[jboss-as7-dev] Feature requests from bof

[Scott Stark]

A couple of feature requests from the as7 bof likely require a notion of 
the domain topology to be accessible via the management api. Two 
requests that stick out are:

1. The knowledge of the "cluster" members in a non-autodiscovery 
environment (such as most cloud providers). The request was a little 
more specific in that there was a desire to have a cluster aware service 
such as infinispan to magically have its membership configuration 
handled by the domain when one would typically have to setup a gossip 
server, S3_PING or some other non-UDP discovery service. As we discussed 
in the bof, there really is no "cluster" notion, but we should expect 
that a one or more server-groups would be setup to represent the 
services one wants to be clustered, and so, requesting the members of a 
server-group from the domain api could be used to build a discovery service.

2. Having stable jndi names across the domain. In a potentially 
multi-tier domain, or even a domain that includes singleton or at least 
hetergenous service setup, you would like to be able to refer to service 
factories via logical jndi names that map to the domain topology. We 
could accomplish this by having a jndi ContextFactory binding under 
something like "domain:" that would allow for lookups like:
     a. "domain:/clusterServerGroup/RemoteConnectionFactory", lookup of 
a connection factory that is bound across all nodes in the "cluster" 
server-group.
     b. "domain:/batchServer/batchGatewayEjb", lookup of the 
batchGatewayEjb remote interface on the batchServer server instance.

Another natural api for accessing the domain model would be a jndi 
DirContext implementation that would provide effectively the same 
information as the cli using the same namespace.

I can create proper feature requests for these once they are vetted as 
useful. I assume this will have to be a 7.1 feature.