[Openstack] Questions from a newbie

Silvia Fichera fichera.sil at gmail.com
Tue Mar 17 10:26:42 UTC 2015


1- I'm asking what happens if I move my laptop from my office network to
another one (e.g. if I need to use the dashboard also from home).
2- Have you got a code flow to better understand the information publishing
process? And how it will be managed in the future?

I started my internship just one week ago, they told my that the purpose is
add a feature that will consider also the network link status togheter with
the host status. So I think that the scheduler should interact also with
the network module, but by now I'm still lost in understanding the
architecture and the OpenSTack scenario.

I think I will join the meeting when I have time, on which day is it?

Thank you again

2015-03-17 5:30 GMT+01:00 Dugger, Donald D <donald.d.dugger at intel.com>:

>  Silvia-
>
>
>
> 1)      Not totally sure what you’re asking.  When `devstack’ completes
> there should be an instance of Horizon running on that machine.  You can
> then connect to that Horizon from any other machine on that network,
> assuming your host has a routable IP address (using 127.0.0.1 as the
> HOST_IP would make Horizon only available from that machine).  Note, by
> default Horizon listens on port 9000 so make sure you are trying to connect
> to 10.1.115.126:9000
>
> 2)      Yes, currently the host information is stored in the DB but there
> is a lot of work going on in that area.  We hope to move to an object model
> where the compute nodes will be sending state information directly to the
> scheduler in the Kilo release.
>
>
>
> I’d be curious to know what it is about the scheduler that you are
> planning on working on.  I should also point out that we have a weekly IRC
> meeting to discuss scheduler issues at 1500 UTC at #openstack-meeting (the
> meeting is titled Gantt which is the name of the new scheduler project we
> are creating), you’re welcome to join if that time zone works for you.
>
>
>
> --
>
> Don Dugger
>
> "Censeo Toto nos in Kansa esse decisse." - D. Gale
>
> Ph: 303/443-3786
>
>
>
> *From:* Silvia Fichera [mailto:fichera.sil at gmail.com]
> *Sent:* Thursday, March 12, 2015 3:15 AM
> *To:* openstack at lists.openstack.org
> *Subject:* [Openstack] Questions from a newbie
>
>
>
> Hi,
>
> I'm completely new in OpenStack's Universe and I need to understand a lot
> of things!
>
> Bust let's start with a couple of questions.
>
> 1. I have installed OpenStack using DevStack in a physical machine (I have
> already an Ubuntu system). At the end of the installation there was written
> the address where I can open Horizon (e.g. 10.1.115.126). What happens if I
> connect my laptop from another network? Does it remain the same? Or should
> I do a specific configuration?
>
> 2. I will work with nova in particular, especially in the scheduling part.
> I would like to know where the scheduler take the information about the
> state of the host to assign it after the filter & weight.
>
> I think that those parameters about the status of the host are memorised
> in the database, but it's only my hypotheses, I haven't read anything about
> it.
>
> And if it's so, how are collected those information? By who?
>
> Sorry if I did some silly question, but I would like to well understand
> the basis.
>
> Let me also know if exist a good guide that explains how to start with
> OpenStack from zero!
>
> Thank you
>
> --
>
> Silvia Fichera
>



-- 
Silvia Fichera
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