def inspect_memory_usage(self, instance, duration=None):
instance_name = instance.name()
domain = self._get_domain_not_shut_off_or_raise(instance)
try:
memory_stats = domain.memoryStats()
if (memory_stats and memory_stats.get('available')
and memory_stats.get('unused')):
memory_used = (memory_stats.get('available') -
memory_stats.get('unused'))
# Stat provided from libvirt is in KB, converting it to MB.
memory_used = memory_used / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory_used)
else:
msg = ('Failed to inspect memory usage of instance '
'<name=%(name)s, id=%(id)s>, '
'can not get info from libvirt.') % {
'name': instance_name,
'id': instance.ID()
}
raise virt_inspector.NoDataException(msg)
# memoryStats might launch an exception if the method is not supported
# by the underlying hypervisor being used by libvirt.
except libvirt.libvirtError as e:
msg = ('Failed to inspect memory usage of %(instance_uuid)s, '
'can not get info from libvirt: %(error)s') % {
'instance_uuid': domain.ID(),
'error': e
}
raise virt_inspector.NoDataException(msg)
def inspect_memory_usage(self, instance, duration=None):
instance_name = get_instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
metrics_ref = self._call_xenapi("VM.get_metrics", vm_ref)
metrics_rec = self._call_xenapi("VM_metrics.get_record", metrics_ref)
# Stat provided from XenServer is in B, converting it to MB.
memory = long(metrics_rec['memory_actual']) / units.Mi
return virt_inspector.MemoryUsageStats(usage=memory)
def inspect_memory_usage(self, instance, duration=None):
vm_moid = self._ops.get_vm_moid(instance.id)
if vm_moid is None:
raise virt_inspector.InstanceNotFoundException(
'VM %s not found in VMware Vsphere' % instance.id)
mem_counter_id = self._ops.get_perf_counter_id(
VC_AVERAGE_MEMORY_CONSUMED_CNTR)
memory = self._ops.query_vm_aggregate_stats(vm_moid, mem_counter_id,
duration)
# Stat provided from vSphere is in KB, converting it to MB.
memory = memory / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory)
def inspect_memory_usage(self, instance, duration=None):
instance_name = get_instance_name(instance)
usage = self._utils.get_memory_metrics(instance_name)
return virt_inspector.MemoryUsageStats(usage=usage)
