147 lines
5.0 KiB
Python
147 lines
5.0 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 urllib.parse import urlparse
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from airflow.exceptions import AirflowException
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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 armada.common.client as client
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import armada.common.session as session
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from armada.exceptions import api_exceptions as errors
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try:
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import service_endpoint
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from service_token import shipyard_service_token
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from ucp_base_operator import UcpBaseOperator
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from xcom_pusher import XcomPusher
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except ImportError:
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from shipyard_airflow.plugins import service_endpoint
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from shipyard_airflow.plugins.service_token import shipyard_service_token
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from shipyard_airflow.plugins.ucp_base_operator import UcpBaseOperator
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from shipyard_airflow.plugins.xcom_pusher import XcomPusher
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LOG = logging.getLogger(__name__)
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class ArmadaBaseOperator(UcpBaseOperator):
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"""Armada Base Operator
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All armada related workflow operators will use the aramda
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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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query={},
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svc_session=None,
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svc_token=None,
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*args, **kwargs):
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"""Initialization of ArmadaBaseOperator object.
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:param query: A dictionary containing explicit query string parameters
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:param svc_session: Keystone Session
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:param svc_token: Keystone Token
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The Armada 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(ArmadaBaseOperator,
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self).__init__(
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pod_selector_pattern=[{'pod_pattern': 'armada-api',
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'container': 'armada-api'}],
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*args, **kwargs)
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self.query = query
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self.svc_session = svc_session
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self.svc_token = svc_token
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@shipyard_service_token
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def run_base(self, context):
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# Set up xcom_pusher to push values to xcom
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self.xcom_pusher = XcomPusher(self.task_instance)
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# Logs uuid of action performed by the Operator
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LOG.info("Armada Operator for action %s", self.action_id)
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# Set up armada client
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self.armada_client = self._init_armada_client(
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self.endpoints.endpoint_by_name(service_endpoint.ARMADA),
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self.svc_token
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)
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@staticmethod
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def _init_armada_client(armada_svc_endpoint, svc_token):
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LOG.info("Armada endpoint is %s", armada_svc_endpoint)
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# Parse Armada Service Endpoint
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armada_url = urlparse(armada_svc_endpoint)
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# Build a ArmadaSession with credentials and target host
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# information.
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LOG.info("Build Armada Session")
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a_session = session.ArmadaSession(host=armada_url.hostname,
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port=armada_url.port,
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scheme='http',
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token=svc_token,
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marker=None)
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# Raise Exception if we are not able to set up the session
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if a_session:
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LOG.info("Successfully Set Up Armada Session")
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else:
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raise AirflowException("Failed to set up Armada Session!")
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# Use the ArmadaSession to build a ArmadaClient that can
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# be used to make one or more API calls
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LOG.info("Create Armada Client")
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_armada_client = client.ArmadaClient(a_session)
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# Raise Exception if we are not able to build armada client
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if _armada_client:
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LOG.info("Successfully Set Up Armada client")
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return _armada_client
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else:
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raise AirflowException("Failed to set up Armada client!")
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def get_releases(self):
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"""Retrieve all deployed releases"""
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try:
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get_releases_resp = self.armada_client.get_releases(
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query=self.query,
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timeout=self.dc['armada.get_releases_timeout']
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)
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return get_releases_resp['releases']
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except errors.ClientError as client_error:
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# Dump logs from Armada pods
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self.get_k8s_logs()
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raise AirflowException(client_error)
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class ArmadaBaseOperatorPlugin(AirflowPlugin):
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"""Creates ArmadaBaseOperator in Airflow."""
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name = 'armada_base_operator_plugin'
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operators = [ArmadaBaseOperator]
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