def _audit_nfvi_hypervisors_callback(timer_id):
"""
Audit Hypervisors
"""
global _main_audit_inprogress
global _nfvi_hypervisors_to_audit
response = (yield)
DLOG.verbose("Audit-Hypervisors callback, response=%s." % response)
trigger_recovery = False
if response['completed']:
hypervisor_table = tables.tables_get_hypervisor_table()
deletable_hypervisors = list(hypervisor_table)
for nfvi_hypervisor in response['result-data']:
hypervisor = hypervisor_table.get(nfvi_hypervisor.uuid, None)
if hypervisor is None:
hypervisor = objects.Hypervisor(nfvi_hypervisor)
hypervisor_table[nfvi_hypervisor.uuid] = hypervisor
trigger_recovery = True
else:
deletable_hypervisors.remove(nfvi_hypervisor.uuid)
if nfvi_hypervisor.uuid not in _nfvi_hypervisors_to_audit:
_nfvi_hypervisors_to_audit[nfvi_hypervisor.uuid] \
= nfvi_hypervisor.uuid
prev_state = hypervisor.oper_state
hypervisor.nfvi_hypervisor_update(nfvi_hypervisor)
if (hypervisor.oper_state != prev_state
and nfvi.objects.v1.HYPERVISOR_OPER_STATE.ENABLED
== hypervisor.oper_state):
trigger_recovery = True
for hypervisor_id in deletable_hypervisors:
del hypervisor_table[hypervisor_id]
if hypervisor_id in _nfvi_hypervisors_to_audit:
del _nfvi_hypervisors_to_audit[hypervisor_id]
else:
DLOG.error("Audit-Hypervisors callback, not completed, responses=%s." %
response)
_main_audit_inprogress = False
timers.timers_reschedule_timer(timer_id, 2) # 2 seconds later
if trigger_recovery:
# Hypervisor is now available, there is potential to recover instances.
DLOG.info("Recover-Instances-Audit triggered by hypervisor audit.")
instance_director = directors.get_instance_director()
instance_director.recover_instances()
def _audit_nfvi_hypervisor_callback():
"""
Audit Hypervisor
"""
response = (yield)
DLOG.verbose("Audit-Hypervisor callback, response=%s." % response)
if response['completed']:
nfvi_hypervisor = response['result-data']
hypervisor_table = tables.tables_get_hypervisor_table()
hypervisor = hypervisor_table.get(nfvi_hypervisor.uuid, None)
if hypervisor is None:
hypervisor = objects.Hypervisor(nfvi_hypervisor)
hypervisor_table[hypervisor.uuid] = hypervisor
hypervisor.nfvi_hypervisor_update(nfvi_hypervisor)
else:
DLOG.error("Audit-Hypervisor callback, not completed, response=%s." %
response)
def database_hypervisor_get_list():
"""
Fetch all the hypervisor objects from the database
"""
db = database_get()
session = db.session()
query = session.query(model.Hypervisor)
hypervisor_objs = list()
for hypervisor in query.all():
nfvi_hypervisor_data = json.loads(hypervisor.nfvi_hypervisor_data)
nfvi_hypervisor = nfvi.objects.v1.Hypervisor(
nfvi_hypervisor_data['uuid'], nfvi_hypervisor_data['admin_state'],
nfvi_hypervisor_data['oper_state'],
nfvi_hypervisor_data['host_name'])
vcpus_used = nfvi_hypervisor_data.get('vcpus_used', None)
if vcpus_used is not None:
nfvi_hypervisor.update_stats(nfvi_hypervisor_data['vcpus_used'],
nfvi_hypervisor_data['vcpus_max'],
nfvi_hypervisor_data['mem_used_mb'],
nfvi_hypervisor_data['mem_free_mb'],
nfvi_hypervisor_data['mem_max_mb'],
nfvi_hypervisor_data['disk_used_gb'],
nfvi_hypervisor_data['disk_max_gb'],
nfvi_hypervisor_data['running_vms'])
hypervisor_obj = objects.Hypervisor(nfvi_hypervisor)
hypervisor_obj.vcpus_used = hypervisor.vcpus_used
hypervisor_obj.vcpus_max = hypervisor.vcpus_max
hypervisor_obj.mem_used_mb = hypervisor.mem_used_mb
hypervisor_obj.mem_free_mb = hypervisor.mem_free_mb
hypervisor_obj.mem_max_mb = hypervisor.mem_max_mb
hypervisor_obj.disk_used_gb = hypervisor.disk_used_gb
hypervisor_obj.disk_max_gb = hypervisor.disk_max_gb
hypervisor_obj.running_instances = hypervisor.running_instances
hypervisor_objs.append(hypervisor_obj)
return hypervisor_objs