Re: [PATCH] KVM test: Unattended install - Give Linux VMs time to shutdown cleanly

[Eduardo Habkost <ehabkost@redhat.com>]

On Tue, Apr 12, 2011 at 07:28:15PM -0300, Lucas Meneghel Rodrigues wrote:
> During unattended install, right after we receive the ACK from the guest
> the test is deemed to be finished, and as shutdown_vm = yes, it'll try
> to end the vm issuing a shutdown command to it. However, on virtually
> all Linux guests an SSH server is not available at the end of install,
> so KVM autotest will end the VM forcefully, which is not really safe,
> although it has served us well so far.
> 
> We did not fix this 'problem' so far because on RHEL3, a supported
> guest, the anaconda syntax does not support the 'poweroff' directive,
> only 'reboot', so if we don't finish the VM right after the ACK from
> guest we really can't prevent it from starting the install again,
> getting an infinite loop.

On the other hand, RHEL 3 supports 'reboot'[1], so we could simply run
the install-finished notification on first boot (it's the method we use
for Windows guests, right?), and simply shut down the machine cleanly
using ssh or the virtual power button.

[1] http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/3/html/System_Administration_Guide/s1-kickstart2-options.html

-- 
Eduardo