[jboss-as7-dev] cli

[Kabir Khan]

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>>
>> On master, Kabir introduced a notion of different types of clients
>> (DOMAIN, HOST, STANDALONE) which are implemented by passing an enum to
>> ModelControllerClient.Factory.create(). We need to think through how
>> that relates to this; whether that distinction is required and how to
>> express it in the CLI.
>>
>> The actual core API is the same between DOMAIN, HOST, STANDALONE (i.e.
>> operations expressed in DMR and passed to the managed process and
>> operation results in DMR are passed back); the real difference is just
>> what the expected addresses and operations are. Right now the enum is
>> just used to check that the client is connecting to the expected kind of
>> process. Conceivably we don't need the DOMAIN/HOST/STANDALONE enum and
>> we just count on users knowing what they are doing.
>
> The reason I added that was the host management socket. If the DC is local, both HC and DC requests will come in on the same socket. We need some differentiator to know if a request should go to the HC or the DC.

Well any host management socket should know how to answer host changes, 
domain changes, and server changes; it should be one protocol on one 
socket with the only differentiator being the address in question.

>>>>> I agree the enum isn't the best way of doing it and that the connection is a good way. I still don't see how we will distinguish operations coming from outside, such as the cli, when the node is both the dc and dc. Addresses starting with host->* will be for the hc and currently routed via the proxies. But for less unique things like interface-> which exist in both I say we still need something else (it could be an extra parameter in the operation specifying the level) or some rule that if a hc is running a local dc, all outside connections are for the dc. Or did we ever decide that hc will only accept incoming commands via dc?

For host changes, that host's configuration change is effected 
immediately.  For domain changes, if the node is the DC it can handle it 
locally, else it'd forward on (on the user's behalf, presumably).  For 
server changes, it'd require that the caller has the appropriate 
credentials (some operations, like reads and most runtime-only changes, 
can be carried out by users, while others, like server model changes, 
may only be carried out by the HC).
-- 
- DML
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