Open Stack

Hi all,

At the summit last week, we developed a plan for moving forward with
modernising Horizon's UI using AngularJS. If you weren't at that meeting
and are interested in helping out with this effort please let me know!

The relevant etherpad from the meeting:
https://etherpad.openstack.org/p/kilo-horizon-contributors-meetup

TL;DR: piece by piece we will replace Django views in Horizon with angular
views, and we're going to start with Identity

First up, I'd like to ask the UX folk who raised their hands in that
meeting to indicate which of the Identity panes we should start with. I
believe a wizard was mentioned, as a way to exercise the new wizard code
from Maxime.

At the same time, I'm looking at updating the AngularJS recommendations in
the wiki. I believe other aspects of the current approach to angular code
should also be revisited, if we're to scale up to the full angular
front-end envisaged. I'd appreciate if those interested in this aspect in
particular could contact me so we can sort this out as a team!

I'd like to start the design work for the new REST API layer we'll be
exposing to the angular application code, but that is also part of the
broader discussion about the structure of the angular code in the Horizon
application as mentioned above. Should it be a new blueprint/spec?

There were some discussions around tooling. We're using xstatic to manage
3rd party components, but there's a lot missing from that environment. I
hesitate to add supporting xstatic components on to the already large pile
of work we have to do, so would recommend we switch to managing those
components with bower instead. For reference the list of 3rd party
components I used in angboard* (which is really only a teensy fraction of
the total application we'd end up with, so this components list is probably
reduced):

    json3
    es5-shim
    angular
    angular-route
    angular-cookies
    angular-animate
    angular-sanitize
    angular-smart-table
    angular-local-storage
    angular-bootstrap
    angular-translate
    font-awesome
    boot
    underscore
    ng-websocket

Just looking at PyPI, it looks like only a few of those are in xstatic, and
those are out of date.

grunt provides a lot of features for developing an angular interface. In
particular LiveReload accelerates development significantly. There's a
django-livereload but it uses tiny-lr under the hood, so we're still using
a node application for LiveReload support... so it might make sense to just
use grunt. grunt provides many other features as well (wiredep integration
with bower, build facilities with ngMin, test monitoring and reload etc).

There seemed to be agreement to move to jasmine (from qunit) for writing
the tests. It's not noted in the etherpad, but I recall karma was accepted
as a given for the test runner. For those not in the meeting, angboard uses
mocha+chai for test writing, but I agreed that jasmine is acceptable, and
is already used by Storyboard (see below).

Also, phantomjs so we don't have to fire up a browser for exercising (what
should hopefully be an extensive) unit test suite.

The Storyboard project has successfully integrated these tools into the
OpenStack CI environment.


     Richard

* https://github.com/r1chardj0n3s/angboard
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