def get_by_name(cls, context, name, bay_uuid, k8s_api):
"""Return a :class:`ReplicationController` object based on name.
:param context: Security context
:param name: the name of a ReplicationController.
:param bay_uuid: the UUID of the Bay.
:returns: a :class:`ReplicationController` object.
"""
try:
resp = k8s_api.read_namespaced_replication_controller(
name=name,
namespace='default')
except rest.ApiException as err:
raise exception.KubernetesAPIFailed(err=err)
if resp is None:
raise exception.ReplicationControllerNotFound(rc=name)
rc = {}
rc['uuid'] = resp.metadata.uid
rc['name'] = resp.metadata.name
rc['project_id'] = context.project_id
rc['user_id'] = context.user_id
rc['images'] = [c.image for c in resp.spec.template.spec.containers]
rc['bay_uuid'] = bay_uuid
# Convert string to dictionary
rc['labels'] = ast.literal_eval(resp.metadata.labels)
rc['replicas'] = resp.status.replicas
rc_obj = ReplicationController(context, **rc)
return rc_obj
def get_rcs_by_bay_uuid(self, bay_uuid):
query = model_query(
models.ReplicationController).filter_by(bay_uuid=bay_uuid)
try:
return query.all()
except NoResultFound:
raise exception.ReplicationControllerNotFound(bay=bay_uuid)
def rc_update(self, context, rc_ident, bay_ident, manifest):
LOG.debug("rc_update %s", rc_ident)
bay = conductor_utils.retrieve_bay(context, bay_ident)
self.k8s_api = k8s.create_k8s_api(context, bay)
if uuidutils.is_uuid_like(rc_ident):
rc = objects.ReplicationController.get_by_uuid(context, rc_ident,
bay.uuid,
self.k8s_api)
else:
rc = objects.ReplicationController.get_by_name(context, rc_ident,
bay.uuid,
self.k8s_api)
try:
resp = self.k8s_api.replace_namespaced_replication_controller(
name=str(rc.name),
body=manifest,
namespace='default')
except rest.ApiException as err:
raise exception.KubernetesAPIFailed(err=err)
if resp is None:
raise exception.ReplicationControllerNotFound(rc=rc.uuid)
rc['uuid'] = resp.metadata.uid
rc['name'] = resp.metadata.name
rc['project_id'] = context.project_id
rc['user_id'] = context.user_id
rc['images'] = [c.image for c in resp.spec.template.spec.containers]
rc['bay_uuid'] = bay.uuid
rc['labels'] = ast.literal_eval(resp.metadata.labels)
rc['replicas'] = resp.status.replicas
return rc
def destroy_rc(self, rc_id):
session = get_session()
with session.begin():
query = model_query(models.ReplicationController, session=session)
query = add_identity_filter(query, rc_id)
count = query.delete()
if count != 1:
raise exception.ReplicationControllerNotFound(rc_id)
def get_rc_by_uuid(self, context, rc_uuid):
query = model_query(models.ReplicationController)
query = self._add_tenant_filters(context, query)
query = query.filter_by(uuid=rc_uuid)
try:
return query.one()
except NoResultFound:
raise exception.ReplicationControllerNotFound(rc=rc_uuid)
def get_rcs_by_bay_uuid(self, context, bay_uuid):
# First verify whether the Bay exists
self.get_bay_by_uuid(context, bay_uuid)
query = model_query(
models.ReplicationController).filter_by(bay_uuid=bay_uuid)
try:
return query.all()
except NoResultFound:
raise exception.ReplicationControllerNotFound(bay=bay_uuid)
def get_rc_by_name(self, rc_name):
query = model_query(
models.ReplicationController).filter_by(name=rc_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple rcs exist with same name.'
' Please use the rc uuid instead.')
except NoResultFound:
raise exception.ReplicationControllerNotFound(rc=rc_name)
def _do_update_rc(self, rc_id, values):
session = get_session()
with session.begin():
query = model_query(models.ReplicationController, session=session)
query = add_identity_filter(query, rc_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.ReplicationControllerNotFound(rc=rc_id)
ref.update(values)
return ref
def rc_update(self, context, rc_ident, bay_ident, manifest):
LOG.debug("rc_update %s", rc_ident)
# Since bay identifier is specified verify whether its a UUID
# or Name. If name is specified as bay identifier need to extract
# the bay uuid since its needed to get the k8s_api object.
if not utils.is_uuid_like(bay_ident):
bay = objects.Bay.get_by_name(context, bay_ident)
bay_ident = bay.uuid
bay_uuid = bay_ident
self.k8s_api = k8s.create_k8s_api_rc(context, bay_uuid)
if utils.is_uuid_like(rc_ident):
rc = objects.ReplicationController.get_by_uuid(context, rc_ident,
bay_uuid,
self.k8s_api)
else:
rc = objects.ReplicationController.get_by_name(context, rc_ident,
bay_uuid,
self.k8s_api)
try:
resp = self.k8s_api.replace_namespaced_replication_controller(
name=str(rc.name),
body=manifest,
namespace='default')
except rest.ApiException as err:
raise exception.KubernetesAPIFailed(err=err)
if resp is None:
raise exception.ReplicationControllerNotFound(rc=rc.uuid)
rc['uuid'] = resp.metadata.uid
rc['name'] = resp.metadata.name
rc['project_id'] = context.project_id
rc['user_id'] = context.user_id
rc['images'] = [c.image for c in resp.spec.template.spec.containers]
rc['bay_uuid'] = bay_uuid
rc['labels'] = ast.literal_eval(resp.metadata.labels)
rc['replicas'] = resp.status.replicas
return rc
def test_ReplicationControllerNotFound(self):
self.assertRaises(
exception.ReplicationControllerNotFound,
lambda: self.raise_(exception.ReplicationControllerNotFound()))
