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cc-node
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f59be6d0
Commit
f59be6d0
authored
9 years ago
by
Antoine Millet
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Handle update of devices added/removed from a VM
parent
6c4837c7
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cloudcontrol/node/hypervisor/kvm.py
+17
-0
17 additions, 0 deletions
cloudcontrol/node/hypervisor/kvm.py
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17 additions
and
0 deletions
cloudcontrol/node/hypervisor/kvm.py
+
17
−
0
View file @
f59be6d0
...
...
@@ -83,12 +83,20 @@ class KVM(object):
logger
.
debug
(
'
Domains: %s
'
,
self
.
domains
)
self
.
vir_con
.
domainEventRegister
(
self
.
vir_cb
,
None
)
self
.
vir_cb_id_dev_add
=
self
.
vir_con
.
domainEventRegisterAny
(
None
,
libvirt
.
VIR_DOMAIN_EVENT_ID_DEVICE_ADDED
,
self
.
vir_cb_devices
,
None
)
self
.
vir_cb_id_dev_del
=
self
.
vir_con
.
domainEventRegisterAny
(
None
,
libvirt
.
VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED
,
self
.
vir_cb_devices
,
None
)
def
stop
(
self
):
self
.
vir_event_loop
.
stop
()
# unregister callback
try
:
self
.
vir_con
.
domainEventDeregister
(
self
.
vir_cb
)
self
.
vir_con
.
domainEventDeregisterAny
(
self
.
vir_cb_id_dev_add
)
self
.
vir_con
.
domainEventDeregisterAny
(
self
.
vir_cb_id_dev_del
)
except
libvirt
.
libvirtError
:
# in case the libvirt connection is broken, it will raise the error
pass
...
...
@@ -167,6 +175,15 @@ class KVM(object):
vm
.
state
=
state
self
.
update_domain_count
()
def
vir_cb_devices
(
self
,
conn
,
dom
,
device
,
opaque
):
"""
Callback for device add/removed from a domain.
"""
logger
.
debug
(
'
Received device event on domain %s, dev %s
'
,
dom
.
name
(),
device
)
vm
=
self
.
domains
.
get
(
dom
.
name
())
if
vm
is
not
None
:
# Unregister/register VM to update devices list:
self
.
vm_unregister
(
vm
.
name
)
self
.
vm_register
(
dom
)
def
vm_register
(
self
,
dom
,
redefine_on_stop
=
False
):
"""
Register a VM to the hypervisor object.
...
...
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