RETIRED, Function as a Service for OpenStack
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

199 lines
7.5 KiB

# Copyright 2017 Catalyst IT Limited
#
# 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.
from datetime import datetime
from datetime import timedelta
import time
import mock
from oslo_config import cfg
from qinling import context
from qinling.db import api as db_api
from qinling.services import periodics
from qinling import status
from qinling.tests.unit import base
CONF = cfg.CONF
class TestPeriodics(base.DbTestCase):
def setUp(self):
super(TestPeriodics, self).setUp()
self.override_config('auth_enable', False, group='pecan')
@mock.patch('qinling.utils.etcd_util.delete_function')
@mock.patch('qinling.utils.etcd_util.get_service_url')
def test_handle_function_service_no_function_version(self, mock_etcd_url,
mock_etcd_delete):
db_func = self.create_function()
function_id = db_func.id
# Update function to simulate function execution
db_api.update_function(function_id, {'count': 1})
time.sleep(1.5)
mock_etcd_url.return_value = 'http://localhost:37718'
self.override_config('function_service_expiration', 1, 'engine')
mock_engine = mock.Mock()
periodics.handle_function_service_expiration(self.ctx, mock_engine)
mock_engine.delete_function.assert_called_once_with(
self.ctx, function_id, 0
)
mock_etcd_delete.assert_called_once_with(function_id, 0)
@mock.patch('qinling.utils.etcd_util.delete_function')
@mock.patch('qinling.utils.etcd_util.get_service_url')
def test_handle_function_service_with_function_versions(self, mock_srv_url,
mock_etcd_delete):
db_func = self.create_function()
function_id = db_func.id
self.create_function_version(0, function_id, description="new_version")
db_api.update_function_version(function_id, 1, count=1)
time.sleep(1.5)
self.override_config('function_service_expiration', 1, 'engine')
# NOTE(huntxu): although we didn't create any execution using version 0
# of the function, it is updated as a new version is created. So the
# call to get_service_url with version 0 should return None as there is
# not any worker for function version 0.
def mock_srv_url_side_effect(function_id, function_version):
return 'http://localhost:37718' if function_version != 0 else None
mock_srv_url.side_effect = mock_srv_url_side_effect
mock_engine = mock.Mock()
periodics.handle_function_service_expiration(self.ctx, mock_engine)
mock_engine.delete_function.assert_called_once_with(
self.ctx, function_id, 1
)
mock_etcd_delete.assert_called_once_with(function_id, 1)
@mock.patch('qinling.utils.etcd_util.delete_function')
@mock.patch('qinling.utils.etcd_util.get_service_url')
def test_handle_function_service_with_versioned_function_version_0(
self, mock_srv_url, mock_etcd_delete
):
# This case tests that if a function has multiple versions, service
# which serves executions of function version 0 is correctly handled
# when expired.
db_func = self.create_function()
function_id = db_func.id
self.create_function_version(0, function_id, description="new_version")
# Simulate an execution using version 0
db_api.update_function(function_id, {'count': 1})
time.sleep(1.5)
self.override_config('function_service_expiration', 1, 'engine')
mock_srv_url.return_value = 'http://localhost:37718'
mock_engine = mock.Mock()
periodics.handle_function_service_expiration(self.ctx, mock_engine)
mock_engine.delete_function.assert_called_once_with(
self.ctx, function_id, 0
)
mock_etcd_delete.assert_called_once_with(function_id, 0)
@mock.patch('qinling.utils.jobs.get_next_execution_time')
def test_job_handler(self, mock_get_next):
db_func = self.create_function()
function_id = db_func.id
self.assertEqual(0, db_func.count)
now = datetime.utcnow()
db_job = self.create_job(
function_id,
status=status.RUNNING,
next_execution_time=now,
count=2
)
job_id = db_job.id
e_client = mock.Mock()
mock_get_next.return_value = now + timedelta(seconds=1)
periodics.handle_job(e_client)
context.set_ctx(self.ctx)
db_job = db_api.get_job(job_id)
self.assertEqual(1, db_job.count)
db_func = db_api.get_function(function_id)
self.assertEqual(1, db_func.count)
db_execs = db_api.get_executions(function_id=function_id)
self.assertEqual(1, len(db_execs))
periodics.handle_job(e_client)
context.set_ctx(self.ctx)
db_job = db_api.get_job(job_id)
self.assertEqual(0, db_job.count)
self.assertEqual(status.DONE, db_job.status)
db_func = db_api.get_function(function_id)
self.assertEqual(2, db_func.count)
db_execs = db_api.get_executions(function_id=function_id)
self.assertEqual(2, len(db_execs))
@mock.patch('qinling.utils.jobs.get_next_execution_time')
def test_job_handler_with_version(self, mock_next_time):
db_func = self.create_function()
function_id = db_func.id
new_version = db_api.increase_function_version(function_id, 0)
self.assertEqual(0, new_version.count)
now = datetime.utcnow()
db_job = self.create_job(
function_id,
function_version=1,
status=status.RUNNING,
next_execution_time=now,
count=2
)
job_id = db_job.id
e_client = mock.Mock()
# It doesn't matter what's the returned value, but need to be in
# datetime type.
mock_next_time.return_value = now + timedelta(seconds=1)
periodics.handle_job(e_client)
context.set_ctx(self.ctx)
db_job = db_api.get_job(job_id)
self.assertEqual(1, db_job.count)
db_func = db_api.get_function(function_id)
self.assertEqual(0, db_func.count)
db_version = db_api.get_function_version(function_id, 1)
self.assertEqual(1, db_version.count)
db_execs = db_api.get_executions(function_id=function_id,
function_version=1)
self.assertEqual(1, len(db_execs))
periodics.handle_job(e_client)
context.set_ctx(self.ctx)
db_job = db_api.get_job(job_id)
self.assertEqual(0, db_job.count)
self.assertEqual(status.DONE, db_job.status)
db_func = db_api.get_function(function_id)
self.assertEqual(0, db_func.count)
db_version = db_api.get_function_version(function_id, 1)
self.assertEqual(2, db_version.count)
db_execs = db_api.get_executions(function_id=function_id,
function_version=1)
self.assertEqual(2, len(db_execs))