f6d842dd5f
Zuul uses the command processor for most components to send commands to a running service. We should add this to zuul-web as well starting with the stop command. In a later change we'll add commands for starting/stopping a repl server. Change-Id: I1d02ec30341be0890afb332dcf9f32f10a52ead5
554 lines
20 KiB
Python
554 lines
20 KiB
Python
# Copyright 2017 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import io
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import logging
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import json
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import os
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import os.path
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import re
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import socket
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import tempfile
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import testtools
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import threading
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import time
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import zuul.web
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import zuul.lib.log_streamer
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import zuul.lib.fingergw
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import tests.base
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from tests.base import iterate_timeout, ZuulWebFixture
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from ws4py.client import WebSocketBaseClient
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class WSClient(WebSocketBaseClient):
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def __init__(self, port, build_uuid):
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self.port = port
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self.build_uuid = build_uuid
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self.results = ''
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self.event = threading.Event()
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uri = 'ws://[::1]:%s/api/tenant/tenant-one/console-stream' % port
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super(WSClient, self).__init__(uri)
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self.thread = threading.Thread(target=self.run)
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self.thread.start()
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def received_message(self, message):
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if message.is_text:
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self.results += message.data.decode('utf-8')
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def run(self):
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self.connect()
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req = {'uuid': self.build_uuid, 'logfile': None}
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self.send(json.dumps(req))
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self.event.set()
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super(WSClient, self).run()
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self.close()
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class TestLogStreamer(tests.base.BaseTestCase):
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def startStreamer(self, host, port, root=None):
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self.host = host
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if not root:
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root = tempfile.gettempdir()
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return zuul.lib.log_streamer.LogStreamer(self.host, port, root)
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def test_start_stop_ipv6(self):
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streamer = self.startStreamer('::1', 0)
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self.addCleanup(streamer.stop)
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port = streamer.server.socket.getsockname()[1]
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s = socket.create_connection((self.host, port))
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s.close()
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streamer.stop()
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with testtools.ExpectedException(ConnectionRefusedError):
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s = socket.create_connection((self.host, port))
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s.close()
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def test_start_stop_ipv4(self):
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streamer = self.startStreamer('127.0.0.1', 0)
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self.addCleanup(streamer.stop)
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port = streamer.server.socket.getsockname()[1]
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s = socket.create_connection((self.host, port))
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s.close()
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streamer.stop()
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with testtools.ExpectedException(ConnectionRefusedError):
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s = socket.create_connection((self.host, port))
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s.close()
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class TestStreaming(tests.base.AnsibleZuulTestCase):
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tenant_config_file = 'config/streamer/main.yaml'
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log = logging.getLogger("zuul.test_streaming")
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def setUp(self):
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super(TestStreaming, self).setUp()
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self.host = '::'
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self.streamer = None
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self.stop_streamer = False
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self.streaming_data = ''
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self.test_streaming_event = threading.Event()
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def stopStreamer(self):
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self.stop_streamer = True
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def startStreamer(self, port, build_uuid, root=None):
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if not root:
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root = tempfile.gettempdir()
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self.streamer = zuul.lib.log_streamer.LogStreamer(self.host,
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port, root)
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port = self.streamer.server.socket.getsockname()[1]
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s = socket.create_connection((self.host, port))
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self.addCleanup(s.close)
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req = '%s\r\n' % build_uuid
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s.sendall(req.encode('utf-8'))
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self.test_streaming_event.set()
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while not self.stop_streamer:
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data = s.recv(2048)
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if not data:
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break
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self.streaming_data += data.decode('utf-8')
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s.shutdown(socket.SHUT_RDWR)
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s.close()
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self.streamer.stop()
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def test_streaming(self):
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A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
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self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
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# We don't have any real synchronization for the ansible jobs, so
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# just wait until we get our running build.
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for x in iterate_timeout(30, "builds"):
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if len(self.builds):
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break
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build = self.builds[0]
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self.assertEqual(build.name, 'python27')
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build_dir = os.path.join(self.executor_server.jobdir_root, build.uuid)
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for x in iterate_timeout(30, "build dir"):
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if os.path.exists(build_dir):
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break
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# Need to wait to make sure that jobdir gets set
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for x in iterate_timeout(30, "jobdir"):
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if build.jobdir is not None:
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break
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build = self.builds[0]
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# Wait for the job to begin running and create the ansible log file.
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# The job waits to complete until the flag file exists, so we can
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# safely access the log here. We only open it (to force a file handle
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# to be kept open for it after the job finishes) but wait to read the
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# contents until the job is done.
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ansible_log = os.path.join(build.jobdir.log_root, 'job-output.txt')
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for x in iterate_timeout(30, "ansible log"):
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if os.path.exists(ansible_log):
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break
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logfile = open(ansible_log, 'r')
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self.addCleanup(logfile.close)
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# Create a thread to stream the log. We need this to be happening
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# before we create the flag file to tell the job to complete.
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streamer_thread = threading.Thread(
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target=self.startStreamer,
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args=(0, build.uuid, self.executor_server.jobdir_root,)
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)
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streamer_thread.start()
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self.addCleanup(self.stopStreamer)
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self.test_streaming_event.wait()
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# Allow the job to complete, which should close the streaming
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# connection (and terminate the thread) as well since the log file
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# gets closed/deleted.
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flag_file = os.path.join(build_dir, 'test_wait')
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open(flag_file, 'w').close()
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self.waitUntilSettled()
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streamer_thread.join()
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# Now that the job is finished, the log file has been closed by the
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# job and deleted. However, we still have a file handle to it, so we
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# can make sure that we read the entire contents at this point.
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# Compact the returned lines into a single string for easy comparison.
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file_contents = logfile.read()
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logfile.close()
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self.log.debug("\n\nFile contents: %s\n\n", file_contents)
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self.log.debug("\n\nStreamed: %s\n\n", self.streaming_data)
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self.assertEqual(file_contents, self.streaming_data)
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# Check that we logged a multiline debug message
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pattern = (r'^\d\d\d\d-\d\d-\d\d \d\d:\d\d\:\d\d\.\d\d\d\d\d\d \| '
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r'Debug Test Token String$')
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r = re.compile(pattern, re.MULTILINE)
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match = r.search(self.streaming_data)
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self.assertNotEqual(match, None)
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def runWSClient(self, port, build_uuid):
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client = WSClient(port, build_uuid)
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client.event.wait()
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return client
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def runFingerClient(self, build_uuid, gateway_address, event):
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# Wait until the gateway is started
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for x in iterate_timeout(30, "finger client to start"):
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try:
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# NOTE(Shrews): This causes the gateway to begin to handle
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# a request for which it never receives data, and thus
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# causes the getCommand() method to timeout (seen in the
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# test results, but is harmless).
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with socket.create_connection(gateway_address) as s:
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break
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except ConnectionRefusedError:
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pass
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with socket.create_connection(gateway_address) as s:
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msg = "%s\r\n" % build_uuid
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s.sendall(msg.encode('utf-8'))
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event.set() # notify we are connected and req sent
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while True:
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data = s.recv(1024)
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if not data:
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break
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self.streaming_data += data.decode('utf-8')
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s.shutdown(socket.SHUT_RDWR)
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def test_decode_boundaries(self):
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'''
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Test multi-byte characters crossing read buffer boundaries.
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The finger client used by ZuulWeb reads in increments of 1024 bytes.
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If the last byte is a multi-byte character, we end up with an error
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similar to:
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'utf-8' codec can't decode byte 0xe2 in position 1023: \
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unexpected end of data
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By making the 1024th character in the log file a multi-byte character
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(here, the Euro character), we can test this.
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'''
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# Start the web server
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web = self.useFixture(
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ZuulWebFixture(self.gearman_server.port,
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self.config, self.test_root))
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# Start the finger streamer daemon
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streamer = zuul.lib.log_streamer.LogStreamer(
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self.host, 0, self.executor_server.jobdir_root)
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self.addCleanup(streamer.stop)
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# Need to set the streaming port before submitting the job
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finger_port = streamer.server.socket.getsockname()[1]
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self.executor_server.log_streaming_port = finger_port
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A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
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self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
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# We don't have any real synchronization for the ansible jobs, so
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# just wait until we get our running build.
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for x in iterate_timeout(30, "builds"):
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if len(self.builds):
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break
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build = self.builds[0]
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self.assertEqual(build.name, 'python27')
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build_dir = os.path.join(self.executor_server.jobdir_root, build.uuid)
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for x in iterate_timeout(30, "build dir"):
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if os.path.exists(build_dir):
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break
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# Need to wait to make sure that jobdir gets set
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for x in iterate_timeout(30, "jobdir"):
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if build.jobdir is not None:
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break
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build = self.builds[0]
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# Wait for the job to begin running and create the ansible log file.
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# The job waits to complete until the flag file exists, so we can
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# safely access the log here. We only open it (to force a file handle
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# to be kept open for it after the job finishes) but wait to read the
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# contents until the job is done.
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ansible_log = os.path.join(build.jobdir.log_root, 'job-output.txt')
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for x in iterate_timeout(30, "ansible log"):
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if os.path.exists(ansible_log):
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break
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# Replace log file contents with the 1024th character being a
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# multi-byte character.
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with io.open(ansible_log, 'w', encoding='utf8') as f:
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f.write("a" * 1023)
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f.write(u"\u20AC")
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logfile = open(ansible_log, 'r')
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self.addCleanup(logfile.close)
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# Start a thread with the websocket client
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client1 = self.runWSClient(web.port, build.uuid)
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client1.event.wait()
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# Allow the job to complete
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flag_file = os.path.join(build_dir, 'test_wait')
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open(flag_file, 'w').close()
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# Wait for the websocket client to complete, which it should when
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# it's received the full log.
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client1.thread.join()
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self.waitUntilSettled()
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file_contents = logfile.read()
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logfile.close()
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self.log.debug("\n\nFile contents: %s\n\n", file_contents)
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self.log.debug("\n\nStreamed: %s\n\n", client1.results)
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self.assertEqual(file_contents, client1.results)
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def test_websocket_streaming(self):
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# Start the web server
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web = self.useFixture(
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ZuulWebFixture(self.gearman_server.port,
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self.config, self.test_root))
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# Start the finger streamer daemon
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streamer = zuul.lib.log_streamer.LogStreamer(
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self.host, 0, self.executor_server.jobdir_root)
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self.addCleanup(streamer.stop)
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# Need to set the streaming port before submitting the job
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finger_port = streamer.server.socket.getsockname()[1]
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self.executor_server.log_streaming_port = finger_port
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A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
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self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
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# We don't have any real synchronization for the ansible jobs, so
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# just wait until we get our running build.
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for x in iterate_timeout(30, "build"):
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if len(self.builds):
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break
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build = self.builds[0]
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self.assertEqual(build.name, 'python27')
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build_dir = os.path.join(self.executor_server.jobdir_root, build.uuid)
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for x in iterate_timeout(30, "build dir"):
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if os.path.exists(build_dir):
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break
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# Need to wait to make sure that jobdir gets set
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for x in iterate_timeout(30, "jobdir"):
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if build.jobdir is not None:
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break
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build = self.builds[0]
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# Wait for the job to begin running and create the ansible log file.
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# The job waits to complete until the flag file exists, so we can
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# safely access the log here. We only open it (to force a file handle
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# to be kept open for it after the job finishes) but wait to read the
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# contents until the job is done.
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ansible_log = os.path.join(build.jobdir.log_root, 'job-output.txt')
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for x in iterate_timeout(30, "ansible log"):
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if os.path.exists(ansible_log):
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break
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logfile = open(ansible_log, 'r')
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self.addCleanup(logfile.close)
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# Start a thread with the websocket client
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client1 = self.runWSClient(web.port, build.uuid)
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client1.event.wait()
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client2 = self.runWSClient(web.port, build.uuid)
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client2.event.wait()
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# Allow the job to complete
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flag_file = os.path.join(build_dir, 'test_wait')
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open(flag_file, 'w').close()
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# Wait for the websocket client to complete, which it should when
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# it's received the full log.
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client1.thread.join()
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client2.thread.join()
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self.waitUntilSettled()
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file_contents = logfile.read()
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self.log.debug("\n\nFile contents: %s\n\n", file_contents)
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self.log.debug("\n\nStreamed: %s\n\n", client1.results)
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self.assertEqual(file_contents, client1.results)
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self.log.debug("\n\nStreamed: %s\n\n", client2.results)
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self.assertEqual(file_contents, client2.results)
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def test_websocket_hangup(self):
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# Start the web server
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web = self.useFixture(
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ZuulWebFixture(self.gearman_server.port,
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self.config, self.test_root))
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# Start the finger streamer daemon
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streamer = zuul.lib.log_streamer.LogStreamer(
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self.host, 0, self.executor_server.jobdir_root)
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self.addCleanup(streamer.stop)
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# Need to set the streaming port before submitting the job
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finger_port = streamer.server.socket.getsockname()[1]
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self.executor_server.log_streaming_port = finger_port
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A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
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self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
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# We don't have any real synchronization for the ansible jobs, so
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# just wait until we get our running build.
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for x in iterate_timeout(30, "build"):
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if len(self.builds):
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break
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build = self.builds[0]
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self.assertEqual(build.name, 'python27')
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build_dir = os.path.join(self.executor_server.jobdir_root, build.uuid)
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for x in iterate_timeout(30, "build dir"):
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if os.path.exists(build_dir):
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break
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# Need to wait to make sure that jobdir gets set
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for x in iterate_timeout(30, "jobdir"):
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if build.jobdir is not None:
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break
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build = self.builds[0]
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# Wait for the job to begin running and create the ansible log file.
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# The job waits to complete until the flag file exists, so we can
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# safely access the log here.
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ansible_log = os.path.join(build.jobdir.log_root, 'job-output.txt')
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for x in iterate_timeout(30, "ansible log"):
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if os.path.exists(ansible_log):
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break
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# Start a thread with the websocket client
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client1 = self.runWSClient(web.port, build.uuid)
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client1.event.wait()
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# Wait until we've streamed everything so far
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for x in iterate_timeout(30, "streamer is caught up"):
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with open(ansible_log, 'r') as logfile:
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if client1.results == logfile.read():
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break
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# This is intensive, give it some time
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time.sleep(1)
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self.assertNotEqual(len(web.web.stream_manager.streamers.keys()), 0)
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# Hangup the client side
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client1.close(1000, 'test close')
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client1.thread.join()
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# The client should be de-registered shortly
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for x in iterate_timeout(30, "client cleanup"):
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if len(web.web.stream_manager.streamers.keys()) == 0:
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break
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# Allow the job to complete
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flag_file = os.path.join(build_dir, 'test_wait')
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open(flag_file, 'w').close()
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self.waitUntilSettled()
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def test_finger_gateway(self):
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# Start the finger streamer daemon
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streamer = zuul.lib.log_streamer.LogStreamer(
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self.host, 0, self.executor_server.jobdir_root)
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self.addCleanup(streamer.stop)
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finger_port = streamer.server.socket.getsockname()[1]
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# Need to set the streaming port before submitting the job
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self.executor_server.log_streaming_port = finger_port
|
|
|
|
A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
|
|
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
|
|
|
|
# We don't have any real synchronization for the ansible jobs, so
|
|
# just wait until we get our running build.
|
|
for x in iterate_timeout(30, "build"):
|
|
if len(self.builds):
|
|
break
|
|
build = self.builds[0]
|
|
self.assertEqual(build.name, 'python27')
|
|
|
|
build_dir = os.path.join(self.executor_server.jobdir_root, build.uuid)
|
|
for x in iterate_timeout(30, "build dir"):
|
|
if os.path.exists(build_dir):
|
|
break
|
|
|
|
# Need to wait to make sure that jobdir gets set
|
|
for x in iterate_timeout(30, "jobdir"):
|
|
if build.jobdir is not None:
|
|
break
|
|
|
|
# Wait for the job to begin running and create the ansible log file.
|
|
# The job waits to complete until the flag file exists, so we can
|
|
# safely access the log here. We only open it (to force a file handle
|
|
# to be kept open for it after the job finishes) but wait to read the
|
|
# contents until the job is done.
|
|
ansible_log = os.path.join(build.jobdir.log_root, 'job-output.txt')
|
|
for x in iterate_timeout(30, "ansible log"):
|
|
if os.path.exists(ansible_log):
|
|
break
|
|
logfile = open(ansible_log, 'r')
|
|
self.addCleanup(logfile.close)
|
|
|
|
# Start the finger gateway daemon
|
|
gateway = zuul.lib.fingergw.FingerGateway(
|
|
('127.0.0.1', self.gearman_server.port, None, None, None),
|
|
(self.host, 0),
|
|
user=None,
|
|
command_socket=None,
|
|
pid_file=None
|
|
)
|
|
gateway.start()
|
|
self.addCleanup(gateway.stop)
|
|
|
|
gateway_port = gateway.server.socket.getsockname()[1]
|
|
gateway_address = (self.host, gateway_port)
|
|
|
|
# Start a thread with the finger client
|
|
finger_client_event = threading.Event()
|
|
self.finger_client_results = ''
|
|
finger_client_thread = threading.Thread(
|
|
target=self.runFingerClient,
|
|
args=(build.uuid, gateway_address, finger_client_event)
|
|
)
|
|
finger_client_thread.start()
|
|
finger_client_event.wait()
|
|
|
|
# Allow the job to complete
|
|
flag_file = os.path.join(build_dir, 'test_wait')
|
|
open(flag_file, 'w').close()
|
|
|
|
# Wait for the finger client to complete, which it should when
|
|
# it's received the full log.
|
|
finger_client_thread.join()
|
|
|
|
self.waitUntilSettled()
|
|
|
|
file_contents = logfile.read()
|
|
logfile.close()
|
|
self.log.debug("\n\nFile contents: %s\n\n", file_contents)
|
|
self.log.debug("\n\nStreamed: %s\n\n", self.streaming_data)
|
|
self.assertEqual(file_contents, self.streaming_data)
|