfortunately, this process has taken many
> years for the other languages I've mentioned, and is not really fully
> complete in any of them: any module repository has its share of
> mostly-maintained reimplementations of various shapes and sizes of the
> wheel. So I guess the point of all this was mostly to explain the
> problem (once again) more than propose any short-term solutions :/
>
> G'luck,
> Peter
>
> --
> Peter Pentchev  roam at ringlet.net roam at debian.org pp at storpool.com
> PGP key:        http://people.FreeBSD.org/~roam/roam.key.asc
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>
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