tempest/api/object_storage/base.py

# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
#    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.

from tempest_lib import exceptions as lib_exc

from tempest.api.identity import base
from tempest import clients
from tempest.common import credentials
from tempest.common import custom_matchers
from tempest import config
import tempest.test

CONF = config.CONF


class BaseObjectTest(tempest.test.BaseTestCase):

    @classmethod
    def skip_checks(cls):
        super(BaseObjectTest, cls).skip_checks()
        if not CONF.service_available.swift:
            skip_msg = ("%s skipped as swift is not available" % cls.__name__)
            raise cls.skipException(skip_msg)

    @classmethod
    def setup_credentials(cls):
        cls.set_network_resources()
        super(BaseObjectTest, cls).setup_credentials()

        cls.isolated_creds = credentials.get_isolated_credentials(
            cls.__name__, network_resources=cls.network_resources)
        # Get isolated creds for normal user
        cls.os = clients.Manager(cls.isolated_creds.get_primary_creds())
        # Get isolated creds for admin user
        cls.os_admin = clients.Manager(cls.isolated_creds.get_admin_creds())
        cls.data = SwiftDataGenerator(cls.os_admin.identity_client)
        # Get isolated creds for alt user
        cls.os_alt = clients.Manager(cls.isolated_creds.get_alt_creds())

    @classmethod
    def setup_clients(cls):
        super(BaseObjectTest, cls).setup_clients()

        cls.object_client = cls.os.object_client
        cls.container_client = cls.os.container_client
        cls.account_client = cls.os.account_client
        cls.token_client = cls.os_admin.token_client
        cls.identity_admin_client = cls.os_admin.identity_client
        cls.object_client_alt = cls.os_alt.object_client
        cls.container_client_alt = cls.os_alt.container_client
        cls.identity_client_alt = cls.os_alt.identity_client

    @classmethod
    def resource_setup(cls):
        super(BaseObjectTest, cls).resource_setup()

        # Make sure we get fresh auth data after assigning swift role
        cls.object_client.auth_provider.clear_auth()
        cls.container_client.auth_provider.clear_auth()
        cls.account_client.auth_provider.clear_auth()
        cls.object_client_alt.auth_provider.clear_auth()
        cls.container_client_alt.auth_provider.clear_auth()

    @classmethod
    def resource_cleanup(cls):
        cls.data.teardown_all()
        cls.isolated_creds.clear_isolated_creds()
        super(BaseObjectTest, cls).resource_cleanup()

    @classmethod
    def delete_containers(cls, containers, container_client=None,
                          object_client=None):
        """Remove given containers and all objects in them.

        The containers should be visible from the container_client given.
        Will not throw any error if the containers don't exist.
        Will not check that object and container deletions succeed.

        :param containers: list of container names to remove
        :param container_client: if None, use cls.container_client, this means
            that the default testing user will be used (see 'username' in
            'etc/tempest.conf')
        :param object_client: if None, use cls.object_client
        """
        if container_client is None:
            container_client = cls.container_client
        if object_client is None:
            object_client = cls.object_client
        for cont in containers:
            try:
                objlist = container_client.list_all_container_objects(cont)
                # delete every object in the container
                for obj in objlist:
                    try:
                        object_client.delete_object(cont, obj['name'])
                    except lib_exc.NotFound:
                        pass
                container_client.delete_container(cont)
            except lib_exc.NotFound:
                pass

    def assertHeaders(self, resp, target, method):
        """
        Common method to check the existence and the format of common response
        headers
        """
        self.assertThat(resp, custom_matchers.ExistsAllResponseHeaders(
                        target, method))
        self.assertThat(resp, custom_matchers.AreAllWellFormatted())


class SwiftDataGenerator(base.DataGenerator):

    def setup_test_user(self, reseller=False):
        super(SwiftDataGenerator, self).setup_test_user()
        if reseller:
            role_name = CONF.object_storage.reseller_admin_role
        else:
            role_name = CONF.object_storage.operator_role
        role_id = self._get_role_id(role_name)
        self._assign_role(role_id)

    def _get_role_id(self, role_name):
        try:
            roles = self.client.list_roles()
            return next(r['id'] for r in roles if r['name'] == role_name)
        except StopIteration:
            msg = "Role name '%s' is not found" % role_name
            raise lib_exc.NotFound(msg)

    def _assign_role(self, role_id):
        self.client.assign_user_role(self.tenant['id'],
                                     self.user['id'],
                                     role_id)