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# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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.
import json
import os
from oslo_config import cfg
from oslo_log import log
from os_collect_config import exc
HEAT_METADATA_PATH = ['/var/lib/heat-cfntools/cfn-init-data']
CONF = cfg.CONF
opts = [
cfg.MultiStrOpt('path',
default=HEAT_METADATA_PATH,
help='Local path(s) to read for Metadata.')
]
name = 'heat_local'
logger = log.getLogger(__name__)
class Collector(object):
def __init__(self, requests_impl=None):
pass
def collect(self):
final_content = None
for path in cfg.CONF.heat_local.path:
if os.path.exists(path):
with open(path) as metadata:
try:
value = json.loads(metadata.read())
except ValueError as e:
logger.info('%s is not valid JSON (%s)' % (path, e))
continue
if final_content:
final_content.update(value)
else:
final_content = value
if not final_content:
logger.info('Local metadata not found (%s)' %
cfg.CONF.heat_local.path)
raise exc.HeatLocalMetadataNotAvailable
return [('heat_local', final_content)]