Refactor Drydock Operator
We will move away from the usage of if/else block and will instead make use of inheritance (drydock base operator) and task specific operators in our dags to execute the workflow Change-Id: Ifea530ad8a8a2a591b511be4f037d7b4b9dd6c6f
This commit is contained in:
Anthony Lin
parent
7219519135
commit
f7d02238c3
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@ -13,7 +13,7 @@
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# limitations under the License.
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from airflow.models import DAG
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from airflow.operators import DryDockOperator
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from airflow.operators import DrydockDestroyNodeOperator
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from airflow.operators import PromenadeCheckEtcdOperator
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from airflow.operators import PromenadeClearLabelsOperator
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from airflow.operators import PromenadeDecommissionNodeOperator
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@ -67,10 +67,9 @@ def destroy_server(parent_dag_name, child_dag_name, args):
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dag=dag)
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# Power down and destroy node using DryDock
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drydock_destroy_node = DryDockOperator(
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drydock_destroy_node = DrydockDestroyNodeOperator(
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task_id='destroy_node',
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shipyard_conf=config_path,
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action='destroy_node',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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@ -1,4 +1,4 @@
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# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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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@ -13,7 +13,10 @@
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# limitations under the License.
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from airflow.models import DAG
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from airflow.operators import DryDockOperator
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from airflow.operators import DrydockDeployNodesOperator
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from airflow.operators import DrydockPrepareNodesOperator
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from airflow.operators import DrydockPrepareSiteOperator
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from airflow.operators import DrydockVerifySiteOperator
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from config_path import config_path
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@ -26,34 +29,30 @@ def deploy_site_drydock(parent_dag_name, child_dag_name, args):
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'{}.{}'.format(parent_dag_name, child_dag_name),
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default_args=args)
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drydock_verify_site = DryDockOperator(
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drydock_verify_site = DrydockVerifySiteOperator(
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task_id='verify_site',
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shipyard_conf=config_path,
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action='verify_site',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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drydock_prepare_site = DryDockOperator(
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drydock_prepare_site = DrydockPrepareSiteOperator(
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task_id='prepare_site',
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shipyard_conf=config_path,
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action='prepare_site',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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drydock_prepare_nodes = DryDockOperator(
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drydock_prepare_nodes = DrydockPrepareNodesOperator(
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task_id='prepare_nodes',
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shipyard_conf=config_path,
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action='prepare_nodes',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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drydock_deploy_nodes = DryDockOperator(
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drydock_deploy_nodes = DrydockDeployNodesOperator(
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task_id='deploy_nodes',
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shipyard_conf=config_path,
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action='deploy_nodes',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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@ -1,4 +1,4 @@
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# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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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@ -15,7 +15,7 @@
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from airflow.models import DAG
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from airflow.operators import ArmadaOperator
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from airflow.operators import DeckhandValidateSiteDesignOperator
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from airflow.operators import DryDockOperator
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from airflow.operators import DrydockValidateDesignOperator
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from config_path import config_path
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@ -33,12 +33,12 @@ def validate_site_design(parent_dag_name, child_dag_name, args):
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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retries=3,
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dag=dag)
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drydock_validate_docs = DryDockOperator(
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drydock_validate_docs = DrydockValidateDesignOperator(
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task_id='drydock_validate_site_design',
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shipyard_conf=config_path,
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action='validate_site_design',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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retries=3,
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@ -0,0 +1,289 @@
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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 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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import logging
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import os
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import time
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from urllib.parse import urlparse
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from airflow.exceptions import AirflowException
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from airflow.models import BaseOperator
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from airflow.plugins_manager import AirflowPlugin
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from airflow.utils.decorators import apply_defaults
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import drydock_provisioner.drydock_client.client as client
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import drydock_provisioner.drydock_client.session as session
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from drydock_provisioner import error as errors
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from service_endpoint import ucp_service_endpoint
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from service_token import shipyard_service_token
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from xcom_puller import XcomPuller
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class DrydockBaseOperator(BaseOperator):
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"""Drydock Base Operator
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All drydock related workflow operators will use the drydock
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base operator as the parent and inherit attributes and methods
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from this class
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"""
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@apply_defaults
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def __init__(self,
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deckhand_design_ref=None,
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deckhand_svc_type='deckhand',
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drydock_client=None,
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drydock_svc_endpoint=None,
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drydock_svc_type='physicalprovisioner',
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drydock_task_id=None,
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main_dag_name=None,
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node_filter=None,
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redeploy_server=None,
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shipyard_conf=None,
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sub_dag_name=None,
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svc_session=None,
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svc_token=None,
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xcom_push=True,
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*args, **kwargs):
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"""Initialization of DrydockBaseOperator object.
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:param deckhand_design_ref: A URI reference to the design documents
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:param deckhand_svc_type: Deckhand Service Type
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:param drydockclient: An instance of drydock client
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:param drydock_svc_endpoint: Drydock Service Endpoint
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:param drydock_svc_type: Drydock Service Type
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:param drydock_task_id: Drydock Task ID
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:param main_dag_name: Parent Dag
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:param node_filter: A filter for narrowing the scope of the task.
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Valid fields are 'node_names', 'rack_names',
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'node_tags'. Note that node filter is turned
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off by default, i.e. all nodes will be deployed.
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:param redeploy_server: Server to be redeployed
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:param shipyard_conf: Location of shipyard.conf
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:param sub_dag_name: Child Dag
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:param svc_session: Keystone Session
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:param svc_token: Keystone Token
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:param xcom_push: xcom usage
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The Drydock operator assumes that prior steps have set xcoms for
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the action and the deployment configuration
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"""
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super(DrydockBaseOperator, self).__init__(*args, **kwargs)
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self.deckhand_design_ref = deckhand_design_ref
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self.deckhand_svc_type = deckhand_svc_type
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self.drydock_client = drydock_client
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self.drydock_svc_endpoint = drydock_svc_endpoint
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self.drydock_svc_type = drydock_svc_type
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self.drydock_task_id = drydock_task_id
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self.main_dag_name = main_dag_name
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self.node_filter = node_filter
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self.redeploy_server = redeploy_server
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self.shipyard_conf = shipyard_conf
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self.svc_token = svc_token
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self.sub_dag_name = sub_dag_name
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self.svc_session = svc_session
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self.svc_token = svc_token
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self.xcom_push_flag = xcom_push
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def execute(self, context):
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# Execute drydock base function
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self.drydock_base(context)
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# Exeute child function
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self.do_execute()
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def drydock_base(self, context):
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# Initialize Variables
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drydock_url = None
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dd_session = None
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# Define task_instance
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task_instance = context['task_instance']
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# Set up and retrieve values from xcom
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self.xcom_puller = XcomPuller(self.main_dag_name, task_instance)
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self.action_info = self.xcom_puller.get_action_info()
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self.dc = self.xcom_puller.get_deployment_configuration()
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# Logs uuid of action performed by the Operator
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logging.info("DryDock Operator for action %s", self.action_info['id'])
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# Retrieve information of the server that we want to redeploy if user
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# executes the 'redeploy_server' dag
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# Set node filter to be the server that we want to redeploy
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if self.action_info['dag_id'] == 'redeploy_server':
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self.redeploy_server = (
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self.action_info['parameters']['server-name'])
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if self.redeploy_server:
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logging.info("Server to be redeployed is %s",
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self.redeploy_server)
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self.node_filter = self.redeploy_server
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else:
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raise AirflowException('Unable to retrieve information of '
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'node to be redeployed!')
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# Retrieve Endpoint Information
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self.drydock_svc_endpoint = ucp_service_endpoint(
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self, svc_type=self.drydock_svc_type)
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# Parse DryDock Service Endpoint
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drydock_url = urlparse(self.drydock_svc_endpoint)
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# Build a DrydockSession with credentials and target host
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# information.
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# The DrydockSession will care for TCP connection pooling
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# and header management
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logging.info("Build DryDock Session")
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dd_session = session.DrydockSession(drydock_url.hostname,
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port=drydock_url.port,
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auth_gen=self._auth_gen)
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# Raise Exception if we are not able to set up the session
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if dd_session:
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logging.info("Successfully Set Up DryDock Session")
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else:
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raise AirflowException("Failed to set up Drydock Session!")
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# Use the DrydockSession to build a DrydockClient that can
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# be used to make one or more API calls
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logging.info("Create DryDock Client")
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self.drydock_client = client.DrydockClient(dd_session)
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# Raise Exception if we are not able to build the client
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if self.drydock_client:
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logging.info("Successfully Set Up DryDock client")
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else:
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raise AirflowException("Failed to set up Drydock Client!")
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# Retrieve DeckHand Endpoint Information
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deckhand_svc_endpoint = ucp_service_endpoint(
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self, svc_type=self.deckhand_svc_type)
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logging.info("Deckhand endpoint is %s", deckhand_svc_endpoint)
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# Retrieve last committed revision id
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committed_revision_id = self.xcom_puller.get_design_version()
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# Form DeckHand Design Reference Path
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# This URL will be used to retrieve the Site Design YAMLs
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deckhand_path = "deckhand+" + deckhand_svc_endpoint
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self.deckhand_design_ref = os.path.join(deckhand_path,
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"revisions",
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str(committed_revision_id),
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"rendered-documents")
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if self.deckhand_design_ref:
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logging.info("Design YAMLs will be retrieved from %s",
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self.deckhand_design_ref)
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else:
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raise AirflowException("Unable to Retrieve Design Reference!")
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@shipyard_service_token
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def _auth_gen(self):
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# Generator method for the Drydock Session to use to get the
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# auth headers necessary
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return [('X-Auth-Token', self.svc_token)]
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def create_task(self, task_action):
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# Initialize Variables
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create_task_response = {}
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# Node Filter
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logging.info("Nodes Filter List: %s", self.node_filter)
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try:
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# Create Task
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create_task_response = self.drydock_client.create_task(
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design_ref=self.deckhand_design_ref,
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task_action=task_action,
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node_filter=self.node_filter)
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except errors.ClientError as client_error:
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raise AirflowException(client_error)
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# Retrieve Task ID
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self.drydock_task_id = create_task_response['task_id']
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logging.info('Drydock %s task ID is %s',
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task_action, self.drydock_task_id)
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# Raise Exception if we are not able to get the task_id from
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# Drydock
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if self.drydock_task_id:
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return self.drydock_task_id
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else:
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raise AirflowException("Unable to create task!")
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def query_task(self, interval, time_out):
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# Calculate number of times to execute the 'for' loop
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# Convert 'time_out' and 'interval' from string into integer
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# The result from the division will be a floating number which
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# We will round off to nearest whole number
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end_range = round(int(time_out) / int(interval))
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logging.info('Task ID is %s', self.drydock_task_id)
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# Query task status
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for i in range(0, end_range + 1):
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try:
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# Retrieve current task state
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task_state = self.drydock_client.get_task(
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task_id=self.drydock_task_id)
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task_status = task_state['status']
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task_result = task_state['result']['status']
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logging.info("Current status of task id %s is %s",
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self.drydock_task_id, task_status)
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except errors.ClientError as client_error:
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raise AirflowException(client_error)
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except:
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# There can be situations where there are intermittent network
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# issues that prevents us from retrieving the task state. We
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# will want to retry in such situations.
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logging.warning("Unable to retrieve task state. Retrying...")
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# Raise Time Out Exception
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if task_status == 'running' and i == end_range:
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raise AirflowException("Task Execution Timed Out!")
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# Exit 'for' loop if the task is in 'complete' or 'terminated'
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# state
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if task_status in ['complete', 'terminated']:
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logging.info('Task result is %s', task_result)
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break
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else:
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time.sleep(int(interval))
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# Get final task result
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if task_result == 'success':
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logging.info('Task id %s has been successfully completed',
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self.drydock_task_id)
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else:
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raise AirflowException("Failed to execute/complete task!")
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class DrydockBaseOperatorPlugin(AirflowPlugin):
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"""Creates DrydockBaseOperator in Airflow."""
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name = 'drydock_base_operator_plugin'
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operators = [DrydockBaseOperator]
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@ -0,0 +1,69 @@
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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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# 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
|
||||
# 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.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
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import logging
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import time
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from airflow.plugins_manager import AirflowPlugin
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from check_k8s_node_status import check_node_status
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from drydock_base_operator import DrydockBaseOperator
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class DrydockDeployNodesOperator(DrydockBaseOperator):
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"""Drydock Deploy Nodes Operator
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This operator will trigger drydock to deploy the bare metal
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nodes
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"""
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def do_execute(self):
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# Trigger DryDock to execute task
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self.create_task('deploy_nodes')
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# Retrieve query interval and timeout
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q_interval = self.dc['physical_provisioner.deploy_interval']
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task_timeout = self.dc['physical_provisioner.deploy_timeout']
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# Query Task
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self.query_task(q_interval, task_timeout)
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# It takes time for the cluster join process to be triggered across
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# all the nodes in the cluster. Hence there is a need to back off
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# and wait before checking the state of the cluster join process.
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join_wait = self.dc['physical_provisioner.join_wait']
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logging.info("All nodes deployed in MAAS")
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logging.info("Wait for %d seconds before checking node state...",
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join_wait)
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time.sleep(join_wait)
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# Check that cluster join process is completed before declaring
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# deploy_node as 'completed'.
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node_st_timeout = self.dc['kubernetes.node_status_timeout']
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node_st_interval = self.dc['kubernetes.node_status_interval']
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check_node_status(node_st_timeout, node_st_interval)
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||||
class DrydockDeployNodesOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockDeployNodesOperator in Airflow."""
|
||||
|
||||
name = 'drydock_deploy_nodes_operator'
|
||||
operators = [DrydockDeployNodesOperator]
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
# Copyright 2018 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.
|
||||
|
||||
import logging
|
||||
import time
|
||||
|
||||
from airflow.plugins_manager import AirflowPlugin
|
||||
|
||||
from drydock_base_operator import DrydockBaseOperator
|
||||
|
||||
|
||||
class DrydockDestroyNodeOperator(DrydockBaseOperator):
|
||||
|
||||
"""Drydock Destroy Node Operator
|
||||
|
||||
This operator will trigger drydock to destroy a bare metal
|
||||
node
|
||||
|
||||
"""
|
||||
|
||||
def do_execute(self):
|
||||
|
||||
# Retrieve query interval and timeout
|
||||
q_interval = self.dc['physical_provisioner.destroy_interval']
|
||||
task_timeout = self.dc['physical_provisioner.destroy_timeout']
|
||||
|
||||
# NOTE: This is a PlaceHolder function. The 'destroy_node'
|
||||
# functionalities in DryDock is being worked on and is not
|
||||
# ready at the moment.
|
||||
logging.info("Destroying node %s from cluster...",
|
||||
self.redeploy_server)
|
||||
time.sleep(15)
|
||||
logging.info("Successfully deleted node %s", self.redeploy_server)
|
||||
|
||||
|
||||
class DrydockDestroyNodeOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockDestroyNodeOperator in Airflow."""
|
||||
|
||||
name = 'drydock_destroy_node_operator'
|
||||
operators = [DrydockDestroyNodeOperator]
|
||||
|
|
@ -1,436 +0,0 @@
|
|||
# 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.
|
||||
|
||||
import json
|
||||
import logging
|
||||
import os
|
||||
import requests
|
||||
import time
|
||||
from urllib.parse import urlparse
|
||||
|
||||
from airflow.exceptions import AirflowException
|
||||
from airflow.models import BaseOperator
|
||||
from airflow.plugins_manager import AirflowPlugin
|
||||
from airflow.utils.decorators import apply_defaults
|
||||
|
||||
import drydock_provisioner.drydock_client.client as client
|
||||
import drydock_provisioner.drydock_client.session as session
|
||||
from check_k8s_node_status import check_node_status
|
||||
from drydock_provisioner import error as errors
|
||||
from service_endpoint import ucp_service_endpoint
|
||||
from service_token import shipyard_service_token
|
||||
from xcom_puller import XcomPuller
|
||||
|
||||
|
||||
class DryDockOperator(BaseOperator):
|
||||
"""DryDock Client"""
|
||||
@apply_defaults
|
||||
def __init__(self,
|
||||
action=None,
|
||||
design_ref=None,
|
||||
main_dag_name=None,
|
||||
node_filter=None,
|
||||
shipyard_conf=None,
|
||||
svc_token=None,
|
||||
sub_dag_name=None,
|
||||
xcom_push=True,
|
||||
*args, **kwargs):
|
||||
"""
|
||||
:param action: Task to perform
|
||||
:param design_ref: A URI reference to the design documents
|
||||
:param main_dag_name: Parent Dag
|
||||
:param node_filter: A filter for narrowing the scope of the task. Valid
|
||||
fields are 'node_names', 'rack_names', 'node_tags'
|
||||
:param shipyard_conf: Location of shipyard.conf
|
||||
:param sub_dag_name: Child Dag
|
||||
|
||||
The Drydock operator assumes that prior steps have set xcoms for
|
||||
the action and the deployment configuration
|
||||
"""
|
||||
|
||||
super(DryDockOperator, self).__init__(*args, **kwargs)
|
||||
self.action = action
|
||||
self.design_ref = design_ref
|
||||
self.main_dag_name = main_dag_name
|
||||
self.node_filter = node_filter
|
||||
self.shipyard_conf = shipyard_conf
|
||||
self.svc_token = svc_token
|
||||
self.sub_dag_name = sub_dag_name
|
||||
self.xcom_push_flag = xcom_push
|
||||
|
||||
def execute(self, context):
|
||||
# Initialize Variable
|
||||
redeploy_server = None
|
||||
|
||||
# Placeholder definition
|
||||
# TODO: Need to decide how to pass the required value from Shipyard to
|
||||
# the 'node_filter' variable. No filter will be used for now.
|
||||
self.node_filter = None
|
||||
|
||||
# Define task_instance
|
||||
task_instance = context['task_instance']
|
||||
|
||||
# Set up and retrieve values from xcom
|
||||
self.xcom_puller = XcomPuller(self.main_dag_name, task_instance)
|
||||
self.action_info = self.xcom_puller.get_action_info()
|
||||
self.dc = self.xcom_puller.get_deployment_configuration()
|
||||
|
||||
# Logs uuid of action performed by the Operator
|
||||
logging.info("DryDock Operator for action %s", self.action_info['id'])
|
||||
|
||||
# Retrieve information of the server that we want to redeploy if user
|
||||
# executes the 'redeploy_server' dag
|
||||
# Set node filter to be the server that we want to redeploy
|
||||
if self.action_info['dag_id'] == 'redeploy_server':
|
||||
redeploy_server = self.action_info['parameters'].get('server-name')
|
||||
|
||||
if redeploy_server:
|
||||
logging.info("Server to be redeployed is %s", redeploy_server)
|
||||
self.node_filter = redeploy_server
|
||||
else:
|
||||
raise AirflowException('Unable to retrieve information of '
|
||||
'node to be redeployed!')
|
||||
|
||||
# Retrieve Deckhand Design Reference
|
||||
self.design_ref = self.get_deckhand_design_ref(context)
|
||||
|
||||
if self.design_ref:
|
||||
logging.info("Drydock YAMLs will be retrieved from %s",
|
||||
self.design_ref)
|
||||
else:
|
||||
raise AirflowException("Unable to Retrieve Design Reference!")
|
||||
|
||||
# Drydock Validate Site Design
|
||||
if self.action == 'validate_site_design':
|
||||
# Initialize variable
|
||||
site_design_validity = 'invalid'
|
||||
|
||||
# Retrieve Endpoint Information
|
||||
svc_type = 'physicalprovisioner'
|
||||
drydock_svc_endpoint = ucp_service_endpoint(self,
|
||||
svc_type=svc_type)
|
||||
|
||||
site_design_validity = self.drydock_validate_design(
|
||||
drydock_svc_endpoint)
|
||||
|
||||
return site_design_validity
|
||||
|
||||
# DrydockClient
|
||||
# Retrieve Endpoint Information
|
||||
svc_type = 'physicalprovisioner'
|
||||
drydock_svc_endpoint = ucp_service_endpoint(self,
|
||||
svc_type=svc_type)
|
||||
logging.info("DryDock endpoint is %s", drydock_svc_endpoint)
|
||||
|
||||
# Set up DryDock Client
|
||||
drydock_client = self.drydock_session_client(drydock_svc_endpoint)
|
||||
|
||||
# Create Task for verify_site
|
||||
if self.action == 'verify_site':
|
||||
q_interval = self.dc['physical_provisioner.verify_interval']
|
||||
task_timeout = self.dc['physical_provisioner.verify_timeout']
|
||||
self.drydock_action(drydock_client, context, self.action,
|
||||
q_interval, task_timeout)
|
||||
|
||||
# Create Task for prepare_site
|
||||
elif self.action == 'prepare_site':
|
||||
q_interval = self.dc['physical_provisioner.prepare_site_interval']
|
||||
task_timeout = self.dc['physical_provisioner.prepare_site_timeout']
|
||||
self.drydock_action(drydock_client, context, self.action,
|
||||
q_interval, task_timeout)
|
||||
|
||||
# Create Task for prepare_node
|
||||
elif self.action == 'prepare_nodes':
|
||||
q_interval = self.dc['physical_provisioner.prepare_node_interval']
|
||||
task_timeout = self.dc['physical_provisioner.prepare_node_timeout']
|
||||
self.drydock_action(drydock_client, context, self.action,
|
||||
q_interval, task_timeout)
|
||||
|
||||
# Create Task for deploy_node
|
||||
elif self.action == 'deploy_nodes':
|
||||
q_interval = self.dc['physical_provisioner.deploy_interval']
|
||||
task_timeout = self.dc['physical_provisioner.deploy_timeout']
|
||||
self.drydock_action(drydock_client, context, self.action,
|
||||
q_interval, task_timeout)
|
||||
|
||||
# Wait for 120 seconds (default value) before checking the cluster
|
||||
# join process as it takes time for process to be triggered across
|
||||
# all nodes
|
||||
join_wait = self.dc['physical_provisioner.join_wait']
|
||||
logging.info("All nodes deployed in MAAS")
|
||||
logging.info("Wait for %d seconds before checking node state...",
|
||||
join_wait)
|
||||
time.sleep(join_wait)
|
||||
# Check that cluster join process is completed before declaring
|
||||
# deploy_node as 'completed'.
|
||||
node_st_timeout = self.dc['kubernetes.node_status_timeout']
|
||||
node_st_interval = self.dc['kubernetes.node_status_interval']
|
||||
check_node_status(node_st_timeout, node_st_interval)
|
||||
|
||||
# Create Task for destroy_node
|
||||
# NOTE: This is a PlaceHolder function. The 'destroy_node'
|
||||
# functionalities in DryDock is being worked on and is not
|
||||
# ready at the moment.
|
||||
elif self.action == 'destroy_node':
|
||||
# see deployment_configuration_operator.py for defaults
|
||||
q_interval = self.dc['physical_provisioner.destroy_interval']
|
||||
task_timeout = self.dc['physical_provisioner.destroy_timeout']
|
||||
|
||||
logging.info("Destroying node %s from cluster...", redeploy_server)
|
||||
time.sleep(15)
|
||||
logging.info("Successfully deleted node %s", redeploy_server)
|
||||
|
||||
# TODO: Uncomment when the function to destroy/delete node is
|
||||
# ready for consumption in Drydock
|
||||
# self.drydock_action(drydock_client, context, self.action,
|
||||
# q_interval, task_timeout)
|
||||
|
||||
# Do not perform any action
|
||||
else:
|
||||
logging.info('No Action to Perform')
|
||||
|
||||
@shipyard_service_token
|
||||
def _auth_gen(self):
|
||||
# Generator method for the Drydock Session to use to get the
|
||||
# auth headers necessary
|
||||
return [('X-Auth-Token', self.svc_token)]
|
||||
|
||||
def drydock_session_client(self, drydock_svc_endpoint):
|
||||
# Initialize Variables
|
||||
drydock_url = None
|
||||
dd_session = None
|
||||
dd_client = None
|
||||
|
||||
# Parse DryDock Service Endpoint
|
||||
drydock_url = urlparse(drydock_svc_endpoint)
|
||||
|
||||
# Build a DrydockSession with credentials and target host
|
||||
# information.
|
||||
logging.info("Build DryDock Session")
|
||||
dd_session = session.DrydockSession(drydock_url.hostname,
|
||||
port=drydock_url.port,
|
||||
auth_gen=self._auth_gen)
|
||||
|
||||
# Raise Exception if we are not able to get a drydock session
|
||||
if dd_session:
|
||||
logging.info("Successfully Set Up DryDock Session")
|
||||
else:
|
||||
raise AirflowException("Failed to set up Drydock Session!")
|
||||
|
||||
# Use session to build a DrydockClient to make one or more API calls
|
||||
# The DrydockSession will care for TCP connection pooling
|
||||
# and header management
|
||||
logging.info("Create DryDock Client")
|
||||
dd_client = client.DrydockClient(dd_session)
|
||||
|
||||
# Raise Exception if we are not able to build drydock client
|
||||
if dd_client:
|
||||
logging.info("Successfully Set Up DryDock client")
|
||||
else:
|
||||
raise AirflowException("Unable to set up Drydock Client!")
|
||||
|
||||
# Drydock client for XCOM Usage
|
||||
return dd_client
|
||||
|
||||
def drydock_action(self, drydock_client, context, action, interval,
|
||||
time_out):
|
||||
|
||||
# Trigger DryDock to execute task and retrieve task ID
|
||||
task_id = self.drydock_perform_task(drydock_client, context,
|
||||
action, self.node_filter)
|
||||
|
||||
logging.info('Task ID is %s', task_id)
|
||||
|
||||
# Query Task
|
||||
self.drydock_query_task(drydock_client, context, interval,
|
||||
time_out, task_id)
|
||||
|
||||
def drydock_perform_task(self, drydock_client, context,
|
||||
perform_task, nodes_filter):
|
||||
|
||||
# Initialize Variables
|
||||
create_task_response = {}
|
||||
task_id = None
|
||||
|
||||
# Node Filter
|
||||
logging.info("Nodes Filter List: %s", nodes_filter)
|
||||
|
||||
# Create Task
|
||||
create_task_response = drydock_client.create_task(
|
||||
design_ref=self.design_ref,
|
||||
task_action=perform_task,
|
||||
node_filter=nodes_filter)
|
||||
|
||||
# Retrieve Task ID
|
||||
task_id = create_task_response.get('task_id')
|
||||
logging.info('Drydock %s task ID is %s', perform_task, task_id)
|
||||
|
||||
# Raise Exception if we are not able to get the task_id from
|
||||
# drydock
|
||||
if task_id:
|
||||
return task_id
|
||||
else:
|
||||
raise AirflowException("Unable to create task!")
|
||||
|
||||
def drydock_query_task(self, drydock_client, context, interval,
|
||||
time_out, task_id):
|
||||
|
||||
# Initialize Variables
|
||||
keystone_token_expired = False
|
||||
new_dd_client = None
|
||||
dd_client = drydock_client
|
||||
|
||||
# Calculate number of times to execute the 'for' loop
|
||||
# Convert 'time_out' and 'interval' from string into integer
|
||||
# The result from the division will be a floating number which
|
||||
# We will round off to nearest whole number
|
||||
end_range = round(int(time_out) / int(interval))
|
||||
|
||||
# Query task status
|
||||
for i in range(0, end_range + 1):
|
||||
|
||||
if keystone_token_expired:
|
||||
logging.info("Established new drydock session")
|
||||
dd_client = new_dd_client
|
||||
|
||||
try:
|
||||
# Retrieve current task state
|
||||
task_state = dd_client.get_task(task_id=task_id)
|
||||
task_status = task_state.get('status')
|
||||
task_result = task_state.get('result')['status']
|
||||
|
||||
logging.info("Current status of task id %s is %s",
|
||||
task_id, task_status)
|
||||
|
||||
keystone_token_expired = False
|
||||
|
||||
except errors.ClientUnauthorizedError as unauthorized_error:
|
||||
|
||||
# TODO: This is a temporary workaround. Drydock will be
|
||||
# updated with the appropriate fix in the drydock api
|
||||
# client by having the session detect a 401/403 response
|
||||
# and refresh the token appropriately.
|
||||
# Logs drydock client unauthorized error
|
||||
keystone_token_expired = True
|
||||
logging.error(unauthorized_error)
|
||||
|
||||
# Set up new drydock client with new keystone token
|
||||
logging.info("Setting up new drydock session...")
|
||||
|
||||
drydock_svc_endpoint = ucp_service_endpoint(
|
||||
self, svc_type='physicalprovisioner')
|
||||
|
||||
new_dd_client = self.drydock_session_client(
|
||||
drydock_svc_endpoint)
|
||||
|
||||
except errors.ClientForbiddenError as forbidden_error:
|
||||
raise AirflowException(forbidden_error)
|
||||
|
||||
except errors.ClientError as client_error:
|
||||
raise AirflowException(client_error)
|
||||
|
||||
except:
|
||||
# There can be instances where there are intermittent network
|
||||
# issues that prevents us from retrieving the task state. We
|
||||
# will want to retry in such situations.
|
||||
logging.info("Unable to retrieve task state. Retrying...")
|
||||
|
||||
# Raise Time Out Exception
|
||||
if task_status == 'running' and i == end_range:
|
||||
raise AirflowException("Task Execution Timed Out!")
|
||||
|
||||
# Exit 'for' loop if the task is in 'complete' or 'terminated'
|
||||
# state
|
||||
if task_status in ['complete', 'terminated']:
|
||||
logging.info('Task result is %s', task_result)
|
||||
break
|
||||
else:
|
||||
time.sleep(int(interval))
|
||||
|
||||
# Get final task result
|
||||
if task_result == 'success':
|
||||
logging.info('Task id %s has been successfully completed',
|
||||
self.task_id)
|
||||
else:
|
||||
raise AirflowException("Failed to execute/complete task!")
|
||||
|
||||
def get_deckhand_design_ref(self, context):
|
||||
|
||||
# Retrieve DeckHand Endpoint Information
|
||||
svc_type = 'deckhand'
|
||||
deckhand_svc_endpoint = ucp_service_endpoint(self,
|
||||
svc_type=svc_type)
|
||||
logging.info("Deckhand endpoint is %s", deckhand_svc_endpoint)
|
||||
|
||||
committed_revision_id = self.xcom_puller.get_design_version()
|
||||
|
||||
# Form DeckHand Design Reference Path that we will use to retrieve
|
||||
# the DryDock YAMLs
|
||||
deckhand_path = "deckhand+" + deckhand_svc_endpoint
|
||||
deckhand_design_ref = os.path.join(deckhand_path,
|
||||
"revisions",
|
||||
str(committed_revision_id),
|
||||
"rendered-documents")
|
||||
|
||||
return deckhand_design_ref
|
||||
|
||||
@shipyard_service_token
|
||||
def drydock_validate_design(self, drydock_svc_endpoint):
|
||||
|
||||
# Form Validation Endpoint
|
||||
validation_endpoint = os.path.join(drydock_svc_endpoint,
|
||||
'validatedesign')
|
||||
|
||||
logging.info("Validation Endpoint is %s", validation_endpoint)
|
||||
|
||||
# Define Headers and Payload
|
||||
headers = {
|
||||
'Content-Type': 'application/json',
|
||||
'X-Auth-Token': self.svc_token
|
||||
}
|
||||
|
||||
payload = {
|
||||
'rel': "design",
|
||||
'href': self.design_ref,
|
||||
'type': "application/x-yaml"
|
||||
}
|
||||
|
||||
# Requests DryDock to validate site design
|
||||
logging.info("Waiting for DryDock to validate site design...")
|
||||
|
||||
try:
|
||||
design_validate_response = requests.post(validation_endpoint,
|
||||
headers=headers,
|
||||
data=json.dumps(payload))
|
||||
except requests.exceptions.RequestException as e:
|
||||
raise AirflowException(e)
|
||||
|
||||
# Convert response to string
|
||||
validate_site_design = design_validate_response.text
|
||||
|
||||
# Print response
|
||||
logging.info("Retrieving DryDock validate site design response...")
|
||||
logging.info(json.loads(validate_site_design))
|
||||
|
||||
# Check if site design is valid
|
||||
if json.loads(validate_site_design).get('status') == 'Success':
|
||||
logging.info("DryDock Site Design has been successfully validated")
|
||||
return 'valid'
|
||||
else:
|
||||
raise AirflowException("DryDock Site Design Validation Failed!")
|
||||
|
||||
|
||||
class DryDockClientPlugin(AirflowPlugin):
|
||||
name = "drydock_client_plugin"
|
||||
operators = [DryDockOperator]
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
# Copyright 2018 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 airflow.plugins_manager import AirflowPlugin
|
||||
|
||||
from drydock_base_operator import DrydockBaseOperator
|
||||
|
||||
|
||||
class DrydockPrepareNodesOperator(DrydockBaseOperator):
|
||||
|
||||
"""Drydock Prepare Nodes Operator
|
||||
|
||||
This operator will trigger drydock to prepare nodes for
|
||||
site deployment
|
||||
|
||||
"""
|
||||
|
||||
def do_execute(self):
|
||||
|
||||
# Trigger DryDock to execute task
|
||||
self.create_task('prepare_site')
|
||||
|
||||
# Retrieve query interval and timeout
|
||||
q_interval = self.dc['physical_provisioner.prepare_node_interval']
|
||||
task_timeout = self.dc['physical_provisioner.prepare_node_timeout']
|
||||
|
||||
# Query Task
|
||||
self.query_task(q_interval, task_timeout)
|
||||
|
||||
|
||||
class DrydockPrepareNodesOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockPrepareNodesOperator in Airflow."""
|
||||
|
||||
name = 'drydock_prepare_nodes_operator'
|
||||
operators = [DrydockPrepareNodesOperator]
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
# Copyright 2018 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 airflow.plugins_manager import AirflowPlugin
|
||||
|
||||
from drydock_base_operator import DrydockBaseOperator
|
||||
|
||||
|
||||
class DrydockPrepareSiteOperator(DrydockBaseOperator):
|
||||
|
||||
"""Drydock Prepare Site Operator
|
||||
|
||||
This operator will trigger drydock to prepare site for
|
||||
site deployment
|
||||
|
||||
"""
|
||||
|
||||
def do_execute(self):
|
||||
|
||||
# Trigger DryDock to execute task
|
||||
self.create_task('prepare_site')
|
||||
|
||||
# Retrieve query interval and timeout
|
||||
q_interval = self.dc['physical_provisioner.prepare_site_interval']
|
||||
task_timeout = self.dc['physical_provisioner.prepare_site_timeout']
|
||||
|
||||
# Query Task
|
||||
self.query_task(q_interval, task_timeout)
|
||||
|
||||
|
||||
class DrydockPrepareSiteOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockPrepareSiteOperator in Airflow."""
|
||||
|
||||
name = 'drydock_prepare_site_operator'
|
||||
operators = [DrydockPrepareSiteOperator]
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
# Copyright 2018 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.
|
||||
|
||||
import json
|
||||
import logging
|
||||
import os
|
||||
import requests
|
||||
|
||||
from airflow.plugins_manager import AirflowPlugin
|
||||
from airflow.exceptions import AirflowException
|
||||
|
||||
from drydock_base_operator import DrydockBaseOperator
|
||||
|
||||
|
||||
class DrydockValidateDesignOperator(DrydockBaseOperator):
|
||||
|
||||
"""Drydock Validate Design Operator
|
||||
|
||||
This operator will trigger drydock to validate the
|
||||
site design
|
||||
|
||||
"""
|
||||
|
||||
def do_execute(self):
|
||||
|
||||
# Form Validation Endpoint
|
||||
validation_endpoint = os.path.join(self.drydock_svc_endpoint,
|
||||
'validatedesign')
|
||||
|
||||
logging.info("Validation Endpoint is %s", validation_endpoint)
|
||||
|
||||
# Define Headers and Payload
|
||||
headers = {
|
||||
'Content-Type': 'application/json',
|
||||
'X-Auth-Token': self.svc_token
|
||||
}
|
||||
|
||||
payload = {
|
||||
'rel': "design",
|
||||
'href': self.deckhand_design_ref,
|
||||
'type': "application/x-yaml"
|
||||
}
|
||||
|
||||
# Requests DryDock to validate site design
|
||||
logging.info("Waiting for DryDock to validate site design...")
|
||||
|
||||
try:
|
||||
design_validate_response = requests.post(validation_endpoint,
|
||||
headers=headers,
|
||||
data=json.dumps(payload))
|
||||
|
||||
except requests.exceptions.RequestException as e:
|
||||
raise AirflowException(e)
|
||||
|
||||
# Convert response to string
|
||||
validate_site_design = design_validate_response.text
|
||||
|
||||
# Print response
|
||||
logging.info("Retrieving DryDock validate site design response...")
|
||||
logging.info(json.loads(validate_site_design))
|
||||
|
||||
# Check if site design is valid
|
||||
if json.loads(validate_site_design).get('status') == 'Success':
|
||||
logging.info("DryDock Site Design has been successfully validated")
|
||||
else:
|
||||
raise AirflowException("DryDock Site Design Validation Failed!")
|
||||
|
||||
|
||||
class DrydockValidateDesignOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockValidateDesignOperator in Airflow."""
|
||||
|
||||
name = 'drydock_validate_design_operator'
|
||||
operators = [DrydockValidateDesignOperator]
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
# Copyright 2018 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 airflow.plugins_manager import AirflowPlugin
|
||||
|
||||
from drydock_base_operator import DrydockBaseOperator
|
||||
|
||||
|
||||
class DrydockVerifySiteOperator(DrydockBaseOperator):
|
||||
|
||||
"""Drydock Verify Site Operator
|
||||
|
||||
This operator will trigger drydock to verify site
|
||||
|
||||
"""
|
||||
|
||||
def do_execute(self):
|
||||
|
||||
# Trigger DryDock to execute task
|
||||
self.create_task('verify_site')
|
||||
|
||||
# Retrieve query interval and timeout
|
||||
q_interval = self.dc['physical_provisioner.verify_interval']
|
||||
task_timeout = self.dc['physical_provisioner.verify_timeout']
|
||||
|
||||
# Query Task
|
||||
self.query_task(q_interval, task_timeout)
|
||||
|
||||
|
||||
class DrydockVerifySiteOperatorPlugin(AirflowPlugin):
|
||||
|
||||
"""Creates DrydockVerifySiteOperator in Airflow."""
|
||||
|
||||
name = 'drydock_verify_site_operator'
|
||||
operators = [DrydockVerifySiteOperator]
|
||||
Loading…
Reference in New Issue