async def deploy(self, name: str, backend_config: BackendConfig,
replica_config: ReplicaConfig,
version: Optional[str]) -> Optional[GoalId]:
# By default the path prefix is the deployment name.
if replica_config.path_prefix is None:
replica_config.path_prefix = f"/{name}"
# Backend config should be synchronized so the backend worker
# is aware of it.
backend_config.internal_metadata.path_prefix = f"/{name}"
if replica_config.is_asgi_app:
# When the backend is asgi application, we want to proxy it
# with a prefixed path as well as proxy all HTTP methods.
# {wildcard:path} is used so HTTPProxy's Starlette router can match
# arbitrary path.
http_route = f"{replica_config.path_prefix}" + "/{wildcard:path}"
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods
http_methods = [
"GET", "HEAD", "POST", "PUT", "DELETE", "CONNECT", "OPTIONS",
"TRACE", "PATCH"
]
else:
http_route = replica_config.path_prefix
# Generic endpoint should support a limited subset of HTTP methods.
http_methods = ["GET", "POST"]
python_methods = []
if inspect.isclass(replica_config.backend_def):
for method_name, _ in inspect.getmembers(
replica_config.backend_def, inspect.isfunction):
python_methods.append(method_name)
async with self.write_lock:
if version is None:
version = RESERVED_VERSION_TAG
else:
if version == RESERVED_VERSION_TAG:
# TODO(edoakes): this is unlikely to ever be hit, but it's
# still ugly and should be removed once the old codepath
# can be deleted.
raise ValueError(
f"Version {RESERVED_VERSION_TAG} is reserved and "
"cannot be used by applications.")
goal_id = self.backend_state.deploy_backend(
name, backend_config, replica_config, version)
self.endpoint_state.create_endpoint(
name,
http_route,
http_methods,
TrafficPolicy({
name: 1.0
}),
python_methods=python_methods)
return goal_id
async def deploy(self, name: str, backend_config: BackendConfig,
replica_config: ReplicaConfig,
version: Optional[str]) -> Optional[GoalId]:
# By default the path prefix is the deployment name.
if replica_config.path_prefix is None:
replica_config.path_prefix = f"/{name}"
# Backend config should be synchronized so the backend worker
# is aware of it.
backend_config.internal_metadata.path_prefix = f"/{name}"
else:
if ("{" in replica_config.path_prefix
or "}" in replica_config.path_prefix):
raise ValueError(
"Wildcard routes are not supported for deployment paths. "
"Please use @serve.ingress with FastAPI instead.")
if replica_config.is_asgi_app:
# When the backend is asgi application, we want to proxy it
# with a prefixed path as well as proxy all HTTP methods.
# {wildcard:path} is used so HTTPProxy's Starlette router can match
# arbitrary path.
path_prefix = replica_config.path_prefix
if path_prefix.endswith("/"):
path_prefix = path_prefix[:-1]
http_route = path_prefix + WILDCARD_PATH_SUFFIX
http_methods = ALL_HTTP_METHODS
else:
http_route = replica_config.path_prefix
# Generic endpoint should support a limited subset of HTTP methods.
http_methods = ["GET", "POST"]
python_methods = []
if inspect.isclass(replica_config.backend_def):
for method_name, _ in inspect.getmembers(
replica_config.backend_def, inspect.isfunction):
python_methods.append(method_name)
async with self.write_lock:
backend_info = BackendInfo(worker_class=create_backend_replica(
replica_config.backend_def),
version=version,
backend_config=backend_config,
replica_config=replica_config)
goal_id = self.backend_state.deploy_backend(name, backend_info)
self.endpoint_state.create_endpoint(name,
http_route,
http_methods,
TrafficPolicy({name: 1.0}),
python_methods=python_methods)
return goal_id
async def deploy(self, name: str, backend_config: BackendConfig,
replica_config: ReplicaConfig,
version: Optional[str]) -> Optional[GoalId]:
# By default the path prefix is the deployment name.
if replica_config.path_prefix is None:
replica_config.path_prefix = f"/{name}"
# Backend config should be synchronized so the backend worker
# is aware of it.
backend_config.internal_metadata.path_prefix = f"/{name}"
if replica_config.is_asgi_app:
# When the backend is asgi application, we want to proxy it
# with a prefixed path as well as proxy all HTTP methods.
# {wildcard:path} is used so HTTPProxy's Starlette router can match
# arbitrary path.
http_route = f"{replica_config.path_prefix}" + "/{wildcard:path}"
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods
http_methods = [
"GET", "HEAD", "POST", "PUT", "DELETE", "CONNECT", "OPTIONS",
"TRACE", "PATCH"
]
else:
http_route = replica_config.path_prefix
# Generic endpoint should support a limited subset of HTTP methods.
http_methods = ["GET", "POST"]
python_methods = []
if inspect.isclass(replica_config.backend_def):
for method_name, _ in inspect.getmembers(
replica_config.backend_def, inspect.isfunction):
python_methods.append(method_name)
async with self.write_lock:
backend_info = BackendInfo(
worker_class=create_backend_replica(
replica_config.backend_def),
version=version,
backend_config=backend_config,
replica_config=replica_config)
goal_id = self.backend_state.deploy_backend(name, backend_info)
self.endpoint_state.create_endpoint(
name,
http_route,
http_methods,
TrafficPolicy({
name: 1.0
}),
python_methods=python_methods)
return goal_id