[Engine-devel] Network related hooks in vdsm

[Yaniv Kaul]

On 10/10/2012 04:47 PM, Igor Lvovsky wrote:
>    Hi everyone,
> As you know vdsm has hooks mechanism and we already support dozen of hooks for different needs.
> Now it's a network's time.
> We would like to get your comments regarding our proposition for network related hooks.
>
> In general we are planning to prepare framework for future support of bunch network related hooks.
> Some of them already proposed by Itzik Brown [1] and Dan Yasny [2].
>
> Below you can find the additional hooks list that we propose:
>
> Note: In the first stage we can implement these hooks without any parameters, just to provide an entry point
>   for simple hooks.
>
> Networks manipulation:
> - before_add_network(conf={}, customProperty={})
> - after_add_network(conf={}, customProperty={})
> - before_del_network(conf={}, customProperty={})
> - after_del_network(conf={}, customProperty={})
> - before_edit_network(conf={}, customProperty={})
> - after_edit_network(conf={}, customProperty={})
> - TBD
>
> Bondings manipulations:

Bond might be interesting because it may require switch configuration - 
but so will VLAN changes, so perhaps triggers in VLAN changes are 
worthwhile as well.
Y.

> - before_add_bond(conf={}, customProperty={})
> - after_add_bond(conf={}, customProperty={})
> - before_del_bond(conf={}, customProperty={})
> - after_del_bond(conf={}, customProperty={})
> - before_edit_bond(conf={}, customProperty={})
> - after_edit_bond(conf={}, customProperty={})
> - TBD
>
> General purpose:
> - before_persist_network
> - after_persist_network
>
>
> Now we just need to figure out the use cases.
>
> Your input more than welcome...
>
> [1] http://gerrit.ovirt.org/#/c/7224/   - Adding hooks support for NIC hotplug
> [2] http://gerrit.ovirt.org/#/c/7547/   - Hook: Cisco VM-FEX support
>
>
> Regards,
>      Igor Lvovsky
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