80b3a1e99d
* WIP - Initial API implementation with Falcon * API service for /designs and /tasks endpoints REST API using falcon library Middleware for authentication (stubbed until Keystone is avail) Middleware for context and logging Request logging and initial error logging README updates * Cleanup readme formatting * Rename helm_drydock to drydock_provisioner * Fixed missing except statement * Fixed missing except statement * Reorganize API paths in a list Fix duplication of context init Add API version prefix to URLs * DRYD-2 MVP - phase 1 - node enlistment Add node driver task for IdentifyNode Implement MaaS API interface for Machines and Interfaces
103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other 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.
|
|
from threading import Thread, Lock
|
|
import uuid
|
|
import time
|
|
|
|
import drydock_provisioner.objects.fields as hd_fields
|
|
import drydock_provisioner.statemgmt as statemgmt
|
|
import drydock_provisioner.objects.task as tasks
|
|
import drydock_provisioner.error as errors
|
|
|
|
# This is the interface for the orchestrator to access a driver
|
|
# TODO Need to have each driver spin up a seperate thread to manage
|
|
# driver tasks and feed them via queue
|
|
class ProviderDriver(object):
|
|
|
|
def __init__(self, orchestrator=None, state_manager=None, **kwargs):
|
|
if orchestrator is None:
|
|
raise ValueError("ProviderDriver requires valid orchestrator")
|
|
|
|
self.orchestrator = orchestrator
|
|
|
|
if state_manager is None:
|
|
raise ValueError("ProviderDriver requires valid state manager")
|
|
|
|
self.state_manager = state_manager
|
|
|
|
# These are the actions that this driver supports
|
|
self.supported_actions = [hd_fields.OrchestratorAction.Noop]
|
|
|
|
self.driver_name = "generic"
|
|
self.driver_key = "generic"
|
|
self.driver_desc = "Generic Provider Driver"
|
|
|
|
def execute_task(self, task_id):
|
|
task = self.state_manager.get_task(task_id)
|
|
task_action = task.action
|
|
|
|
if task_action in self.supported_actions:
|
|
task_runner = DriverTaskRunner(task_id, self.state_manager,
|
|
self.orchestrator)
|
|
task_runner.start()
|
|
|
|
while task_runner.is_alive():
|
|
time.sleep(1)
|
|
|
|
return
|
|
else:
|
|
raise errors.DriverError("Unsupported action %s for driver %s" %
|
|
(task_action, self.driver_desc))
|
|
|
|
# Execute a single task in a separate thread
|
|
class DriverTaskRunner(Thread):
|
|
|
|
def __init__(self, task_id, state_manager=None, orchestrator=None):
|
|
super(DriverTaskRunner, self).__init__()
|
|
|
|
self.orchestrator = orchestrator
|
|
|
|
if isinstance(state_manager, statemgmt.DesignState):
|
|
self.state_manager = state_manager
|
|
else:
|
|
raise DriverError("Invalid state manager specified")
|
|
|
|
self.task = self.state_manager.get_task(task_id)
|
|
|
|
return
|
|
|
|
def run(self):
|
|
self.execute_task()
|
|
|
|
def execute_task(self):
|
|
if self.task.action == hd_fields.OrchestratorAction.Noop:
|
|
self.orchestrator.task_field_update(self.task.get_id(),
|
|
status=hd_fields.TaskStatus.Running)
|
|
|
|
i = 0
|
|
while i < 5:
|
|
self.task = self.state_manager.get_task(self.task.get_id())
|
|
i = i + 1
|
|
if self.task.terminate:
|
|
self.orchestrator.task_field_update(self.task.get_id(),
|
|
status=hd_fields.TaskStatus.Terminated)
|
|
return
|
|
else:
|
|
time.sleep(1)
|
|
|
|
self.orchestrator.task_field_update(self.task.get_id(),
|
|
status=hd_fields.TaskStatus.Complete)
|
|
return
|
|
|