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From Adrian Lewis <adr...@alsiconsulting.co.uk>
Subject RE: [PROPOSAL] DHCP/DNS offload and config drive support for adv zone shared network
Date Fri, 20 Mar 2015 13:20:21 GMT
Can't see the wiki at the moment as it's down for maintenance but on a
slightly different but related note, would it be feasible to use DHCP relay
functionality in dnsmasq on a VR and still get the IP address assigned by an
external DHCP server registered into the ACS MS? Not quite sure if under
normal circumstances ACS picks up the IP from dnsmasq or if ACS manages the
pool and sends dnsmasq static leases. If it's picking up what dnsmasq
decides to lease out, what is this mechanism and does/would it also work for
DHCP relay?

This doesn’t solve the issue of a DHCP server on the same network however
and would still require a VR on the network with upstream connectivity to
the DHCP server.

I'm definitely definitely up for the concept of simple networks with no VR
if we can provision some of the essentials without one. Big +1


-----Original Message-----
From: Nux! [mailto:nux@li.nux.ro]
Sent: 20 March 2015 09:34
To: dev@cloudstack.apache.org
Subject: Re: [PROPOSAL] DHCP/DNS offload and config drive support for adv
zone shared network

+1, good idea

One thing though:  let's make the config drive available for all types of
zones, many people use the basic or adsg zones.

Lucian

--
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

----- Original Message -----
> From: "Jayapal Reddy Uradi" <jayapalreddy.uradi@citrix.com>
> To: dev@cloudstack.apache.org
> Sent: Friday, 20 March, 2015 09:12:19
> Subject: [PROPOSAL]  DHCP/DNS offload and config drive support for adv
> zone shared network

> In advanced zone shared network if someone wants to use DHCP server
> outside the cloudstack, currently it can be done by not selecting the
> DHCP service But the problem here is that the VM actual ip is
> different from what cloudstack showing.
>
> If there are no services selected for the network offering there is no
> need of the VR.
> In the absense of VR there should be way to provide password,
> userdata/metadata, ssh keys to user vm.
>
> With this feature we can do the following.
> 1. Create network without VR.
> 2. Retrive the IP from the VM and update it in the cloudstack DB.
> 3. Add config drive support for the VMs in this network.
>
> Please provide your comments for the below FS.
>
> ACS ticket: https://issues.apache.org/jira/browse/CLOUDSTACK-8324
> FS:
> https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=53740
> 797
>
>
> Thanks,
> Jayapal

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