Hi Enrique, 
maybe I couldn't express the concept well.

But let's say that the DI has the catalog of all the existing 
ProcessDefinitions.

To mark a definition as "unavailable"  is kind of logically remove it from the 
Catalog. 


On 2024/07/04 09:59:00 Enrique Gonzalez Martinez wrote:
> Hi walter, this won't give you the data you are aiming for.
> 
> If you have two instances and one goes down the state will be set as not
> available unless you compute something in the data index so at least you
> will need more information or duplicate lines. This is unlikely to be the
> responsibility of the data index.
> 
> El jue, 4 jul 2024, 11:28, Walter Medvedeo <[email protected]> escribió:
> 
> > Hi, the idea is to introduce the requirement/concept first, and summarize
> > the impact on the information registered in the DI as much as possible.
> >
> > And thus, very summarized, the proposal is to include one more filed in
> > the ProcessDefinitions information registered by the DI, that will let us
> > know if a given definition is still "available" to create instances.
> >
> > That is a requirement we have from SonataFlow users.
> >
> >
> > On 2024/07/03 20:50:20 Jason Porter wrote:
> > > I am not exactly sure what the proposal is here. I see a bunch of
> > background info for this new feature, but I don't see an actual proposal.
> > >
> > > On 2024/07/03 15:06:21 Walter Medvedeo wrote:
> > > > Hello Guys,
> > > >
> > > >
> > > > Let me share some requirement we have.
> > > >
> > > >
> > > > Right now, as part of the ProcessDefinition information we store in the
> > > > Data Index, we record  for example the processId and the serviceURL.
> > > >
> > > > That information is good for users to know, for instance, which are the
> > > > existing ProcessDefitnions, and, based on that information, they can
> > for
> > > > example start a new process instance by concatenating the serviceURL +
> > “/”
> > > > + processId.
> > > >
> > > > In the context of a SonataFlow Operator driven setups, users need to
> > know
> > > > if a ProcessDefinition is still “available”.
> > > >
> > > > For example, users can deploy a WF, use it for some time, and then,
> > decide
> > > > to un-deploy it. From this point, no more instances of that workflow
> > can be
> > > > created. The user has just decided to remove that deployment from the
> > > > ecosystem.
> > > >
> > > > However, in the data-index, that definition is still recorded. And
> > users
> > > > want to keep it there, since they want to keep consistent information
> > about
> > > > the already executed instances etc. (The intention is to not introduce
> > any
> > > > information deleting procedure at the DI, etc.)
> > > >
> > > > On the other hand, users need a way to filter which definitions are
> > still
> > > > “available” by using the standard graphql api.
> > > >
> > > > What we are evaluating is to include a “status”  field in the
> > > > ProcessDefinitions, with the values available/unavailable, and, that
> > will
> > > > be updated as usual via ClouldEvents. In the case of SonataFlow, those
> > > > events will be produced by the operator, which governs the
> > > > deployment/undeployment, etc. Other setups might just ignore that
> > field.
> > > >
> > > > Note:  we are looking for a very minimalist approach that lets us
> > record
> > > > the situation, and facilitate SonataFlow users to query that situation
> > by
> > > > using the standard Graphql api.
> > > >
> > > > This is not any sort of more elaborated clustering
> > > > management/monitoring/etc. solution.
> > > >
> > > > Independently of fine grained details about the event to introduce,
> > which
> > > > carries more or less the information we are already sending in the
> > other DI
> > > > events.
> > > >
> > > > From the point of view of let’s say non SonataFlow setups, do you guys
> > see
> > > > any objections?
> > > >
> > > > Regards,
> > > >
> > > > Walter.
> > > > ResponderReenviar
> > > > Añadir reacción
> > > >
> > >
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