def test_get_by_service_id(self):
self.mox.StubOutWithMock(db, 'compute_nodes_get_by_service_id')
db.compute_nodes_get_by_service_id(self.context, 456).AndReturn(
[fake_compute_node])
self.mox.ReplayAll()
compute = compute_node.ComputeNode.get_by_service_id(self.context, 456)
self.compare_obj(compute, fake_compute_node,
subs=self.subs(),
comparators=self.comparators())
def test_get_by_service_id(self):
self.mox.StubOutWithMock(db, 'compute_nodes_get_by_service_id')
db.compute_nodes_get_by_service_id(self.context,
456).AndReturn([fake_compute_node])
self.mox.ReplayAll()
compute = compute_node.ComputeNode.get_by_service_id(self.context, 456)
self.compare_obj(compute,
fake_compute_node,
subs=self.subs(),
comparators=self.comparators())
def get_by_host_and_nodename(cls, context, host, nodename):
try:
db_compute = db.compute_node_get_by_host_and_nodename(
context, host, nodename)
except exception.ComputeHostNotFound:
# FIXME(sbauza): Some old computes can still have no host record
# We need to provide compatibility by using the old service_id
# record.
# We assume the compatibility as an extra penalty of one more DB
# call but that's necessary until all nodes are upgraded.
try:
service = objects.Service.get_by_compute_host(context, host)
db_computes = db.compute_nodes_get_by_service_id(
context, service.id)
except exception.ServiceNotFound:
# We need to provide the same exception upstream
raise exception.ComputeHostNotFound(host=host)
db_compute = None
for compute in db_computes:
if compute['hypervisor_hostname'] == nodename:
db_compute = compute
# We can avoid an extra call to Service object in
# _from_db_object
db_compute['host'] = service.host
break
if not db_compute:
raise exception.ComputeHostNotFound(host=host)
return cls._from_db_object(context, cls(), db_compute)
def get_by_host_and_nodename(cls, context, host, nodename):
try:
db_compute = db.compute_node_get_by_host_and_nodename(
context, host, nodename)
except exception.ComputeHostNotFound:
# FIXME(sbauza): Some old computes can still have no host record
# We need to provide compatibility by using the old service_id
# record.
# We assume the compatibility as an extra penalty of one more DB
# call but that's necessary until all nodes are upgraded.
try:
service = objects.Service.get_by_compute_host(context, host)
db_computes = db.compute_nodes_get_by_service_id(
context, service.id)
except exception.ServiceNotFound:
# We need to provide the same exception upstream
raise exception.ComputeHostNotFound(host=host)
db_compute = None
for compute in db_computes:
if compute['hypervisor_hostname'] == nodename:
db_compute = compute
# We can avoid an extra call to Service object in
# _from_db_object
db_compute['host'] = service.host
break
if not db_compute:
raise exception.ComputeHostNotFound(host=host)
return cls._from_db_object(context, cls(), db_compute)
def _get_by_service(cls, context, service_id, use_slave=False):
try:
db_computes = db.compute_nodes_get_by_service_id(
context, service_id)
except exception.ServiceNotFound:
# NOTE(sbauza): Previous behaviour was returning an empty list
# if the service was created with no computes, we need to keep it.
db_computes = []
return base.obj_make_list(context, cls(context), objects.ComputeNode,
db_computes)
def _get_by_service(cls, context, service_id, use_slave=False):
try:
db_computes = db.compute_nodes_get_by_service_id(
context, service_id)
except exception.ServiceNotFound:
# NOTE(sbauza): Previous behaviour was returning an empty list
# if the service was created with no computes, we need to keep it.
db_computes = []
return base.obj_make_list(context, cls(context), objects.ComputeNode,
db_computes)
def get_all_by_host(cls, context, host, use_slave=False):
try:
db_computes = db.compute_node_get_all_by_host(context, host,
use_slave)
except exception.ComputeHostNotFound:
# FIXME(sbauza): Some old computes can still have no host record
# We need to provide compatibility by using the old service_id
# record.
# We assume the compatibility as an extra penalty of one more DB
# call but that's necessary until all nodes are upgraded.
try:
service = objects.Service.get_by_compute_host(context, host,
use_slave)
db_computes = db.compute_nodes_get_by_service_id(
context, service.id)
except exception.ServiceNotFound:
# We need to provide the same exception upstream
raise exception.ComputeHostNotFound(host=host)
# We can avoid an extra call to Service object in _from_db_object
for db_compute in db_computes:
db_compute['host'] = service.host
return base.obj_make_list(context, cls(context), objects.ComputeNode,
db_computes)
def get_all_by_host(cls, context, host, use_slave=False):
try:
db_computes = db.compute_node_get_all_by_host(
context, host, use_slave)
except exception.ComputeHostNotFound:
# FIXME(sbauza): Some old computes can still have no host record
# We need to provide compatibility by using the old service_id
# record.
# We assume the compatibility as an extra penalty of one more DB
# call but that's necessary until all nodes are upgraded.
try:
service = objects.Service.get_by_compute_host(
context, host, use_slave)
db_computes = db.compute_nodes_get_by_service_id(
context, service.id)
except exception.ServiceNotFound:
# We need to provide the same exception upstream
raise exception.ComputeHostNotFound(host=host)
# We can avoid an extra call to Service object in _from_db_object
for db_compute in db_computes:
db_compute['host'] = service.host
return base.obj_make_list(context, cls(context), objects.ComputeNode,
db_computes)
def get_by_service_id(cls, context, service_id):
db_computes = db.compute_nodes_get_by_service_id(context, service_id)
# NOTE(sbauza): Old version was returning an item, we need to keep this
# behaviour for backwards compatibility
db_compute = db_computes[0]
return cls._from_db_object(context, cls(), db_compute)
def get_by_service_id(cls, context, service_id):
db_computes = db.compute_nodes_get_by_service_id(context, service_id)
# NOTE(sbauza): Old version was returning an item, we need to keep this
# behaviour for backwards compatibility
db_compute = db_computes[0]
return cls._from_db_object(context, cls(), db_compute)
