103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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
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# 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 locale
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import os
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import stat
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from oslo_config import cfg
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from oslo_log import log
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from os_collect_config import exc
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LOCAL_DEFAULT_PATHS = ['/var/lib/os-collect-config/local-data']
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CONF = cfg.CONF
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opts = [
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cfg.MultiStrOpt('path',
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default=LOCAL_DEFAULT_PATHS,
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help='Local directory to scan for Metadata files.')
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]
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name = 'local'
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logger = log.getLogger(__name__)
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def _dest_looks_insecure(local_path):
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'''We allow group writable so owner can let others write.'''
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looks_insecure = False
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uid = os.getuid()
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st = os.stat(local_path)
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if uid != st[stat.ST_UID]:
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logger.error('%s is owned by another user. This is a'
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' security risk.' % local_path)
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looks_insecure = True
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if st.st_mode & stat.S_IWOTH:
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logger.error('%s is world writable. This is a security risk.'
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% local_path)
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looks_insecure = True
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return looks_insecure
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class Collector(object):
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def __init__(self, requests_impl=None):
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pass
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def collect(self):
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if len(cfg.CONF.local.path) == 0:
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raise exc.LocalMetadataNotAvailable
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final_content = []
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for local_path in cfg.CONF.local.path:
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try:
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os.stat(local_path)
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except OSError:
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logger.warn("%s not found. Skipping", local_path)
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continue
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if _dest_looks_insecure(local_path):
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raise exc.LocalMetadataNotAvailable
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for data_file in os.listdir(local_path):
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if data_file.startswith('.'):
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continue
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data_file = os.path.join(local_path, data_file)
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if os.path.isdir(data_file):
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continue
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st = os.stat(data_file)
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if st.st_mode & stat.S_IWOTH:
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logger.error(
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'%s is world writable. This is a security risk.' %
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data_file)
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raise exc.LocalMetadataNotAvailable
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with open(data_file) as metadata:
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try:
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value = json.loads(metadata.read())
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except ValueError as e:
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logger.error(
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'%s is not valid JSON (%s)' % (data_file, e))
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raise exc.LocalMetadataNotAvailable
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basename = os.path.basename(data_file)
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final_content.append((basename, value))
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if not final_content:
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logger.info('No local metadata found (%s)' %
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cfg.CONF.local.path)
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# Now sort specifically by C locale
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def locale_aware_by_first_item(data):
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return locale.strxfrm(data[0])
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save_locale = locale.getdefaultlocale()
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locale.setlocale(locale.LC_ALL, 'C')
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sorted_content = sorted(final_content, key=locale_aware_by_first_item)
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locale.setlocale(locale.LC_ALL, save_locale)
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return sorted_content
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