async def route_req(self, table_name: str, key: K, web: Web,
request: Request) -> Response:
"""Route request to worker having key in table.
Arguments:
table_name: Name of the table.
key: The key that we want.
web: The currently sued web driver,
request: The web request currently being served.
"""
app = self.app
try:
dest_url: URL = app.router.key_store(table_name, key)
except KeyError:
raise ServiceUnavailable()
dest_ident = (host, port) = self._urlident(dest_url)
if dest_ident == self._urlident(app.conf.canonical_url):
raise SameNode()
routed_url = request.url.with_host(host).with_port(int(port))
async with app.http_client.get(routed_url) as response:
return web.text(
await response.text(),
content_type=response.content_type,
status=response.status,
)
async def get(self, request: web.Request, name: str,
key: str) -> web.Response:
router = self.app.router
try:
dest_url = router.key_store(name, key)
except KeyError:
raise ServiceUnavailable()
else:
return self.json(str(dest_url))
async def route_req(self, table_name: str, key: K, web: Web,
request: Request) -> Response:
app = self.app
try:
dest_url: URL = app.router.key_store(table_name, key)
except KeyError:
raise ServiceUnavailable()
dest_ident = (host, port) = self._urlident(dest_url)
if dest_ident == self._urlident(app.conf.canonical_url):
raise SameNode()
routed_url = request.url.with_host(host).with_port(int(port))
async with app.http_client.get(routed_url) as response:
return web.text(await response.text(),
content_type=response.content_type)
async def route_topic_req(self, topic: TopicT, key: K, web: Web,
request: Request) -> Response:
"""Route request to a worker that processes the partition with the given key.
Arguments:
topic: the topic to route request for.
key: The key that we want.
web: The currently sued web driver,
request: The web request currently being served.
"""
app = self.app
try:
dest_url: URL = app.router.external_topic_key_store(topic, key)
except KeyError:
raise ServiceUnavailable()
return await self._route_req(dest_url, web, request)
async def route_req(self, table_name: str, key: K, web: Web,
request: Request) -> Response:
"""Route request to worker having key in table.
Arguments:
table_name: Name of the table.
key: The key that we want.
web: The currently sued web driver,
request: The web request currently being served.
"""
app = self.app
try:
dest_url: URL = app.router.key_store(table_name, key)
except KeyError:
raise ServiceUnavailable()
return await self._route_req(dest_url, web, request)
async def get(self, request: web.Request, name: str,
key: str) -> web.Response:
"""Return JSON response after looking up the route of a table key.
Arguments:
name: Name of table.
key: Key to look up node for.
Raises:
faust.web.exceptions.ServiceUnavailable: if broker metadata
has not yet been received.
"""
router = self.app.router
try:
dest_url = router.key_store(name, key)
except KeyError:
raise ServiceUnavailable()
else:
return self.json(str(dest_url))