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From "ASF Subversion and Git Services" <asf...@urd.zones.apache.org>
Subject Re: Review Request 9871: (CLOUDSTACK-1638) Network plugins won't be notified VM migration.
Date Mon, 22 Jul 2013 05:37:25 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/9871/#review23610
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Commit 7260e8d83f07d90b48c34adaeb227de265019487 in branch refs/heads/pvlan from Hiroaki Kawai
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=7260e8d ]

CLOUDSTACK-1638: Introduce NetworkMigrationResponder

The location of the virtual machine is provided by DeployDestination, which will
be passed in NetworkGuru#reserve and NetworkElement#prepare.

During the virtual machine migration, it actually changes DeployDestination and
it looks like that it will tell that event to network components as it has
NetworkManager#prepareNicForMigration. The problem is that althogh the interface
has that method, NetworkManagerImpl does not tell the DeployDestination changes
to network components.

So IMHO, we need to add calls of NetworkGuru#reserve and NetworkElement#prepare
in NetworkManagerImpl#prepareNicForMigration . And then, we also need to add
calls NetworkGuru#release and NetworkElement#release after the migration,
otherwise the network resources that plugin reserved will be kept even when the
vm leaves off.

(Sheng Yang: rebase code, add license header)

Signed-off-by: Sheng Yang <sheng.yang@citrix.com>


- ASF Subversion and Git Services


On April 11, 2013, 7:22 a.m., Hiroaki Kawai wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/9871/
> -----------------------------------------------------------
> 
> (Updated April 11, 2013, 7:22 a.m.)
> 
> 
> Review request for cloudstack, Chiradeep Vittal and Hugo Trippaers.
> 
> 
> Bugs: CLOUDSTACK-1638
> 
> 
> Repository: cloudstack-git
> 
> 
> Description
> -------
> 
> The location of the virtual machine is provided by DeployDestination, which will be passed
in NetworkGuru#reserve and NetworkElement#prepare. 
> 
> During the virtual machine migration, it actually changes DeployDestination and it looks
like that it will tell that event to network components as it has NetworkManager#prepareNicForMigration.
The problem is that althogh the interface has that method, NetworkManagerImpl does not tell
the DeployDestination changes to network components. 
> 
> So IMHO, we need to add calls of NetworkGuru#reserve and NetworkElement#prepare in NetworkManagerImpl#prepareNicForMigration
. And then, we also need to add calls NetworkGuru#release and NetworkElement#release after
the migration, otherwise the network resources that plugin reserved will be kept even when
the vm leaves off.
> 
> Created a first minimum patch to show the concept.
> 
> 
> Diffs
> -----
> 
>   api/src/com/cloud/network/NetworkMigrationResponder.java PRE-CREATION 
>   server/src/com/cloud/network/NetworkManager.java 4124b19 
>   server/src/com/cloud/network/NetworkManagerImpl.java a98bdd4 
>   server/src/com/cloud/vm/VirtualMachineManagerImpl.java 9230f4a 
> 
> Diff: https://reviews.apache.org/r/9871/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Hiroaki Kawai
> 
>


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