drydock/tests/integration/postgres/test_postgres_leadership.py
Scott Hussey f4dba218ac Implement bootaction API
- Implement boot action rendering and API
- Reorganize DB integration tests and add a tox -e postgres entrypoint
- Add boot action unit tests
- Add node filter unit test
- Add boot action context creation to deployment workflow
- Fix regression bug in MaaS Machines model
- Downgrade to Python 3.5 due to CICD limitations

Change-Id: I6c8f100cbe209f9b1c6c6ff1285365d89343ae2a
2017-11-20 16:29:54 -06:00

49 lines
1.6 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# 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.
"""Test orchestrator leadership organization via Postgres."""
import uuid
import time
class TestPostgres(object):
def test_claim_leadership(self, blank_state):
"""Test that a node can claim leadership.
First test claiming leadership with an empty table, simulating startup
Second test that an immediate follow-up claim is denied
Third test that a usurping claim after the grace period succeeds
"""
ds = blank_state
first_leader = uuid.uuid4()
second_leader = uuid.uuid4()
print("Claiming leadership for %s" % str(first_leader.bytes))
crown = ds.claim_leadership(first_leader)
assert crown
print("Claiming leadership for %s" % str(second_leader.bytes))
crown = ds.claim_leadership(second_leader)
assert crown is False
time.sleep(20)
print(
"Claiming leadership for %s after 20s" % str(second_leader.bytes))
crown = ds.claim_leadership(second_leader)
assert crown