[one-users] hostname and IP address as arguments for 'onetemplate instantiate' command

[knawnd at gmail.com]

Hi!

Thanks a lot for reply and info!

Regards,
Nikolay.

Carlos Martín Sánchez wrote on 18/10/12 17:13:
> Hi,
>
> You can request a specific IP from the network using NIC/IP [1]. For example:
>
> NIC = [
> NETWORK_ID="0",
> IP = "10.10.10.1"
> ]
>
> This can't be parameterized, but you can try to automate it in bash doing a 'onetemplate update' 
> and pipe it to sed to replace the IP. Or write a small ruby script to get the template info, 
> change the IP, and do an instantiate action.
>
>
> Regards
>
> [1] http://opennebula.org/documentation:rel3.6:template#network_section
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - The Open-source Solution for Data Center Virtualization
> www.OpenNebula.org <http://www.OpenNebula.org> | cmartin at opennebula.org 
> <mailto:cmartin at opennebula.org> | @OpenNebula <http://twitter.com/opennebula>
>
>
>
> On Thu, Oct 18, 2012 at 7:20 AM, <knawnd at gmail.com <mailto:knawnd at gmail.com>> wrote:
>
>     Dear community,
>
>     I wonder if there is a way to assign a certain IP address for particular VM created and
>     deployed by 'onetemplate instantiate' command? Right now it looks like IP is chosen randomly
>     from the pool of free IP addresses (leases).
>     Moreover from time to time I need to create a bunch of identical VMs which differ only by
>     hostnames and corresponding IP addresses.
>     It seems that the use of 'onetemplate instantiate' command looks reasonable in that case but I
>     don't know how to pass the IP addresses.
>
>     I would assume something like
>     $ onetemplate instantiate --name vm%i -m 5 --ip 10.10.10.%i
>
>     with the following network definition and contextualization section in template description as
>     below:
>     NIC=[ NETWORK_ID="0" ]
>
>     CONTEXT=[
>     HOSTNAME="$NAME.domain.org <http://NAME.domain.org>",
>     NAMESERVER="$NETWORK[DNS, NETWORK_ID=0 ]" ]
>
>
>     I can't use DHCP since venet is used as network devices (I am using OpenVZ hypervisor) and
>     venet doesn't support DHCP.
>     So I wonder what the possible ways to pass hostname and corresponding IP address to the VM
>     deployment file are to be parsed by deploy script and make a proper OpenVZ config file?
>
>     Iam using OpenNebula 3.6 installed from rpm.
>
>     Regards,
>     Nikolay.
>
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