57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import jsonschema
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import os
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from bareon import errors
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from bareon.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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def validate(data, schema_file='nailgun'):
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"""Validates a given partition scheme using jsonschema.
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:param scheme: partition scheme to validate
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"""
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base_path = os.path.dirname(__file__)
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schemas_path = os.path.join(base_path, 'json_schemes')
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with open(os.path.join(schemas_path, '%s.json' % schema_file)) as file:
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schema = json.load(file)
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try:
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checker = jsonschema.FormatChecker()
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jsonschema.validate(data, schema,
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format_checker=checker)
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except Exception as exc:
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LOG.exception(exc)
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raise errors.WrongPartitionSchemeError(str(exc))
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# scheme is not valid if the number of disks is 0
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if not [d for d in data if d['type'] == 'disk']:
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raise errors.WrongPartitionSchemeError(
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'Partition scheme seems empty')
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# TODO(lobur): Must be done after unit conversion
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# for space in data:
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# for volume in space.get('volumes', []):
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# if volume['size'] > 16777216 and volume.get('mount') == '/':
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# raise errors.WrongPartitionSchemeError(
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# 'Root file system must be less than 16T')
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# TODO(kozhukalov): need to have additional logical verifications
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# maybe sizes and format of string values
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