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feat: implement apiToken failover mechanism (#1256)

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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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29
plugins/wasm-go/extensions/ai-proxy/provider/moonshot.go
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@@ -3,13 +3,12 @@ package provider
import (
"errors"
"fmt"
"net/http"
"github.com/alibaba/higress/plugins/wasm-go/extensions/ai-proxy/util"
"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
"github.com/higress-group/proxy-wasm-go-sdk/proxywasm"
"github.com/higress-group/proxy-wasm-go-sdk/proxywasm/types"
"github.com/tidwall/gjson"
"net/http"
)
// moonshotProvider is the provider for Moonshot AI service.
@@ -58,33 +57,29 @@ func (m *moonshotProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName Api
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
_ = util.OverwriteRequestPath(moonshotChatCompletionPath)
_ = util.OverwriteRequestHost(moonshotDomain)
_ = util.OverwriteRequestAuthorization("Bearer " + m.config.GetRandomToken())
_ = proxywasm.RemoveHttpRequestHeader("Content-Length")
m.config.handleRequestHeaders(m, ctx, apiName, log)
return types.ActionContinue, nil
}
func (m *moonshotProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) {
util.OverwriteRequestPathHeader(headers, moonshotChatCompletionPath)
util.OverwriteRequestHostHeader(headers, moonshotDomain)
util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+m.config.GetApiTokenInUse(ctx))
headers.Del("Content-Length")
}
// moonshot 有自己获取 context 的配置（moonshotFileId），因此无法复用 handleRequestBody 方法
// moonshot 的 body 没有修改，无须实现TransformRequestBody，使用默认的 defaultTransformRequestBody 方法
func (m *moonshotProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) {
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
request := &chatCompletionRequest{}
if err := decodeChatCompletionRequest(body, request); err != nil {
if err := m.config.parseRequestAndMapModel(ctx, request, body, log); err != nil {
return types.ActionContinue, err
}
model := request.Model
if model == "" {
return types.ActionContinue, errors.New("missing model in chat completion request")
}
mappedModel := getMappedModel(model, m.config.modelMapping, log)
if mappedModel == "" {
return types.ActionContinue, errors.New("model becomes empty after applying the configured mapping")
}
request.Model = mappedModel
if m.config.moonshotFileId == "" && m.contextCache == nil {
return types.ActionContinue, replaceJsonRequestBody(request, log)
}