0f39a55942
Adding the baclient code to Drydock requires a refactor of the build automation to support multiple languages and multiple artifacts included in a single Docker image NOTE: the go source here is a placeholder 'hello world' sample Change-Id: I1b4883f018b33b3d4fcd7cbcb6cba660fcdc93de
252 lines
9.6 KiB
Python
252 lines
9.6 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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 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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"""Task driver for completing node provisioning with Canonical MaaS 2.2+."""
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import logging
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import uuid
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import concurrent.futures
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from oslo_config import cfg
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import drydock_provisioner.error as errors
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import drydock_provisioner.objects.fields as hd_fields
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import drydock_provisioner.config as config
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from drydock_provisioner.drivers.node.driver import NodeDriver
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from drydock_provisioner.drivers.node.maasdriver.api_client import MaasRequestFactory
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from drydock_provisioner.drivers.node.maasdriver.models.boot_resource import BootResources
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from .actions.node import ValidateNodeServices
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from .actions.node import CreateStorageTemplate
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from .actions.node import CreateBootMedia
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from .actions.node import PrepareHardwareConfig
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from .actions.node import InterrogateNode
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from .actions.node import DestroyNode
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from .actions.node import CreateNetworkTemplate
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from .actions.node import ConfigureUserCredentials
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from .actions.node import IdentifyNode
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from .actions.node import ConfigureHardware
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from .actions.node import ApplyNodeNetworking
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from .actions.node import ApplyNodePlatform
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from .actions.node import ApplyNodeStorage
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from .actions.node import DeployNode
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from .actions.node import ConfigureNodeProvisioner
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class MaasNodeDriver(NodeDriver):
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maasdriver_options = [
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cfg.StrOpt(
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'maas_api_key', help='The API key for accessing MaaS',
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secret=True),
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cfg.StrOpt('maas_api_url', help='The URL for accessing MaaS API'),
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cfg.IntOpt(
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'poll_interval',
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default=10,
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help='Polling interval for querying MaaS status in seconds'),
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]
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driver_name = 'maasdriver'
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driver_key = 'maasdriver'
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driver_desc = 'MaaS Node Provisioning Driver'
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action_class_map = {
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hd_fields.OrchestratorAction.ValidateNodeServices:
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ValidateNodeServices,
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hd_fields.OrchestratorAction.CreateStorageTemplate:
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CreateStorageTemplate,
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hd_fields.OrchestratorAction.CreateBootMedia:
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CreateBootMedia,
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hd_fields.OrchestratorAction.PrepareHardwareConfig:
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PrepareHardwareConfig,
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hd_fields.OrchestratorAction.InterrogateNode:
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InterrogateNode,
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hd_fields.OrchestratorAction.DestroyNode:
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DestroyNode,
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hd_fields.OrchestratorAction.CreateNetworkTemplate:
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CreateNetworkTemplate,
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hd_fields.OrchestratorAction.ConfigureUserCredentials:
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ConfigureUserCredentials,
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hd_fields.OrchestratorAction.IdentifyNode:
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IdentifyNode,
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hd_fields.OrchestratorAction.ConfigureHardware:
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ConfigureHardware,
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hd_fields.OrchestratorAction.ApplyNodeNetworking:
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ApplyNodeNetworking,
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hd_fields.OrchestratorAction.ApplyNodePlatform:
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ApplyNodePlatform,
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hd_fields.OrchestratorAction.ApplyNodeStorage:
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ApplyNodeStorage,
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hd_fields.OrchestratorAction.DeployNode:
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DeployNode,
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hd_fields.OrchestratorAction.ConfigureNodeProvisioner:
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ConfigureNodeProvisioner,
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}
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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cfg.CONF.register_opts(
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MaasNodeDriver.maasdriver_options, group=MaasNodeDriver.driver_key)
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self.logger = logging.getLogger(
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cfg.CONF.logging.nodedriver_logger_name)
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def execute_task(self, task_id):
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# actions that should be threaded for execution
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threaded_actions = [
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hd_fields.OrchestratorAction.InterrogateNode,
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hd_fields.OrchestratorAction.DestroyNode,
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hd_fields.OrchestratorAction.IdentifyNode,
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hd_fields.OrchestratorAction.ConfigureHardware,
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hd_fields.OrchestratorAction.ApplyNodeNetworking,
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hd_fields.OrchestratorAction.ApplyNodeStorage,
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hd_fields.OrchestratorAction.ApplyNodePlatform,
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hd_fields.OrchestratorAction.DeployNode
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]
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action_timeouts = {
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hd_fields.OrchestratorAction.IdentifyNode:
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config.config_mgr.conf.timeouts.identify_node,
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hd_fields.OrchestratorAction.ConfigureHardware:
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config.config_mgr.conf.timeouts.configure_hardware,
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hd_fields.OrchestratorAction.DeployNode:
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config.config_mgr.conf.timeouts.deploy_node,
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}
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task = self.state_manager.get_task(task_id)
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if task is None:
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raise errors.DriverError("Invalid task %s" % (task_id))
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if task.action not in self.supported_actions:
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raise errors.DriverError("Driver %s doesn't support task action %s"
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% (self.driver_desc, task.action))
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task.set_status(hd_fields.TaskStatus.Running)
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task.save()
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if task.action in threaded_actions:
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if task.retry > 0:
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msg = "Retrying task %s on previous failed entities." % str(
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task.get_id())
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task.add_status_msg(
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msg=msg,
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error=False,
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ctx=str(task.get_id()),
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ctx_type='task')
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target_nodes = self.orchestrator.get_target_nodes(
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task, failures=True)
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else:
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target_nodes = self.orchestrator.get_target_nodes(task)
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with concurrent.futures.ThreadPoolExecutor(max_workers=16) as e:
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subtask_futures = dict()
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for n in target_nodes:
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maas_client = MaasRequestFactory(
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config.config_mgr.conf.maasdriver.maas_api_url,
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config.config_mgr.conf.maasdriver.maas_api_key)
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nf = self.orchestrator.create_nodefilter_from_nodelist([n])
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subtask = self.orchestrator.create_task(
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design_ref=task.design_ref,
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action=task.action,
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node_filter=nf,
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retry=task.retry)
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task.register_subtask(subtask)
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action = self.action_class_map.get(task.action, None)(
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subtask,
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self.orchestrator,
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self.state_manager,
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maas_client=maas_client)
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subtask_futures[subtask.get_id().bytes] = e.submit(
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action.start)
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timeout = action_timeouts.get(
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task.action,
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config.config_mgr.conf.timeouts.drydock_timeout)
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finished, running = concurrent.futures.wait(
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subtask_futures.values(), timeout=(timeout * 60))
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for t, f in subtask_futures.items():
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if not f.done():
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task.add_status_msg(
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"Subtask %s timed out before completing.",
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error=True,
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ctx=str(uuid.UUID(bytes=t)),
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ctx_type='task')
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task.failure()
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else:
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if f.exception():
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self.logger.error(
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"Uncaught exception in subtask %s." % str(
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uuid.UUID(bytes=t)),
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exc_info=f.exception())
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task.failure()
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task.bubble_results()
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task.align_result()
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else:
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try:
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maas_client = MaasRequestFactory(
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config.config_mgr.conf.maasdriver.maas_api_url,
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config.config_mgr.conf.maasdriver.maas_api_key)
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action = self.action_class_map.get(task.action, None)(
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task,
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self.orchestrator,
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self.state_manager,
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maas_client=maas_client)
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action.start()
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except Exception as e:
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msg = ("Subtask for action %s raised unexpected exception: %s"
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% (task.action, str(e)))
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self.logger.error(msg, exc_info=e)
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task.add_status_msg(
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msg=msg,
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error=True,
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ctx=str(task.get_id()),
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ctx_type='task')
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task.failure()
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task.set_status(hd_fields.TaskStatus.Complete)
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task.save()
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return
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def get_available_images(self):
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"""Return images available in MAAS."""
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maas_client = MaasRequestFactory(
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config.config_mgr.conf.maasdriver.maas_api_url,
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config.config_mgr.conf.maasdriver.maas_api_key)
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br = BootResources(maas_client)
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br.refresh()
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return br.get_available_images()
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def get_available_kernels(self, image_name):
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"""Return kernels available for ``image_name``.
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:param image_name: str image name (e.g. 'xenial')
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"""
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maas_client = MaasRequestFactory(
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config.config_mgr.conf.maasdriver.maas_api_url,
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config.config_mgr.conf.maasdriver.maas_api_key)
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br = BootResources(maas_client)
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br.refresh()
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return br.get_available_kernels(image_name)
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def list_opts():
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return {MaasNodeDriver.driver_key: MaasNodeDriver.maasdriver_options}
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