Open Stack

Just for reference, the spec is this one:
https://review.openstack.org/#/c/133828/

That's a good point, I think it's important to have this distinction
of a new node being discovered and a registered node being
introspected/interrogated. So I'm +1 for the idea.

On Wed, Nov 12, 2014 at 9:47 PM, Victor Lowther
<victor.lowther at gmail.com> wrote:
> Hmmm... with this thread in mind, anyone think that changing DISCOVERING to
> INTROSPECTING in the new state machine spec is a good idea?
>
> On Mon, Nov 3, 2014 at 4:29 AM, Ganapathy, Sandhya
> <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]
>> 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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