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Merge pull request #15 from xek/default_raid

Default RAID configuration
This commit is contained in:
Jim Rollenhagen
2018-04-26 11:58:07 -04:00
committed by GitHub
2 changed files with 207 additions and 0 deletions

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@@ -0,0 +1,175 @@
From 53a416bdad103f4bede1d9fe52a29db178578e8a Mon Sep 17 00:00:00 2001
From: "Grzegorz Grasza (xek)" <grzegorz.grasza@intel.com>
Date: Fri, 9 Feb 2018 13:57:02 +0100
Subject: [PATCH 09/11] Default hardware raid implementation
This overwrite the hardware RAID configuration so that all block devices
are converted to RAIDs.
---
ironic_lib/system_installer/__init__.py | 35 ++++++++++
ironic_lib/tests/test_system_installer.py | 102 ++++++++++++++++++++++++++++++
2 files changed, 137 insertions(+)
diff --git a/ironic_lib/system_installer/__init__.py b/ironic_lib/system_installer/__init__.py
index 4dbf38c..39d67e0 100644
--- a/ironic_lib/system_installer/__init__.py
+++ b/ironic_lib/system_installer/__init__.py
@@ -179,3 +179,38 @@ class SystemInstaller(object):
devices = self.make_lvm(devices)
devices = self.format_partitions(devices)
return self.install_system(devices, image_path)
+
+ def reconfigure_default_hwraid(self, raid_level):
+ """Overwrite the configuration so that all block devices are RAIDs
+
+ This method takes a raid_level and configures raids with the minimal
+ number of disks. The number of configured RAIDs is equal to the number
+ of block devices specified in the config. Ordering is not important.
+
+ This only make raids for disks which don't have a raid configuration.
+ """
+ raid_map = {0: 1, 1: 2, 5: 3, 6: 4, 10: 4}
+ if raid_level not in raid_map:
+ raise ConfError('Wrong default raid_level specified')
+ disk_number = raid_map[raid_level]
+ block_conf = self.conf[PartitionSetup.conf_key]
+ if MegaCliSetup.conf_key in self.conf:
+ raid_conf = self.conf[MegaCliSetup.conf_key]
+ megacli_setup = MegaCliSetup(self.conf)
+ hwraid_devices = set(megacli_setup.get_src_names()
+ + megacli_setup.get_dst_names())
+ else:
+ self.conf[MegaCliSetup.conf_key] = raid_conf = {}
+ hwraid_devices = set()
+ for i, (label, partitions) in enumerate(list(block_conf.items())):
+ if label in hwraid_devices:
+ continue # skip already configured devices
+ block_conf[label] = partitions
+ if 'candidates' in partitions:
+ del partitions['candidates']
+ disk_labels = ['defaulthwraid-{}-{}'.format(i, l)
+ for l in range(disk_number)]
+ for raid_candidate_label in disk_labels:
+ block_conf[raid_candidate_label] = {'candidates': 'any'}
+ raid_conf[label] = {'raidtype': raid_level,
+ 'partitions': disk_labels}
diff --git a/ironic_lib/tests/test_system_installer.py b/ironic_lib/tests/test_system_installer.py
index ac95b7d..93a01d4 100644
--- a/ironic_lib/tests/test_system_installer.py
+++ b/ironic_lib/tests/test_system_installer.py
@@ -13,6 +13,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
+from collections import OrderedDict
import json
import unittest
@@ -974,3 +975,104 @@ class TestSystemInstaller(unittest.TestCase):
self.assertFalse(ml.called)
fp.assert_called_once()
ins.assert_called_once()
+
+ def test_reconfigure_default_raid(self):
+ self.maxDiff = None
+ cfg_dict = {
+ 'disk_config': {
+ 'blockdev': OrderedDict([
+ ('disk0', {
+ 'candidates': 'any',
+ 'partitions': {
+ 'd0p0': {}
+ }
+ }),
+ ('disk1', {
+ 'candidates': 'any',
+ 'partitions': {
+ 'd1p0': {}
+ }
+ })]),
+ 'filesystems': {
+ 'd1p0': {'mountpoint': '/'}
+ },
+ }
+ }
+ sysinst = si.SystemInstaller(json.dumps(cfg_dict))
+ sysinst.reconfigure_default_hwraid(5)
+ self.assertDictEqual(
+ json.loads(json.dumps(sysinst.conf)),
+ {u'filesystems': {u'd1p0': {u'mountpoint': u'/'}},
+ u'blockdev': {
+ u'disk0': {u'partitions': {u'd0p0': {}}},
+ u'disk1': {u'partitions': {u'd1p0': {}}},
+ u'defaulthwraid-0-0': {u'candidates': u'any'},
+ u'defaulthwraid-0-1': {u'candidates': u'any'},
+ u'defaulthwraid-0-2': {u'candidates': u'any'},
+ u'defaulthwraid-1-0': {u'candidates': u'any'},
+ u'defaulthwraid-1-1': {u'candidates': u'any'},
+ u'defaulthwraid-1-2': {u'candidates': u'any'}},
+ u'hwraid': {
+ u'disk0': {u'partitions': [u'defaulthwraid-0-0',
+ u'defaulthwraid-0-1',
+ u'defaulthwraid-0-2'],
+ u'raidtype': 5},
+ u'disk1': {u'partitions': [u'defaulthwraid-1-0',
+ u'defaulthwraid-1-1',
+ u'defaulthwraid-1-2'],
+ u'raidtype': 5}}})
+
+ def test_reconfigure_default_raid_partial(self):
+ self.maxDiff = None
+ cfg_dict = {
+ 'disk_config': {
+ 'blockdev': OrderedDict([
+ ('disk0', {
+ 'partitions': {
+ 'd0p0': {}
+ }
+ }),
+ (u'hwraid-0-0', {u'candidates': u'any'}),
+ (u'hwraid-0-1', {u'candidates': u'any'}),
+ (u'hwraid-0-2', {u'candidates': u'any'}),
+ ('disk1', {
+ 'candidates': 'any',
+ 'partitions': {
+ 'd1p0': {}
+ }
+ })]),
+ 'filesystems': {
+ 'd0p0': {'mountpoint': '/home'},
+ 'd1p0': {'mountpoint': '/'}
+ },
+ u'hwraid': {
+ u'disk0': {u'partitions': [u'hwraid-0-0',
+ u'hwraid-0-1',
+ u'hwraid-0-2'],
+ u'raidtype': 5}}
+ }
+ }
+ sysinst = si.SystemInstaller(json.dumps(cfg_dict))
+ sysinst.reconfigure_default_hwraid(5)
+ self.assertDictEqual(
+ json.loads(json.dumps(sysinst.conf)),
+ {u'filesystems': {u'd1p0': {u'mountpoint': u'/'},
+ u'd0p0': {u'mountpoint': u'/home'}},
+ u'blockdev': {
+ u'disk0': {u'partitions': {u'd0p0': {}}},
+ u'disk1': {u'partitions': {u'd1p0': {}}},
+ u'hwraid-0-0': {u'candidates': u'any'},
+ u'hwraid-0-1': {u'candidates': u'any'},
+ u'hwraid-0-2': {u'candidates': u'any'},
+ u'defaulthwraid-4-0': {u'candidates': u'any'},
+ u'defaulthwraid-4-1': {u'candidates': u'any'},
+ u'defaulthwraid-4-2': {u'candidates': u'any'}},
+ u'hwraid': {
+ u'disk0': {u'partitions': [u'hwraid-0-0',
+ u'hwraid-0-1',
+ u'hwraid-0-2'],
+ u'raidtype': 5},
+ u'disk1': {u'partitions': [u'defaulthwraid-4-0',
+ u'defaulthwraid-4-1',
+ u'defaulthwraid-4-2'],
+ u'raidtype': 5}}})
--
2.14.1

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@@ -0,0 +1,32 @@
From bcf84287fe6eeb3cdaba07d39700a3b1881e09dd Mon Sep 17 00:00:00 2001
From: "Grzegorz Grasza (xek)" <grzegorz.grasza@intel.com>
Date: Fri, 9 Feb 2018 14:17:56 +0100
Subject: [PATCH 3/3] Add default_raid support
---
ironic_python_agent/extensions/standby.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/ironic_python_agent/extensions/standby.py b/ironic_python_agent/extensions/standby.py
index 88662fd..219b291 100644
--- a/ironic_python_agent/extensions/standby.py
+++ b/ironic_python_agent/extensions/standby.py
@@ -455,12 +455,15 @@ class StandbyExtension(base.BaseAgentExtension):
if self.agent and self.agent.node['instance_info'].get('ybiip'):
disk_config = self.agent.node['instance_info'].get('ybiip')
+ default_raid = self.agent.node['properties'].get('default_raid')
LOG.debug('Found ybiip disk_config in instance_info,'
' running SystemInstaller...')
if image_info.get('disk_format') != 'qcow2':
errors.InvalidContentError('qcow2 is the only image format'
' supported by SystemInstaller')
installer = system_installer.SystemInstaller(disk_config)
+ if default_raid is not None:
+ system_installer.reconfigure_default_hwraid(default_raid)
_download_image(image_info)
boot_device = installer.install(_image_location(image_info))
if configdrive and boot_device:
--
2.14.1