[Engine-devel] Network related hooks in vdsm

[Igor Lvovsky]

  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:
- 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