RE: [Xen-API] problem to change VLAN tag in XCP 0.5.0

[Rob Hoes <Rob.Hoes@xxxxxxxxxx>]

Hi Marco,

The error suggests that a VLAN with the same tag already exists on one of the 
PIFs you are trying to create a VLAN on. Would that be possible in your setup? 
I don't see anything in your code that checks for this. Note that 
Pool.create_VLAN_from_PIF tries to create VLANs on all hosts in the pool.

Cheers,
Rob

> -----Original Message-----
> From: xen-api-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-api-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Marco Sinhoreli
> Sent: 02 August 2010 15:40
> To: xen-api
> Subject: [Xen-API] problem to change VLAN tag in XCP 0.5.0
> 
> Hello guys:
> 
> I have an incompatible between XCP 0.1.0 and 0.5.0 to change VLAN tag.
> Before, to change the virtual machine VLAN tag in XCP 0.1.0, I used
> this code:
> 
> <code>
> vm_rcd = self.master.VM.get_record(vm)
> for vif in vm_rcd['VIFs']:
>     vif_rcd = self.master.VIF.get_record(vif)
>     if vif_rcd['currently_attached'] == True:
>         self.master.VIF.unplug(vif)
>     self.master.VIF.destroy(vif)
> 
> pifs = self.master.host.get_PIFs(master)
>     pif_vlan = None
>     for pif in pifs:
>         pif_rcd = self.master.PIF.get_record(pif)
>         if vlan == int(pif_rcd['VLAN']) and device ==
> pif_rcd['device']:
>             pif_vlan = pif
>             break
> 
> 
> ref_args = {
>                 'current_operations': {},
>                 'tags': [],
>                 'other_config': {'automatic': 'false'},
>                 'name_label': 'eth0',
>                 'VIFs': [],
>                 'allowed_operations': [],
>                 'name_description': 'Added by globo.com orchestration
> system.',
>                 'blobs': {}
>                 }
> 
> network = self.master.network.create(ref_args)
> pif = self.__find_pif(host, device)
> self.master.pool.create_VLAN_from_PIF(pif, network, str(vlan))
> </code>
> 
> These before was working fine. Now, using XCP 0.5.0 the last line
> "self.master.pool.create_VLAN_from_PIF(pif, network, str(vlan))"
> return an exception:
> 
> <log>
>     self.master.pool.create_VLAN_from_PIF(pif, network, str(vlan))
>   File "/mnt/projetos/deploy-
> be/virt/orquestracao/integration/releases/24_03_2010_18_58_21/vmo-
> integration/lib/integration/xenapi/XenAPI.py",
> line 216, in __call__
>     return self.__send(self.__name, args)
>   File "/mnt/projetos/deploy-
> be/virt/orquestracao/integration/releases/24_03_2010_18_58_21/vmo-
> integration/lib/integration/xenapi/XenAPI.py",
> line 142, in xenapi_request
>     result = _parse_result(getattr(self, methodname)(*full_params))
>   File "/mnt/projetos/deploy-
> be/virt/orquestracao/integration/releases/24_03_2010_18_58_21/vmo-
> integration/lib/integration/xenapi/XenAPI.py",
> line 191, in _parse_result
>     raise Failure(result['ErrorDescription'])
> Failure: PIF_VLAN_EXISTS
> </log>
> 
> Thoughts?
> 
> Cheers,
> 
> 
> --
> Marco Sinhoreli
> 
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