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# Copyright (c) 2015 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 functools
import os_client_config
import shade
from shade import _utils
class OpenStackInventory(object):
# Put this here so the capability can be detected with hasattr on the class
extra_config = None
def __init__(
self, config_files=None, refresh=False, private=False,
config_key=None, config_defaults=None, cloud=None,
use_direct_get=False):
if config_files is None:
config_files = []
config = os_client_config.config.OpenStackConfig(
config_files=os_client_config.config.CONFIG_FILES + config_files)
self.extra_config = config.get_extra_config(
config_key, config_defaults)
if cloud is None:
self.clouds = [
shade.OpenStackCloud(cloud_config=cloud_config)
for cloud_config in config.get_all_clouds()
]
else:
try:
self.clouds = [
shade.OpenStackCloud(
cloud_config=config.get_one_cloud(cloud))
]
except os_client_config.exceptions.OpenStackConfigException as e:
raise shade.OpenStackCloudException(e)
if private:
for cloud in self.clouds:
cloud.private = True
# Handle manual invalidation of entire persistent cache
if refresh:
for cloud in self.clouds:
cloud._cache.invalidate()
def list_hosts(self, expand=True, fail_on_cloud_config=True):
hostvars = []
for cloud in self.clouds:
try:
# Cycle on servers
for server in cloud.list_servers(detailed=expand):
hostvars.append(server)
except shade.OpenStackCloudException:
# Don't fail on one particular cloud as others may work
if fail_on_cloud_config:
raise
return hostvars
def search_hosts(self, name_or_id=None, filters=None, expand=True):
hosts = self.list_hosts(expand=expand)
return _utils._filter_list(hosts, name_or_id, filters)
def get_host(self, name_or_id, filters=None, expand=True):
if expand:
func = self.search_hosts
else:
func = functools.partial(self.search_hosts, expand=False)
return _utils._get_entity(self, func, name_or_id, filters)
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