6e6e5907ee
The return value of ironic_client.node.set_power_state is None, so it's useless to return the result. We should check the node state until it's changed or timeout. Change-Id: I31f75a2c4a721ce4481e6ae7fb83d154a443dad9 Closes-Bug: #1713655
134 lines
4.0 KiB
Python
134 lines
4.0 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2017 ZTE
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#
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# Authors: Li Canwei
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import enum
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import time
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from watcher._i18n import _
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from watcher.applier.actions import base
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from watcher.common import exception
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class NodeState(enum.Enum):
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POWERON = 'on'
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POWEROFF = 'off'
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class ChangeNodePowerState(base.BaseAction):
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"""Compute node power on/off
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By using this action, you will be able to on/off the power of a
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compute node.
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The action schema is::
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schema = Schema({
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'resource_id': str,
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'state': str,
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})
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The `resource_id` references a ironic node id (list of available
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ironic node is returned by this command: ``ironic node-list``).
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The `state` value should either be `on` or `off`.
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"""
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STATE = 'state'
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@property
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def schema(self):
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return {
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'type': 'object',
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'properties': {
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'resource_id': {
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'type': 'string',
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"minlength": 1
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},
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'state': {
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'type': 'string',
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'enum': [NodeState.POWERON.value,
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NodeState.POWEROFF.value]
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}
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},
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'required': ['resource_id', 'state'],
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'additionalProperties': False,
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}
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@property
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def node_uuid(self):
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return self.resource_id
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@property
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def state(self):
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return self.input_parameters.get(self.STATE)
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def execute(self):
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target_state = self.state
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return self._node_manage_power(target_state)
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def revert(self):
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if self.state == NodeState.POWERON.value:
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target_state = NodeState.POWEROFF.value
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elif self.state == NodeState.POWEROFF.value:
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target_state = NodeState.POWERON.value
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return self._node_manage_power(target_state)
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def _node_manage_power(self, state, retry=60):
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if state is None:
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raise exception.IllegalArgumentException(
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message=_("The target state is not defined"))
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ironic_client = self.osc.ironic()
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nova_client = self.osc.nova()
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current_state = ironic_client.node.get(self.node_uuid).power_state
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# power state: 'power on' or 'power off', if current node state
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# is the same as state, just return True
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if state in current_state:
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return True
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if state == NodeState.POWEROFF.value:
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node_info = ironic_client.node.get(self.node_uuid).to_dict()
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compute_node_id = node_info['extra']['compute_node_id']
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compute_node = nova_client.hypervisors.get(compute_node_id)
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compute_node = compute_node.to_dict()
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if (compute_node['running_vms'] == 0):
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ironic_client.node.set_power_state(
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self.node_uuid, state)
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else:
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ironic_client.node.set_power_state(self.node_uuid, state)
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ironic_node = ironic_client.node.get(self.node_uuid)
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while ironic_node.power_state == current_state and retry:
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time.sleep(10)
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retry -= 1
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ironic_node = ironic_client.node.get(self.node_uuid)
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if retry > 0:
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return True
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else:
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return False
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def pre_condition(self):
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pass
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def post_condition(self):
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pass
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def get_description(self):
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"""Description of the action"""
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return ("Compute node power on/off through ironic.")
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