a88a5cf15a
Puts into place the DeploymentConfiguration yaml that provides the options that should be configured by the site design to the deployment (and update) workflows. This change additionally refactors reused parts to common modules as related to info passing (xcom) Change-Id: Ib6470899b204dbc18d2a9a2e4f95540b3b0032b0
120 lines
4.4 KiB
Python
120 lines
4.4 KiB
Python
# 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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from airflow.models import BaseOperator
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from airflow.utils.decorators import apply_defaults
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from airflow.plugins_manager import AirflowPlugin
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from airflow.exceptions import AirflowException
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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 PromenadeBaseOperator(BaseOperator):
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"""Promenade Base Operator
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All promenade related workflow operators will use the promenade
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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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main_dag_name=None,
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promenade_svc_endpoint=None,
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promenade_svc_type='kubernetesprovisioner',
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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_token=None,
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xcom_push=True,
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*args, **kwargs):
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"""Initialization of PromenadeBaseOperator object.
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:param main_dag_name: Parent Dag
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:param promenade_svc_endpoint: Promenade Service Endpoint
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:param promenade_svc_type: Promenade Service Type
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:param redeploy_server: Server to be redeployed
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:param shipyard_conf: Path of shipyard.conf
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:param sub_dag_name: Child Dag
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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(PromenadeBaseOperator, self).__init__(*args,
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**kwargs)
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self.main_dag_name = main_dag_name
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self.promenade_svc_endpoint = promenade_svc_endpoint
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self.promenade_svc_type = promenade_svc_type
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self.redeploy_server = redeploy_server
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self.shipyard_conf = shipyard_conf
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self.sub_dag_name = sub_dag_name
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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 promenade base function
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self.promenade_base(context)
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# Exeute child function
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self.do_execute()
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@shipyard_service_token
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def promenade_base(self, context):
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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 Shipyard action
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logging.info("Executing Shipyard Action %s", self.action_info['id'])
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# Retrieve information of the server that we want to redeploy
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# if user executes the 'redeploy_server' dag
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if self.action_info['dag_id'] == 'redeploy_server':
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self.redeploy_server = self.action_info['parameters'].get(
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'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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else:
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raise AirflowException('%s was unable to retrieve the '
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'server to be redeployed.'
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% self.__class__.__name__)
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# Retrieve promenade endpoint
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self.promenade_svc_endpoint = ucp_service_endpoint(
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self, svc_type=self.promenade_svc_type)
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logging.info("Promenade endpoint is %s",
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self.promenade_svc_endpoint)
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class PromenadeBaseOperatorPlugin(AirflowPlugin):
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"""Creates PromenadeBaseOperator in Airflow."""
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name = 'promenade_base_operator_plugin'
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operators = [PromenadeBaseOperator]
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