[libvirt] [PATCH 0/4] Fix issues with guest lifecycle event action settings

[Michal Privoznik]

On 24.04.2013 13:40, John Ferlan wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=916052
> 
> Domain lifecycle events "on_reboot" and "on_poweroff" translate into QEMU
> command options "no-reboot" and "no-shutdown" at startup time. The existing
> code only checked the "on_reboot" setting to determine whether to add the
> "no-reboot" option even though "on_poweroff" could have been set to allow
> reboot. Changed the logic to only use "no-reboot" if each of the lifecycle
> event actions was "destroy". I considered adding "preserve" as well; however,
> a future preserve action might be able to cull something from a qemu process
> that doesn't just exit immediately. NB, previously it was possible to have
> both QEMU command options on the command line, which while not tagged as
> an error could be considered "odd".
> 
> During the shutdown or reboot domain operations, the calls to qemuAgentShutdown
> and qemuDomainSetFakeReboot did not consider the possibility that the event
> action for shutdown was reboot or the event action for reboot was destroy.
> This patch fixes that. NB, I wasn't sure how I could "convey" that to the
> user though. The virsh reboot will still issue the message "Domain is being
> rebooted" even though it could be destroyed. Like was virsh shutdown will
> still issue the message "Domain is being shutdown" even though it is being
> rebooted. The usage of VIR_INFO was an attempt to do that even though one
> would have to have the correct debug level set.
> 
> Adjusted the documentation in order to describe the possible actions based
> on the event lifecycle action settings of the domain.
> 
> John Ferlan (4):
>   Adjust usage of qemu -no-reboot and -no-shutdown options
>   Adjust comments to describe on_poweroff and on_reboot action
>   Handle the domain event 'on_reboot' and 'on_poweroff' settings
>   docs: Update formatdomain for lifecycle events
> 
>  docs/formatdomain.html.in | 30 ++++++++++++++++++++++--------
>  src/libvirt.c             | 15 +++++++++++----
>  src/qemu/qemu_command.c   | 17 +++++++++++++----
>  src/qemu/qemu_driver.c    | 26 ++++++++++++++++++++++----
>  4 files changed, 68 insertions(+), 20 deletions(-)
> 

ACK series, but see my comments to 2/4 and 4/4.

Michal