79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright 2019 Red Hat, Inc.
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# All Rights Reserved.
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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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from sushy_tools.emulator import memoize
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from sushy_tools.emulator.resources import base
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from sushy_tools import error
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class StaticDriver(base.DriverBase):
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"""Redfish indicator LED simulator
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Maintain indicators states in memory. Does not light up
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anything.
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"""
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def __init__(self, config, logger):
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super().__init__(config, logger)
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self._indicators = memoize.PersistentDict()
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if hasattr(self._indicators, 'make_permanent'):
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self._indicators.make_permanent(
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self._config.get('SUSHY_EMULATOR_STATE_DIR'), 'indicators')
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self._indicators.update(
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self._config.get('SUSHY_EMULATOR_INDICATOR_LEDS', {}))
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@property
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def driver(self):
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"""Return human-friendly driver information
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:returns: driver information as `str`
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"""
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return '<static-indicators>'
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@property
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def indicators(self):
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"""Return available Redfish indicators
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:returns: list of UUIDs representing the indicators
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"""
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return list(self._indicators)
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def get_indicator_state(self, identity):
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"""Get indicator state
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:param identity: indicator identity
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:returns: indicator state as one of *Lit*, *Blinking*,
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*Off*
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"""
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if identity not in self._indicators:
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self._indicators[identity] = 'Lit'
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return self._indicators[identity]
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def set_indicator_state(self, identity, state):
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"""Set indicator state
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:param identity: indicator identity
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:param state: indicator state as one of *Lit*, *Blinking*, *Off*
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:raises: `error.FishyError` if desired state can't be set
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"""
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if state not in ('Lit', 'Off', 'Blinking'):
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raise error.FishyError(
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'Unknown indicator state %s, ID %s' % (state, identity))
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self._indicators[identity] = state
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