def create_resource_class(req):
"""POST to create a resource class.
On success return a 201 response with an empty body and a location
header pointing to the newly created resource class.
"""
context = req.environ['placement.context']
context.can(policies.CREATE)
data = util.extract_json(req.body, schema.POST_RC_SCHEMA_V1_2)
try:
rc = rp_obj.ResourceClass(context, name=data['name'])
rc.create()
except exception.ResourceClassExists:
raise webob.exc.HTTPConflict(
_('Conflicting resource class already exists: %(name)s') %
{'name': data['name']})
except exception.MaxDBRetriesExceeded:
raise webob.exc.HTTPConflict(
_('Max retries of DB transaction exceeded attempting '
'to create resource class: %(name)s, please '
'try again.') % {'name': data['name']})
req.response.location = util.resource_class_url(req.environ, rc)
req.response.status = 201
req.response.content_type = None
return req.response
def update_resource_class(req):
"""PUT to create or validate the existence of single resource class.
On a successful create return 201. Return 204 if the class already
exists. If the resource class is not a custom resource class, return
a 400. 409 might be a better choice, but 400 aligns with previous code.
"""
name = util.wsgi_path_item(req.environ, 'name')
context = req.environ['placement.context']
context.can(policies.UPDATE)
# Use JSON validation to validation resource class name.
util.extract_json('{"name": "%s"}' % name, schema.PUT_RC_SCHEMA_V1_2)
status = 204
try:
rc = rp_obj.ResourceClass.get_by_name(context, name)
except exception.NotFound:
try:
rc = rp_obj.ResourceClass(context, name=name)
rc.create()
status = 201
# We will not see ResourceClassCannotUpdateStandard because
# that was already caught when validating the {name}.
except exception.ResourceClassExists:
# Someone just now created the class, so stick with 204
pass
req.response.status = status
req.response.content_type = None
req.response.location = util.resource_class_url(req.environ, rc)
return req.response
def setUp(self):
super(TestPlacementURLs, self).setUp()
self.resource_provider = rp_obj.ResourceProvider(
name=uuidsentinel.rp_name,
uuid=uuidsentinel.rp_uuid)
self.resource_class = rp_obj.ResourceClass(
name='CUSTOM_BAREMETAL_GOLD',
id=1000)
def start_fixture(self):
super(GranularFixture, self).start_fixture()
rp_obj.ResourceClass(context=self.context,
name='CUSTOM_NET_MBPS').create()
os.environ['AGGA'] = uuids.aggA
os.environ['AGGB'] = uuids.aggB
os.environ['AGGC'] = uuids.aggC
cn_left = tb.create_provider(self.context, 'cn_left', uuids.aggA)
os.environ['CN_LEFT'] = cn_left.uuid
tb.add_inventory(cn_left, 'VCPU', 8)
tb.add_inventory(cn_left, 'MEMORY_MB', 4096)
tb.add_inventory(cn_left, 'DISK_GB', 500)
tb.add_inventory(cn_left, 'VGPU', 8)
tb.add_inventory(cn_left, 'SRIOV_NET_VF', 8)
tb.add_inventory(cn_left, 'CUSTOM_NET_MBPS', 4000)
tb.set_traits(cn_left, 'HW_CPU_X86_AVX', 'HW_CPU_X86_AVX2',
'HW_GPU_API_DXVA', 'HW_NIC_DCB_PFC', 'CUSTOM_FOO')
cn_middle = tb.create_provider(self.context, 'cn_middle', uuids.aggA,
uuids.aggB)
os.environ['CN_MIDDLE'] = cn_middle.uuid
tb.add_inventory(cn_middle, 'VCPU', 8)
tb.add_inventory(cn_middle, 'MEMORY_MB', 4096)
tb.add_inventory(cn_middle, 'SRIOV_NET_VF', 8)
tb.add_inventory(cn_middle, 'CUSTOM_NET_MBPS', 4000)
tb.set_traits(cn_middle, 'HW_CPU_X86_AVX', 'HW_CPU_X86_AVX2',
'HW_CPU_X86_SSE', 'HW_NIC_ACCEL_TLS')
cn_right = tb.create_provider(self.context, 'cn_right', uuids.aggB,
uuids.aggC)
os.environ['CN_RIGHT'] = cn_right.uuid
tb.add_inventory(cn_right, 'VCPU', 8)
tb.add_inventory(cn_right, 'MEMORY_MB', 4096)
tb.add_inventory(cn_right, 'DISK_GB', 500)
tb.add_inventory(cn_right, 'VGPU', 8, max_unit=2)
tb.set_traits(cn_right, 'HW_CPU_X86_MMX', 'HW_GPU_API_DXVA',
'CUSTOM_DISK_SSD')
shr_disk_1 = tb.create_provider(self.context, 'shr_disk_1', uuids.aggA)
os.environ['SHR_DISK_1'] = shr_disk_1.uuid
tb.add_inventory(shr_disk_1, 'DISK_GB', 1000)
tb.set_traits(shr_disk_1, 'MISC_SHARES_VIA_AGGREGATE',
'CUSTOM_DISK_SSD')
shr_disk_2 = tb.create_provider(self.context, 'shr_disk_2', uuids.aggA,
uuids.aggB)
os.environ['SHR_DISK_2'] = shr_disk_2.uuid
tb.add_inventory(shr_disk_2, 'DISK_GB', 1000)
tb.set_traits(shr_disk_2, 'MISC_SHARES_VIA_AGGREGATE')
shr_net = tb.create_provider(self.context, 'shr_net', uuids.aggC)
os.environ['SHR_NET'] = shr_net.uuid
tb.add_inventory(shr_net, 'SRIOV_NET_VF', 16)
tb.add_inventory(shr_net, 'CUSTOM_NET_MBPS', 40000)
tb.set_traits(shr_net, 'MISC_SHARES_VIA_AGGREGATE')
def test_cannot_create_requires_name(self):
rc = resource_provider.ResourceClass(self.context)
exc = self.assertRaises(exception.ObjectActionError, rc.create)
self.assertIn('name is required', str(exc))
def test_cannot_create_with_id(self):
rc = resource_provider.ResourceClass(self.context,
id=1,
name='CUSTOM_IRON_NFV')
exc = self.assertRaises(exception.ObjectActionError, rc.create)
self.assertIn('already created', str(exc))
