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#
# 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 os
import subprocess
import time
import fixtures
import testtools
script_path = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
'../os_refresh_config.py')
class TestCmd(testtools.TestCase):
def setUp(self):
super(TestCmd, self).setUp()
self.assertTrue(os.path.exists(script_path))
self.useFixture(fixtures.NestedTempfile())
self.base_dir = self.useFixture(fixtures.TempDir())
self.lockdir = self.useFixture(fixtures.TempDir())
self.lockfile = os.path.join(self.lockdir.path, 'lock')
def _run_cmd(self, args, env={}, input_str=None):
subproc = subprocess.Popen(args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env)
stdout, stderr = subproc.communicate(input=input_str)
return (subproc.returncode,
stdout.decode('utf-8'),
stderr.decode('utf-8'))
def _run_orc(self, *args):
cmd_env = {
'OS_REFRESH_CONFIG_BASE_DIR': self.base_dir.path,
'PATH': os.environ.get('PATH')
}
cmd_args = [
script_path,
'--lockfile', self.lockfile
]
if args:
cmd_args.extend(args)
return self._run_cmd(cmd_args, cmd_env)
def _write_script(self, phase, name, returncode=0, sleep=0):
phase_dir_name = '%s.d' % phase
phase_dir = self.base_dir.join(phase_dir_name)
if not os.path.exists(phase_dir):
os.mkdir(phase_dir)
script_path = self.base_dir.join(phase_dir_name, name)
script_dict = {
'name': name,
'returncode': returncode,
'sleep': sleep
}
with open(script_path, 'w') as f:
f.write('''#!/bin/sh
echo %(name)s starting
sleep %(sleep)s
echo %(name)s done
exit %(returncode)s
''' % script_dict)
os.chmod(script_path, 0o755)
def test_cmd(self):
returncode, stdout, stderr = self._run_orc()
self.assertEqual(0, returncode)
self.assertEqual('', stdout)
self.assertEqual('', stderr)
def test_cmd_with_scripts(self):
self._write_script('pre-configure', '10-pre-first', 0, 0)
self._write_script('pre-configure', '20-pre-second', 0, 1)
self._write_script('configure', '10-conf-first', 0, 0)
self._write_script('configure', '20-conf-second', 0, 1)
self._write_script('post-configure', '10-post-first', 0, 0)
self._write_script('post-configure', '20-post-second', 0, 1)
now = time.time()
returncode, stdout, stderr = self._run_orc()
# check run time accounts for the 3 seconds of sleep
self.assertTrue(time.time() - now >= 3.0)
self.assertEqual('\n'.join([
'10-pre-first starting',
'10-pre-first done',
'20-pre-second starting',
'20-pre-second done',
'10-conf-first starting',
'10-conf-first done',
'20-conf-second starting',
'20-conf-second done',
'10-post-first starting',
'10-post-first done',
'20-post-second starting',
'20-post-second done',
'',
]), stdout)
self.assertEqual(0, returncode)
def test_cmd_with_failure(self):
self._write_script('pre-configure', '10-pre-first', 0)
self._write_script('pre-configure', '20-pre-second', 99)
self._write_script('configure', '10-conf-first', 0)
returncode, stdout, stderr = self._run_orc()
self.assertEqual('\n'.join([
'10-pre-first starting',
'10-pre-first done',
'20-pre-second starting',
'20-pre-second done',
'',
]), stdout)
self.assertEqual(1, returncode)
def test_cmd_with_timeout(self):
self._write_script('pre-configure', '10-pre-first', 0, 5)
self._write_script('pre-configure', '20-pre-second', 0, 5)
self._write_script('configure', '10-conf-first', 0, 5)
now = time.time()
returncode, stdout, stderr = self._run_orc('--timeout', '2',
'--log-level', 'DEBUG')
# check run time accounts for the 2 seconds timeout
self.assertTrue(time.time() - now >= 2.0)
self.assertEqual('\n'.join([
'10-pre-first starting',
'',
]), stdout)
self.assertEqual(1, returncode)
def test_debug(self):
returncode, stdout, stderr = self._run_orc('--log-level', 'DEBUG')
self.assertEqual('', stdout)
self.assertNotEqual('', stderr)
self.assertEqual(0, returncode)
def test_print_phases(self):
returncode, stdout, stderr = self._run_orc('--print-phases')
self.assertEqual(
'pre-configure\tconfigure\tpost-configure\tmigration\n',
stdout
)
self.assertEqual('', stderr)
self.assertEqual(0, returncode)
def test_print_base(self):
returncode, stdout, stderr = self._run_orc('--print-base')
self.assertEqual('%s\n' % self.base_dir.path, stdout)
self.assertEqual('', stderr)
self.assertEqual(0, returncode)
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