833635dd57
This causes the values to be evaluated at import time, which makes it harder to import such modules in functional tests. Change-Id: I1fc69058f737ef3ab9e703968d05a2d77fc57fdb
149 lines
5.2 KiB
Python
149 lines
5.2 KiB
Python
# 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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# Mostly copied from ironic/common/swift.py
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import json
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import openstack
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from openstack import exceptions as os_exc
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from oslo_config import cfg
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from ironic_inspector.common.i18n import _
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from ironic_inspector.common import keystone
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from ironic_inspector import utils
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CONF = cfg.CONF
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OBJECT_NAME_PREFIX = 'inspector_data'
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SWIFT_SESSION = None
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def reset_swift_session():
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"""Reset the global session variable.
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Mostly useful for unit tests.
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"""
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global SWIFT_SESSION
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SWIFT_SESSION = None
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class SwiftAPI(object):
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"""API for communicating with Swift."""
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def __init__(self):
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"""Constructor for creating a SwiftAPI object.
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Authentification is loaded from config file.
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"""
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global SWIFT_SESSION
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try:
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if not SWIFT_SESSION:
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SWIFT_SESSION = keystone.get_session('swift')
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self.connection = openstack.connection.Connection(
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session=SWIFT_SESSION,
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oslo_conf=CONF).object_store
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except Exception as exc:
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raise utils.Error(_("Could not connect to the object storage "
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"service: %s") % exc)
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def create_object(self, object, data, container=None, headers=None):
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"""Uploads a given string to Swift.
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:param object: The name of the object in Swift
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:param data: string data to put in the object
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:param container: The name of the container for the object.
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Defaults to the value set in the configuration options.
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:param headers: the headers for the object to pass to Swift
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:returns: The Swift UUID of the object
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:raises: utils.Error, if any operation with Swift fails.
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"""
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container = container or CONF.swift.container
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try:
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self.connection.create_container(container)
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except os_exc.SDKException as e:
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err_msg = (_('Swift failed to create container %(container)s. '
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'Error was: %(error)s') %
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{'container': container, 'error': e})
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raise utils.Error(err_msg)
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if CONF.swift.delete_after > 0:
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headers = headers or {}
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headers['X-Delete-After'] = CONF.swift.delete_after
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try:
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obj_uuid = self.connection.create_object(
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container, object, data=data, headers=headers)
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except os_exc.SDKException as e:
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err_msg = (_('Swift failed to create object %(object)s in '
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'container %(container)s. Error was: %(error)s') %
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{'object': object, 'container': container, 'error': e})
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raise utils.Error(err_msg)
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return obj_uuid
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def get_object(self, object, container=None):
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"""Downloads a given object from Swift.
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:param object: The name of the object in Swift
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:param container: The name of the container for the object.
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Defaults to the value set in the configuration options.
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:returns: Swift object
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:raises: utils.Error, if the Swift operation fails.
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"""
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container = container or CONF.swift.container
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try:
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obj = self.connection.download_object(object, container=container)
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except os_exc.SDKException as e:
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err_msg = (_('Swift failed to get object %(object)s in '
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'container %(container)s. Error was: %(error)s') %
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{'object': object, 'container': container, 'error': e})
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raise utils.Error(err_msg)
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return obj
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def store_introspection_data(data, uuid, suffix=None):
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"""Uploads introspection data to Swift.
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:param data: data to store in Swift
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:param uuid: UUID of the Ironic node that the data came from
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:param suffix: optional suffix to add to the underlying swift
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object name
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:returns: name of the Swift object that the data is stored in
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"""
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swift_api = SwiftAPI()
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swift_object_name = '%s-%s' % (OBJECT_NAME_PREFIX, uuid)
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if suffix is not None:
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swift_object_name = '%s-%s' % (swift_object_name, suffix)
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swift_api.create_object(swift_object_name, json.dumps(data))
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return swift_object_name
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def get_introspection_data(uuid, suffix=None):
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"""Downloads introspection data from Swift.
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:param uuid: UUID of the Ironic node that the data came from
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:param suffix: optional suffix to add to the underlying swift
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object name
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:returns: Swift object with the introspection data
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"""
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swift_api = SwiftAPI()
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swift_object_name = '%s-%s' % (OBJECT_NAME_PREFIX, uuid)
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if suffix is not None:
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swift_object_name = '%s-%s' % (swift_object_name, suffix)
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return swift_api.get_object(swift_object_name)
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