Scott Moser 8c8c128192 fix pep8 complaints.
make pep8 now is silent on precise's pep8 ( 0.6.1-2ubuntu2).
2012-08-22 14:12:32 -04:00

446 lines
14 KiB
Python

# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Joe VLcek <JVLcek@RedHat.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
This test file exercises the code in sources DataSourceAltCloud.py
'''
import os
import shutil
import tempfile
from cloudinit import helpers
from unittest import TestCase
# Get the cloudinit.sources.DataSourceAltCloud import items needed.
import cloudinit.sources.DataSourceAltCloud
from cloudinit.sources.DataSourceAltCloud import DataSourceAltCloud
from cloudinit.sources.DataSourceAltCloud import read_user_data_callback
def _write_cloud_info_file(value):
'''
Populate the CLOUD_INFO_FILE which would be populated
with a cloud backend identifier ImageFactory when building
an image with ImageFactory.
'''
cifile = open(cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE, 'w')
cifile.write(value)
cifile.close()
os.chmod(cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE, 0664)
def _remove_cloud_info_file():
'''
Remove the test CLOUD_INFO_FILE
'''
os.remove(cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE)
def _write_user_data_files(mount_dir, value):
'''
Populate the deltacloud_user_data_file the user_data_file
which would be populated with user data.
'''
deltacloud_user_data_file = mount_dir + '/deltacloud-user-data.txt'
user_data_file = mount_dir + '/user-data.txt'
udfile = open(deltacloud_user_data_file, 'w')
udfile.write(value)
udfile.close()
os.chmod(deltacloud_user_data_file, 0664)
udfile = open(user_data_file, 'w')
udfile.write(value)
udfile.close()
os.chmod(user_data_file, 0664)
def _remove_user_data_files(mount_dir,
dc_file=True,
non_dc_file=True):
'''
Remove the test files: deltacloud_user_data_file and
user_data_file
'''
deltacloud_user_data_file = mount_dir + '/deltacloud-user-data.txt'
user_data_file = mount_dir + '/user-data.txt'
# Ignore any failures removeing files that are already gone.
if dc_file:
try:
os.remove(deltacloud_user_data_file)
except OSError:
pass
if non_dc_file:
try:
os.remove(user_data_file)
except OSError:
pass
class TestGetCloudType(TestCase):
'''
Test to exercise method: DataSourceAltCloud.get_cloud_type()
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
def tearDown(self):
# Reset
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['dmidecode', '--string', 'system-product-name']
def test_rhev(self):
'''
Test method get_cloud_type() for RHEVm systems.
Forcing dmidecode return to match a RHEVm system: RHEV Hypervisor
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'RHEV Hypervisor']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('RHEV', \
dsrc.get_cloud_type())
def test_vsphere(self):
'''
Test method get_cloud_type() for vSphere systems.
Forcing dmidecode return to match a vSphere system: RHEV Hypervisor
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'VMware Virtual Platform']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('VSPHERE', \
dsrc.get_cloud_type())
def test_unknown(self):
'''
Test method get_cloud_type() for unknown systems.
Forcing dmidecode return to match an unrecognized return.
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'Unrecognized Platform']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
dsrc.get_cloud_type())
def test_exception1(self):
'''
Test method get_cloud_type() where command dmidecode fails.
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['ls', 'bad command']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
dsrc.get_cloud_type())
def test_exception2(self):
'''
Test method get_cloud_type() where command dmidecode is not available.
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['bad command']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
dsrc.get_cloud_type())
class TestGetDataCloudInfoFile(TestCase):
'''
Test to exercise method: DataSourceAltCloud.get_data()
With a contrived CLOUD_INFO_FILE
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
self.cloud_info_file = tempfile.mkstemp()[1]
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
self.cloud_info_file
def tearDown(self):
# Reset
# Attempt to remove the temp file ignoring errors
try:
os.remove(self.cloud_info_file)
except OSError:
pass
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
def test_rhev(self):
'''Success Test module get_data() forcing RHEV.'''
_write_cloud_info_file('RHEV')
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_rhevm = lambda: True
self.assertEquals(True, dsrc.get_data())
def test_vsphere(self):
'''Success Test module get_data() forcing VSPHERE.'''
_write_cloud_info_file('VSPHERE')
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_vsphere = lambda: True
self.assertEquals(True, dsrc.get_data())
def test_fail_rhev(self):
'''Failure Test module get_data() forcing RHEV.'''
_write_cloud_info_file('RHEV')
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_rhevm = lambda: False
self.assertEquals(False, dsrc.get_data())
def test_fail_vsphere(self):
'''Failure Test module get_data() forcing VSPHERE.'''
_write_cloud_info_file('VSPHERE')
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_vsphere = lambda: False
self.assertEquals(False, dsrc.get_data())
def test_unrecognized(self):
'''Failure Test module get_data() forcing unrecognized.'''
_write_cloud_info_file('unrecognized')
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.get_data())
class TestGetDataNoCloudInfoFile(TestCase):
'''
Test to exercise method: DataSourceAltCloud.get_data()
Without a CLOUD_INFO_FILE
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'no such file'
def tearDown(self):
# Reset
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['dmidecode', '--string', 'system-product-name']
def test_rhev_no_cloud_file(self):
'''Test No cloud info file module get_data() forcing RHEV.'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'RHEV Hypervisor']
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_rhevm = lambda: True
self.assertEquals(True, dsrc.get_data())
def test_vsphere_no_cloud_file(self):
'''Test No cloud info file module get_data() forcing VSPHERE.'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'VMware Virtual Platform']
dsrc = DataSourceAltCloud({}, None, self.paths)
dsrc.user_data_vsphere = lambda: True
self.assertEquals(True, dsrc.get_data())
def test_failure_no_cloud_file(self):
'''Test No cloud info file module get_data() forcing unrecognized.'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'Unrecognized Platform']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.get_data())
class TestUserDataRhevm(TestCase):
'''
Test to exercise method: DataSourceAltCloud.user_data_rhevm()
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
self.mount_dir = tempfile.mkdtemp()
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
# Attempt to remove the temp dir ignoring errors
try:
shutil.rmtree(self.mount_dir)
except OSError:
pass
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['/sbin/modprobe', 'floppy']
cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
['/sbin/udevadm', 'settle', '--quiet', '--timeout=5']
def test_mount_cb_fails(self):
'''Test user_data_rhevm() where mount_cb fails.'''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['echo', 'modprobe floppy']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_rhevm())
def test_modprobe_fails(self):
'''Test user_data_rhevm() where modprobe fails.'''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['ls', 'modprobe floppy']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_rhevm())
def test_no_modprobe_cmd(self):
'''Test user_data_rhevm() with no modprobe command.'''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['bad command', 'modprobe floppy']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_rhevm())
def test_udevadm_fails(self):
'''Test user_data_rhevm() where udevadm fails.'''
cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
['ls', 'udevadm floppy']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_rhevm())
def test_no_udevadm_cmd(self):
'''Test user_data_rhevm() with no udevadm command.'''
cloudinit.sources.DataSourceAltCloud.CMD_UDEVADM_SETTLE = \
['bad command', 'udevadm floppy']
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_rhevm())
class TestUserDataVsphere(TestCase):
'''
Test to exercise method: DataSourceAltCloud.user_data_vsphere()
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
self.mount_dir = tempfile.mkdtemp()
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
# Attempt to remove the temp dir ignoring errors
try:
shutil.rmtree(self.mount_dir)
except OSError:
pass
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
def test_user_data_vsphere(self):
'''Test user_data_vsphere() where mount_cb fails.'''
cloudinit.sources.DataSourceAltCloud.MEDIA_DIR = self.mount_dir
dsrc = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, dsrc.user_data_vsphere())
class TestReadUserDataCallback(TestCase):
'''
Test to exercise method: DataSourceAltCloud.read_user_data_callback()
'''
def setUp(self):
'''Set up.'''
self.paths = helpers.Paths({'cloud_dir': '/tmp'})
self.mount_dir = tempfile.mkdtemp()
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
# Attempt to remove the temp dir ignoring errors
try:
shutil.rmtree(self.mount_dir)
except OSError:
pass
def test_callback_both(self):
'''Test read_user_data_callback() with both files.'''
self.assertEquals('test user data',
read_user_data_callback(self.mount_dir))
def test_callback_dc(self):
'''Test read_user_data_callback() with only DC file.'''
_remove_user_data_files(self.mount_dir,
dc_file=False,
non_dc_file=True)
self.assertEquals('test user data',
read_user_data_callback(self.mount_dir))
def test_callback_non_dc(self):
'''Test read_user_data_callback() with only non-DC file.'''
_remove_user_data_files(self.mount_dir,
dc_file=True,
non_dc_file=False)
self.assertEquals('test user data',
read_user_data_callback(self.mount_dir))
def test_callback_none(self):
'''Test read_user_data_callback() no files are found.'''
_remove_user_data_files(self.mount_dir)
self.assertEquals(None, read_user_data_callback(self.mount_dir))
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