[ovirt-devel] [proposal] deprecate VDSM ping in favor of ping2 and confirmConnectivity

[Roy Golan]

Still someone could call conirmConnectivity, no? so the state isn't guarded
from localhost tinkering anyhow. If you really need a solution you can
acuire a token for this operation by setupNetworks, and confirm
connectivity with this token passed back.

I'm not sure about the severity of the problem here, I'll let other reply,
but I'm against this kind of solution.



On Mon, 7 Aug 2017 at 15:32 Petr Horacek <phoracek at redhat.com> wrote:

> Hello,
>
> current VDSM ping verb has a problem - it confirms network
> connectivity as a side-effect. After Engine calls setupNetwork it
> pings VDSM host to confirm that external network connectivity is not
> broken. This prohibits other users to call ping from localhost since
> it would confirm connectivity even though networking could be broken.
>
> In order to fix this problem ping should be split to ping2 (which just
> returns Success with no side-effect) and confirmConnectivity. Change
> on VDSM side was introduced in [1], we still need to expose new verbs
> in Engine.
>
> Regards,
> Petr
>
> [1] https://gerrit.ovirt.org/#/c/80119/
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