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