[one-users] context mac address

Mon Oct 28 07:17:18 PDT 2013

Thanks Carlos!!! The --all is what I really needed...missed that in the readings, just dirty sightedness on my part!

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-----Original Message-----
From: Carlos Martín Sánchez [cmartin at opennebula.org]
Received: Monday, 28 Oct 2013, 8:24am
To: Michael Curran [michael.curran at connectsolutions.com]
CC: users [users at lists.opennebula.org]
Subject: Re: [one-users] context mac address

Hi,

On Fri, Oct 25, 2013 at 8:40 PM, Michael Curran <michael.curran at connectsolutions.com<mailto:michael.curran at connectsolutions.com>> wrote:
I have tried Carlos’ suggestion below and also these now

ETH0_MAC="$NIC[MAC,ID=\"0\"]"
ETH0_MAC="$VMNIC[MAC,ID=\"0\"]"
ETH0_MAC="$VM_NIC[MAC,ID=\"0\"]"

With no such luck in finding the MAC so I can do MAC matching to assign IP’s across multiple NICs based on that MAC

The example I gave in my first email is working for me.

For this template:

CPU="0.1"
MEMORY="128"
NIC=[
  NETWORK_ID="0" ]
CONTEXT=[
  ETH0_MAC="$NIC[MAC, NETWORK_ID=\"0\"]",
  NETWORK="yes" ]

I get this VM:

[...]
CONTEXT=[
  DISK_ID="0",
  ETH0_DNS="192.168.0.1",
  ETH0_GATEWAY="192.168.0.1",
  ETH0_IP="192.168.0.3",
  ETH0_MAC="02:00:c0:a8:00:03",
  ETH0_MASK="255.255.255.0",
  ETH0_NETWORK="192.168.0.0",
  NETWORK="yes",
  TARGET="hda" ]

> The contextualization variables syntax is explained here [1].
> [1] http://opennebula.org/documentation:rel4.2:cong
That page is explanatory on how to put them together, but not how to obtain what is available – maybe MAC isn’t available with $NIC ??

What is the correct variable pattern to use – is there a comprehensive list of these variables listed somewhere?

No, we don't have a complete list of variables, because you can use any attribute. To see all your available attributes, instantiate a VM, and use the --all or -x options of onevm show.

For example, I get this output for the previous VM:

$ onevm show 1 --all
[...]
VM NICS
 ID NETWORK              VLAN BRIDGE       IP              MAC
  0 ranged                 no virbr0       192.168.0.3     02:00:c0:a8:00:03
                                           fe80::400:c0ff:fea8:3

VIRTUAL MACHINE TEMPLATE
[...]
NIC=[
  BRIDGE="virbr0",
  IP="192.168.0.3",
  IP6_LINK="fe80::400:c0ff:fea8:3",
  MAC="02:00:c0:a8:00:03",
  NETWORK="ranged",
  NETWORK_ID="0",
  NIC_ID="0",
  VLAN="NO" ]

This means that I can use any of the following expressions inside the CONTEXT section:
ETH0_IPV6="$NIC[IP6_LINK, NIC_ID=\"0\"]",
ETH0_MAC="$NIC[MAC, NETWORK=\"ranged\"]",
ETH0_NETWORK_NAME="$NIC[NETWORK, BRIDGE=\"virbr0\"]"

But instead of doing this, maybe we should add the ETHx_MAC attribute with the rest of the network contextualization, when the CONTEXT/NETWORK=YES attribute is found. This could be easily added to the next release.

Regards
--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org<http://www.OpenNebula.org> | cmartin at opennebula.org<mailto:cmartin at opennebula.org> | @OpenNebula<http://twitter.com/opennebula><mailto:cmartin at opennebula.org>

On Fri, Oct 25, 2013 at 8:40 PM, Michael Curran <michael.curran at connectsolutions.com<mailto:michael.curran at connectsolutions.com>> wrote:
Just to make sure I am clear on what I am looking for , this is the set of fields in the onevm show <vmid>

VM NICS
ID NETWORK              VLAN BRIDGE       IP              MAC
  0 private1_10.7.0.0     yes private_1    10.7.3.248      02:00:0a:07:03:f8
                                           fe80::400:aff:fe07:3f8
  1 private1_10.7.0.0     yes private_1    10.7.3.249      02:00:0a:07:03:f9
                                           fe80::400:aff:fe07:3f9

I want to create my own context variable that references ETH0_MAC – the mac address in the last colume

I have tried Carlos’ suggestion below and also these now

ETH0_MAC="$NIC[MAC,ID=\"0\"]"
ETH0_MAC="$VMNIC[MAC,ID=\"0\"]"
ETH0_MAC="$VM_NIC[MAC,ID=\"0\"]"

With no such luck in finding the MAC so I can do MAC matching to assign IP’s across multiple NICs based on that MAC

What is the correct variable pattern to use – is there a comprehensive list of these variables listed somewhere?

Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285<tel:614.568.2285> | Mobile 614.403.6320<tel:614.403.6320> | www.connectsolutions.com<http://www.connectsolutions.com>

From: users-bounces at lists.opennebula.org<mailto:users-bounces at lists.opennebula.org> [mailto:users-bounces at lists.opennebula.org<mailto:users-bounces at lists.opennebula.org>] On Behalf Of Michael Curran
Sent: Friday, October 25, 2013 1:26 PM
To: Carlos Martín Sánchez

Cc: users
Subject: Re: [one-users] context mac address

I tried that as you wrote it and I have tried a few of my own variables that did not work either.

I would love to see a comprehensive list of variables to use, and I’m just not finding one.

That page is explanatory on how to put them together, but not how to obtain what is available – maybe MAC isn’t available with $NIC ??

Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285<tel:614.568.2285> | Mobile 614.403.6320<tel:614.403.6320> | www.connectsolutions.com<http://www.connectsolutions.com>

From: Carlos Martín Sánchez [mailto:cmartin at opennebula.org]
Sent: Friday, October 25, 2013 12:53 PM
To: Michael Curran
Cc: users
Subject: Re: [one-users] context mac address

Hi,

Do you mean like this?
ETH0_NIC = "$NIC[MAC, NETWORK_ID=\"0\"]"

The contextualization variables syntax is explained here [1].

Regards

[1] http://opennebula.org/documentation:rel4.2:cong

--
Carlos Martín, MSc
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org<http://www.OpenNebula.org> | cmartin at opennebula.org<mailto:cmartin at opennebula.org> | @OpenNebula<http://twitter.com/opennebula>

On Fri, Oct 25, 2013 at 6:42 PM, Michael Curran <michael.curran at connectsolutions.com<mailto:michael.curran at connectsolutions.com>> wrote:
I’m working on contextualizing a windows VM with multiple NIC’s during VM creation

Does anyone know the correct Variable for the MAC by network ID number? I just want to add it to context settings in the VM Template so it picks it up everytime.

Michael Curran | connectsolutions | Lead Network Architect
Phone 614.568.2285<tel:614.568.2285> | Mobile 614.403.6320<tel:614.403.6320> | www.connectsolutions.com<http://www.connectsolutions.com>

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