heat-agents/tests/test_hook_apply_config.py

81 lines
2.6 KiB
Python

#
# 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 fixtures
import json
import logging
import os
import tempfile
import yaml
from tests import common
log = logging.getLogger('test_hook_apply_config')
class HookApplyConfigTest(common.RunScriptTest):
data = {
'id': 'test_apply_config',
'name': 'fake_resource_name',
'group': 'apply-config',
'config': {'foo': 'bar'}
}
def setUp(self):
super(HookApplyConfigTest, self).setUp()
self.hook_path = self.relative_path(
__file__,
'..',
'heat-config-apply-config/install.d/hook-apply-config.py')
self.metadata_dir = self.useFixture(fixtures.TempDir())
self.templates_dir = self.useFixture(fixtures.TempDir())
tmp_dir = tempfile.NamedTemporaryFile(mode='w', delete=False).name
os.unlink(tmp_dir)
self.tmp_file = os.path.basename(tmp_dir)
self.out_dir = self.templates_dir.join('tmp')
self.metadata = self.metadata_dir.join(self.tmp_file)
self.env = os.environ.copy()
self.env.update({
'OS_CONFIG_FILES': self.metadata,
'OS_CONFIG_APPLIER_TEMPLATES': self.templates_dir.join(),
})
# our fake metadata file
with open(self.metadata, "w+") as md:
md.write(json.dumps({'foo': 'bar'}))
# This is our fake template root we use to verify os-apply-config
# works as expected
os.mkdir(self.out_dir)
with open(os.path.join(self.out_dir, self.tmp_file), "w+") as template:
template.write("foo={{foo}}")
def test_hook(self):
returncode, stdout, stderr = self.run_cmd(
[self.hook_path], self.env, json.dumps(self.data))
self.assertEqual(0, returncode, stderr)
ret = yaml.safe_load(stdout)
self.assertIsNotNone(ret['deploy_stderr'])
self.assertEqual('', ret['deploy_stdout'])
self.assertEqual(0, ret['deploy_status_code'])
f = os.path.join('/tmp', self.tmp_file)
with open(f) as out_file:
self.assertEqual('foo=bar', out_file.read())
os.unlink(f)