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feat: implement apiToken failover mechanism (#1256)

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This commit is contained in:
Se7en
2024-11-16 19:03:09 +08:00
committed by GitHub
parent f2a5df3949
commit d24123a55f
33 changed files with 1558 additions and 1231 deletions
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47
plugins/wasm-go/extensions/ai-proxy/provider/spark.go
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@@ -2,8 +2,8 @@ package provider
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"time"
@@ -71,11 +71,7 @@ func (p *sparkProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiNam
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
_ = util.OverwriteRequestHost(sparkHost)
_ = util.OverwriteRequestPath(sparkChatCompletionPath)
_ = util.OverwriteRequestAuthorization("Bearer " + p.config.GetRandomToken())
_ = proxywasm.RemoveHttpRequestHeader("Accept-Encoding")
_ = proxywasm.RemoveHttpRequestHeader("Content-Length")
p.config.handleRequestHeaders(p, ctx, apiName, log)
return types.ActionContinue, nil
}
@@ -83,36 +79,7 @@ func (p *sparkProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName,
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
// 使用Spark协议
if p.config.protocol == protocolOriginal {
request := &sparkRequest{}
if err := json.Unmarshal(body, request); err != nil {
return types.ActionContinue, fmt.Errorf("unable to unmarshal request: %v", err)
}
if request.Model == "" {
return types.ActionContinue, errors.New("request model is empty")
}
// 目前星火在模型名称错误时，也会调用generalv3，这里还是按照输入的模型名称设置响应里的模型名称
ctx.SetContext(ctxKeyFinalRequestModel, request.Model)
return types.ActionContinue, replaceJsonRequestBody(request, log)
} else {
// 使用openai协议
request := &chatCompletionRequest{}
if err := decodeChatCompletionRequest(body, request); err != nil {
return types.ActionContinue, err
}
if request.Model == "" {
return types.ActionContinue, errors.New("missing model in chat completion request")
}
// 映射模型
mappedModel := getMappedModel(request.Model, p.config.modelMapping, log)
if mappedModel == "" {
return types.ActionContinue, errors.New("model becomes empty after applying the configured mapping")
}
ctx.SetContext(ctxKeyFinalRequestModel, mappedModel)
request.Model = mappedModel
return types.ActionContinue, replaceJsonRequestBody(request, log)
}
return p.config.handleRequestBody(p, p.contextCache, ctx, apiName, body, log)
}
func (p *sparkProvider) OnResponseHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) (types.Action, error) {
@@ -205,3 +172,11 @@ func (p *sparkProvider) streamResponseSpark2OpenAI(ctx wrapper.HttpContext, resp
func (p *sparkProvider) appendResponse(responseBuilder *strings.Builder, responseBody string) {
responseBuilder.WriteString(fmt.Sprintf("%s %s\n\n", streamDataItemKey, responseBody))
}
func (p *sparkProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) {
util.OverwriteRequestPathHeader(headers, sparkChatCompletionPath)
util.OverwriteRequestHostHeader(headers, sparkHost)
util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+p.config.GetApiTokenInUse(ctx))
headers.Del("Accept-Encoding")
headers.Del("Content-Length")
}