def hosts_get_by_region(context, region_id, filters):
"""Get all hosts for this region.
:param region_id: ID for the region
:param filters: filters wich contains differnt keys/values to match.
Supported filters are by name, ip_address, id and cell_id.
"""
host_devices = with_polymorphic(models.Device, [models.Host])
query = model_query(context, host_devices, project_only=True)
query = query.filter_by(region_id=region_id)
if "name" in filters:
query = query.filter_by(name=filters["name"])
if "ip_address" in filters:
query = query.filter_by(ip_address=filters["ip_address"])
if "id" in filters:
query = query.filter_by(id=filters["id"])
if "cell" in filters:
query = query.filter_by(cell_id=filters["cell"])
if "device_type" in filters:
query = query.filter_by(device_type=filters["device_type"])
try:
result = query.all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
return result
def regions_get_all(context):
"""Get all available regions."""
query = model_query(context, models.Region, project_only=True)
try:
return query.all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def regions_get_by_id(context, region_id):
"""Get cell detail for the region with given id."""
query = model_query(context, models.Region, project_only=True)
query = query.filter_by(id=region_id)
try:
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def cells_get_by_id(context, cell_id):
"""Get cell details given for a given cell id."""
try:
query = model_query(context, models.Cell).\
filter_by(id=cell_id)
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def clouds_get_by_id(context, cloud_id):
"""Get cell detail for the cloud with given id."""
query = model_query(context, models.Cloud, project_only=True)
query = query.filter_by(id=cloud_id)
try:
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def cells_get_by_name(context, region_id, cell_id):
"""Get cell details given for a given cell in a region."""
try:
query = model_query(context, models.Cell).\
filter_by(region_id=region_id).\
filter_by(name=cell_id)
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def projects_get_all(context):
"""Get all the projects."""
query = model_query(context, models.Project)
try:
return query.all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def projects_get_by_name(context, project_name):
"""Get all projects that match the given name."""
query = model_query(context, models.Project)
query = query.filter(models.Project.name.like(project_name))
try:
return query.all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def get_user_info(context, username):
"""Get user info."""
query = model_query(context, models.User, project_only=True)
query = query.filter_by(username=username)
try:
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def projects_get_by_id(context, project_id):
"""Get project by its id."""
query = model_query(context, models.Project)
query = query.filter_by(id=project_id)
try:
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def net_interfaces_get_by_id(context, interface_id):
"""Get a given network interface by its id."""
query = model_query(context, models.NetInterface, project_only=True)
query = query.filter_by(id=interface_id)
try:
result = query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
return result
def cells_get_all(context, region):
"""Get all cells."""
query = model_query(context, models.Cell, project_only=True)
if region is not None:
query = query.filter_by(region_id=region)
try:
return query.all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def users_get_by_id(context, user_id):
"""Get user by its id."""
if is_admin_context(context):
query = model_query(context, models.User)
else:
query = model_query(context, models.User, project_only=True)
query = query.filter_by(id=user_id)
try:
return query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
def netdevices_get_by_id(context, netdevice_id):
"""Get a given network device by its id."""
devices = with_polymorphic(models.Device, [models.NetDevice])
query = model_query(context, devices, project_only=True)
query = query.filter_by(type='net_devices')
query = query.filter_by(id=netdevice_id)
try:
result = query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
return result
def projects_get_by_name(context, project_name, filters, pagination_params):
"""Get all projects that match the given name."""
query = model_query(context, models.Project)
query = query.filter(models.Project.name.like(project_name))
if "vars" in filters:
query = add_var_filters_to_query(query, filters)
try:
return _paginate(context, query, models.Project, session, filters,
pagination_params)
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
def _paginate(context,
query,
model,
session,
filters,
pagination_params,
project_only=False):
# NOTE(sigmavirus24) Retrieve the instance of the model represented by the
# marker.
try:
marker = _marker_from(context, session, model,
pagination_params['marker'], project_only)
except sa_exc.NoResultFound:
raise exceptions.BadRequest(message='Marker "{}" does not exist'.
format(pagination_params['marker']))
except Exception as err:
raise exceptions.UnknownException(message=err)
filters.setdefault('sort_keys', ['created_at', 'id'])
filters.setdefault('sort_dir', 'asc')
# Retrieve the results based on the marker and the limit
try:
results = db_utils.paginate_query(
query,
model,
limit=pagination_params['limit'],
sort_keys=filters['sort_keys'],
sort_dir=filters['sort_dir'],
marker=marker,
).all()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
except db_exc.InvalidSortKey as invalid_key:
raise exceptions.BadRequest(
message='"{}" is an invalid sort key'.format(invalid_key.key))
except Exception as err:
raise exceptions.UnknownException(message=err)
try:
links = _link_params_for(
query,
model,
filters,
pagination_params,
marker,
results,
)
except Exception as err:
raise exceptions.UnknownException(message=err)
return results, links
def hosts_get_by_id(context, host_id):
"""Get details for the host with given id."""
host_devices = with_polymorphic(models.Device, '*')
query = model_query(context, host_devices, project_only=True).\
filter_by(id=host_id)
try:
result = query.one()
LOG.info("Result by host id %s" % result)
except sa_exc.NoResultFound:
LOG.error("No result found for host with id %s" % host_id)
raise exceptions.NotFound()
except Exception as err:
raise exceptions.UnknownException(message=err)
return result
def _device_labels_update(context, device_type, device_id, labels):
"""Update labels for the given device. Add the label if it is not present
in host labels list, otherwise do nothing."""
session = get_session()
with session.begin():
devices = with_polymorphic(models.Device, '*')
query = model_query(context, devices, session=session,
project_only=True)
query = query.filter_by(type=device_type)
query = query.filter_by(id=device_id)
try:
device = query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
device.labels.update(labels["labels"])
device.save(session)
return device
def _device_labels_delete(context, device_type, device_id, labels):
"""Delete labels from the device labels list if it matches
the given label in the query, otherwise do nothing."""
session = get_session()
with session.begin():
devices = with_polymorphic(models.Device, '*')
query = model_query(context, devices, session=session,
project_only=True)
query = query.filter_by(type=device_type)
query = query.filter_by(id=device_id)
try:
device = query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
for label in labels["labels"]:
device.labels.discard(label)
device.save(session)
return device
def hosts_data_update(context, host_id, data):
"""
Update existing host variables or create when its not present.
"""
session = get_session()
with session.begin():
host_devices = with_polymorphic(models.Device, '*')
query = model_query(context, host_devices, session=session,
project_only=True)
query = query.filter_by(id=host_id)
try:
host_ref = query.with_lockmode('update').one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
for key in data:
host_ref.variables[key] = data[key]
return host_ref
def hosts_data_delete(context, host_id, data):
"""Delete the existing key (variable) from region data."""
session = get_session()
with session.begin():
host_devices = with_polymorphic(models.Device, '*')
query = model_query(context, host_devices, session=session,
project_only=True)
query = query.filter_by(id=host_id)
try:
host_ref = query.with_lockmode('update').one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
for key in data:
try:
del host_ref.variables[data[key]]
except KeyError:
pass
return host_ref
def resource_get_by_id(
context, resources, resource_id, session=None, for_update=False
):
"""Get resource for the unique resource id."""
model = _get_resource_model(resources)
query = model_query(context, model, project_only=True, session=session)
if resources in ("hosts", "network-devices"):
query = query.filter_by(type=resources.replace("-", "_"))
query = query.filter_by(id=resource_id)
if for_update:
query = query.with_for_update()
try:
resource = query.one()
except sa_exc.NoResultFound:
raise exceptions.NotFound()
else:
return resource
def test_get_cell_no_exist_by_name_fails(self, mock_cell):
err = exceptions.NotFound()
mock_cell.side_effect = err
resp = self.get('v1/cells?region=1&name=dontexist')
self.assertEqual(404, resp.status_code)
def test_get_cells_by_bad_id_is_404(self, mock_cells):
mock_cells.side_effect = exceptions.NotFound()
resp = self.get('v1/cells/3')
self.assertEqual(404, resp.status_code)
def test_get_networks_by_non_existing_region_raises404(self, fake_network):
fake_network.side_effect = exceptions.NotFound()
resp = self.get('/v1/networks?region_id=5')
self.assertEqual(404, resp.status_code)
def test_get_host_by_non_existing_region_raises404(self, fake_hosts):
fake_hosts.side_effect = exceptions.NotFound()
resp = self.get('/v1/hosts?region=5')
self.assertEqual(404, resp.status_code)
def test_get_hosts_by_bad_id_is_404(self, mock_hosts):
mock_hosts.side_effect = exceptions.NotFound()
resp = self.get('v1/hosts/1')
self.assertEqual(404, resp.status_code)
def test_get_region_no_exist_by_name_fails(self, mock_regions):
mock_regions.side_effect = exceptions.NotFound()
resp = self.get('v1/regions?name=bla')
self.assertEqual(404, resp.status_code)
