Re: [Openstack] Physical host identification

2011-07-18 Thread Blake Yeager
The original purpose behind sharing the HostID with a customer was to allow a customer to identify situations where they had two VMs placed on the same host. This knowledge is extremely critical if a customer is trying to setup two VMs in an HA configuration. Because this use case does not requir

Re: [Openstack] Physical host identification

2011-07-16 Thread Jorge Williams
Right so we should really be hashing this with the tenant ID as well. -jOrGe W. On Jul 15, 2011, at 6:16 PM, Chris Behrens wrote: > I think it's sensitive because one could figure out how many hosts a SP has > globally... which a SP might not necessarily want to reveal. > > - Chris > > > On

Re: [Openstack] Physical host identification

2011-07-15 Thread Chris Behrens
I think it's sensitive because one could figure out how many hosts a SP has globally... which a SP might not necessarily want to reveal. - Chris On Jul 15, 2011, at 3:34 PM, karim.allah.ah...@gmail.com wrote: > On Fri, Jul 15, 2011 at 11:31 PM, Chris Behrens > wrote: > Nevermind. Just found

Re: [Openstack] Physical host identification

2011-07-15 Thread karim.allah.ah...@gmail.com
On Fri, Jul 15, 2011 at 11:31 PM, Chris Behrens wrote: > Nevermind. Just found a comment in the API spec that says "hostID" is > unique per account, not globally. Hmmm... > This is weird ! I can't find anything in the code that says so !! hostID is just a hashed version of the 'host' which is

Re: [Openstack] Physical host identification

2011-07-15 Thread Chris Behrens
I see the v1.1 API spec talks about a 'hostId' item returned when you list your instances (section 4.1.1 in the spec). These should be the same thing, IMO. I think you're right, though. I don't believe we have any sort of 'hostId' today, since hosts just become available by attaching to AMQP.

Re: [Openstack] Physical host identification

2011-07-15 Thread Chris Behrens
Nevermind. Just found a comment in the API spec that says "hostID" is unique per account, not globally. Hmmm... On Jul 15, 2011, at 2:27 PM, Chris Behrens wrote: > I see the v1.1 API spec talks about a 'hostId' item returned when you list > your instances (section 4.1.1 in the spec). These

[Openstack] Physical host identification

2011-07-15 Thread Glen Campbell
I understand that we're all familiar with virtualization and its benefits. However, in the Real World, those of us who run clouds often need to work with physical devices. I've proposed a blueprint and spec for a /hosts admin API resource that would return information on physical hosts. However,