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# Copyright 2018 Hewlett Packard Enterprise Development LP
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sushy.resources import base
from proliantutils import exception
from proliantutils.hpssa import constants
from proliantutils.hpssa import manager
from proliantutils import log
from proliantutils.redfish.resources.system.storage import \
constants as storage_const
from proliantutils.redfish.resources.system.storage import \
mappings as storage_map
LOG = log.get_logger(__name__)
class LogicalDriveListField(base.ListField):
data_drives = base.Field("DataDrives", adapter=list, default=[])
volume_unique_identifier = base.Field('VolumeUniqueIdentifier',
required=True)
class HPESmartStorageConfig(base.ResourceBase):
"""Class that defines the functionality for SmartSorageConfig Resources."""
controller_id = base.Field("Id")
smart_storage_config_message = base.Field(['@Redfish.Settings',
'Messages'])
logical_drives = LogicalDriveListField("LogicalDrives", default=[])
location = base.Field("Location")
physical_drives = base.Field("PhysicalDrives", adapter=list, default=None)
settings_uri = base.Field(["@Redfish.Settings",
"SettingsObject", "@odata.id"])
def _generic_format(self, raid_config, controller=None):
"""Convert redfish data of current raid config to generic format.
:param raid_config: Raid configuration dictionary
:param controller: Array controller model in post_create read else
None
:returns: current raid config.
"""
logical_drives = raid_config["LogicalDrives"]
logical_disks = []
controller = controller
for ld in logical_drives:
prop = {'size_gb': ld['CapacityGiB'],
'raid_level': ld['Raid'].strip('Raid'),
'root_device_hint': {
'wwn': '0x' + ld['VolumeUniqueIdentifier']},
'controller': controller,
'physical_disks': ld['DataDrives'],
'volume_name': ld['LogicalDriveName']}
logical_disks.append(prop)
return logical_disks
def _check_smart_storage_message(self):
"""Check for smart storage message.
:returns: result, raid_message
"""
ssc_mesg = self.smart_storage_config_message
result = True
raid_message = ""
for element in ssc_mesg:
if "Success" not in element['MessageId']:
result = False
raid_message = element['MessageId']
return result, raid_message
def read_raid(self, controller=None):
"""Get the current RAID configuration from the system.
:param controller: If controller model its post-create read else
post-delete
:returns: current raid config.
"""
if controller:
if not self.logical_drives:
msg = ('No logical drives found on the controller')
LOG.debug(msg)
raise exception.IloLogicalDriveNotFoundError(msg)
raid_op = 'create_raid'
else:
raid_op = 'delete_raid'
result, raid_message = self._check_smart_storage_message()
if result:
configured_raid_settings = self._conn.get(self.settings_uri)
raid_data = {
'logical_disks': self._generic_format(
configured_raid_settings.json(), controller=controller)}
return raid_data
else:
if self.physical_drives is None or not raid_message:
# This controller is not configured or controller
# not used in raid operation
return
else:
msg = ('Failed to perform the %(opr)s operation '
'successfully. Error - %(error)s'
% {'opr': raid_op, 'error': str(raid_message)})
raise exception.IloError(msg)
def delete_raid(self):
"""Clears the RAID configuration from the system.
"""
if not self.logical_drives:
msg = ('No logical drives found on the controller '
'%(controller)s' % {'controller': str(self.controller_id)})
LOG.debug(msg)
raise exception.IloLogicalDriveNotFoundError(msg)
lds = [{
'Actions': [{"Action": "LogicalDriveDelete"}],
'VolumeUniqueIdentifier':
logical_drive.volume_unique_identifier}
for logical_drive in self.logical_drives]
data = {'LogicalDrives': lds, 'DataGuard': 'Permissive'}
self._conn.put(self.settings_uri, data=data)
def create_raid(self, raid_config):
"""Create the raid configuration on the hardware.
:param raid_config: A dictionary containing target raid configuration
data. This data stucture should be as follows:
raid_config = {'logical_disks': [{'raid_level': 1,
'size_gb': 100, 'physical_disks': ['6I:1:5'],
'controller': 'HPE Smart Array P408i-a SR Gen10'},
<info-for-logical-disk-2>]}
"""
manager.validate(raid_config)
logical_drives = raid_config['logical_disks']
redfish_logical_disk = []
for ld in logical_drives:
ld_attr = {"Raid": "Raid" + ld["raid_level"]}
ld_attr[
"CapacityGiB"] = -1 if ld[
"size_gb"] == "MAX" else int(ld["size_gb"])
if 'physical_disks' in ld:
ld_attr["DataDrives"] = ld["physical_disks"]
else:
datadrives = {}
if 'number_of_physical_disks' in ld:
datadrives["DataDriveCount"] = (
ld["number_of_physical_disks"])
else:
datadrives["DataDriveCount"] = (constants.
RAID_LEVEL_MIN_DISKS
[ld["raid_level"]])
if 'disk_type' in ld:
datadrives["DataDriveMediaType"] = ld["disk_type"]
if 'interface_type' in ld:
datadrives["DataDriveInterfaceType"] = ld["interface_type"]
ld_attr["DataDrives"] = datadrives
if 'volume_name' in ld:
ld_attr["LogicalDriveName"] = ld["volume_name"]
redfish_logical_disk.append(ld_attr)
data = {
"DataGuard": "Disabled",
"LogicalDrives": redfish_logical_disk
}
self._conn.put(self.settings_uri, data=data)
def disk_erase(self, disks, disk_type, pattern):
"""Performs out of band sanitize disk erase on the hardware.
:param disks: List of location of disk drives.
:param disk_type: Media type of disk drives.
:param pattern: Erase pattern, if nothing passed default
('overwrite' for 'HDD', and 'block' for 'SSD') will
be used.
"""
hdd = storage_map.MEDIA_TYPE_MAP_REV[storage_const.MEDIA_TYPE_HDD]
if not pattern:
erase_pattern = storage_const.ERASE_PATTERN_OVERWRITE if (
disk_type == hdd) else storage_const.ERASE_PATTERN_BLOCK
else:
erase_pattern = storage_map.DISK_ERASE_PATTERN[pattern]
data = {"Actions": [{"Action": "PhysicalDriveErase",
"ErasePattern": erase_pattern,
"PhysicalDriveList": disks}],
"DataGuard": "Disabled"}
self._conn.patch(self.settings_uri, data=data)
def get_drives_has_raid(self):
"""Return the list of physical drives have raid
:return: List of disk drives
"""
drives = []
for ld in self.logical_drives:
drives.extend(ld.data_drives)
return drives
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