def test_snapshot_mount_error_raises_Exception(self,
mock_create_dir,
mock_get_lvm_info,
mock_get_vol_fs_type,
mock_popen,
mock_lvm_snap_remove):
mock_get_vol_fs_type.return_value = 'xfs'
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'}
mock_lvcreate_process, mock_mount_process = mock.Mock(), mock.Mock()
mock_lvcreate_process.communicate.return_value = '', ''
mock_lvcreate_process.returncode = 0
mock_mount_process.communicate.return_value = '', 'mount error'
mock_mount_process.returncode = 1
mock_popen.side_effect = [mock_lvcreate_process, mock_mount_process]
backup_opt = mock.Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_snapsize = '1G'
with self.assertRaises(Exception) as cm: # noqa
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('lvm snapshot mounting error', str(the_exception))
mock_lvm_snap_remove.assert_called_once_with(backup_opt)
def test_snapshot_mount_error_raises_Exception(self, mock_create_dir,
mock_get_lvm_info,
mock_get_vol_fs_type,
mock_popen,
mock_lvm_snap_remove):
mock_get_vol_fs_type.return_value = 'xfs'
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'
}
mock_lvcreate_process, mock_mount_process = mock.Mock(), mock.Mock()
mock_lvcreate_process.communicate.return_value = '', ''
mock_lvcreate_process.returncode = 0
mock_mount_process.communicate.return_value = '', 'mount error'
mock_mount_process.returncode = 1
mock_popen.side_effect = [mock_lvcreate_process, mock_mount_process]
backup_opt = mock.Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_snapsize = '1G'
with self.assertRaises(Exception) as cm: # noqa
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('lvm snapshot mounting error', str(the_exception))
mock_lvm_snap_remove.assert_called_once_with(backup_opt)
def test_with_snapshot_opt_simple_sets_correct_path_and_raises_on_perm(self, mock_create_dir, mock_get_lvm_info):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'}
backup_opt = Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'invalid_value'
with self.assertRaises(Exception) as cm:
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('Invalid value for option lvm-snap-perm',
str(the_exception))
def test_with_snapshot_opt_simple_sets_correct_path_and_raises_on_perm(
self, mock_create_dir, mock_get_lvm_info):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'
}
backup_opt = mock.Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'invalid_value'
with self.assertRaises(Exception) as cm: # noqa
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('Invalid value for option lvm-snap-perm',
str(the_exception))
def test_snapshot_fails(self, mock_create_dir, mock_get_lvm_info, mock_get_vol_fs_type, mock_popen, mock_validate_lvm_params):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'}
mock_process = Mock()
mock_process.communicate.return_value = '', ''
mock_process.returncode = 1
mock_popen.return_value = mock_process
backup_opt = Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_snapsize = '1G'
with self.assertRaises(Exception) as cm:
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('lvm snapshot creation error', str(the_exception))
def test_snapshot_fails(self, mock_create_dir, mock_get_lvm_info,
mock_get_vol_fs_type, mock_popen,
mock_validate_lvm_params):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'
}
mock_process = mock.Mock()
mock_process.communicate.return_value = '', ''
mock_process.returncode = 1
mock_popen.return_value = mock_process
backup_opt = mock.Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_snapsize = '1G'
with self.assertRaises(Exception) as cm: # noqa
lvm.lvm_snap(backup_opt)
the_exception = cm.exception
self.assertIn('lvm snapshot creation error', str(the_exception))
def test_ok(self, mock_create_dir, mock_get_lvm_info, mock_get_vol_fs_type, mock_popen, mock_validate_lvm_params):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'}
mock_process = Mock()
mock_process.communicate.return_value = '', ''
mock_process.returncode = 0
mock_popen.return_value = mock_process
backup_opt = Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_volgroup = ''
backup_opt.lvm_srcvol = ''
backup_opt.lvm_snapsize = '1G'
self.assertTrue(lvm.lvm_snap(backup_opt))
def snapshot_create(backup_opt_dict):
"""
Calls the code to take fs snapshots, depending on the platform
:param backup_opt_dict:
:return: boolean value, True if snapshot has been taken, false otherwise
"""
if winutils.is_windows():
if backup_opt_dict.snapshot:
# Create a shadow copy.
backup_opt_dict.shadow_path, backup_opt_dict.shadow = \
vss.vss_create_shadow_copy(backup_opt_dict.windows_volume)
backup_opt_dict.path_to_backup = winutils.use_shadow(
backup_opt_dict.path_to_backup,
backup_opt_dict.windows_volume)
return True
return False
else:
return lvm.lvm_snap(backup_opt_dict)
def test_ok(self, mock_create_dir, mock_get_lvm_info, mock_get_vol_fs_type,
mock_popen, mock_validate_lvm_params):
mock_get_lvm_info.return_value = {
'volgroup': 'lvm_volgroup',
'srcvol': 'lvm_device',
'snap_path': 'snap_path'
}
mock_process = mock.Mock()
mock_process.communicate.return_value = '', ''
mock_process.returncode = 0
mock_popen.return_value = mock_process
backup_opt = mock.Mock()
backup_opt.snapshot = True
backup_opt.path_to_backup = '/just/a/path'
backup_opt.lvm_dirmount = '/var/mountpoint'
backup_opt.lvm_snapperm = 'ro'
backup_opt.lvm_volgroup = ''
backup_opt.lvm_srcvol = ''
backup_opt.lvm_snapsize = '1G'
self.assertTrue(lvm.lvm_snap(backup_opt))
def snapshot_create(backup_opt_dict):
"""
Calls the code to take fs snapshots, depending on the platform
:param backup_opt_dict:
:return: boolean value, True if snapshot has been taken, false otherwise
"""
if not backup_opt_dict.snapshot:
return False
if winutils.is_windows():
if backup_opt_dict.snapshot:
# Create a shadow copy.
backup_opt_dict.shadow_path, backup_opt_dict.shadow = \
vss.vss_create_shadow_copy(backup_opt_dict.windows_volume)
backup_opt_dict.path_to_backup = winutils.use_shadow(
backup_opt_dict.path_to_backup, backup_opt_dict.windows_volume)
return True
return False
else:
return lvm.lvm_snap(backup_opt_dict)
