| # |
| # 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 os |
| import posixpath |
| import sys |
| import time |
| |
| from kazoo.client import KazooClient |
| from kazoo.exceptions import NoNodeError |
| |
| OK = 1 |
| DID_NOT_REGISTER = 2 |
| DID_NOT_RECOVER_FROM_EXPIRY = 3 |
| |
| |
| serverset = os.getenv('SERVERSET') |
| client = KazooClient('localhost:2181') |
| client.start() |
| |
| |
| def wait_until_znodes(count, timeout=30): |
| now = time.time() |
| timeout += now |
| while now < timeout: |
| try: |
| children = client.get_children(serverset) |
| except NoNodeError: |
| children = [] |
| print('Announced members: %s' % children) |
| if len(children) == count: |
| return [posixpath.join(serverset, child) for child in children] |
| time.sleep(1) |
| now += 1 |
| return [] |
| |
| |
| # job is created with 3 znodes. |
| znodes = wait_until_znodes(3, timeout=10) |
| if not znodes: |
| sys.exit(DID_NOT_REGISTER) |
| |
| client.delete(znodes[0]) |
| |
| znodes = wait_until_znodes(3, timeout=10) |
| if not znodes: |
| sys.exit(DID_NOT_RECOVER_FROM_EXPIRY) |
| |
| sys.exit(OK) |