sushy/sushy/resources/system/system.py

402 lines
15 KiB
Python

# Copyright 2017 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
import logging
from sushy import exceptions
from sushy.resources import base
from sushy.resources import common
from sushy.resources.system import bios
from sushy.resources.system import constants as sys_cons
from sushy.resources.system import ethernet_interface
from sushy.resources.system import mappings as sys_maps
from sushy.resources.system import processor
from sushy.resources.system import simple_storage as sys_simple_storage
from sushy.resources.system.storage import storage as sys_storage
from sushy import utils
LOG = logging.getLogger(__name__)
class ActionsField(base.CompositeField):
reset = common.ResetActionField('#ComputerSystem.Reset')
class BootField(base.CompositeField):
allowed_values = base.Field(
'BootSourceOverrideTarget@Redfish.AllowableValues',
adapter=list)
enabled = base.MappedField('BootSourceOverrideEnabled',
sys_maps.BOOT_SOURCE_ENABLED_MAP)
mode = base.MappedField('BootSourceOverrideMode',
sys_maps.BOOT_SOURCE_MODE_MAP)
target = base.MappedField('BootSourceOverrideTarget',
sys_maps.BOOT_SOURCE_TARGET_MAP)
class MemorySummaryField(base.CompositeField):
health = base.Field(['Status', 'HealthRollup'])
"""The overall health state of memory.
This signifies health state of memory along with its dependent resources.
"""
size_gib = base.Field('TotalSystemMemoryGiB', adapter=utils.int_or_none)
"""The size of memory of the system in GiB.
This signifies the total installed, operating system-accessible memory
(RAM), measured in GiB.
"""
class System(base.ResourceBase):
asset_tag = base.Field('AssetTag')
"""The system asset tag"""
bios_version = base.Field('BiosVersion')
"""The system BIOS version"""
boot = BootField('Boot', required=True)
"""A dictionary containg the current boot device, frequency and mode"""
description = base.Field('Description')
"""The system description"""
hostname = base.Field('HostName')
"""The system hostname"""
identity = base.Field('Id', required=True)
"""The system identity string"""
indicator_led = base.MappedField('IndicatorLED',
sys_maps.SYSTEM_INDICATOR_LED_MAP)
"""Whether the indicator LED is lit or off"""
manufacturer = base.Field('Manufacturer')
"""The system manufacturer"""
name = base.Field('Name')
"""The system name"""
part_number = base.Field('PartNumber')
"""The system part number"""
power_state = base.MappedField('PowerState',
sys_maps.SYSTEM_POWER_STATE_MAP)
"""The system power state"""
serial_number = base.Field('SerialNumber')
"""The system serial number"""
sku = base.Field('SKU')
"""The system stock-keeping unit"""
status = common.StatusField('Status')
"""The system status"""
# TODO(lucasagomes): Create mappings for the system_type
system_type = base.Field('SystemType')
"""The system type"""
uuid = base.Field('UUID')
"""The system UUID"""
memory_summary = MemorySummaryField('MemorySummary')
"""The summary info of memory of the system in general detail"""
_actions = ActionsField('Actions', required=True)
# reference to ProcessorCollection instance
_processors = None
# reference to EthernetInterfaceCollection instance
_ethernet_interfaces = None
# reference to BIOS instance
_bios = None
# reference to SimpleStorageCollection instance
_simple_storage = None
# reference to StorageCollection instance
_storage = None
def __init__(self, connector, identity, redfish_version=None):
"""A class representing a ComputerSystem
:param connector: A Connector instance
:param identity: The identity of the System resource
:param redfish_version: The version of RedFish. Used to construct
the object according to schema of the given version.
"""
super(System, self).__init__(connector, identity, redfish_version)
def _get_reset_action_element(self):
reset_action = self._actions.reset
# TODO(dtantsur): make this check also declarative?
if not reset_action:
raise exceptions.MissingActionError(action='#ComputerSystem.Reset',
resource=self._path)
return reset_action
def get_allowed_reset_system_values(self):
"""Get the allowed values for resetting the system.
:returns: A set with the allowed values.
"""
reset_action = self._get_reset_action_element()
if not reset_action.allowed_values:
LOG.warning('Could not figure out the allowed values for the '
'reset system action for System %s', self.identity)
return set(sys_maps.RESET_SYSTEM_VALUE_MAP_REV)
return set([sys_maps.RESET_SYSTEM_VALUE_MAP[v] for v in
set(sys_maps.RESET_SYSTEM_VALUE_MAP).
intersection(reset_action.allowed_values)])
def reset_system(self, value):
"""Reset the system.
:param value: The target value.
:raises: InvalidParameterValueError, if the target value is not
allowed.
"""
valid_resets = self.get_allowed_reset_system_values()
if value not in valid_resets:
raise exceptions.InvalidParameterValueError(
parameter='value', value=value, valid_values=valid_resets)
value = sys_maps.RESET_SYSTEM_VALUE_MAP_REV[value]
target_uri = self._get_reset_action_element().target_uri
# TODO(lucasagomes): Check the return code and response body ?
# Probably we should call refresh() as well.
self._conn.post(target_uri, data={'ResetType': value})
def get_allowed_system_boot_source_values(self):
"""Get the allowed values for changing the boot source.
:returns: A set with the allowed values.
"""
if not self.boot.allowed_values:
LOG.warning('Could not figure out the allowed values for '
'configuring the boot source for System %s',
self.identity)
return set(sys_maps.BOOT_SOURCE_TARGET_MAP_REV)
return set([sys_maps.BOOT_SOURCE_TARGET_MAP[v] for v in
set(sys_maps.BOOT_SOURCE_TARGET_MAP).
intersection(self.boot.allowed_values)])
def set_system_boot_source(self, target,
enabled=sys_cons.BOOT_SOURCE_ENABLED_ONCE,
mode=None):
"""Set the boot source.
Set the boot source to use on next reboot of the System.
:param target: The target boot source.
:param enabled: The frequency, whether to set it for the next
reboot only (BOOT_SOURCE_ENABLED_ONCE) or persistent to all
future reboots (BOOT_SOURCE_ENABLED_CONTINUOUS) or disabled
(BOOT_SOURCE_ENABLED_DISABLED).
:param mode: The boot mode, UEFI (BOOT_SOURCE_MODE_UEFI) or
BIOS (BOOT_SOURCE_MODE_BIOS).
:raises: InvalidParameterValueError, if any information passed is
invalid.
"""
valid_targets = self.get_allowed_system_boot_source_values()
if target not in valid_targets:
raise exceptions.InvalidParameterValueError(
parameter='target', value=target, valid_values=valid_targets)
if enabled not in sys_maps.BOOT_SOURCE_ENABLED_MAP_REV:
raise exceptions.InvalidParameterValueError(
parameter='enabled', value=enabled,
valid_values=list(sys_maps.BOOT_SOURCE_ENABLED_MAP_REV))
data = {
'Boot': {
'BootSourceOverrideTarget':
sys_maps.BOOT_SOURCE_TARGET_MAP_REV[target],
'BootSourceOverrideEnabled':
sys_maps.BOOT_SOURCE_ENABLED_MAP_REV[enabled]
}
}
if mode is not None:
if mode not in sys_maps.BOOT_SOURCE_MODE_MAP_REV:
raise exceptions.InvalidParameterValueError(
parameter='mode', value=mode,
valid_values=list(sys_maps.BOOT_SOURCE_MODE_MAP_REV))
data['Boot']['BootSourceOverrideMode'] = (
sys_maps.BOOT_SOURCE_MODE_MAP_REV[mode])
# TODO(lucasagomes): Check the return code and response body ?
# Probably we should call refresh() as well.
self._conn.patch(self.path, data=data)
# TODO(lucasagomes): All system have a Manager and Chassis object,
# include a get_manager() and get_chassis() once we have an abstraction
# for those resources.
def _get_processor_collection_path(self):
"""Helper function to find the ProcessorCollection path"""
return utils.get_sub_resource_path_by(self, 'Processors')
@property
def processors(self):
"""Property to reference `ProcessorCollection` instance
It is set once when the first time it is queried. On refresh,
this property is marked as stale (greedy-refresh not done).
Here the actual refresh of the sub-resource happens, if stale.
"""
if self._processors is None:
self._processors = processor.ProcessorCollection(
self._conn, self._get_processor_collection_path(),
redfish_version=self.redfish_version)
self._processors.refresh(force=False)
return self._processors
@property
def ethernet_interfaces(self):
"""Property to reference `EthernetInterfaceCollection` instance
It is set once when the first time it is queried. On refresh,
this property is marked as stale (greedy-refresh not done).
Here the actual refresh of the sub-resource happens, if stale.
"""
if self._ethernet_interfaces is None:
self._ethernet_interfaces = (
ethernet_interface.EthernetInterfaceCollection(
self._conn,
utils.get_sub_resource_path_by(self, "EthernetInterfaces"),
redfish_version=self.redfish_version))
self._ethernet_interfaces.refresh(force=False)
return self._ethernet_interfaces
@property
def bios(self):
"""Property to reference `Bios` instance
It is set once when the first time it is queried. On refresh,
this property is marked as stale (greedy-refresh not done).
Here the actual refresh of the sub-resource happens, if stale.
"""
if self._bios is None:
self._bios = bios.Bios(
self._conn,
utils.get_sub_resource_path_by(self, 'Bios'),
redfish_version=self.redfish_version)
self._bios.refresh(force=False)
return self._bios
@property
def simple_storage(self):
"""A collection of simple storage associated with system.
This returns a reference to `SimpleStorageCollection` instance.
SimpleStorage represents the properties of a storage controller and its
directly-attached devices.
It is set once when the first time it is queried. On refresh,
this property is marked as stale (greedy-refresh not done).
Here the actual refresh of the sub-resource happens, if stale.
:raises: MissingAttributeError if 'SimpleStorage/@odata.id' field
is missing.
:returns: `SimpleStorageCollection` instance
"""
if self._simple_storage is None:
self._simple_storage = sys_simple_storage.SimpleStorageCollection(
self._conn,
utils.get_sub_resource_path_by(self, "SimpleStorage"),
redfish_version=self.redfish_version)
self._simple_storage.refresh(force=False)
return self._simple_storage
@property
def storage(self):
"""A collection of storage subsystems associated with system.
This returns a reference to `StorageCollection` instance.
A storage subsystem represents a set of storage controllers (physical
or virtual) and the resources such as drives and volumes that can be
accessed from that subsystem.
It is set once when the first time it is queried. On refresh,
this property is marked as stale (greedy-refresh not done).
Here the actual refresh of the sub-resource happens, if stale.
:raises: MissingAttributeError if 'Storage/@odata.id' field
is missing.
:returns: `StorageCollection` instance
"""
if self._storage is None:
self._storage = sys_storage.StorageCollection(
self._conn, utils.get_sub_resource_path_by(self, "Storage"),
redfish_version=self.redfish_version)
self._storage.refresh(force=False)
return self._storage
def _do_refresh(self, force=False):
"""Do custom resource specific refresh activities
On refresh, all sub-resources are marked as stale, i.e.
greedy-refresh not done for them unless forced by ``force``
argument.
"""
if self._processors is not None:
self._processors.invalidate(force)
if self._ethernet_interfaces is not None:
self._ethernet_interfaces.invalidate(force)
if self._bios is not None:
self._bios.invalidate(force)
if self._simple_storage is not None:
self._simple_storage.invalidate(force)
if self._storage is not None:
self._storage.invalidate(force)
class SystemCollection(base.ResourceCollectionBase):
@property
def _resource_type(self):
return System
def __init__(self, connector, path, redfish_version=None):
"""A class representing a ComputerSystemCollection
:param connector: A Connector instance
:param path: The canonical path to the System collection resource
:param redfish_version: The version of RedFish. Used to construct
the object according to schema of the given version.
"""
super(SystemCollection, self).__init__(connector, path,
redfish_version)