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# Copyright 2016 Microsoft Corporation
#
# 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.
#
# Requires Python 2.4+ and Openssl 1.0+
#
import signal
import tempfile
import azurelinuxagent.common.utils.fileutil as fileutil
from azurelinuxagent.pa.deprovision import get_deprovision_handler
from azurelinuxagent.pa.deprovision.default import DeprovisionHandler
from tests.tools import *
class TestDeprovision(AgentTestCase):
@patch('signal.signal')
@patch('azurelinuxagent.common.osutil.get_osutil')
@patch('azurelinuxagent.common.protocol.get_protocol_util')
@patch('azurelinuxagent.pa.deprovision.default.read_input')
def test_confirmation(self,
mock_read, mock_protocol, mock_util, mock_signal):
dh = DeprovisionHandler()
dh.setup = Mock()
dh.setup.return_value = ([], [])
dh.do_actions = Mock()
# Do actions if confirmed
mock_read.return_value = "y"
dh.run()
self.assertEqual(1, dh.do_actions.call_count)
# Skip actions if not confirmed
mock_read.return_value = "n"
dh.run()
self.assertEqual(1, dh.do_actions.call_count)
# Do actions if forced
mock_read.return_value = "n"
dh.run(force=True)
self.assertEqual(2, dh.do_actions.call_count)
@patch("azurelinuxagent.pa.deprovision.default.DeprovisionHandler.cloud_init_dirs")
@patch("azurelinuxagent.pa.deprovision.default.DeprovisionHandler.cloud_init_files")
def test_del_cloud_init_without_once(self,
mock_files,
mock_dirs):
deprovision_handler = get_deprovision_handler("","","")
deprovision_handler.del_cloud_init([], [],
include_once=False, deluser=False)
mock_dirs.assert_called_with(include_once=False)
mock_files.assert_called_with(include_once=False, deluser=False)
@patch("signal.signal")
@patch("azurelinuxagent.common.protocol.get_protocol_util")
@patch("azurelinuxagent.common.osutil.get_osutil")
@patch("azurelinuxagent.pa.deprovision.default.DeprovisionHandler.cloud_init_dirs")
@patch("azurelinuxagent.pa.deprovision.default.DeprovisionHandler.cloud_init_files")
def test_del_cloud_init(self,
mock_files,
mock_dirs,
mock_osutil,
mock_util,
mock_signal):
try:
with tempfile.NamedTemporaryFile() as f:
warnings = []
actions = []
dirs = [tempfile.mkdtemp()]
mock_dirs.return_value = dirs
files = [f.name]
mock_files.return_value = files
deprovision_handler = get_deprovision_handler("","","")
deprovision_handler.del_cloud_init(warnings, actions,
deluser=True)
mock_dirs.assert_called_with(include_once=True)
mock_files.assert_called_with(include_once=True, deluser=True)
self.assertEqual(len(warnings), 0)
self.assertEqual(len(actions), 2)
for da in actions:
if da.func == fileutil.rm_dirs:
self.assertEqual(da.args, dirs)
elif da.func == fileutil.rm_files:
self.assertEqual(da.args, files)
else:
self.assertTrue(False)
try:
for da in actions:
da.invoke()
self.assertEqual(len([d for d in dirs if os.path.isdir(d)]), 0)
self.assertEqual(len([f for f in files if os.path.isfile(f)]), 0)
except Exception as e:
self.assertTrue(False, "Exception {0}".format(e))
except OSError:
# Ignore the error caused by removing the file within the "with"
pass
@distros("ubuntu")
@patch('azurelinuxagent.common.conf.get_lib_dir')
def test_del_lib_dir_files(self,
distro_name,
distro_version,
distro_full_name,
mock_conf):
files = [
'HostingEnvironmentConfig.xml',
'Incarnation',
'Protocol',
'SharedConfig.xml',
'WireServerEndpoint',
'Extensions.1.xml',
'ExtensionsConfig.1.xml',
'GoalState.1.xml',
'Extensions.2.xml',
'ExtensionsConfig.2.xml',
'GoalState.2.xml'
]
tmp = tempfile.mkdtemp()
mock_conf.return_value = tmp
for f in files:
fileutil.write_file(os.path.join(tmp, f), "Value")
deprovision_handler = get_deprovision_handler(distro_name,
distro_version,
distro_full_name)
warnings = []
actions = []
deprovision_handler.del_lib_dir_files(warnings, actions)
self.assertTrue(len(warnings) == 0)
self.assertTrue(len(actions) == 1)
self.assertEqual(fileutil.rm_files, actions[0].func)
self.assertTrue(len(actions[0].args) > 0)
for f in actions[0].args:
self.assertTrue(os.path.basename(f) in files)
@distros("redhat")
def test_deprovision(self,
distro_name,
distro_version,
distro_full_name):
deprovision_handler = get_deprovision_handler(distro_name,
distro_version,
distro_full_name)
warnings, actions = deprovision_handler.setup(deluser=False)
assert any("/etc/resolv.conf" in w for w in warnings)
@distros("ubuntu")
def test_deprovision_ubuntu(self,
distro_name,
distro_version,
distro_full_name):
deprovision_handler = get_deprovision_handler(distro_name,
distro_version,
distro_full_name)
with patch("os.path.realpath", return_value="/run/resolvconf/resolv.conf"):
warnings, actions = deprovision_handler.setup(deluser=False)
assert any("/etc/resolvconf/resolv.conf.d/tail" in w for w in warnings)
if __name__ == '__main__':
unittest.main()
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