235 lines
7.6 KiB
Python
235 lines
7.6 KiB
Python
# Copyright 2017 Hewlett Packard Enterprise Development LP
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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from proliantutils.redfish.resources.system.storage import constants
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from proliantutils.redfish.resources.system.storage import drive as sys_drives
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from proliantutils.redfish.resources.system.storage \
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import volume as sys_volumes
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from proliantutils.redfish import utils
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from sushy.resources import base
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LOG = logging.getLogger(__name__)
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class Storage(base.ResourceBase):
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"""This class represents the Storage resource"""
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identity = base.Field('Id', required=True)
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"""The Storage identity string"""
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name = base.Field('Name')
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"""The name of the resource or array element"""
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description = base.Field('Description')
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"""Description"""
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drives = base.Field('Drives')
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"""The set of drives attached to the storage controllers"""
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_volumes = None
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_drives_maximum_size_bytes = None
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_has_ssd = None
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_has_rotational = None
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_has_nvme_ssd = None
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_drive_rotational_speed_rpm = None
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@property
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def volumes(self):
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"""This property prepares the list of volumes
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:return a list of volumes.
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"""
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if self._volumes is None:
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self._volumes = sys_volumes.VolumeCollection(
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self._conn, utils.get_subresource_path_by(self, 'Volumes'),
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redfish_version=self.redfish_version)
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return self._volumes
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def _drives_list(self):
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"""Gets the list of drives
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:return a list of drives.
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"""
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drives_list = []
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for member in self.drives:
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drives_list.append(sys_drives.Drive(
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self._conn, member.get('@odata.id'), self.redfish_version))
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return drives_list
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@property
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def drives_maximum_size_bytes(self):
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"""Gets the biggest disk
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:returns the size in MiB.
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"""
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if self._drives_maximum_size_bytes is None:
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self._drives_maximum_size_bytes = (
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utils.max_safe([member.capacity_bytes
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for member in self._drives_list()]))
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return self._drives_maximum_size_bytes
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@property
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def has_ssd(self):
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"""Return true if any of the drive is ssd"""
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if self._has_ssd is None:
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self._has_ssd = False
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for member in self._drives_list():
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if member.media_type == constants.MEDIA_TYPE_SSD:
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self._has_ssd = True
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break
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return self._has_ssd
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@property
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def has_rotational(self):
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"""Return true if any of the drive is HDD"""
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if self._has_rotational is None:
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self._has_rotational = False
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for member in self._drives_list():
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if member.media_type == constants.MEDIA_TYPE_HDD:
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self._has_rotational = True
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break
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return self._has_rotational
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@property
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def has_nvme_ssd(self):
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"""Return True if the drive is SSD and protocol is NVMe"""
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if self._has_nvme_ssd is None:
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self._has_nvme_ssd = False
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for member in self._drives_list():
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if (member.media_type == constants.MEDIA_TYPE_SSD and
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member.protocol == constants.PROTOCOL_NVMe):
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self._has_nvme_ssd = True
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return self._has_nvme_ssd
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@property
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def drive_rotational_speed_rpm(self):
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"""Gets set of rotational speed of the disks"""
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if self._drive_rotational_speed_rpm is None:
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self._drive_rotational_speed_rpm = set()
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for member in self._drives_list():
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if member.rotation_speed_rpm is not None:
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self._drive_rotational_speed_rpm.add(
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member.rotation_speed_rpm)
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return self._drive_rotational_speed_rpm
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def refresh(self):
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super(Storage, self).refresh()
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self._drives_maximum_size_bytes = None
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self._volumes = None
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self._has_ssd = None
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self._has_rotational = None
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self._has_nvme_ssd = None
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self._drive_rotational_speed_rpm = None
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class StorageCollection(base.ResourceCollectionBase):
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"""This class represents the collection of Storage resource"""
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_volumes_maximum_size_bytes = None
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_drives_maximum_size_bytes = None
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_has_ssd = None
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_has_rotational = None
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_has_nvme_ssd = None
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_drive_rotational_speed_rpm = None
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@property
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def _resource_type(self):
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return Storage
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@property
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def volumes_maximum_size_bytes(self):
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"""Gets the biggest logical drive
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:returns the size in MiB.
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"""
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if self._volumes_maximum_size_bytes is None:
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self._volumes_maximum_size_bytes = (
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utils.max_safe([member.volumes.maximum_size_bytes
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for member in self.get_members()]))
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return self._volumes_maximum_size_bytes
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@property
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def drives_maximum_size_bytes(self):
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"""Gets the biggest disk
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:returns the size in MiB.
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"""
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if self._drives_maximum_size_bytes is None:
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self._drives_maximum_size_bytes = (
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utils.max_safe([member.drives_maximum_size_bytes
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for member in self.get_members()]))
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return self._drives_maximum_size_bytes
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@property
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def has_ssd(self):
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"""Return true if Storage has any drive as ssd"""
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if self._has_ssd is None:
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self._has_ssd = False
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for member in self.get_members():
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if member.has_ssd:
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self._has_ssd = True
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break
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return self._has_ssd
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@property
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def has_rotational(self):
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"""Return true if Storage has any drive as HDD"""
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if self._has_rotational is None:
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self._has_rotational = False
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for member in self.get_members():
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if member.has_rotational:
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self._has_rotational = True
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break
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return self._has_rotational
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@property
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def has_nvme_ssd(self):
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"""Return True if Storage has SSD drive and protocol is NVMe"""
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if self._has_nvme_ssd is None:
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self._has_nvme_ssd = False
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for member in self.get_members():
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if member.has_nvme_ssd:
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self._has_nvme_ssd = True
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break
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return self._has_nvme_ssd
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@property
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def drive_rotational_speed_rpm(self):
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"""Gets set of rotational speed of the disks"""
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if self._drive_rotational_speed_rpm is None:
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self._drive_rotational_speed_rpm = set()
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for member in self.get_members():
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self._drive_rotational_speed_rpm.update(
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member.drive_rotational_speed_rpm)
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return self._drive_rotational_speed_rpm
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def refresh(self):
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super(StorageCollection, self).refresh()
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self._volumes_maximum_size_bytes = None
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self._drives_maximum_size_bytes = None
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self._has_ssd = None
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self._has_rotational = None
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self._has_nvme_ssd = None
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self._drive_rotational_speed_rpm = None
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