mirror of
https://github.com/valitydev/salt.git
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317 lines
11 KiB
Python
317 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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'''
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:codeauthor: :email:`Pedro Algarvio (pedro@algarvio.me)`
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tests.unit.utils.event_test
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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'''
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# Import python libs
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from __future__ import absolute_import
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import os
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import hashlib
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import time
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import zmq
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from contextlib import contextmanager
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from multiprocessing import Process
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# Import Salt Testing libs
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from salttesting import (expectedFailure, skipIf)
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from salttesting import TestCase
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from salttesting.helpers import ensure_in_syspath
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ensure_in_syspath('../../')
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# Import salt libs
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import integration
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from salt.utils.process import clean_proc
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from salt.utils import event
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# Import 3rd-+arty libs
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from salt.ext.six.moves import range # pylint: disable=import-error,redefined-builtin
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SOCK_DIR = os.path.join(integration.TMP, 'test-socks')
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NO_LONG_IPC = False
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if getattr(zmq, 'IPC_PATH_MAX_LEN', 103) <= 103:
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NO_LONG_IPC = True
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@contextmanager
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def eventpublisher_process():
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proc = event.EventPublisher({'sock_dir': SOCK_DIR})
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proc.start()
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try:
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if os.environ.get('TRAVIS_PYTHON_VERSION', None) is not None:
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# Travis is slow
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time.sleep(10)
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else:
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time.sleep(2)
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yield
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finally:
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clean_proc(proc)
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class EventSender(Process):
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def __init__(self, data, tag, wait):
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super(EventSender, self).__init__()
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self.data = data
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self.tag = tag
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self.wait = wait
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def run(self):
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me = event.MasterEvent(SOCK_DIR)
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time.sleep(self.wait)
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me.fire_event(self.data, self.tag)
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# Wait a few seconds before tearing down the zmq context
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if os.environ.get('TRAVIS_PYTHON_VERSION', None) is not None:
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# Travis is slow
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time.sleep(10)
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else:
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time.sleep(2)
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@contextmanager
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def eventsender_process(data, tag, wait=0):
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proc = EventSender(data, tag, wait)
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proc.start()
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try:
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yield
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finally:
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clean_proc(proc)
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@skipIf(NO_LONG_IPC, "This system does not support long IPC paths. Skipping event tests!")
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class TestSaltEvent(TestCase):
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def setUp(self):
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if not os.path.exists(SOCK_DIR):
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os.makedirs(SOCK_DIR)
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def assertGotEvent(self, evt, data, msg=None):
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self.assertIsNotNone(evt, msg)
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for key in data:
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self.assertIn(key, evt, msg)
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self.assertEqual(data[key], evt[key], msg)
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def test_master_event(self):
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me = event.MasterEvent(SOCK_DIR)
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self.assertEqual(
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me.puburi, 'ipc://{0}'.format(
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os.path.join(SOCK_DIR, 'master_event_pub.ipc')
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)
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)
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self.assertEqual(
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me.pulluri,
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'ipc://{0}'.format(
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os.path.join(SOCK_DIR, 'master_event_pull.ipc')
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)
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)
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def test_minion_event(self):
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opts = dict(id='foo', sock_dir=SOCK_DIR)
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id_hash = hashlib.md5(opts['id']).hexdigest()[:10]
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me = event.MinionEvent(opts)
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self.assertEqual(
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me.puburi,
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'ipc://{0}'.format(
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os.path.join(
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SOCK_DIR, 'minion_event_{0}_pub.ipc'.format(id_hash)
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)
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)
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)
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self.assertEqual(
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me.pulluri,
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'ipc://{0}'.format(
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os.path.join(
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SOCK_DIR, 'minion_event_{0}_pull.ipc'.format(id_hash)
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)
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)
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)
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def test_minion_event_tcp_ipc_mode(self):
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opts = dict(id='foo', ipc_mode='tcp')
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me = event.MinionEvent(opts)
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self.assertEqual(me.puburi, 'tcp://127.0.0.1:4510')
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self.assertEqual(me.pulluri, 'tcp://127.0.0.1:4511')
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def test_minion_event_no_id(self):
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me = event.MinionEvent(dict(sock_dir=SOCK_DIR))
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id_hash = hashlib.md5('').hexdigest()[:10]
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self.assertEqual(
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me.puburi,
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'ipc://{0}'.format(
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os.path.join(
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SOCK_DIR, 'minion_event_{0}_pub.ipc'.format(id_hash)
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)
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)
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)
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self.assertEqual(
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me.pulluri,
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'ipc://{0}'.format(
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os.path.join(
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SOCK_DIR, 'minion_event_{0}_pull.ipc'.format(id_hash)
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)
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)
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)
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def test_event_subscription(self):
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'''Test a single event is received'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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evt1 = me.get_event(tag='evt1')
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_timeout(self):
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'''Test no event is received if the timeout is reached'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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evt1 = me.get_event(tag='evt1')
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self.assertGotEvent(evt1, {'data': 'foo1'})
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evt2 = me.get_event(tag='evt1')
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self.assertIsNone(evt2)
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def test_event_no_timeout(self):
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'''Test no wait timeout, we should block forever, until we get one '''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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me.fire_event({'data': 'foo2'}, 'evt2')
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evt = me.get_event(tag='evt2', wait=0)
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self.assertGotEvent(evt, {'data': 'foo2'})
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def test_event_subscription_matching(self):
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'''Test a subscription startswith matching'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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evt1 = me.get_event(tag='evt1')
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_subscription_matching_all(self):
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'''Test a subscription matching'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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evt1 = me.get_event(tag='')
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_not_subscribed(self):
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'''Test get event ignores non-subscribed events'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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with eventsender_process({'data': 'foo1'}, 'evt1', 5):
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me.fire_event({'data': 'foo1'}, 'evt2')
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evt1 = me.get_event(tag='evt1', wait=10)
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_multiple_subscriptions(self):
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'''Test multiple subscriptions do not interfere'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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with eventsender_process({'data': 'foo1'}, 'evt1', 5):
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me.fire_event({'data': 'foo1'}, 'evt2')
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evt1 = me.get_event(tag='evt1', wait=10)
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_multiple_clients(self):
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'''Test event is received by multiple clients'''
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with eventpublisher_process():
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me1 = event.MasterEvent(SOCK_DIR)
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me1.subscribe()
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me2 = event.MasterEvent(SOCK_DIR)
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me2.subscribe()
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me1.fire_event({'data': 'foo1'}, 'evt1')
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evt1 = me1.get_event(tag='evt1')
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self.assertGotEvent(evt1, {'data': 'foo1'})
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# Can't replicate this failure in the wild, need to fix the
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# test system bug here
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#evt2 = me2.get_event(tag='evt1')
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#self.assertGotEvent(evt2, {'data': 'foo1'})
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def test_event_nested_subs(self):
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'''Test nested event subscriptions do not drop events, issue #8580'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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me.fire_event({'data': 'foo2'}, 'evt2')
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# Since we now drop unrelated events to avoid memory leaks, see http://goo.gl/2n3L09 commit bcbc5340ef, the
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# calls below will return None and will drop the unrelated events
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evt2 = me.get_event(tag='evt2')
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evt1 = me.get_event(tag='evt1')
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self.assertGotEvent(evt2, {'data': 'foo2'})
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# This one will be None because we're dripping unrelated events
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self.assertIsNone(evt1)
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# Fire events again
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me.fire_event({'data': 'foo3'}, 'evt3')
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me.fire_event({'data': 'foo4'}, 'evt4')
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# We not force unrelated pending events not to be dropped, so both of the event below work and are not
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# None
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evt2 = me.get_event(tag='evt4', use_pending=True)
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evt1 = me.get_event(tag='evt3', use_pending=True)
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self.assertGotEvent(evt2, {'data': 'foo4'})
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self.assertGotEvent(evt1, {'data': 'foo3'})
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@expectedFailure
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def test_event_nested_sub_all(self):
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'''Test nested event subscriptions do not drop events, get event for all tags'''
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# Show why not to call get_event(tag='')
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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me.fire_event({'data': 'foo1'}, 'evt1')
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me.fire_event({'data': 'foo2'}, 'evt2')
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evt2 = me.get_event(tag='')
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evt1 = me.get_event(tag='')
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self.assertGotEvent(evt2, {'data': 'foo2'})
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self.assertGotEvent(evt1, {'data': 'foo1'})
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def test_event_many(self):
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'''Test a large number of events, one at a time'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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for i in range(500):
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me.fire_event({'data': '{0}'.format(i)}, 'testevents')
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evt = me.get_event(tag='testevents')
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self.assertGotEvent(evt, {'data': '{0}'.format(i)}, 'Event {0}'.format(i))
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def test_event_many_backlog(self):
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'''Test a large number of events, send all then recv all'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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# Must not exceed zmq HWM
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for i in range(500):
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me.fire_event({'data': '{0}'.format(i)}, 'testevents')
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for i in range(500):
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evt = me.get_event(tag='testevents')
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self.assertGotEvent(evt, {'data': '{0}'.format(i)}, 'Event {0}'.format(i))
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# Test the fire_master function. As it wraps the underlying fire_event,
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# we don't need to perform extensive testing.
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def test_send_master_event(self):
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'''Tests that sending an event through fire_master generates expected event'''
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with eventpublisher_process():
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me = event.MasterEvent(SOCK_DIR)
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me.subscribe()
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data = {'data': 'foo1'}
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me.fire_master(data, 'test_master')
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evt = me.get_event(tag='fire_master')
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self.assertGotEvent(evt, {'data': data, 'tag': 'test_master', 'events': None, 'pretag': None})
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if __name__ == '__main__':
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from integration import run_tests
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run_tests(TestSaltEvent, needs_daemon=False)
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