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startupPolicy: Emit event on disk source dropping

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If a disk source gets dropped because it is not accessible,
mgmt application might want to be informed about this. Therefore
we need to emit an event. The event presented in this patch
is however a bit superset of what written above. The reason is simple:
an intention to be easily expanded, e.g. on 'user ejected disk
in guest' events. Therefore, callback gets source string and disk alias
(which should be unique among a domain) and reason (an integer);
This commit is contained in:
Michal Privoznik
2011-10-18 16:15:42 +02:00
parent 12ba43222d
commit baf2ff7e90
14 changed files with 337 additions and 9 deletions
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4
examples/domain-events/events-python/event-test.py
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@@ -469,6 +469,9 @@ def myDomainEventIOErrorCallback(conn, dom, srcpath, devalias, action, opaque):
def myDomainEventGraphicsCallback(conn, dom, phase, localAddr, remoteAddr, authScheme, subject, opaque):
print "myDomainEventGraphicsCallback: Domain %s(%s) %d %s" % (dom.name(), dom.ID(), phase, authScheme)
def myDomainEventDiskChangeCallback(conn, dom, oldSrcPath, newSrcPath, devAlias, reason, opaque):
print "myDomainEventDiskChangeCallback: Domain %s(%s) disk change oldSrcPath: %s newSrcPath: %s devAlias: %s reason: %s" % (
dom.name(), dom.ID(), oldSrcPath, newSrcPath, devAlias, reason)
def usage(out=sys.stderr):
print >>out, "usage: "+os.path.basename(sys.argv[0])+" [-hdl] [uri]"
print >>out, " uri will default to qemu:///system"
@@ -526,6 +529,7 @@ def main():
vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_IO_ERROR, myDomainEventIOErrorCallback, None)
vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_WATCHDOG, myDomainEventWatchdogCallback, None)
vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_GRAPHICS, myDomainEventGraphicsCallback, None)
vc.domainEventRegisterAny(None, libvirt.VIR_DOMAIN_EVENT_ID_DISK_CHANGE, myDomainEventDiskChangeCallback, None)
# The rest of your app would go here normally, but for sake
# of demo we'll just go to sleep. The other option is to