a007332d4c
This will prevent us from running out of auto-incrementing ID values until such time as we can upgrade to peewee 3 and change the field type to a BigInt Fixes https://jira.coreos.com/browse/QUAY-943
83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
import multiprocessing
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import time
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import socket
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from contextlib import contextmanager
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from data.database import LogEntryKind, LogEntry2
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class assert_action_logged(object):
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""" Specialized assertion for ensuring that a log entry of a particular kind was added under the
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context of this call.
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"""
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def __init__(self, log_kind):
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self.log_kind = log_kind
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self.existing_count = 0
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def _get_log_count(self):
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return LogEntry2.select().where(LogEntry2.kind == LogEntryKind.get(name=self.log_kind)).count()
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def __enter__(self):
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self.existing_count = self._get_log_count()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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if exc_val is None:
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updated_count = self._get_log_count()
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error_msg = 'Missing new log entry of kind %s' % self.log_kind
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assert self.existing_count == (updated_count - 1), error_msg
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_LIVESERVER_TIMEOUT = 5
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@contextmanager
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def liveserver_app(flask_app, port):
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"""
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Based on https://github.com/jarus/flask-testing/blob/master/flask_testing/utils.py
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Runs the given Flask app as a live web server locally, on the given port, starting it
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when called and terminating after the yield.
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Usage:
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with liveserver_app(flask_app, port):
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# Code that makes use of the app.
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"""
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shared = {}
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def _can_ping_server():
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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sock.connect(('localhost', port))
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except socket.error:
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success = False
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else:
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success = True
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finally:
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sock.close()
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return success
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def _spawn_live_server():
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worker = lambda app, port: app.run(port=port, use_reloader=False)
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shared['process'] = multiprocessing.Process(target=worker, args=(flask_app, port))
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shared['process'].start()
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start_time = time.time()
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while True:
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elapsed_time = (time.time() - start_time)
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if elapsed_time > _LIVESERVER_TIMEOUT:
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_terminate_live_server()
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raise RuntimeError("Failed to start the server after %d seconds. " % _LIVESERVER_TIMEOUT)
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if _can_ping_server():
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break
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def _terminate_live_server():
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if shared.get('process'):
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shared.get('process').terminate()
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shared.pop('process')
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try:
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_spawn_live_server()
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yield
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finally:
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_terminate_live_server()
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