On 06.01.2016 01:19, John Ferlan wrote:
On 12/23/2015 09:25 AM, Dmitry Andreev wrote:
Reverting to snapshot may change domain configuration but
there will be no events about that.
Lack of the event become a problem for virt-manager
https://bugzilla.redhat.com/show_bug.cgi?id=1081148
This patch-set introduces new event and emits it in
qemuDomainRevertToSnapshot.
v3:
[2/2] event is emited only in the case when stopped domain
is reverted to a stopped domain.
Dmitry Andreev (2):
Introduce new VIR_DOMAIN_EVENT_DEFINED_FROM_SNAPSHOT sub-event
qemu: emit 'defined' event after reverted to snapshot without state
changes
examples/object-events/event-test.c | 2 ++
include/libvirt/libvirt-domain.h | 1 +
src/qemu/qemu_driver.c | 8 +++++++-
tools/virsh-domain.c | 3 ++-
4 files changed, 12 insertions(+), 2 deletions(-)
This seems to be a reasonable approach; however, since Peter understands
the snapshot code better than I do, I expect he will want to chime in
(I've CC'd him).
It does seem though it's important to note somehow in the documentation
of the new event that it is only useful for the offline -> offline
revert. Think patch 1's comment and commit message.
w/r/t patch 2 - the new else statement ...
* Don't see any way that event could be defined...
There will be VIR_DOMAIN_EVENT_STOPPED event for transitions 4,7 (from
running/paused to stopped).
* Doesn't seem to matter if the FORCE flag was used or not
so it seems just an "else if (config)" could be done.
John
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