Just to clarify, this means I could assign some nodes to the "logged"
group, and then run "nodegroupconfig logged console.logging=full", while
nodes that aren't a part of this group can be "nodegroupconfig
non-logged console.logging=interactive"?
On 1/30/2014 7:22 AM, Jarrod B Johnson wrote:
So looking for commentary and wanting to demo pretty soon. The
following things I wanted to highlight/get feedback on:
-All node related configuration is not hosted in a global
configuration space like 'site' or 'passwd'. Notably,
'consoleondemand' becomes node by node configuration (though it won't
be called that, more on that below).
-To provide the simplicity that site/passwd provided, every single
node is considered a member of the 'everything' group unless some
action is made to undo that (explicitly deleting the group or
explicitly removing a node from it). I figure this allows the
convention of people using 'all' as a curated list of nodes considered
to be really nodes contrary to the xCAT philosophy of 'everything is a
node' (and the group name matches).
-Providing more granularity in log configuration. I currently am
considering the following values:
full: continuously stay connected and log everything
events: continuously stay connected, log detected events (e.g. kernel
panic) and all data while someone is connected
interactive: connect only when a user wants a session, log all data
during that time
none: connect only when a user wants a session, write no data to log
at all
Technically, this could be broken out to two settings on when to
connect and what to log, but I think it's a bit easier to think of it
in this way and I don't think the options that would open up would be
that useful (connecting all the time, but doing nothing with that
connection unless a user is on, and logging events, but only when
someone is watching).
So putting it together:
tabch key=consoleondemand site.value=1
Becomes:
nodegroupconfig everything console.logging=interactive
Also, I've been tentatively calling it 'confluent' (I like it
suggesting both being fluent in console management and the concept of
the whole word meaning flowing together), but I maybe that wouldn't
fly since so many things like to use that name, many of them in the IT
space that could be confusing. I don't know any software named
'confluent' (but confluence is close). So any thoughts on what I
should ultimately name it would be welcome.
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