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From Luciano Resende <luckbr1...@gmail.com>
Subject Re: [DISCUSS] Tuscany.js - an assembly model for Node.js micro-services
Date Sat, 24 Oct 2015 14:57:29 GMT
An exciting  +1 for all that has been said on this thread.

And btw, I went ahead and requested a new git repository for this
https://issues.apache.org/jira/browse/INFRA-10659

On Sun, Oct 18, 2015 at 10:25 PM, Jean-Sebastien Delfino <
jsdelfino@gmail.com> wrote:

> Hi all,
>
> It has been a while...
>
> Today I was reflecting on what I've been doing in the last two years,
> mostly micro-services on Node.js, and I'm starting to think that the
> original ideas behind SCA and Tuscany may be useful to me again. So you may
> hear a bit more from me on this list again in the next few weeks...
>
> My new world is very different from the world we initially created Tuscany
> for: Node.js, Javascript everywhere, isomorphic Web apps, simple REST
> 'services', simple middleware and databases, and not much technical
> complexity getting in the way of writing business logic. Many of the issues
> we were trying to address with SCA like multi-language, multi-protocol,
> complexity of the JEE platform and WS stack, weird objects requiring
> injection etc, don't exist anymore in my new world.
>
> That's great as developing Web micro-services has become really easy! So
> easy that I have so many micro-services in my apps now that sometimes it
> gets a bit hard to keep track which service calls which, what's that
> service address, what I need to change when that service moves or gets
> updated, or what's involved when something goes wrong and I need to find
> which service broke.
>
> That's a serious problem, and something that made me think about SCA and
> Tuscany again. Despite all the greatness of Node.js and REST and
> micro-services, I'm probably still missing some kind of assembly model like
> we had with SCA. Something that would model my app as as an assembly of
> micro-services. Something that would allow my services to reference each
> other without having to update environment variables all over the place
> with their addresses. Something that would allow me to understand that a
> service broke because another service that it references is currently down.
> Something that would provide a description of my service call graphs for
> debugging for example. Right now, it's really easy for me to develop
> micro-services and wire them together, but I don't have a good way to model
> that wiring.
>
> Maybe what I'm looking for is a small subset of the original SCA concepts:
> a description of my app as an assembly of services, Javascript friendly,
> simple and lightweight, declarative but programmable, and distributed and
> dynamic as my services need to move around to scale out or when a Cloud
> region goes down. So, I'm going to spend some of my spare time on this,
> evenings and weekends, and try to put together a new variation of Tuscany
> for Node.js. I'd like to figure out if that good old SCA can help me again
> with my little micro-services issues.
>
> I'm thinking about calling that new variation of Tuscany 'Tuscany.js', and
> maybe put it in a new 'js' sub-folder in the Tuscany repo besides the
> existing java and cpp folders.
>
> I'd love to work on it with other folks in the community if they're
> interested! Thoughts?
>
> - Jean-Sebastien
>



-- 
Luciano Resende
http://people.apache.org/~lresende
http://twitter.com/lresende1975
http://lresende.blogspot.com/

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