deb-mistral/mistral/tests/unit/services/test_expired_executions_policy.py

299 lines
10 KiB
Python

# Copyright 2015 - Alcatel-lucent, Inc.
# Copyright 2015 - StackStorm, Inc.
# Copyright 2016 - Brocade Communications Systems, Inc.
#
# 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 datetime
from mistral import context as ctx
from mistral.db.v2 import api as db_api
from mistral.services import expiration_policy
from mistral.tests.unit import base
from oslo_config import cfg
def _create_workflow_executions():
time_now = datetime.datetime.utcnow()
wf_execs = [
{
'id': '123',
'name': 'success_expired',
'created_at': time_now - datetime.timedelta(minutes=60),
'updated_at': time_now - datetime.timedelta(minutes=59),
'workflow_name': 'test_exec',
'state': "SUCCESS",
},
{
'id': '456',
'name': 'error_expired',
'created_at': time_now - datetime.timedelta(days=3, minutes=10),
'updated_at': time_now - datetime.timedelta(days=3),
'workflow_name': 'test_exec',
'state': "ERROR",
},
{
'id': '789',
'name': 'running_not_expired',
'created_at': time_now - datetime.timedelta(days=3, minutes=10),
'updated_at': time_now - datetime.timedelta(days=3),
'workflow_name': 'test_exec',
'state': "RUNNING",
},
{
'id': '987',
'name': 'success_not_expired',
'created_at': time_now - datetime.timedelta(minutes=15),
'updated_at': time_now - datetime.timedelta(minutes=5),
'workflow_name': 'test_exec',
'state': "SUCCESS",
},
{
'id': 'abc',
'name': 'cancelled_expired',
'created_at': time_now - datetime.timedelta(minutes=60),
'updated_at': time_now - datetime.timedelta(minutes=59),
'workflow_name': 'test_exec',
'state': "CANCELLED",
},
{
'id': 'def',
'name': 'cancelled_not_expired',
'created_at': time_now - datetime.timedelta(minutes=15),
'updated_at': time_now - datetime.timedelta(minutes=5),
'workflow_name': 'test_exec',
'state': "CANCELLED",
}
]
for wf_exec in wf_execs:
db_api.create_workflow_execution(wf_exec)
# Create a nested workflow execution.
db_api.create_task_execution(
{
'id': '789',
'workflow_execution_id': '987',
'name': 'my_task'
}
)
db_api.create_workflow_execution(
{
'id': '654',
'name': 'expired but not a parent',
'created_at': time_now - datetime.timedelta(days=15),
'updated_at': time_now - datetime.timedelta(days=10),
'workflow_name': 'test_exec',
'state': "SUCCESS",
'task_execution_id': '789'
}
)
def _switch_context(project_id, is_admin):
_ctx = ctx.MistralContext(
user_id=None,
project_id=project_id,
auth_token=None,
is_admin=is_admin
)
ctx.set_ctx(_ctx)
class ExpirationPolicyTest(base.DbTestCase):
def test_expiration_policy_for_executions(self):
# Delete execution uses a secured filtering and we need
# to verify that admin able to do that for other projects.
cfg.CONF.set_default('auth_enable', True, group='pecan')
# Since we are removing other projects execution,
# we want to load the executions with other project_id.
_switch_context('non_admin_project', False)
_create_workflow_executions()
now = datetime.datetime.utcnow()
# This execution has a parent wf and testing that we are
# querying only for parent wfs.
exec_child = db_api.get_workflow_execution('654')
self.assertEqual('789', exec_child.task_execution_id)
# Call for all expired wfs execs.
execs = db_api.get_expired_executions(now)
# Should be only 5, the RUNNING execution shouldn't return,
# so the child wf (that has parent task id).
self.assertEqual(5, len(execs))
# Switch context to Admin since expiration policy running as Admin.
_switch_context(None, True)
_set_expiration_policy_config(1, 30)
expiration_policy.run_execution_expiration_policy(self, ctx)
# Only non_expired available (update_at < older_than).
execs = db_api.get_expired_executions(now)
self.assertEqual(2, len(execs))
self.assertListEqual(['987', 'def'], sorted([ex.id for ex in execs]))
_set_expiration_policy_config(1, 5)
expiration_policy.run_execution_expiration_policy(self, ctx)
execs = db_api.get_expired_executions(now)
self.assertEqual(0, len(execs))
def test_deletion_of_expired_executions_with_batch_size_scenario1(self):
# Scenario1 test will test with batch_size of 3,
# 5 expired executions and different values of "older_than"
# which is 30 and 5 minutes respectively.
# Expected_result: All expired executions are successfully deleted.
cfg.CONF.set_default(
'batch_size',
3,
group='execution_expiration_policy'
)
# Since we are removing other projects execution,
# we want to load the executions with other project_id.
_switch_context('non_admin_project', False)
_create_workflow_executions()
# Switch context to Admin since expiration policy running as Admin.
_switch_context(None, True)
_set_expiration_policy_config(1, 30)
# Call for all expired wfs execs.
now = datetime.datetime.now()
execs = db_api.get_expired_executions(now)
# Should be only 5, the RUNNING execution shouldn't return,
# so the child wf (that has parent task id).
self.assertEqual(5, len(execs))
older_than = cfg.CONF.execution_expiration_policy.older_than
exp_time = (datetime.datetime.now()
- datetime.timedelta(minutes=older_than))
batch_size = cfg.CONF.execution_expiration_policy.batch_size
expiration_policy._delete_expired_executions(
batch_size,
exp_time
)
execs = db_api.get_expired_executions(now)
self.assertEqual(2, len(execs))
_set_expiration_policy_config(1, 5)
expiration_policy.run_execution_expiration_policy(self, ctx)
execs = db_api.get_expired_executions(now)
self.assertEqual(0, len(execs))
def test_deletion_of_expired_executions_with_batch_size_scenario2(self):
# Scenario2 will test with batch_size of 2, 5 expired executions
# with value of "older_than" that is 5 minutes.
# Expected_result: All expired executions are successfully deleted.
cfg.CONF.set_default(
'batch_size',
2,
group='execution_expiration_policy'
)
# Since we are removing other projects execution,
# we want to load the executions with other project_id.
_switch_context('non_admin_project', False)
_create_workflow_executions()
# Switch context to Admin since expiration policy running as Admin.
_switch_context(None, True)
_set_expiration_policy_config(1, 5)
# Call for all expired wfs execs.
now = datetime.datetime.now()
execs = db_api.get_expired_executions(now)
# Should be only 5, the RUNNING execution shouldn't return,
# so the child wf (that has parent task id).
self.assertEqual(5, len(execs))
older_than = cfg.CONF.execution_expiration_policy.older_than
exp_time = (datetime.datetime.now()
- datetime.timedelta(minutes=older_than))
batch_size = cfg.CONF.execution_expiration_policy.batch_size
expiration_policy._delete_expired_executions(
batch_size,
exp_time
)
execs = db_api.get_expired_executions(now)
self.assertEqual(0, len(execs))
def test_negative_wrong_conf_values(self):
_set_expiration_policy_config(None, None)
e_policy = expiration_policy.ExecutionExpirationPolicy(cfg.CONF)
self.assertDictEqual({}, e_policy._periodic_spacing)
self.assertListEqual([], e_policy._periodic_tasks)
_set_expiration_policy_config(None, 60)
e_policy = expiration_policy.ExecutionExpirationPolicy(cfg.CONF)
self.assertDictEqual({}, e_policy._periodic_spacing)
self.assertListEqual([], e_policy._periodic_tasks)
_set_expiration_policy_config(60, None)
e_policy = expiration_policy.ExecutionExpirationPolicy(cfg.CONF)
self.assertDictEqual({}, e_policy._periodic_spacing)
self.assertListEqual([], e_policy._periodic_tasks)
def test_periodic_task_parameters(self):
_set_expiration_policy_config(17, 13)
e_policy = expiration_policy.ExecutionExpirationPolicy(cfg.CONF)
self.assertEqual(17 * 60, e_policy._periodic_spacing
['run_execution_expiration_policy'])
def tearDown(self):
"""Restores the size limit config to default."""
super(ExpirationPolicyTest, self).tearDown()
cfg.CONF.set_default('auth_enable', False, group='pecan')
ctx.set_ctx(None)
_set_expiration_policy_config(None, None)
def _set_expiration_policy_config(evaluation_interval, older_than):
cfg.CONF.set_default(
'evaluation_interval',
evaluation_interval,
group='execution_expiration_policy'
)
cfg.CONF.set_default(
'older_than',
older_than,
group='execution_expiration_policy'
)