diff options
-rw-r--r-- | ironic_python_agent/partition_utils.py | 48 | ||||
-rw-r--r-- | ironic_python_agent/tests/unit/test_partition_utils.py | 33 | ||||
-rw-r--r-- | releasenotes/notes/configdrive-partuuid-3259cfb7428c1483.yaml | 17 |
3 files changed, 59 insertions, 39 deletions
diff --git a/ironic_python_agent/partition_utils.py b/ironic_python_agent/partition_utils.py index c32a994d..c012b024 100644 --- a/ironic_python_agent/partition_utils.py +++ b/ironic_python_agent/partition_utils.py @@ -32,8 +32,12 @@ from oslo_concurrency import processutils from oslo_log import log from oslo_utils import excutils from oslo_utils import units +from oslo_utils import uuidutils import requests +from ironic_python_agent import errors +from ironic_python_agent.extensions import image + LOG = log.getLogger() @@ -352,14 +356,18 @@ def create_config_drive_partition(node_uuid, device, configdrive): "%(part)s", {'node': node_uuid, 'part': config_drive_part}) else: - cur_parts = set(part['number'] - for part in disk_utils.list_partitions(device)) - + part_uuid = None if disk_utils.get_partition_table_type(device) == 'gpt': + part_uuid = uuidutils.generate_uuid() create_option = '0:-%dMB:0' % MAX_CONFIG_DRIVE_SIZE_MB - utils.execute('sgdisk', '-n', create_option, device, + uuid_option = '0:%s' % part_uuid + utils.execute('sgdisk', '-n', create_option, + '-u', uuid_option, device, run_as_root=True) else: + cur_parts = set(part['number'] + for part in disk_utils.list_partitions(device)) + # Check if the disk has 4 partitions. The MBR based disk # cannot have more than 4 partitions. # TODO(stendulker): One can use logical partitions to create @@ -401,17 +409,29 @@ def create_config_drive_partition(node_uuid, device, configdrive): # Trigger device rescan disk_utils.trigger_device_rescan(device) - upd_parts = set(part['number'] - for part in disk_utils.list_partitions(device)) - new_part = set(upd_parts) - set(cur_parts) - if len(new_part) != 1: - raise exception.InstanceDeployFailure( - 'Disk partitioning failed on device %(device)s. ' - 'Unable to retrieve config drive partition information.' - % {'device': device}) + if part_uuid is None: + new_parts = {part['number']: part + for part in disk_utils.list_partitions(device)} + new_part = set(new_parts) - set(cur_parts) + if len(new_part) != 1: + raise exception.InstanceDeployFailure( + 'Disk partitioning failed on device %(device)s. ' + 'Unable to retrieve config drive partition ' + 'information.' % {'device': device}) - config_drive_part = disk_utils.partition_index_to_path( - device, new_part.pop()) + config_drive_part = disk_utils.partition_index_to_path( + device, new_part.pop()) + else: + try: + config_drive_part = image._get_partition(device, part_uuid) + except errors.DeviceNotFound: + msg = ('Failed to create config drive on disk %(disk)s ' + 'for node %(node)s. Partition with UUID %(uuid)s ' + 'has not been found after creation.') % { + 'disk': device, 'node': node_uuid, + 'uuid': part_uuid} + LOG.error(msg) + raise exception.InstanceDeployFailure(msg) disk_utils.udev_settle() diff --git a/ironic_python_agent/tests/unit/test_partition_utils.py b/ironic_python_agent/tests/unit/test_partition_utils.py index 1eb2cbbf..c0f63668 100644 --- a/ironic_python_agent/tests/unit/test_partition_utils.py +++ b/ironic_python_agent/tests/unit/test_partition_utils.py @@ -22,6 +22,7 @@ from ironic_lib import utils from oslo_concurrency import processutils import requests +from ironic_python_agent.extensions import image from ironic_python_agent import partition_utils from ironic_python_agent.tests.unit import base @@ -592,6 +593,7 @@ class CreateConfigDriveTestCases(base.IronicAgentTest): mock_dd.assert_called_with(configdrive_file, configdrive_part) mock_unlink.assert_called_with(configdrive_file) + @mock.patch('oslo_utils.uuidutils.generate_uuid', lambda: 'fake-uuid') @mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @@ -601,50 +603,32 @@ class CreateConfigDriveTestCases(base.IronicAgentTest): autospec=True) @mock.patch.object(disk_utils, 'get_partition_table_type', autospec=True) - @mock.patch.object(disk_utils, 'list_partitions', - autospec=True) + @mock.patch.object(image, '_get_partition', autospec=True) @mock.patch.object(partition_utils, 'get_labelled_partition', autospec=True) @mock.patch.object(partition_utils, 'get_configdrive', autospec=True) def test_create_partition_gpt(self, mock_get_configdrive, mock_get_labelled_partition, - mock_list_partitions, mock_table_type, + mock_get_partition_by_uuid, + mock_table_type, mock_fix_gpt_partition, mock_dd, mock_unlink, mock_execute): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 - initial_partitions = [{'end': 49152, 'number': 1, 'start': 1, - 'flags': 'boot', 'filesystem': 'ext4', - 'size': 49151}, - {'end': 51099, 'number': 3, 'start': 49153, - 'flags': '', 'filesystem': '', 'size': 2046}, - {'end': 51099, 'number': 5, 'start': 49153, - 'flags': '', 'filesystem': '', 'size': 2046}] - updated_partitions = [{'end': 49152, 'number': 1, 'start': 1, - 'flags': 'boot', 'filesystem': 'ext4', - 'size': 49151}, - {'end': 51099, 'number': 3, 'start': 49153, - 'flags': '', 'filesystem': '', 'size': 2046}, - {'end': 51099, 'number': 4, 'start': 49153, - 'flags': '', 'filesystem': '', 'size': 2046}, - {'end': 51099, 'number': 5, 'start': 49153, - 'flags': '', 'filesystem': '', 'size': 2046}] - mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_table_type.return_value = 'gpt' - mock_list_partitions.side_effect = [initial_partitions, - updated_partitions] expected_part = '/dev/fake4' + mock_get_partition_by_uuid.return_value = expected_part partition_utils.create_config_drive_partition(self.node_uuid, self.dev, config_url) mock_execute.assert_has_calls([ - mock.call('sgdisk', '-n', '0:-64MB:0', self.dev, - run_as_root=True), + mock.call('sgdisk', '-n', '0:-64MB:0', '-u', '0:fake-uuid', + self.dev, run_as_root=True), mock.call('sync'), mock.call('udevadm', 'settle'), mock.call('partprobe', self.dev, attempts=10, run_as_root=True), @@ -655,7 +639,6 @@ class CreateConfigDriveTestCases(base.IronicAgentTest): delay_on_retry=True) ]) - self.assertEqual(2, mock_list_partitions.call_count) mock_table_type.assert_called_with(self.dev) mock_fix_gpt_partition.assert_called_with(self.dev, self.node_uuid) mock_dd.assert_called_with(configdrive_file, expected_part) diff --git a/releasenotes/notes/configdrive-partuuid-3259cfb7428c1483.yaml b/releasenotes/notes/configdrive-partuuid-3259cfb7428c1483.yaml new file mode 100644 index 00000000..95344273 --- /dev/null +++ b/releasenotes/notes/configdrive-partuuid-3259cfb7428c1483.yaml @@ -0,0 +1,17 @@ +--- +issues: + - | + Creating a configdrive partition on a devicemapper device (e.g. a multipath + storage device) with MBR partitioning may fail with the following error:: + + Command execution failed: Failed to create config drive on disk /dev/dm-0 + for node 168af30d-0fad-4d67-af99-b28b3238e977. Error: Unexpected error + while running command. + + Use GPT partitioning instead. +fixes: + - | + Fixes creating a configdrive partition on a devicemapper device (e.g. + a multipath storage device) with GPT partitioning. The newly created + partition is now detected by a pre-generated UUID rather than by comparing + partition numbers. |