189 lines
5.5 KiB
Python
189 lines
5.5 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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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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"""
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Fake driver interfaces used in testing.
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This is also an example of some kinds of things which can be done within
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drivers. For instance, the MultipleVendorInterface class demonstrates how to
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load more than one interface and wrap them in some logic to route incoming
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vendor_passthru requests appropriately. This can be useful eg. when mixing
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functionality between a power interface and a deploy interface, when both rely
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on seprate vendor_passthru methods.
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"""
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from ironic.common import boot_devices
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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic.common import states
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from ironic.drivers import base
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def _raise_unsupported_error(method=None):
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if method:
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raise exception.InvalidParameterValue(_(
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"Unsupported method (%s) passed through to vendor extension.")
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% method)
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raise exception.MissingParameterValue(_(
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"Method not specified when calling vendor extension."))
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class FakePower(base.PowerInterface):
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"""Example implementation of a simple power interface."""
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def get_properties(self):
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return {}
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def validate(self, task):
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pass
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def get_power_state(self, task):
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return task.node.power_state
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def set_power_state(self, task, power_state):
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if power_state not in [states.POWER_ON, states.POWER_OFF]:
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raise exception.InvalidParameterValue(_("set_power_state called "
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"with an invalid power state: %s.") % power_state)
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task.node.power_state = power_state
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def reboot(self, task):
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pass
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class FakeDeploy(base.DeployInterface):
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"""Example imlementation of a deploy interface that uses a
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separate power interface.
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"""
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def get_properties(self):
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return {}
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def validate(self, task):
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pass
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def deploy(self, task):
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return states.DEPLOYDONE
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def tear_down(self, task):
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return states.DELETED
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def prepare(self, task):
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pass
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def clean_up(self, task):
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pass
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def take_over(self, task):
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pass
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class FakeVendorA(base.VendorInterface):
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"""Example implementation of a vendor passthru interface."""
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def get_properties(self):
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return {'A1': 'A1 description. Required.',
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'A2': 'A2 description. Optional.'}
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def validate(self, task, **kwargs):
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method = kwargs.get('method')
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if method == 'first_method':
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bar = kwargs.get('bar')
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if not bar:
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raise exception.MissingParameterValue(_(
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"Parameter 'bar' not passed to method 'first_method'."))
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return
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_raise_unsupported_error(method)
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def _private_method(self, task, bar):
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return True if bar == 'baz' else False
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def vendor_passthru(self, task, **kwargs):
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method = kwargs.get('method')
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if method == 'first_method':
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bar = kwargs.get('bar')
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return self._private_method(task, bar)
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_raise_unsupported_error(method)
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class FakeVendorB(base.VendorInterface):
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"""Example implementation of a secondary vendor passthru."""
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def get_properties(self):
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return {'B1': 'B1 description. Required.',
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'B2': 'B2 description. Required.'}
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def validate(self, task, **kwargs):
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method = kwargs.get('method')
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if method == 'second_method':
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bar = kwargs.get('bar')
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if not bar:
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raise exception.MissingParameterValue(_(
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"Parameter 'bar' not passed to method 'second_method'."))
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return
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_raise_unsupported_error(method)
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def _private_method(self, task, bar):
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return True if bar == 'kazoo' else False
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def vendor_passthru(self, task, **kwargs):
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method = kwargs.get('method')
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if method == 'second_method':
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bar = kwargs.get('bar')
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return self._private_method(task, bar)
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_raise_unsupported_error(method)
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class FakeConsole(base.ConsoleInterface):
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"""Example implementation of a simple console interface."""
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def get_properties(self):
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return {}
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def validate(self, task):
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pass
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def start_console(self, task):
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pass
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def stop_console(self, task):
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pass
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def get_console(self, task):
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return {}
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class FakeManagement(base.ManagementInterface):
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"""Example implementation of a simple management interface."""
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def get_properties(self):
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return {}
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def validate(self, task):
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pass
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def get_supported_boot_devices(self):
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return [boot_devices.PXE]
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def set_boot_device(self, task, device, persistent=False):
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if device not in self.get_supported_boot_devices():
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raise exception.InvalidParameterValue(_(
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"Invalid boot device %s specified.") % device)
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def get_boot_device(self, task):
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return {'boot_device': boot_devices.PXE, 'persistent': False}
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def get_sensors_data(self, task):
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return {}
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