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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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58
plugins/wasm-go/extensions/ai-proxy/provider/groq.go
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@@ -2,11 +2,11 @@ package provider
import (
"errors"
"fmt"
"net/http"
"strings"
"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"
)
@@ -18,14 +18,14 @@ const (
type groqProviderInitializer struct{}
func (m *groqProviderInitializer) ValidateConfig(config ProviderConfig) error {
func (g *groqProviderInitializer) ValidateConfig(config ProviderConfig) error {
if config.apiTokens == nil || len(config.apiTokens) == 0 {
return errors.New("no apiToken found in provider config")
}
return nil
}
func (m *groqProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) {
func (g *groqProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) {
return &groqProvider{
config: config,
contextCache: createContextCache(&config),
@@ -37,47 +37,35 @@ type groqProvider struct {
contextCache *contextCache
}
func (m *groqProvider) GetProviderType() string {
func (g *groqProvider) GetProviderType() string {
return providerTypeGroq
}
func (m *groqProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) (types.Action, error) {
func (g *groqProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) (types.Action, error) {
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
_ = util.OverwriteRequestPath(groqChatCompletionPath)
_ = util.OverwriteRequestHost(groqDomain)
_ = util.OverwriteRequestAuthorization("Bearer " + m.config.GetRandomToken())
_ = proxywasm.RemoveHttpRequestHeader("Content-Length")
g.config.handleRequestHeaders(g, ctx, apiName, log)
return types.ActionContinue, nil
}
func (m *groqProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) {
func (g *groqProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) {
if apiName != ApiNameChatCompletion {
return types.ActionContinue, errUnsupportedApiName
}
if m.contextCache == nil {
return types.ActionContinue, nil
}
request := &chatCompletionRequest{}
if err := decodeChatCompletionRequest(body, request); err != nil {
return types.ActionContinue, err
}
err := m.contextCache.GetContent(func(content string, err error) {
defer func() {
_ = proxywasm.ResumeHttpRequest()
}()
if err != nil {
log.Errorf("failed to load context file: %v", err)
_ = util.SendResponse(500, "ai-proxy.groq.load_ctx_failed", util.MimeTypeTextPlain, fmt.Sprintf("failed to load context file: %v", err))
}
insertContextMessage(request, content)
if err := replaceJsonRequestBody(request, log); err != nil {
_ = util.SendResponse(500, "ai-proxy.groq.insert_ctx_failed", util.MimeTypeTextPlain, fmt.Sprintf("failed to replace request body: %v", err))
}
}, log)
if err == nil {
return types.ActionPause, nil
}
return types.ActionContinue, err
return g.config.handleRequestBody(g, g.contextCache, ctx, apiName, body, log)
}
func (g *groqProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) {
util.OverwriteRequestPathHeader(headers, groqChatCompletionPath)
util.OverwriteRequestHostHeader(headers, groqDomain)
util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+g.config.GetApiTokenInUse(ctx))
headers.Del("Content-Length")
}
func (g *groqProvider) GetApiName(path string) ApiName {
if strings.Contains(path, groqChatCompletionPath) {
return ApiNameChatCompletion
}
return ""
}