76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from nailgun.api.v1.validators.base import BasicValidator
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from nailgun.api.v1.validators.json_schema import role
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from nailgun import errors
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class RoleValidator(BasicValidator):
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@classmethod
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def validate_delete(cls, instance_cls, instance, role_name):
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node = instance_cls.get_node_by_role(instance, role_name)
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if node:
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raise errors.CannotDelete(
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"Can't delete role {} that is assigned "
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"to node {}.".format(role_name, node.id))
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@classmethod
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def validate(cls, data, instance=None):
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parsed = super(RoleValidator, cls).validate(data)
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cls.validate_schema(parsed, role.SCHEMA)
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return parsed
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@classmethod
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def validate_update(cls, data, instance_cls, instance):
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parsed = cls.validate(data, instance=instance)
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tags_meta = instance_cls.get_tags_metadata(instance)
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for tag in parsed.get('meta', {}).get('tags', []):
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if tag not in tags_meta:
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raise errors.InvalidData(
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"Role {} contains non-existent tag {}".format(
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parsed['name'], tag)
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)
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volumes_meta = instance_cls.get_volumes_metadata(instance)
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allowed_ids = [m['id'] for m in volumes_meta.get('volumes', [])]
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missing_volume_ids = []
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for volume in parsed['volumes_roles_mapping']:
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if volume['id'] not in allowed_ids:
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missing_volume_ids.append(volume['id'])
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if missing_volume_ids:
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raise errors.InvalidData(
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"Wrong data in volumes_roles_mapping. Volumes with ids {0} are"
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" not in the list of allowed volumes {1}".format(
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missing_volume_ids, allowed_ids))
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return parsed
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@classmethod
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def validate_create(cls, data, instance_cls, instance):
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parsed = cls.validate_update(data, instance_cls, instance)
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role_name = parsed['name']
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if role_name in instance_cls.get_own_roles(instance):
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raise errors.AlreadyExists(
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"Role with name {} already "
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"exists for {} {}".format(
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role_name, instance_cls.__name__.lower(), instance.id))
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return parsed
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