def _instance_supported(self, host_state, image_props,
hypervisor_version):
img_arch = image_props.get('architecture', None)
img_h_type = image_props.get('hypervisor_type', None)
img_vm_mode = image_props.get('vm_mode', None)
img_vm_mode = vm_mode.name(img_vm_mode) # get canonical name
checked_img_props = (img_arch, img_h_type, img_vm_mode)
# Supported if no compute-related instance properties are specified
if not any(checked_img_props):
return True
supp_instances = host_state.supported_instances
# Not supported if an instance property is requested but nothing
# advertised by the host.
if not supp_instances:
LOG.debug(_("Instance contains properties %(image_props)s, "
"but no corresponding supported_instances are "
"advertised by the compute node"),
{'image_props': image_props})
return False
def _compare_props(props, other_props):
for i in props:
if i and i not in other_props:
return False
return True
def _compare_product_version(hyper_version, image_props):
version_required = image_props.get('hypervisor_version_requires')
if not(hypervisor_version and version_required):
return True
img_prop_predicate = versionpredicate.VersionPredicate(
'image_prop (%s)' % version_required)
hyper_ver_str = utils.convert_version_to_str(hyper_version)
return img_prop_predicate.satisfied_by(hyper_ver_str)
for supp_inst in supp_instances:
if _compare_props(checked_img_props, supp_inst):
if _compare_product_version(hypervisor_version, image_props):
LOG.debug(_("Instance properties %(image_props)s "
"are satisfied by compute host hypervisor "
"version %(hypervisor_version)s and "
"supported instances %(supp_instances)s"),
{'image_props': image_props,
'supp_instances': supp_instances,
'hypervisor_version': hypervisor_version})
return True
LOG.debug(_("Instance contains properties %(image_props)s "
"that are not provided by the compute node "
"supported_instances %(supp_instances)s or "
"hypervisor version %(hypervisor_version)s do not match"),
{'image_props': image_props,
'supp_instances': supp_instances,
'hypervisor_version': hypervisor_version})
return False
def _instance_supported(self, host_state, image_props, hypervisor_version):
img_arch = image_props.get('architecture', None)
img_h_type = image_props.get('hypervisor_type', None)
img_vm_mode = image_props.get('vm_mode', None)
checked_img_props = (arch.canonicalize(img_arch),
hvtype.canonicalize(img_h_type),
vm_mode.name(img_vm_mode))
# Supported if no compute-related instance properties are specified
if not any(checked_img_props):
return True
supp_instances = host_state.supported_instances
# Not supported if an instance property is requested but nothing
# advertised by the host.
if not supp_instances:
LOG.debug(
"Instance contains properties %(image_props)s, "
"but no corresponding supported_instances are "
"advertised by the compute node", {'image_props': image_props})
return False
def _compare_props(props, other_props):
for i in props:
if i and i not in other_props:
return False
return True
def _compare_product_version(hyper_version, image_props):
version_required = image_props.get('hypervisor_version_requires')
if not (hypervisor_version and version_required):
return True
img_prop_predicate = versionpredicate.VersionPredicate(
'image_prop (%s)' % version_required)
hyper_ver_str = utils.convert_version_to_str(hyper_version)
return img_prop_predicate.satisfied_by(hyper_ver_str)
for supp_inst in supp_instances:
if _compare_props(checked_img_props, supp_inst):
if _compare_product_version(hypervisor_version, image_props):
return True
LOG.debug(
"Instance contains properties %(image_props)s "
"that are not provided by the compute node "
"supported_instances %(supp_instances)s or "
"hypervisor version %(hypervisor_version)s do not match", {
'image_props': image_props,
'supp_instances': supp_instances,
'hypervisor_version': hypervisor_version
})
return False
def test_name_none(self):
mode = vm_mode.name(None)
self.assertIsNone(mode)
def test_name_hvm(self):
mode = vm_mode.name('hvm')
self.assertEqual(vm_mode.HVM, mode)
def test_name_hv_compat(self):
mode = vm_mode.name('hv')
self.assertEqual(vm_mode.HVM, mode)
def test_name_pv_compat(self):
mode = vm_mode.name('pv')
self.assertEqual(vm_mode.XEN, mode)
def test_name_none(self):
mode = vm_mode.name(None)
self.assertEqual(None, mode)
def test_name_hvm(self):
mode = vm_mode.name('hvm')
self.assertEqual(vm_mode.HVM, mode)
def test_name_hv_compat(self):
mode = vm_mode.name('hv')
self.assertEqual(vm_mode.HVM, mode)
def test_name_pv_compat(self):
mode = vm_mode.name('pv')
self.assertEqual(vm_mode.XEN, mode)
def test_name_none(self):
mode = vm_mode.name(None)
self.assertIsNone(mode)