80 lines
3.5 KiB
Python
80 lines
3.5 KiB
Python
# Copyright (c) 2013 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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import os
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import yaml
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from oslo.config import cfg
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import logging as log
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from muranorepository.manifest import Manifest
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from muranorepository.consts import DATA_TYPES, MANIFEST
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CONF = cfg.CONF
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class ManifestParser(object):
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def __init__(self, manifest_directory):
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self.manifest_directory = manifest_directory
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def parse(self):
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manifests = []
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for file in os.listdir(self.manifest_directory):
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manifest_file = os.path.join(self.manifest_directory, file)
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if os.path.isfile(manifest_file):
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if not file.endswith(".yaml"):
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log.warning("Extension of {0} file is not yaml. "
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"Only yaml file supported for "
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"service manifest files.".format(file))
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continue
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try:
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with open(manifest_file) as stream:
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service_manifest_data = yaml.load(stream)
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except yaml.YAMLError, exc:
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log.warn("Failed to load manifest file. {0}. "
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"The reason: {1!s}".format(manifest_file,
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exc))
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continue
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#check files specified in manifests for existence
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for key, value in service_manifest_data.iteritems():
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valid_file_info = True
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if key in DATA_TYPES:
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if key != MANIFEST:
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root_directory = os.path.join(CONF.manifests,
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getattr(CONF, key))
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else:
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root_directory = CONF.manifests
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if not isinstance(value, list):
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log.error("{0} section should represent a file"
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" listing in manifest {1}"
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"".format(root_directory, file))
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valid_file_info = False
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continue
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for filename in value:
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absolute_path = os.path.join(root_directory,
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filename)
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if not os.path.exists(absolute_path):
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valid_file_info = False
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log.warning(
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"File {0} specified in manifest {1} "
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"doesn't exist at {2}".format(filename,
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file,
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absolute_path
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))
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service_manifest_data["valid"] = valid_file_info
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manifests.append(Manifest(service_manifest_data))
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return manifests
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