# Copyright 2016 Red Hat
# 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 oslo_log import log as logging
from tempest.api.compute import base
from tempest.common.utils import data_utils
from tempest.common import waiters
from tempest import config


CONF = config.CONF
LOG = logging.getLogger(__name__)


class BaseTest(base.BaseV2ComputeAdminTest):

    def _create_nova_flavor(self, name, ram, vcpus, disk, fid):
        # This function creates a flavor with provided parameters
        flavor = self.flvclient.create_flavor(name=name,
                                              ram=ram,
                                              vcpus=vcpus,
                                              disk=disk,
                                              id=fid)['flavor']
        return flavor

    def _create_nova_instance(self, flavor=None, image=None, cleanup=True):
        if flavor is None:
            flavor = CONF.compute.flavor_ref
        if image is None:
            image = CONF.compute.image_ref

        name = data_utils.rand_name("instance")
        net_id = CONF.network.public_network_id
        networks = [{'uuid': net_id}]
        server = self.servers_client.create_server(name=name,
                                                   imageRef=image,
                                                   flavorRef=flavor,
                                                   networks=networks)['server']
        server_id = server['id']

        if cleanup:
            self.addCleanup(self.servers_client.delete_server, server_id)

        waiters.wait_for_server_status(self.servers_client, server_id,
                                       'ACTIVE')
        return server_id