-
Notifications
You must be signed in to change notification settings - Fork 2.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
fix(ai-proxy): abstract a base for ai-proxy (#11991)
- Loading branch information
1 parent
2a5425f
commit 35a59eb
Showing
4 changed files
with
128 additions
and
105 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| -- | ||
| -- Licensed to the Apache Software Foundation (ASF) under one or more | ||
| -- contributor license agreements. See the NOTICE file distributed with | ||
| -- this work for additional information regarding copyright ownership. | ||
| -- The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| -- (the "License"); you may not use this file except in compliance with | ||
| -- the License. You may obtain a copy of the License at | ||
| -- | ||
| -- http://www.apache.org/licenses/LICENSE-2.0 | ||
| -- | ||
| -- Unless required by applicable law or agreed to in writing, software | ||
| -- distributed under the License is distributed on an "AS IS" BASIS, | ||
| -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| -- See the License for the specific language governing permissions and | ||
| -- limitations under the License. | ||
| -- | ||
|
|
||
| local CONTENT_TYPE_JSON = "application/json" | ||
| local core = require("apisix.core") | ||
| local bad_request = ngx.HTTP_BAD_REQUEST | ||
| local internal_server_error = ngx.HTTP_INTERNAL_SERVER_ERROR | ||
| local schema = require("apisix.plugins.ai-proxy.schema") | ||
| local ngx_req = ngx.req | ||
| local ngx_print = ngx.print | ||
| local ngx_flush = ngx.flush | ||
|
|
||
| local function keepalive_or_close(conf, httpc) | ||
| if conf.set_keepalive then | ||
| httpc:set_keepalive(10000, 100) | ||
| return | ||
| end | ||
| httpc:close() | ||
| end | ||
|
|
||
| local _M = {} | ||
|
|
||
| function _M.new(proxy_request_to_llm_func, get_model_name_func) | ||
| return function(conf, ctx) | ||
| local ct = core.request.header(ctx, "Content-Type") or CONTENT_TYPE_JSON | ||
| if not core.string.has_prefix(ct, CONTENT_TYPE_JSON) then | ||
| return bad_request, "unsupported content-type: " .. ct | ||
| end | ||
|
|
||
| local request_table, err = core.request.get_json_request_body_table() | ||
| if not request_table then | ||
| return bad_request, err | ||
| end | ||
|
|
||
| local ok, err = core.schema.check(schema.chat_request_schema, request_table) | ||
| if not ok then | ||
| return bad_request, "request format doesn't match schema: " .. err | ||
| end | ||
|
|
||
| request_table.model = get_model_name_func(conf) | ||
|
|
||
| if core.table.try_read_attr(conf, "model", "options", "stream") then | ||
| request_table.stream = true | ||
| end | ||
|
|
||
| local res, err, httpc = proxy_request_to_llm_func(conf, request_table, ctx) | ||
| if not res then | ||
| core.log.error("failed to send request to LLM service: ", err) | ||
| return internal_server_error | ||
| end | ||
|
|
||
| local body_reader = res.body_reader | ||
| if not body_reader then | ||
| core.log.error("LLM sent no response body") | ||
| return internal_server_error | ||
| end | ||
|
|
||
| if conf.passthrough then | ||
| ngx_req.init_body() | ||
| while true do | ||
| local chunk, err = body_reader() -- will read chunk by chunk | ||
| if err then | ||
| core.log.error("failed to read response chunk: ", err) | ||
| break | ||
| end | ||
| if not chunk then | ||
| break | ||
| end | ||
| ngx_req.append_body(chunk) | ||
| end | ||
| ngx_req.finish_body() | ||
| keepalive_or_close(conf, httpc) | ||
| return | ||
| end | ||
|
|
||
| if request_table.stream then | ||
| while true do | ||
| local chunk, err = body_reader() -- will read chunk by chunk | ||
| if err then | ||
| core.log.error("failed to read response chunk: ", err) | ||
| break | ||
| end | ||
| if not chunk then | ||
| break | ||
| end | ||
| ngx_print(chunk) | ||
| ngx_flush(true) | ||
| end | ||
| keepalive_or_close(conf, httpc) | ||
| return | ||
| else | ||
| local res_body, err = res:read_body() | ||
| if not res_body then | ||
| core.log.error("failed to read response body: ", err) | ||
| return internal_server_error | ||
| end | ||
| keepalive_or_close(conf, httpc) | ||
| return res.status, res_body | ||
| end | ||
| end | ||
| end | ||
|
|
||
| return _M |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters