blob: a61f7cabc4b31df3c4b44a86552282f0b457502b [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import ast
def xproto_check_synchronizer(m):
try:
sync_step_path = 'synchronizer/steps/sync_%s.py'%m['name'].lower()
sync_step = open(sync_step_path).read()
except IOError:
return '510 Model needs a sync step %s'%sync_step_path
try:
sync_step_ast = ast.parse(sync_step)
except SyntaxError:
return '511 Could not parse sync step %s'%sync_step_path
classes = filter(lambda x:isinstance(x, ast.ClassDef), sync_step_ast.body)
found_sync_step_class = False
for c in classes:
base_names = [v.id for v in c.bases]
if 'SyncStep' in base_names or 'SyncInstanceUsingAnsible' in base_names:
attributes = filter(lambda x:isinstance(x, ast.Assign), c.body)
for a in attributes:
target_names = [t.id for t in a.targets]
values = a.value.elts if isinstance(a.value, ast.List) else [a.value]
value_names = [v.id for v in values]
if 'observes' in target_names and m['name'] in value_names:
found_sync_step_class = True
break
if not found_sync_step_class:
return '512 Synchronizer needs a sync step class with an observes field containing %s'%m['name']
else:
return '200 OK'
def xproto_check_policy(m):
try:
model_policy_path = 'synchronizer/model_policies/model_policy_%s.py'%m['name'].lower()
model_policy = open(model_policy_path).read()
except IOError:
return '510 Model needs a model policy %s'%model_policy_path
try:
model_policy_ast = ast.parse(model_policy)
except SyntaxError:
return '511 Could not parse sync step %s'%model_policy_path
classes = filter(lambda x:isinstance(x, ast.ClassDef), model_policy_ast.body)
found_model_policy_class = False
for c in classes:
base_names = [v.id for v in c.bases]
if 'Policy' in base_names or 'TenantWithContainerPolicy' in base_names:
found_model_policy_class = True
break
if not found_model_policy_class:
return '513 Synchronizer needs a model policy class'
else:
return '200 OK'