4d08db0f42
* If we have 2 parallel tasks and one of these in the DELAYED state, workflow incorrectly finishes and DELAYED state is not taken to account. Closes-Bug: #1422621 Change-Id: I187a61117f5ad94c6f4ab33fbc750350f8adef0b
82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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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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from mistral.utils import serializer
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from mistral.workflow import states
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class TaskResult(object):
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"""Explicit data structure containing a result of task execution."""
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def __init__(self, data=None, error=None):
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self.data = data
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self.error = error
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def __repr__(self):
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return 'TaskResult [data=%s, error=%s]' % (
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repr(self.data), repr(self.error))
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def is_error(self):
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return self.error is not None
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def is_success(self):
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return not self.is_error()
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def __eq__(self, other):
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return self.data == other.data and self.error == other.error
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class TaskResultSerializer(serializer.Serializer):
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def serialize(self, entity):
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return {'data': entity.data, 'error': entity.error}
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def deserialize(self, entity):
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return TaskResult(entity['data'], entity['error'])
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def find_db_task(wf_ex, task_spec):
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task_execs = [
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t for t in wf_ex.task_executions
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if t.name == task_spec.get_name()
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]
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return task_execs[0] if len(task_execs) > 0 else None
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def find_task_executions(wf_ex, task_specs):
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return filter(None, [find_db_task(wf_ex, t_s) for t_s in task_specs])
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def find_running_tasks(wf_ex):
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return [t for t in wf_ex.task_executions if t.state == states.RUNNING]
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def find_completed_tasks(wf_ex):
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return [
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t for t in wf_ex.task_executions if states.is_completed(t.state)
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]
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def find_successful_tasks(wf_ex):
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return [t for t in wf_ex.task_executions if t.state == states.SUCCESS]
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def find_incomplete_tasks(wf_ex):
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return [t for t in wf_ex.task_executions
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if not states.is_completed(t.state)]
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def find_error_tasks(wf_ex):
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return [t for t in wf_ex.task_executions if t.state == states.ERROR]
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