class TestRaidDeviceDetection(test_base.NodeTest):
hook = raid_device.RaidDeviceDetection()
def test_loadable_by_name(self):
base.CONF.set_override('processing_hooks', 'raid_device', 'processing')
ext = base.processing_hooks_manager()['raid_device']
self.assertIsInstance(ext.obj, raid_device.RaidDeviceDetection)
def test_missing_local_gb(self):
introspection_data = {}
self.hook.before_processing(introspection_data)
self.assertEqual(1, introspection_data['local_gb'])
def test_local_gb_not_changed(self):
introspection_data = {'local_gb': 42}
self.hook.before_processing(introspection_data)
self.assertEqual(42, introspection_data['local_gb'])
class TestRaidDeviceDetectionUpdate(test_base.NodeTest):
hook = raid_device.RaidDeviceDetection()
@mock.patch.object(node_cache.NodeInfo, 'patch')
def _check(self, data, patch, mock_patch):
self.hook.before_processing(data)
self.hook.before_update(data, self.node_info)
self.assertCalledWithPatch(patch, mock_patch)
def test_no_previous_block_devices(self):
introspection_data = {'inventory': {
'disks': [
{'name': '/dev/sda', 'serial': 'foo'},
{'name': '/dev/sdb', 'serial': 'bar'},
]
}}
expected = [{'op': 'add', 'path': '/extra/block_devices',
'value': {'serials': ['foo', 'bar']}}]
self._check(introspection_data, expected)
def test_no_previous_block_devices_old_ramdisk(self):
introspection_data = {'block_devices': {'serials': ['foo', 'bar']}}
expected = [{'op': 'add', 'path': '/extra/block_devices',
'value': introspection_data['block_devices']}]
self._check(introspection_data, expected)
def test_root_device_found(self):
self.node.extra['block_devices'] = {'serials': ['foo', 'bar']}
introspection_data = {'inventory': {
'disks': [
{'name': '/dev/sda', 'serial': 'foo'},
{'name': '/dev/sdb', 'serial': 'baz'},
]
}}
expected = [{'op': 'remove', 'path': '/extra/block_devices'},
{'op': 'add', 'path': '/properties/root_device',
'value': {'serial': 'baz'}}]
self._check(introspection_data, expected)
def test_root_device_found_old_ramdisk(self):
self.node.extra['block_devices'] = {'serials': ['foo', 'bar']}
introspection_data = {'block_devices': {'serials': ['foo', 'baz']}}
expected = [{'op': 'remove', 'path': '/extra/block_devices'},
{'op': 'add', 'path': '/properties/root_device',
'value': {'serial': 'baz'}}]
self._check(introspection_data, expected)
def test_root_device_already_exposed(self):
self.node.properties['root_device'] = {'serial': 'foo'}
introspection_data = {'inventory': {
'disks': [
{'name': '/dev/sda', 'serial': 'foo'},
{'name': '/dev/sdb', 'serial': 'baz'},
]
}}
self._check(introspection_data, [])
def test_multiple_new_devices(self):
self.node.extra['block_devices'] = {'serials': ['foo', 'bar']}
introspection_data = {'inventory': {
'disks': [
{'name': '/dev/sda', 'serial': 'foo'},
{'name': '/dev/sdb', 'serial': 'baz'},
{'name': '/dev/sdc', 'serial': 'qux'},
]
}}
self._check(introspection_data, [])
def test_no_new_devices(self):
self.node.extra['block_devices'] = {'serials': ['foo', 'bar']}
introspection_data = {'inventory': {
'disks': [
{'name': '/dev/sda', 'serial': 'foo'},
{'name': '/dev/sdb', 'serial': 'bar'},
]
}}
self._check(introspection_data, [])
def test_no_block_devices_from_ramdisk(self):
introspection_data = {}
self._check(introspection_data, [])