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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. 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 as stdlib_logging |
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from st2actions.container.service import RunnerContainerService |
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from st2common import log as logging |
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from st2common.runners import base as runners |
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from st2common.util import action_db as action_db_utils |
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__all__ = [ |
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'get_logger_for_python_runner_action', |
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'get_action_class_instance' |
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] |
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LOG = logging.getLogger(__name__) |
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def get_logger_for_python_runner_action(action_name): |
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""" |
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Set up a logger which logs all the messages with level DEBUG and above to stderr. |
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""" |
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logger_name = 'actions.python.%s' % (action_name) |
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logger = logging.getLogger(logger_name) |
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console = stdlib_logging.StreamHandler() |
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console.setLevel(stdlib_logging.DEBUG) |
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formatter = stdlib_logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s') |
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console.setFormatter(formatter) |
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logger.addHandler(console) |
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logger.setLevel(stdlib_logging.DEBUG) |
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return logger |
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def get_action_class_instance(action_cls, config=None, action_service=None): |
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""" |
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Instantiate and return Action class instance. |
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:param action_cls: Action class to instantiate. |
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:type action_cls: ``class`` |
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:param config: Config to pass to the action class. |
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:type config: ``dict`` |
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:param action_service: ActionService instance to pass to the class. |
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:type action_service: :class:`ActionService` |
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""" |
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kwargs = {} |
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kwargs['config'] = config |
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kwargs['action_service'] = action_service |
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# Note: This is done for backward compatibility reasons. We first try to pass |
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# "action_service" argument to the action class constructor, but if that doesn't work (e.g. old |
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# action which hasn't been updated yet), we resort to late assignment post class instantiation. |
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# TODO: Remove in next major version once all the affected actions have been updated. |
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try: |
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action_instance = action_cls(**kwargs) |
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except TypeError as e: |
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if 'unexpected keyword argument \'action_service\'' not in str(e): |
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raise e |
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LOG.debug('Action class (%s) constructor doesn\'t take "action_service" argument, ' |
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'falling back to late assignment...' % (action_cls.__class__.__name__)) |
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action_service = kwargs.pop('action_service', None) |
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action_instance = action_cls(**kwargs) |
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action_instance.action_service = action_service |
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return action_instance |
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def invoke_post_run(liveaction_db, action_db=None): |
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LOG.info('Invoking post run for action execution %s.', liveaction_db.id) |
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# Identify action and runner. |
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if not action_db: |
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action_db = action_db_utils.get_action_by_ref(liveaction_db.action) |
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if not action_db: |
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LOG.exception('Unable to invoke post run. Action %s no longer exists.', |
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liveaction_db.action) |
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return |
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LOG.info('Action execution %s runs %s of runner type %s.', |
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liveaction_db.id, action_db.name, action_db.runner_type['name']) |
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# Get an instance of the action runner. |
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runnertype_db = action_db_utils.get_runnertype_by_name(action_db.runner_type['name']) |
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runner = runners.get_runner(runnertype_db.runner_module) |
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# Configure the action runner. |
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runner.container_service = RunnerContainerService() |
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runner.action = action_db |
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runner.action_name = action_db.name |
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runner.action_execution_id = str(liveaction_db.id) |
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runner.entry_point = RunnerContainerService.get_entry_point_abs_path( |
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pack=action_db.pack, entry_point=action_db.entry_point) |
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runner.context = getattr(liveaction_db, 'context', dict()) |
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runner.callback = getattr(liveaction_db, 'callback', dict()) |
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runner.libs_dir_path = RunnerContainerService.get_action_libs_abs_path( |
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pack=action_db.pack, entry_point=action_db.entry_point) |
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# Invoke the post_run method. |
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runner.post_run(liveaction_db.status, liveaction_db.result) |
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Plexxi /
st2
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