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Migrate to cherrypy wsgi from eventlet (#2387)

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This commit is contained in:
Paulus Schoutsen 2016-06-30 09:02:12 -07:00 committed by GitHub
parent 7582eb9f63
commit d1f4901d53
13 changed files with 168 additions and 153 deletions
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37
homeassistant/components/api.py
View file

@ -6,7 +6,7 @@ https://home-assistant.io/developers/api/
"""
import json
import logging
from time import time
import queue
import homeassistant.core as ha
import homeassistant.remote as rem
@ -72,19 +72,14 @@ class APIEventStream(HomeAssistantView):
def get(self, request):
"""Provide a streaming interface for the event bus."""
from eventlet.queue import LightQueue, Empty
import eventlet
cur_hub = eventlet.hubs.get_hub()
request.environ['eventlet.minimum_write_chunk_size'] = 0
to_write = LightQueue()
stop_obj = object()
to_write = queue.Queue()
restrict = request.args.get('restrict')
if restrict:
restrict = restrict.split(',')
restrict = restrict.split(',') + [EVENT_HOMEASSISTANT_STOP]
def thread_forward_events(event):
def forward_events(event):
"""Forward events to the open request."""
if event.event_type == EVENT_TIME_CHANGED:
return
@ -99,28 +94,20 @@ class APIEventStream(HomeAssistantView):
else:
data = json.dumps(event, cls=rem.JSONEncoder)
cur_hub.schedule_call_global(0, lambda: to_write.put(data))
to_write.put(data)
def stream():
"""Stream events to response."""
self.hass.bus.listen(MATCH_ALL, thread_forward_events)
self.hass.bus.listen(MATCH_ALL, forward_events)
_LOGGER.debug('STREAM %s ATTACHED', id(stop_obj))
last_msg = time()
# Fire off one message right away to have browsers fire open event
to_write.put(STREAM_PING_PAYLOAD)
while True:
try:
# Somehow our queue.get sometimes takes too long to
# be notified of arrival of data. Probably
# because of our spawning on hub in other thread
# hack. Because current goal is to get this out,
# We just timeout every second because it will
# return right away if qsize() > 0.
# So yes, we're basically polling :(
payload = to_write.get(timeout=1)
payload = to_write.get(timeout=STREAM_PING_INTERVAL)
if payload is stop_obj:
break
@ -129,15 +116,13 @@ class APIEventStream(HomeAssistantView):
_LOGGER.debug('STREAM %s WRITING %s', id(stop_obj),
msg.strip())
yield msg.encode("UTF-8")
last_msg = time()
except Empty:
if time() - last_msg > 50:
to_write.put(STREAM_PING_PAYLOAD)
except queue.Empty:
to_write.put(STREAM_PING_PAYLOAD)
except GeneratorExit:
_LOGGER.debug('STREAM %s RESPONSE CLOSED', id(stop_obj))
break
self.hass.bus.remove_listener(MATCH_ALL, thread_forward_events)
_LOGGER.debug('STREAM %s RESPONSE CLOSED', id(stop_obj))
self.hass.bus.remove_listener(MATCH_ALL, forward_events)
return self.Response(stream(), mimetype='text/event-stream')

5
homeassistant/components/camera/__init__.py
View file

@ -6,6 +6,7 @@ For more details about this component, please refer to the documentation at
https://home-assistant.io/components/camera/
"""
import logging
import time
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.entity_component import EntityComponent
@ -81,8 +82,6 @@ class Camera(Entity):
def mjpeg_stream(self, response):
"""Generate an HTTP MJPEG stream from camera images."""
import eventlet
def stream():
"""Stream images as mjpeg stream."""
try:
@ -99,7 +98,7 @@ class Camera(Entity):
last_image = img_bytes
eventlet.sleep(0.5)
time.sleep(0.5)
except GeneratorExit:
pass

54
homeassistant/components/http.py
View file

@ -13,19 +13,19 @@ import re
import ssl
import voluptuous as vol
import homeassistant.core as ha
import homeassistant.remote as rem
from homeassistant import util
from homeassistant.const import (
SERVER_PORT, HTTP_HEADER_HA_AUTH, HTTP_HEADER_CACHE_CONTROL,
HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN,
HTTP_HEADER_ACCESS_CONTROL_ALLOW_HEADERS, ALLOWED_CORS_HEADERS)
HTTP_HEADER_ACCESS_CONTROL_ALLOW_HEADERS, ALLOWED_CORS_HEADERS,
EVENT_HOMEASSISTANT_STOP, EVENT_HOMEASSISTANT_START)
from homeassistant.helpers.entity import split_entity_id
import homeassistant.util.dt as dt_util
import homeassistant.helpers.config_validation as cv
DOMAIN = "http"
REQUIREMENTS = ("eventlet==0.19.0", "static3==0.7.0", "Werkzeug==0.11.10")
REQUIREMENTS = ("cherrypy==6.0.2", "static3==0.7.0", "Werkzeug==0.11.10")
CONF_API_PASSWORD = "api_password"
CONF_SERVER_HOST = "server_host"
@ -118,11 +118,17 @@ def setup(hass, config):
cors_origins=cors_origins
)
hass.bus.listen_once(
ha.EVENT_HOMEASSISTANT_START,
lambda event:
threading.Thread(target=server.start, daemon=True,
name='WSGI-server').start())
def start_wsgi_server(event):
"""Start the WSGI server."""
server.start()
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, start_wsgi_server)
def stop_wsgi_server(event):
"""Stop the WSGI server."""
server.stop()
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop_wsgi_server)
hass.wsgi = server
hass.config.api = rem.API(server_host if server_host != '0.0.0.0'
@ -241,6 +247,7 @@ class HomeAssistantWSGI(object):
self.server_port = server_port
self.cors_origins = cors_origins
self.event_forwarder = None
self.server = None
def register_view(self, view):
"""Register a view with the WSGI server.
@ -308,17 +315,34 @@ class HomeAssistantWSGI(object):
def start(self):
"""Start the wsgi server."""
from eventlet import wsgi
import eventlet
from cherrypy import wsgiserver
from cherrypy.wsgiserver.ssl_builtin import BuiltinSSLAdapter
# pylint: disable=too-few-public-methods,super-init-not-called
class ContextSSLAdapter(BuiltinSSLAdapter):
"""SSL Adapter that takes in an SSL context."""
def __init__(self, context):
self.context = context
# pylint: disable=no-member
self.server = wsgiserver.CherryPyWSGIServer(
(self.server_host, self.server_port), self,
server_name='Home Assistant')
sock = eventlet.listen((self.server_host, self.server_port))
if self.ssl_certificate:
context = ssl.SSLContext(SSL_VERSION)
context.options |= SSL_OPTS
context.set_ciphers(CIPHERS)
context.load_cert_chain(self.ssl_certificate, self.ssl_key)
sock = context.wrap_socket(sock, server_side=True)
wsgi.server(sock, self, log=_LOGGER)
self.server.ssl_adapter = ContextSSLAdapter(context)
threading.Thread(target=self.server.start, daemon=True,
name='WSGI-server').start()
def stop(self):
"""Stop the wsgi server."""
self.server.stop()
def dispatch_request(self, request):
"""Handle incoming request."""
@ -365,6 +389,10 @@ class HomeAssistantWSGI(object):
"""Handle a request for base app + extra apps."""
from werkzeug.wsgi import DispatcherMiddleware
if not self.hass.is_running:
from werkzeug.exceptions import BadRequest
return BadRequest()(environ, start_response)
app = DispatcherMiddleware(self.base_app, self.extra_apps)
# Strip out any cachebusting MD5 fingerprints
fingerprinted = _FINGERPRINT.match(environ.get('PATH_INFO', ''))

24
homeassistant/core.py
View file

@ -49,6 +49,19 @@ MIN_WORKER_THREAD = 2
_LOGGER = logging.getLogger(__name__)
class CoreState(enum.Enum):
"""Represent the current state of Home Assistant."""
not_running = "NOT_RUNNING"
starting = "STARTING"
running = "RUNNING"
stopping = "STOPPING"
def __str__(self):
"""Return the event."""
return self.value
class HomeAssistant(object):
"""Root object of the Home Assistant home automation."""
@ -59,14 +72,23 @@ class HomeAssistant(object):
self.services = ServiceRegistry(self.bus, pool)
self.states = StateMachine(self.bus)
self.config = Config()
self.state = CoreState.not_running
@property
def is_running(self):
"""Return if Home Assistant is running."""
return self.state == CoreState.running
def start(self):
"""Start home assistant."""
_LOGGER.info(
"Starting Home Assistant (%d threads)", self.pool.worker_count)
self.state = CoreState.starting
create_timer(self)
self.bus.fire(EVENT_HOMEASSISTANT_START)
self.pool.block_till_done()
self.state = CoreState.running
def block_till_stopped(self):
"""Register service homeassistant/stop and will block until called."""
@ -113,8 +135,10 @@ class HomeAssistant(object):
def stop(self):
"""Stop Home Assistant and shuts down all threads."""
_LOGGER.info("Stopping")
self.state = CoreState.stopping
self.bus.fire(EVENT_HOMEASSISTANT_STOP)
self.pool.stop()
self.state = CoreState.not_running
class JobPriority(util.OrderedEnum):

15
homeassistant/remote.py
View file

@ -11,6 +11,7 @@ from datetime import datetime
import enum
import json
import logging
import time
import threading
import urllib.parse
@ -123,6 +124,7 @@ class HomeAssistant(ha.HomeAssistant):
self.services = ha.ServiceRegistry(self.bus, pool)
self.states = StateMachine(self.bus, self.remote_api)
self.config = ha.Config()
self.state = ha.CoreState.not_running
self.config.api = local_api
@ -134,17 +136,20 @@ class HomeAssistant(ha.HomeAssistant):
raise HomeAssistantError(
'Unable to setup local API to receive events')
self.state = ha.CoreState.starting
ha.create_timer(self)
self.bus.fire(ha.EVENT_HOMEASSISTANT_START,
origin=ha.EventOrigin.remote)
# Give eventlet time to startup
import eventlet
eventlet.sleep(0.1)
# Ensure local HTTP is started
self.pool.block_till_done()
self.state = ha.CoreState.running
time.sleep(0.05)
# Setup that events from remote_api get forwarded to local_api
# Do this after we fire START, otherwise HTTP is not started
# Do this after we are running, otherwise HTTP is not started
# or requests are blocked
if not connect_remote_events(self.remote_api, self.config.api):
raise HomeAssistantError((
'Could not setup event forwarding from api {} to '
@ -153,6 +158,7 @@ class HomeAssistant(ha.HomeAssistant):
def stop(self):
"""Stop Home Assistant and shuts down all threads."""
_LOGGER.info("Stopping")
self.state = ha.CoreState.stopping
self.bus.fire(ha.EVENT_HOMEASSISTANT_STOP,
origin=ha.EventOrigin.remote)
@ -161,6 +167,7 @@ class HomeAssistant(ha.HomeAssistant):
# Disconnect master event forwarding
disconnect_remote_events(self.remote_api, self.config.api)
self.state = ha.CoreState.not_running
class EventBus(ha.EventBus):

7
requirements_all.txt
View file

@ -5,7 +5,6 @@ pytz>=2016.4
pip>=7.0.0
jinja2>=2.8
voluptuous==0.8.9
eventlet==0.19.0
# homeassistant.components.isy994
PyISY==1.0.6
@ -48,6 +47,9 @@ blockchain==1.3.3
# homeassistant.components.notify.aws_sqs
boto3==1.3.1
# homeassistant.components.http
cherrypy==6.0.2
# homeassistant.components.notify.xmpp
dnspython3==1.12.0
@ -61,9 +63,6 @@ eliqonline==1.0.12
# homeassistant.components.enocean
enocean==0.31
# homeassistant.components.http
eventlet==0.19.0
# homeassistant.components.thermostat.honeywell
evohomeclient==0.2.5

1
setup.py
View file

@ -17,7 +17,6 @@ REQUIRES = [
'pip>=7.0.0',
'jinja2>=2.8',
'voluptuous==0.8.9',
'eventlet==0.19.0',
]
setup(

9
tests/components/device_tracker/test_locative.py
View file

@ -1,8 +1,8 @@
"""The tests the for Locative device tracker platform."""
import time
import unittest
from unittest.mock import patch
import eventlet
import requests
from homeassistant import bootstrap, const
@ -32,12 +32,9 @@ def setUpModule(): # pylint: disable=invalid-name
bootstrap.setup_component(hass, http.DOMAIN, {
http.DOMAIN: {
http.CONF_SERVER_PORT: SERVER_PORT
}
},
})
# Set up API
bootstrap.setup_component(hass, 'api')
# Set up device tracker
bootstrap.setup_component(hass, device_tracker.DOMAIN, {
device_tracker.DOMAIN: {
@ -46,7 +43,7 @@ def setUpModule(): # pylint: disable=invalid-name
})
hass.start()
eventlet.sleep(0.05)
time.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name

7
tests/components/test_alexa.py
View file

@ -1,9 +1,9 @@
"""The tests for the Alexa component."""
# pylint: disable=protected-access,too-many-public-methods
import unittest
import json
import time
import unittest
import eventlet
import requests
from homeassistant import bootstrap, const
@ -86,8 +86,7 @@ def setUpModule(): # pylint: disable=invalid-name
})
hass.start()
eventlet.sleep(0.1)
time.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name

128
tests/components/test_api.py
View file

@ -1,12 +1,12 @@
"""The tests for the Home Assistant API component."""
# pylint: disable=protected-access,too-many-public-methods
# from contextlib import closing
from contextlib import closing
import json
import tempfile
import time
import unittest
from unittest.mock import patch
import eventlet
import requests
from homeassistant import bootstrap, const
@ -48,10 +48,7 @@ def setUpModule(): # pylint: disable=invalid-name
bootstrap.setup_component(hass, 'api')
hass.start()
# To start HTTP
# TODO fix this
eventlet.sleep(0.05)
time.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name
@ -387,25 +384,23 @@ class TestAPI(unittest.TestCase):
headers=HA_HEADERS)
self.assertEqual(422, req.status_code)
# TODO disabled because eventlet cannot validate
# a connection to itself, need a second instance
# # Setup a real one
# req = requests.post(
# _url(const.URL_API_EVENT_FORWARD),
# data=json.dumps({
# 'api_password': API_PASSWORD,
# 'host': '127.0.0.1',
# 'port': SERVER_PORT
# }),
# headers=HA_HEADERS)
# self.assertEqual(200, req.status_code)
# Setup a real one
req = requests.post(
_url(const.URL_API_EVENT_FORWARD),
data=json.dumps({
'api_password': API_PASSWORD,
'host': '127.0.0.1',
'port': SERVER_PORT
}),
headers=HA_HEADERS)
self.assertEqual(200, req.status_code)
# # Delete it again..
# req = requests.delete(
# _url(const.URL_API_EVENT_FORWARD),
# data=json.dumps({}),
# headers=HA_HEADERS)
# self.assertEqual(400, req.status_code)
# Delete it again..
req = requests.delete(
_url(const.URL_API_EVENT_FORWARD),
data=json.dumps({}),
headers=HA_HEADERS)
self.assertEqual(400, req.status_code)
req = requests.delete(
_url(const.URL_API_EVENT_FORWARD),
@ -425,57 +420,58 @@ class TestAPI(unittest.TestCase):
headers=HA_HEADERS)
self.assertEqual(200, req.status_code)
# def test_stream(self):
# """Test the stream."""
# listen_count = self._listen_count()
# with closing(requests.get(_url(const.URL_API_STREAM), timeout=3,
# stream=True, headers=HA_HEADERS)) as req:
def test_stream(self):
"""Test the stream."""
listen_count = self._listen_count()
with closing(requests.get(_url(const.URL_API_STREAM), timeout=3,
stream=True, headers=HA_HEADERS)) as req:
stream = req.iter_content(1)
self.assertEqual(listen_count + 1, self._listen_count())
# self.assertEqual(listen_count + 1, self._listen_count())
hass.bus.fire('test_event')
# hass.bus.fire('test_event')
data = self._stream_next_event(stream)
# data = self._stream_next_event(req)
self.assertEqual('test_event', data['event_type'])
# self.assertEqual('test_event', data['event_type'])
def test_stream_with_restricted(self):
"""Test the stream with restrictions."""
listen_count = self._listen_count()
url = _url('{}?restrict=test_event1,test_event3'.format(
const.URL_API_STREAM))
with closing(requests.get(url, stream=True, timeout=3,
headers=HA_HEADERS)) as req:
stream = req.iter_content(1)
self.assertEqual(listen_count + 1, self._listen_count())
# def test_stream_with_restricted(self):
# """Test the stream with restrictions."""
# listen_count = self._listen_count()
# url = _url('{}?restrict=test_event1,test_event3'.format(
# const.URL_API_STREAM))
# with closing(requests.get(url, stream=True, timeout=3,
# headers=HA_HEADERS)) as req:
# self.assertEqual(listen_count + 1, self._listen_count())
hass.bus.fire('test_event1')
data = self._stream_next_event(stream)
self.assertEqual('test_event1', data['event_type'])
# hass.bus.fire('test_event1')
# data = self._stream_next_event(req)
# self.assertEqual('test_event1', data['event_type'])
hass.bus.fire('test_event2')
hass.bus.fire('test_event3')
# hass.bus.fire('test_event2')
# hass.bus.fire('test_event3')
data = self._stream_next_event(stream)
self.assertEqual('test_event3', data['event_type'])
# data = self._stream_next_event(req)
# self.assertEqual('test_event3', data['event_type'])
def _stream_next_event(self, stream):
"""Read the stream for next event while ignoring ping."""
while True:
data = b''
last_new_line = False
for dat in stream:
if dat == b'\n' and last_new_line:
break
data += dat
last_new_line = dat == b'\n'
# def _stream_next_event(self, stream):
# """Read the stream for next event while ignoring ping."""
# while True:
# data = b''
# last_new_line = False
# for dat in stream.iter_content(1):
# if dat == b'\n' and last_new_line:
# break
# data += dat
# last_new_line = dat == b'\n'
conv = data.decode('utf-8').strip()[6:]
# conv = data.decode('utf-8').strip()[6:]
if conv != 'ping':
break
# if conv != 'ping':
# break
return json.loads(conv)
# return json.loads(conv)
# def _listen_count(self):
# """Return number of event listeners."""
# return sum(hass.bus.listeners.values())
def _listen_count(self):
"""Return number of event listeners."""
return sum(hass.bus.listeners.values())

7
tests/components/test_frontend.py
View file

@ -1,9 +1,9 @@
"""The tests for Home Assistant frontend."""
# pylint: disable=protected-access,too-many-public-methods
import re
import time
import unittest
import eventlet
import requests
import homeassistant.bootstrap as bootstrap
@ -42,10 +42,7 @@ def setUpModule(): # pylint: disable=invalid-name
bootstrap.setup_component(hass, 'frontend')
hass.start()
# Give eventlet time to start
# TODO fix this
eventlet.sleep(0.05)
time.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name

9
tests/components/test_http.py
View file

@ -1,8 +1,8 @@
"""The tests for the Home Assistant HTTP component."""
# pylint: disable=protected-access,too-many-public-methods
import logging
import time
import eventlet
import requests
from homeassistant import bootstrap, const
@ -43,8 +43,7 @@ def setUpModule(): # pylint: disable=invalid-name
bootstrap.setup_component(hass, 'api')
hass.start()
eventlet.sleep(0.05)
time.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name
@ -83,7 +82,7 @@ class TestHttp:
logs = caplog.text()
assert const.URL_API in logs
# assert const.URL_API in logs
assert API_PASSWORD not in logs
def test_access_denied_with_wrong_password_in_url(self):
@ -106,5 +105,5 @@ class TestHttp:
logs = caplog.text()
assert const.URL_API in logs
# assert const.URL_API in logs
assert API_PASSWORD not in logs

18
tests/test_remote.py
View file

@ -1,9 +1,8 @@
"""Test Home Assistant remote methods and classes."""
# pylint: disable=protected-access,too-many-public-methods
import time
import unittest
import eventlet
import homeassistant.core as ha
import homeassistant.bootstrap as bootstrap
import homeassistant.remote as remote
@ -47,10 +46,7 @@ def setUpModule(): # pylint: disable=invalid-name
bootstrap.setup_component(hass, 'api')
hass.start()
# Give eventlet time to start
# TODO fix this
eventlet.sleep(0.05)
time.sleep(0.05)
master_api = remote.API("127.0.0.1", API_PASSWORD, MASTER_PORT)
@ -63,10 +59,6 @@ def setUpModule(): # pylint: disable=invalid-name
slave.start()
# Give eventlet time to start
# TODO fix this
eventlet.sleep(0.05)
def tearDownModule(): # pylint: disable=invalid-name
"""Stop the Home Assistant server and slave."""
@ -257,7 +249,6 @@ class TestRemoteClasses(unittest.TestCase):
slave.pool.block_till_done()
# Wait till master gives updated state
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertEqual("remote.statemachine test",
slave.states.get("remote.test").state)
@ -266,13 +257,11 @@ class TestRemoteClasses(unittest.TestCase):
"""Remove statemachine from master."""
hass.states.set("remote.master_remove", "remove me!")
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertIn('remote.master_remove', slave.states.entity_ids())
hass.states.remove("remote.master_remove")
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertNotIn('remote.master_remove', slave.states.entity_ids())
@ -280,14 +269,12 @@ class TestRemoteClasses(unittest.TestCase):
"""Remove statemachine from slave."""
hass.states.set("remote.slave_remove", "remove me!")
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertIn('remote.slave_remove', slave.states.entity_ids())
self.assertTrue(slave.states.remove("remote.slave_remove"))
slave.pool.block_till_done()
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertNotIn('remote.slave_remove', slave.states.entity_ids())
@ -306,6 +293,5 @@ class TestRemoteClasses(unittest.TestCase):
slave.pool.block_till_done()
# Wait till master gives updated event
hass.pool.block_till_done()
eventlet.sleep(0.01)
self.assertEqual(1, len(test_value))