fuel-web/nailgun/nailgun/api/v1/validators/deployment_graph.py

87 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016 Mirantis, Inc.
#
# 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.
from nailgun.api.v1.validators.base import BasicValidator
from nailgun.api.v1.validators.json_schema import deployment_graph as schema
from nailgun import errors
from nailgun import objects
class DeploymentGraphValidator(BasicValidator):
single_schema = schema.DEPLOYMENT_GRAPH_SCHEMA
collection_schema = schema.DEPLOYMENT_GRAPHS_SCHEMA
@classmethod
def validate(cls, data):
parsed = super(DeploymentGraphValidator, cls).validate(data)
cls.check_tasks_duplicates(parsed)
return parsed
@classmethod
def validate_update(cls, data, instance):
parsed = super(DeploymentGraphValidator, cls).validate(data)
cls.validate_schema(
parsed,
cls.single_schema
)
cls.check_tasks_duplicates(parsed)
return parsed
@classmethod
def check_tasks_duplicates(cls, parsed):
tasks = parsed.get('tasks', [])
ids = set()
dup = set()
for task in tasks:
if task['id'] in ids:
dup.add(task['id'])
else:
ids.add(task['id'])
if dup:
raise errors.InvalidData(
"Tasks duplication found: {0}".format(
', '.join(sorted(dup)))
)
class GraphExecuteParamsValidator(BasicValidator):
single_schema = schema.GRAPH_EXECUTE_PARAMS_SCHEMA
@classmethod
def validate(cls, data):
parsed = cls.validate_json(data)
cls.validate_schema(parsed, cls.single_schema)
nodes_to_check = set()
for graph in parsed['graphs']:
nodes_to_check.update(graph.get('nodes') or [])
if nodes_to_check:
cls.validate_nodes(nodes_to_check, parsed['cluster'])
return parsed
@classmethod
def validate_nodes(cls, ids, cluster_id):
nodes = objects.NodeCollection.filter_by(None, cluster_id=cluster_id)
nodes = objects.NodeCollection.filter_by_list(nodes, 'id', ids)
if nodes.count() != len(ids):
raise errors.InvalidData(
'Nodes {} do not belong to the same cluster {}'
.format(', '.join(ids), cluster_id)
)