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# Copyright 2018 Red Hat, Inc.
#
# 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 json
import os
from unittest import mock
import testtools
from openstack.baremetal import configdrive
class TestPopulateDirectory(testtools.TestCase):
def _check(
self, metadata, user_data=None, network_data=None, vendor_data=None
):
with configdrive.populate_directory(
metadata,
user_data=user_data,
network_data=network_data,
vendor_data=vendor_data,
) as d:
for version in ('2012-08-10', 'latest'):
with open(
os.path.join(d, 'openstack', version, 'meta_data.json')
) as fp:
actual_metadata = json.load(fp)
self.assertEqual(metadata, actual_metadata)
network_data_file = os.path.join(
d, 'openstack', version, 'network_data.json'
)
user_data_file = os.path.join(
d, 'openstack', version, 'user_data'
)
vendor_data_file = os.path.join(
d, 'openstack', version, 'vendor_data2.json'
)
if network_data is None:
self.assertFalse(os.path.exists(network_data_file))
else:
with open(network_data_file) as fp:
self.assertEqual(network_data, json.load(fp))
if vendor_data is None:
self.assertFalse(os.path.exists(vendor_data_file))
else:
with open(vendor_data_file) as fp:
self.assertEqual(vendor_data, json.load(fp))
if user_data is None:
self.assertFalse(os.path.exists(user_data_file))
else:
if isinstance(user_data, str):
user_data = user_data.encode()
with open(user_data_file, 'rb') as fp:
self.assertEqual(user_data, fp.read())
# Clean up in __exit__
self.assertFalse(os.path.exists(d))
def test_without_user_data(self):
self._check({'foo': 42})
def test_with_user_data(self):
self._check({'foo': 42}, b'I am user data')
def test_with_user_data_as_string(self):
self._check({'foo': 42}, 'I am user data')
def test_with_network_data(self):
self._check({'foo': 42}, network_data={'networks': {}})
def test_with_vendor_data(self):
self._check({'foo': 42}, vendor_data={'foo': 'bar'})
@mock.patch('subprocess.Popen', autospec=True)
class TestPack(testtools.TestCase):
def test_no_genisoimage(self, mock_popen):
mock_popen.side_effect = OSError
self.assertRaisesRegex(
RuntimeError, "genisoimage", configdrive.pack, "/fake"
)
def test_genisoimage_fails(self, mock_popen):
mock_popen.return_value.communicate.return_value = b"", b"BOOM"
mock_popen.return_value.returncode = 1
self.assertRaisesRegex(RuntimeError, "BOOM", configdrive.pack, "/fake")
def test_success(self, mock_popen):
mock_popen.return_value.communicate.return_value = b"", b""
mock_popen.return_value.returncode = 0
result = configdrive.pack("/fake")
# Make sure the result is string on all python versions
self.assertIsInstance(result, str)
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