Open Stack

On 11/12/2014 10:47 PM, Victor Lowther wrote:
> Hmmm... with this thread in mind, anyone think that changing DISCOVERING
> to INTROSPECTING in the new state machine spec is a good idea?
As before I'm uncertain. Discovery is a troublesome term, but too many 
people use and recognize it, while IMO introspecting is much less 
common. So count me as -0 on this.

>
> On Mon, Nov 3, 2014 at 4:29 AM, Ganapathy, Sandhya
> <sandhya.ganapathy at hp.com <mailto:sandhya.ganapathy at hp.com>> wrote:
>
>     Hi all,
>
>     Following the mail thread on disambiguating the term 'discovery' -
>
>     In the lines of what Devananda had stated, Hardware Introspection
>     also means retrieving and storing hardware details of the node whose
>     credentials and IP Address are known to the system. (Correct me if I
>     am wrong).
>
>     I am currently in the process of extracting hardware details (cpu,
>     memory etc..) of n no. of nodes belonging to a Chassis whose
>     credentials are already known to ironic. Does this process fall in
>     the category of hardware introspection?
>
>     Thanks,
>     Sandhya.
>
>     -----Original Message-----
>     From: Devananda van der Veen [mailto:devananda.vdv at gmail.com
>     <mailto:devananda.vdv at gmail.com>]
>     Sent: Tuesday, October 21, 2014 5:41 AM
>     To: OpenStack Development Mailing List
>     Subject: [openstack-dev] [Ironic] disambiguating the term "discovery"
>
>     Hi all,
>
>     I was reminded in the Ironic meeting today that the words "hardware
>     discovery" are overloaded and used in different ways by different
>     people. Since this is something we are going to talk about at the
>     summit (again), I'd like to start the discussion by building
>     consensus in the language that we're going to use.
>
>     So, I'm starting this thread to explain how I use those two words,
>     and some other words that I use to mean something else which is what
>     some people mean when they use those words. I'm not saying my words
>     are the right words -- they're just the words that make sense to my
>     brain right now. If someone else has better words, and those words
>     also make sense (or make more sense) then I'm happy to use those
>     instead.
>
>     So, here are rough definitions for the terms I've been using for the
>     last six months to disambiguate this:
>
>     "hardware discovery"
>     The process or act of identifying hitherto unknown hardware, which
>     is addressable by the management system, in order to later make it
>     available for provisioning and management.
>
>     "hardware introspection"
>     The process or act of gathering information about the properties or
>     capabilities of hardware already known by the management system.
>
>
>     Why is this disambiguation important? At the last midcycle, we
>     agreed that "hardware discovery" is out of scope for Ironic --
>     finding new, unmanaged nodes and enrolling them with Ironic is best
>     left to other services or processes, at least for the forseeable future.
>
>     However, "introspection" is definitely within scope for Ironic. Even
>     though we couldn't agree on the details during Juno, we are going to
>     revisit this at the Kilo summit. This is an important feature for
>     many of our current users, and multiple proof of concept
>     implementations of this have been done by different parties over the
>     last year.
>
>     It may be entirely possible that no one else in our developer
>     community is using the term "introspection" in the way that I've
>     defined it above -- if so, that's fine, I can stop calling that
>     "introspection", but I don't know a better word for the thing that
>     is find-unknown-hardware.
>
>     Suggestions welcome,
>     Devananda
>
>
>     P.S.
>
>     For what it's worth, googling for "hardware discovery" yields
>     several results related to identifying unknown network-connected
>     devices and adding them to inventory systems, which is the way that
>     I'm using the term right now, so I don't feel completely off in
>     continuing to say "discovery" when I mean "find unknown network
>     devices and add them to Ironic".
>
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