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#! /usr/bin/env python
import os
from unittest import TestCase
from cloudinit import helpers
# 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.
'''
f = open(cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE, 'w')
f.write(value)
f.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'
f = open(deltacloud_user_data_file, 'w')
f.write(value)
f.close()
os.chmod(deltacloud_user_data_file, 0664)
f = open(user_data_file, 'w')
f.write(value)
f.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 TestDataSouceAltCloud_get_cloud_type(TestCase):
'''
Test to exercise method: DataSourceAltCloud.get_cloud_type()
'''
def setUp(self):
''' Set up '''
self.paths = helpers.Paths({ 'cloud_dir': '/tmp' })
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 1
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 1
def tearDown(self):
# Reset
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['dmidecode', '--string', 'system-product-name']
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 3
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 3
def test_get_cloud_type_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']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('RHEV', \
ds.get_cloud_type())
def test_get_cloud_type_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']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('VSPHERE', \
ds.get_cloud_type())
def test_get_cloud_type_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']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
ds.get_cloud_type())
def test_get_cloud_type_exception1(self):
'''
Test method get_cloud_type() where command dmidecode fails.
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['ls', 'bad command']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
ds.get_cloud_type())
def test_get_cloud_type_exception(self):
'''
Test method get_cloud_type() where command dmidecode is not available.
'''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['bad command']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals('UNKNOWN', \
ds.get_cloud_type())
class TestDataSouceAltCloud_get_data_cloud_info_file(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' })
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/tmp/cloudinit_test_etc_sysconfig_cloud-info'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 1
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 1
def tearDown(self):
# Reset
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 3
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 3
def test_get_data_RHEV_cloud_file(self):
'''Success Test module get_data() forcing RHEV '''
_write_cloud_info_file('RHEV')
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_rhevm = lambda : True
self.assertEquals(True, ds.get_data())
def test_get_data_VSPHERE_cloud_file(self):
'''Success Test module get_data() forcing VSPHERE '''
_write_cloud_info_file('VSPHERE')
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_vsphere = lambda : True
self.assertEquals(True, ds.get_data())
def test_failure_get_data_RHEV_cloud_file(self):
'''Failure Test module get_data() forcing RHEV '''
_write_cloud_info_file('RHEV')
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_rhevm = lambda : False
self.assertEquals(False, ds.get_data())
def test_failure_get_data_VSPHERE_cloud_file(self):
'''Failure Test module get_data() forcing VSPHERE '''
_write_cloud_info_file('VSPHERE')
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_vsphere = lambda : False
self.assertEquals(False, ds.get_data())
def test_failure_get_data_unrecognized_cloud_file(self):
'''Failure Test module get_data() forcing unrecognized '''
_write_cloud_info_file('unrecognized')
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.get_data())
class TestDataSouceAltCloud_get_data_no_cloud_info_file(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'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 1
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 1
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']
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 3
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 3
def test_get_data_RHEV_cloud_file(self):
'''Test No cloud info file module get_data() forcing RHEV '''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'RHEV Hypervisor']
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_rhevm = lambda : True
self.assertEquals(True, ds.get_data())
def test_get_data_VSPHERE_cloud_file(self):
'''Test No cloud info file module get_data() forcing VSPHERE '''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'VMware Virtual Platform']
ds = DataSourceAltCloud({}, None, self.paths)
ds.user_data_vsphere = lambda : True
self.assertEquals(True, ds.get_data())
def test_failure_get_data_VSPHERE_cloud_file(self):
'''Test No cloud info file module get_data() forcing unrecognized '''
cloudinit.sources.DataSourceAltCloud.CMD_DMI_SYSTEM = \
['echo', 'Unrecognized Platform']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.get_data())
class TestDataSouceAltCloud_user_data_rhevm(TestCase):
'''
Test to exercise method: DataSourceAltCloud.user_data_rhevm()
'''
def setUp(self):
''' Set up '''
self.paths = helpers.Paths({ 'cloud_dir': '/tmp' })
self.mount_dir = '/tmp/cloudinit_test_media'
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/tmp/cloudinit_test_etc_sysconfig_cloud-info'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 1
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 1
try:
os.mkdir(self.mount_dir)
except OSError, (errno, strerror):
# Ignore OSError: [Errno 17] File exists:
if errno is not 17:
raise
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['/sbin/modprobe', 'floppy']
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 3
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 3
def test_user_data_rhevm(self):
'''Test user_data_rhevm() where mount_cb fails'''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['echo', 'modprobe floppy']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.user_data_rhevm())
def test_user_data_rhevm_modprobe_fails(self):
'''Test user_data_rhevm() where modprobe fails. '''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['ls', 'modprobe floppy']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.user_data_rhevm())
def test_user_data_rhevm_no_modprobe_cmd(self):
'''Test user_data_rhevm() with no modprobe command. '''
cloudinit.sources.DataSourceAltCloud.CMD_PROBE_FLOPPY = \
['bad command', 'modprobe floppy']
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.user_data_rhevm())
class TestDataSouceAltCloud_user_data_vsphere(TestCase):
'''
Test to exercise method: DataSourceAltCloud.user_data_vsphere()
'''
def setUp(self):
''' Set up '''
self.paths = helpers.Paths({ 'cloud_dir': '/tmp' })
self.mount_dir = '/tmp/cloudinit_test_media'
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/tmp/cloudinit_test_etc_sysconfig_cloud-info'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 1
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 1
try:
os.mkdir(self.mount_dir)
except OSError, (errno, strerror):
# Ignore OSError: [Errno 17] File exists:
if errno is not 17:
raise
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
cloudinit.sources.DataSourceAltCloud.CLOUD_INFO_FILE = \
'/etc/sysconfig/cloud-info'
cloudinit.sources.DataSourceAltCloud.RETRY_TIMES = 3
cloudinit.sources.DataSourceAltCloud.SLEEP_SECS = 3
def test_user_data_vsphere(self):
'''Test user_data_vsphere() where mount_cb fails'''
cloudinit.sources.DataSourceAltCloud.MEDIA_DIR = \
'/tmp/cloudinit_test_media'
ds = DataSourceAltCloud({}, None, self.paths)
self.assertEquals(False, ds.user_data_vsphere())
class TestDataSouceAltCloud_read_user_data_callback(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 = '/tmp/cloudinit_test_media'
_write_user_data_files(self.mount_dir, 'test user data')
def tearDown(self):
# Reset
_remove_user_data_files(self.mount_dir)
def test_read_user_data_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_read_user_data_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_read_user_data_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_read_user_data_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))
# vi: ts=4 expandtab
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