def on_done(self, pod, vifs):
pod_name = utils.get_pod_unique_name(pod)
vif_dict = {
ifname: vif.obj_to_primitive() for
ifname, vif in vifs.items()
}
# NOTE(dulek): We need a lock when modifying shared self.registry dict
# to prevent race conditions with other processes/threads.
with lockutils.lock(pod_name, external=True):
if pod_name not in self.registry:
self.registry[pod_name] = {'pod': pod, 'vifs': vif_dict,
'containerid': None,
'vif_unplugged': False,
'del_received': False}
else:
# NOTE(dulek): Only update vif if its status changed, we don't
# need to care about other changes now.
old_vifs = {
ifname:
base.VersionedObject.obj_from_primitive(vif_obj) for
ifname, vif_obj in (
self.registry[pod_name]['vifs'].items())
}
for iface in vifs:
if old_vifs[iface].active != vifs[iface].active:
pod_dict = self.registry[pod_name]
pod_dict['vifs'] = vif_dict
self.registry[pod_name] = pod_dict
def on_deleted(self, pod):
pod_name = utils.get_pod_unique_name(pod)
try:
if pod_name in self.registry:
# NOTE(dulek): del on dict is atomic as long as we use standard
# types as keys. This is the case, so we don't
# need to lock here.
del self.registry[pod_name]
except KeyError:
# This means someone else removed it. It's odd but safe to ignore.
pass
def on_done(self, pod, vif):
pod_name = utils.get_pod_unique_name(pod)
vif_dict = vif.obj_to_primitive()
# NOTE(dulek): We need a lock when modifying shared self.registry dict
# to prevent race conditions with other processes/threads.
with lockutils.lock(pod_name, external=True):
if pod_name not in self.registry:
self.registry[pod_name] = {'pod': pod, 'vif': vif_dict,
'containerid': None}
else:
# NOTE(dulek): Only update vif if its status changed, we don't
# need to care about other changes now.
old_vif = base.VersionedObject.obj_from_primitive(
self.registry[pod_name]['vif'])
if old_vif.active != vif.active:
pod_dict = self.registry[pod_name]
pod_dict['vif'] = vif_dict
self.registry[pod_name] = pod_dict
def on_deleted(self, pod):
pod_name = utils.get_pod_unique_name(pod)
try:
if pod_name in self.registry:
# NOTE(ndesh): We need to lock here to avoid race condition
# with the deletion code for CNI DEL so that
# we delete the registry entry exactly once
with lockutils.lock(pod_name, external=True):
if self.registry[pod_name]['vif_unplugged']:
del self.registry[pod_name]
else:
pod_dict = self.registry[pod_name]
pod_dict['del_received'] = True
self.registry[pod_name] = pod_dict
except KeyError:
# This means someone else removed it. It's odd but safe to ignore.
LOG.debug('Pod %s entry already removed from registry while '
'handling DELETED event. Ignoring.', pod_name)
pass
