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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -20,5 +20,5 @@ | |
| -- @module core.version | ||
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| return { | ||
| VERSION = "3.9.0" | ||
| VERSION = "3.10.0" | ||
| } | ||
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| 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 core = require("apisix.core") | ||
| local ngx = ngx | ||
| local pairs = pairs | ||
| local EMPTY = {} | ||
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| local prompt_schema = { | ||
| properties = { | ||
| role = { | ||
| type = "string", | ||
| enum = { "system", "user", "assistant" } | ||
| }, | ||
| content = { | ||
| type = "string", | ||
| minLength = 1, | ||
| } | ||
| }, | ||
| required = { "role", "content" } | ||
| } | ||
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| local prompts = { | ||
| type = "array", | ||
| items = prompt_schema | ||
| } | ||
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| local schema = { | ||
| type = "object", | ||
| properties = { | ||
| prepend = prompts, | ||
| append = prompts, | ||
| }, | ||
| anyOf = { | ||
| { required = { "prepend" } }, | ||
| { required = { "append" } }, | ||
| { required = { "append", "prepend" } }, | ||
| }, | ||
| } | ||
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| local _M = { | ||
| version = 0.1, | ||
| priority = 1070, | ||
| name = "ai-prompt-decorator", | ||
| schema = schema, | ||
| } | ||
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| function _M.check_schema(conf) | ||
| return core.schema.check(schema, conf) | ||
| end | ||
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| local function get_request_body_table() | ||
| local body, err = core.request.get_body() | ||
| if not body then | ||
| return nil, { message = "could not get body: " .. err } | ||
| end | ||
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| local body_tab, err = core.json.decode(body) | ||
| if not body_tab then | ||
| return nil, { message = "could not get parse JSON request body: " .. err } | ||
| end | ||
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| return body_tab | ||
| end | ||
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| local function decorate(conf, body_tab) | ||
| local new_messages = conf.prepend or EMPTY | ||
| for _, message in pairs(body_tab.messages) do | ||
| core.table.insert_tail(new_messages, message) | ||
| end | ||
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| for _, message in pairs(conf.append or EMPTY) do | ||
| core.table.insert_tail(new_messages, message) | ||
| end | ||
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| body_tab.messages = new_messages | ||
| end | ||
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| function _M.rewrite(conf, ctx) | ||
| local body_tab, err = get_request_body_table() | ||
| if not body_tab then | ||
| return 400, err | ||
| end | ||
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| if not body_tab.messages then | ||
| return 400, "messages missing from request body" | ||
| end | ||
| decorate(conf, body_tab) -- will decorate body_tab in place | ||
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| local new_jbody, err = core.json.encode(body_tab) | ||
| if not new_jbody then | ||
| return 500, { message = "failed to parse modified JSON request body: " .. err } | ||
| end | ||
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| ngx.req.set_body_data(new_jbody) | ||
| end | ||
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| return _M |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| -- | ||
| -- 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 core = require("apisix.core") | ||
| local body_transformer = require("apisix.plugins.body-transformer") | ||
| local ipairs = ipairs | ||
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| local prompt_schema = { | ||
| properties = { | ||
| role = { | ||
| type = "string", | ||
| enum = { "system", "user", "assistant" } | ||
| }, | ||
| content = { | ||
| type = "string", | ||
| minLength = 1, | ||
| } | ||
| }, | ||
| required = { "role", "content" } | ||
| } | ||
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| local prompts = { | ||
| type = "array", | ||
| minItems = 1, | ||
| items = prompt_schema | ||
| } | ||
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| local schema = { | ||
| type = "object", | ||
| properties = { | ||
| templates = { | ||
| type = "array", | ||
| minItems = 1, | ||
| items = { | ||
| type = "object", | ||
| properties = { | ||
| name = { | ||
| type = "string", | ||
| minLength = 1, | ||
| }, | ||
| template = { | ||
| type = "object", | ||
| properties = { | ||
| model = { | ||
| type = "string", | ||
| minLength = 1, | ||
| }, | ||
| messages = prompts | ||
| } | ||
| } | ||
| }, | ||
| required = {"name", "template"} | ||
| } | ||
| }, | ||
| }, | ||
| required = {"templates"}, | ||
| } | ||
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| local _M = { | ||
| version = 0.1, | ||
| priority = 1071, | ||
| name = "ai-prompt-template", | ||
| schema = schema, | ||
| } | ||
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| local templates_lrucache = core.lrucache.new({ | ||
| ttl = 300, count = 256 | ||
| }) | ||
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| local templates_json_lrucache = core.lrucache.new({ | ||
| ttl = 300, count = 256 | ||
| }) | ||
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| function _M.check_schema(conf) | ||
| return core.schema.check(schema, conf) | ||
| end | ||
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| local function get_request_body_table() | ||
| local body, err = core.request.get_body() | ||
| if not body then | ||
| return nil, { message = "could not get body: " .. err } | ||
| end | ||
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| local body_tab, err = core.json.decode(body) | ||
| if not body_tab then | ||
| return nil, { message = "could not get parse JSON request body: ", err } | ||
| end | ||
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| return body_tab | ||
| end | ||
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| local function find_template(conf, template_name) | ||
| for _, template in ipairs(conf.templates) do | ||
| if template.name == template_name then | ||
| return template.template | ||
| end | ||
| end | ||
| return nil | ||
| end | ||
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| function _M.rewrite(conf, ctx) | ||
| local body_tab, err = get_request_body_table() | ||
| if not body_tab then | ||
| return 400, err | ||
| end | ||
| local template_name = body_tab.template_name | ||
| if not template_name then | ||
| return 400, { message = "template name is missing in request." } | ||
| end | ||
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| local template = templates_lrucache(template_name, conf, find_template, conf, template_name) | ||
| if not template then | ||
| return 400, { message = "template: " .. template_name .. " not configured." } | ||
| end | ||
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| local template_json = templates_json_lrucache(template, template, core.json.encode, template) | ||
| core.log.info("sending template to body_transformer: ", template_json) | ||
| return body_transformer.rewrite( | ||
| { | ||
| request = { | ||
| template = template_json, | ||
| input_format = "json" | ||
| } | ||
| }, | ||
| ctx | ||
| ) | ||
| end | ||
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| return _M |
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