[ovirt-users] ovirt 3.6 python sdk how to find logical network from a host nic?

[Juan Hernández]

On 08/16/2016 08:20 PM, Huan He (huhe) wrote:
> Hi Juan,
> 
> Thanks! It works. 
> 
> One more question, do you know how to do ³save network configuration² in
> the api? I did the following
> 
> Params.Action(force=1, check_connectivity=1, host_nics=host_nics)
> 
> but the gui says the network configuration is not saved. I can¹t find any
> relevant params in the Action.
> 
> Thanks,
> Huan
> 

Saving the network configuration is a different action:

  host.commitnetconfig()

> 
> On 8/13/16, 5:09 AM, "Juan Hernández" <jhernand at redhat.com> wrote:
> 
>> On 08/13/2016 12:17 AM, Huan He (huhe) wrote:
>>> Assuming the logical network ovirtmgmt has been configured in host NIC
>>> enp6s0.
>>>
>>> host = api.hosts.get(Œhost-123¹)
>>> host_nic = host.nics.get(Œenp6s0¹)
>>>
>>> How to get the logical network name ovirtmgmt?
>>>
>>> I basically need to find ovirtmgmt is configured in which NIC.
>>>
>>> Thanks,
>>> Huan
>>>
>>
>> To do this first you need to find the identifier of the "ovirtmgmt"
>> network of the relevant cluster (the same network name can be used in
>> multiple clusters) and then iterate the network attachments to find
>> which network interfaces are connected to that network. Something like
>> this:
>>
>> ---8<---
>> # Find the host:
>> host_name = 'myhost'
>> host = api.hosts.get(name=host_name)
>>
>> # Find the identifier of the cluster that the host belongs to:
>> cluster_id = host.get_cluster().get_id()
>>
>> # Find the networks available in the cluster, and locate the one
>> # ones with the name we are looking for:
>> network_name = 'ovirtmgmt'
>> network_ids = []
>> networks = api.clusters.get(id=cluster_id).networks.list()
>> for network in networks:
>>    if network.get_name() == network_name:
>>        network_ids.append(network.get_id())
>>
>> # Find the network interface of the host that has the network attached:
>> nic_ids = []
>> network_attachments = host.networkattachments.list()
>> for network_attachment in network_attachments:
>>    if network_attachment.get_network().get_id() in network_ids:
>>        nic_ids.append(network_attachment.get_host_nic().get_id())
>>
>> # Print the details of the nics:
>> for nic_id in nic_ids:
>>    nic = host.nics.get(id=nic_id)
>>    print(nic.get_name())
>> --->8---
>>
>> -- 
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> 
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-- 
Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta
3ºD, 28016 Madrid, Spain
Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.