Merge "Revert "Software raid: mbr/gpt partition table alternative""

ironic_python_agent/hardware.py

@@ -1443,19 +1443,6 @@ class GenericHardwareManager(HardwareManager):
             LOG.debug("No target_raid_config found")
             return {}
 
-        partition_table_type = 'msdos'
-
-        # If explicitely specified by caller let's follow orders
-        instance_info = node.get('instance_info', {})
-        capabilities = instance_info.get('capabilities', {})
-        specified_table_type = capabilities.get('disk_label')
-        if specified_table_type:
-            if specified_table_type not in ['msdos', 'gpt']:
-                msg = ("Invalid disk_label capability. "
-                       "Should either be 'msdos' or 'gpt'")
-                raise errors.SoftwareRAIDError(msg)
-            partition_table_type = specified_table_type
-
         # No 'software' controller: do nothing. If 'controller' is
         # set to 'software' on only one of the drives, the validation
         # code will catch it.
@@ -1488,14 +1475,15 @@ class GenericHardwareManager(HardwareManager):
                   partitions)
             raise errors.SoftwareRAIDError(msg)
 
-        # Create an MBR or GPT partition table on each disk.
         parted_start_dict = {}
+        # Create an MBR partition table on each disk.
+        # TODO(arne_wiebalck): Check if GPT would work as well.
         for block_device in block_devices:
             LOG.info("Creating partition table on {}".format(
                 block_device.name))
             try:
                 utils.execute('parted', block_device.name, '-s', '--',
-                              'mklabel', partition_table_type)
+                              'mklabel', 'msdos')
             except processutils.ProcessExecutionError as e:
                 msg = "Failed to create partition table on {}: {}".format(
                     block_device.name, e)

ironic_python_agent/tests/unit/test_hardware.py

@@ -2710,29 +2710,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
 
     @mock.patch.object(utils, 'execute', autospec=True)
     def test_create_configuration(self, mocked_execute):
-        self._test_create_configuration(mocked_execute, 'msdos')
+        node = self.node
-
-    @mock.patch.object(utils, 'execute', autospec=True)
-    def test_create_configuration_disk_label_specified(
-            self, mocked_execute):
-
-        # Override gpt default choice with msdos
-        node = {
-            'uuid': 'hello',
-            'instance_info': {
-                'capabilities': {
-                    'disk_label': 'gpt'
-                }
-            }
-        }
-        self._test_create_configuration(mocked_execute, 'msdos')
-        self._test_create_configuration(mocked_execute, 'gpt', node)
-
-    def _test_create_configuration(self, mocked_execute,
-                                   expected_partition_table_type, node=None):
-        if node is None:
-            node = self.node
-
         raid_config = {
             "logical_disks": [
                 {
@@ -2769,10 +2747,10 @@ class TestGenericHardwareManager(base.IronicAgentTest):
 
         mocked_execute.assert_has_calls([
             mock.call('parted', '/dev/sda', '-s', '--', 'mklabel',
-                      expected_partition_table_type),
+                      'msdos'),
             mock.call('sgdisk', '-F', '/dev/sda'),
             mock.call('parted', '/dev/sdb', '-s', '--', 'mklabel',
-                      expected_partition_table_type),
+                      'msdos'),
             mock.call('sgdisk', '-F', '/dev/sdb'),
             mock.call('parted', '/dev/sda', '-s', '-a', 'optimal', '--',
                       'mkpart', 'primary', '42s', '10GiB'),
@@ -3031,41 +3009,6 @@ class TestGenericHardwareManager(base.IronicAgentTest):
                                self.hardware.create_configuration,
                                self.node, [])
 
-    @mock.patch.object(utils, 'execute', autospec=True)
-    def test_create_configuration_bad_disk_label(self, mocked_execute):
-
-        # Override gpt default choice with msdos
-        node = {
-            'uuid': 'hello',
-            'instance_info': {
-                'capabilities': {
-                    'disk_label': 'invalid'
-                }
-            }
-        }
-        # pass a sensible target_raid_config
-        raid_config = {
-            "logical_disks": [
-                {
-                    "size_gb": "100",
-                    "raid_level": "1",
-                    "controller": "software",
-                },
-                {
-                    "size_gb": "MAX",
-                    "raid_level": "0",
-                    "controller": "software",
-                },
-            ]
-        }
-        node['target_raid_config'] = raid_config
-
-        error_regex = \
-            "Invalid disk_label capability. Should either be 'msdos' or 'gpt'"
-        self.assertRaisesRegex(errors.SoftwareRAIDError, error_regex,
-                               self.hardware.create_configuration,
-                               node, [])
-
     def test_create_configuration_empty_target_raid_config(self):
         self.node['target_raid_config'] = {}
         result = self.hardware.create_configuration(self.node, [])

releasenotes/notes/softraid-msdos-gpt-alternative.yaml

@@ -1,4 +0,0 @@
----
-features:
-  - Adds the ability to specify the partition table type when creating RAID.
-    When not specified, the type is set to ``msdos`` (MBR).