#
#    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 heat.common import template_format
from heat.engine.clients.os import glance
from heat.engine.clients.os import nova
from heat.engine.resources.aws.ec2 import instance as instances
from heat.engine import scheduler
from heat.tests import common
from heat.tests.openstack.nova import fakes as fakes_nova
from heat.tests import utils


nokey_template = '''
{
  "AWSTemplateFormatVersion" : "2010-09-09",
  "Description" : "NoKey Test",
  "Parameters" : {},
  "Resources" : {
    "WebServer": {
      "Type": "AWS::EC2::Instance",
      "Properties": {
        "ImageId" : "foo",
        "InstanceType"   : "m1.large",
        "UserData"       : "some data"
      }
    }
  }
}
'''


class NoKeyTest(common.HeatTestCase):

    def test_nokey_create(self):
        stack_name = 's_nokey'
        t = template_format.parse(nokey_template)
        stack = utils.parse_stack(t, stack_name=stack_name)

        resource_defns = stack.t.resource_definitions(stack)
        instance = instances.Instance('create_instance_name',
                                      resource_defns['WebServer'], stack)
        # need to resolve the template functions
        metadata = instance.metadata_get()
        server_userdata = instance.client_plugin().build_userdata(
            metadata,
            instance.properties['UserData'],
            'ec2-user')

        fc = fakes_nova.FakeClient()
        self.patchobject(nova.NovaClientPlugin, 'client',
                         return_value=fc)
        self.patchobject(glance.GlanceClientPlugin, 'find_image_by_name_or_id',
                         return_value=1234)
        self.patchobject(nova.NovaClientPlugin, 'build_userdata',
                         return_value=server_userdata)

        self.patchobject(fc.servers, 'create',
                         return_value=fc.servers.list()[1])

        scheduler.TaskRunner(instance.create)()

        fc.servers.create.assert_called_once_with(
            image=1234, flavor=3, key_name=None,
            name=utils.PhysName(stack_name, instance.name),
            security_groups=None, userdata=server_userdata,
            scheduler_hints=None, meta=None, nics=None, availability_zone=None,
            block_device_mapping=None)