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feat: support vertex ai #377
This commit is contained in:
CalciumIon
183
relay/channel/vertex/adaptor.go
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183
relay/channel/vertex/adaptor.go
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@@ -0,0 +1,183 @@
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package vertex
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/jinzhu/copier"
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"io"
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"net/http"
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"one-api/dto"
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"one-api/relay/channel"
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"one-api/relay/channel/claude"
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"one-api/relay/channel/gemini"
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"one-api/relay/channel/openai"
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relaycommon "one-api/relay/common"
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"strings"
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)
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const (
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RequestModeClaude = 1
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RequestModeGemini = 2
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RequestModeLlama = 3
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)
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var claudeModelMap = map[string]string{
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"claude-3-sonnet-20240229": "claude-3-sonnet@20240229",
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"claude-3-opus-20240229": "claude-3-opus@20240229",
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"claude-3-haiku-20240307": "claude-3-haiku@20240307",
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"claude-3-5-sonnet-20240620": "claude-3-5-sonnet@20240620",
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}
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const anthropicVersion = "vertex-2023-10-16"
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type Adaptor struct {
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RequestMode int
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AccountCredentials Credentials
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}
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func (a *Adaptor) ConvertAudioRequest(c *gin.Context, info *relaycommon.RelayInfo, request dto.AudioRequest) (io.Reader, error) {
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//TODO implement me
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return nil, errors.New("not implemented")
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}
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func (a *Adaptor) ConvertImageRequest(c *gin.Context, info *relaycommon.RelayInfo, request dto.ImageRequest) (any, error) {
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//TODO implement me
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return nil, errors.New("not implemented")
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}
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func (a *Adaptor) Init(info *relaycommon.RelayInfo) {
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if strings.HasPrefix(info.UpstreamModelName, "claude") {
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a.RequestMode = RequestModeClaude
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} else if strings.HasPrefix(info.UpstreamModelName, "gemini") {
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a.RequestMode = RequestModeGemini
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} else if strings.Contains(info.UpstreamModelName, "llama") {
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a.RequestMode = RequestModeLlama
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}
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}
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func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
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adc := &Credentials{}
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if err := json.Unmarshal([]byte(info.ApiKey), adc); err != nil {
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return "", fmt.Errorf("failed to decode credentials file: %w", err)
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}
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a.AccountCredentials = *adc
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suffix := ""
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if a.RequestMode == RequestModeGemini {
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if info.IsStream {
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suffix = "streamGenerateContent?alt=sse"
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} else {
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suffix = "generateContent"
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}
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return fmt.Sprintf(
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"https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/google/models/%s:%s",
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info.ApiVersion,
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adc.ProjectID,
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info.ApiVersion,
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info.UpstreamModelName,
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suffix,
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), nil
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} else if a.RequestMode == RequestModeClaude {
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if info.IsStream {
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suffix = "streamRawPredict?alt=sse"
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} else {
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suffix = "rawPredict"
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}
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if v, ok := claudeModelMap[info.UpstreamModelName]; ok {
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info.UpstreamModelName = v
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}
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return fmt.Sprintf(
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"https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/anthropic/models/%s:%s",
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info.ApiVersion,
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adc.ProjectID,
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info.ApiVersion,
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info.UpstreamModelName,
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suffix,
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), nil
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} else if a.RequestMode == RequestModeLlama {
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return fmt.Sprintf(
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"https://%s-aiplatform.googleapis.com/v1beta1/projects/%s/locations/%s/endpoints/openapi/chat/completions",
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info.ApiVersion,
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adc.ProjectID,
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info.ApiVersion,
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), nil
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}
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return "", errors.New("unsupported request mode")
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}
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func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, info *relaycommon.RelayInfo) error {
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channel.SetupApiRequestHeader(info, c, req)
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accessToken, err := getAccessToken(a, info)
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if err != nil {
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return err
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}
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req.Header.Set("Authorization", "Bearer "+accessToken)
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return nil
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}
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func (a *Adaptor) ConvertRequest(c *gin.Context, info *relaycommon.RelayInfo, request *dto.GeneralOpenAIRequest) (any, error) {
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if request == nil {
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return nil, errors.New("request is nil")
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}
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if a.RequestMode == RequestModeClaude {
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claudeReq, err := claude.RequestOpenAI2ClaudeMessage(*request)
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if err != nil {
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return nil, err
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}
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vertexClaudeReq := &VertexAIClaudeRequest{
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AnthropicVersion: anthropicVersion,
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}
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if err = copier.Copy(vertexClaudeReq, claudeReq); err != nil {
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return nil, errors.New("failed to copy claude request")
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}
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c.Set("request_model", request.Model)
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return vertexClaudeReq, nil
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} else if a.RequestMode == RequestModeGemini {
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geminiRequest := gemini.CovertGemini2OpenAI(*request)
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c.Set("request_model", request.Model)
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return geminiRequest, nil
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} else if a.RequestMode == RequestModeLlama {
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return request, nil
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}
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return nil, errors.New("unsupported request mode")
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}
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func (a *Adaptor) ConvertRerankRequest(c *gin.Context, relayMode int, request dto.RerankRequest) (any, error) {
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return nil, nil
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}
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func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, requestBody io.Reader) (*http.Response, error) {
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return channel.DoApiRequest(a, c, info, requestBody)
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}
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func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage *dto.Usage, err *dto.OpenAIErrorWithStatusCode) {
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if info.IsStream {
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switch a.RequestMode {
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case RequestModeClaude:
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err, usage = claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
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case RequestModeGemini:
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err, usage = gemini.GeminiChatStreamHandler(c, resp, info)
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case RequestModeLlama:
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err, usage = openai.OaiStreamHandler(c, resp, info)
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}
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} else {
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switch a.RequestMode {
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case RequestModeClaude:
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err, usage = claude.ClaudeHandler(c, resp, claude.RequestModeMessage, info)
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case RequestModeGemini:
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err, usage = gemini.GeminiChatHandler(c, resp)
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case RequestModeLlama:
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err, usage = openai.OpenaiHandler(c, resp, info.PromptTokens, info.OriginModelName)
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}
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}
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return
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}
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func (a *Adaptor) GetModelList() []string {
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return ModelList
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}
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func (a *Adaptor) GetChannelName() string {
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return ChannelName
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}
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15
relay/channel/vertex/constants.go
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15
relay/channel/vertex/constants.go
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@@ -0,0 +1,15 @@
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package vertex
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var ModelList = []string{
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"claude-3-sonnet-20240229",
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"claude-3-opus-20240229",
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"claude-3-haiku-20240307",
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"claude-3-5-sonnet-20240620",
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//"gemini-1.5-pro-latest", "gemini-1.5-flash-latest",
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"gemini-1.5-pro-001", "gemini-1.5-flash-001", "gemini-pro", "gemini-pro-vision",
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"meta/llama3-405b-instruct-maas",
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}
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var ChannelName = "vertex-ai"
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17
relay/channel/vertex/dto.go
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17
relay/channel/vertex/dto.go
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@@ -0,0 +1,17 @@
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package vertex
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import "one-api/relay/channel/claude"
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type VertexAIClaudeRequest struct {
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AnthropicVersion string `json:"anthropic_version"`
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Messages []claude.ClaudeMessage `json:"messages"`
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System string `json:"system,omitempty"`
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MaxTokens int `json:"max_tokens,omitempty"`
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StopSequences []string `json:"stop_sequences,omitempty"`
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Stream bool `json:"stream,omitempty"`
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Temperature float64 `json:"temperature,omitempty"`
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TopP float64 `json:"top_p,omitempty"`
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TopK int `json:"top_k,omitempty"`
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Tools []claude.Tool `json:"tools,omitempty"`
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ToolChoice any `json:"tool_choice,omitempty"`
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}
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122
relay/channel/vertex/service_account.go
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122
relay/channel/vertex/service_account.go
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@@ -0,0 +1,122 @@
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package vertex
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import (
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"crypto/rsa"
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"crypto/x509"
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"encoding/json"
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"encoding/pem"
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"errors"
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"github.com/bytedance/gopkg/cache/asynccache"
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"github.com/golang-jwt/jwt"
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"net/http"
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"net/url"
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relaycommon "one-api/relay/common"
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"strings"
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"fmt"
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"time"
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)
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type Credentials struct {
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ProjectID string `json:"project_id"`
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PrivateKeyID string `json:"private_key_id"`
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PrivateKey string `json:"private_key"`
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ClientEmail string `json:"client_email"`
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ClientID string `json:"client_id"`
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}
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var Cache = asynccache.NewAsyncCache(asynccache.Options{
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RefreshDuration: time.Minute * 35,
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EnableExpire: true,
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ExpireDuration: time.Minute * 30,
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Fetcher: func(key string) (interface{}, error) {
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return nil, errors.New("not found")
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},
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})
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func getAccessToken(a *Adaptor, info *relaycommon.RelayInfo) (string, error) {
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cacheKey := fmt.Sprintf("access-token-%d", info.ChannelId)
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val, err := Cache.Get(cacheKey)
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if err == nil {
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return val.(string), nil
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}
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signedJWT, err := createSignedJWT(a.AccountCredentials.ClientEmail, a.AccountCredentials.PrivateKey)
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if err != nil {
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return "", fmt.Errorf("failed to create signed JWT: %w", err)
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}
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newToken, err := exchangeJwtForAccessToken(signedJWT)
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if err != nil {
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return "", fmt.Errorf("failed to exchange JWT for access token: %w", err)
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}
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if err := Cache.SetDefault(cacheKey, newToken); err {
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return newToken, nil
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}
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return newToken, nil
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}
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func createSignedJWT(email, privateKeyPEM string) (string, error) {
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privateKeyPEM = strings.ReplaceAll(privateKeyPEM, "-----BEGIN PRIVATE KEY-----", "")
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privateKeyPEM = strings.ReplaceAll(privateKeyPEM, "-----END PRIVATE KEY-----", "")
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privateKeyPEM = strings.ReplaceAll(privateKeyPEM, "\r", "")
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privateKeyPEM = strings.ReplaceAll(privateKeyPEM, "\n", "")
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privateKeyPEM = strings.ReplaceAll(privateKeyPEM, "\\n", "")
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block, _ := pem.Decode([]byte("-----BEGIN PRIVATE KEY-----\n" + privateKeyPEM + "\n-----END PRIVATE KEY-----"))
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if block == nil {
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return "", fmt.Errorf("failed to parse PEM block containing the private key")
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}
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privateKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
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if err != nil {
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return "", err
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}
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rsaPrivateKey, ok := privateKey.(*rsa.PrivateKey)
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if !ok {
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return "", fmt.Errorf("not an RSA private key")
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}
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now := time.Now()
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claims := jwt.MapClaims{
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"iss": email,
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"scope": "https://www.googleapis.com/auth/cloud-platform",
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"aud": "https://www.googleapis.com/oauth2/v4/token",
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"exp": now.Add(time.Minute * 30).Unix(),
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"iat": now.Unix(),
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}
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token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
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signedToken, err := token.SignedString(rsaPrivateKey)
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if err != nil {
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return "", err
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}
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return signedToken, nil
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}
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func exchangeJwtForAccessToken(signedJWT string) (string, error) {
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authURL := "https://www.googleapis.com/oauth2/v4/token"
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data := url.Values{}
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data.Set("grant_type", "urn:ietf:params:oauth:grant-type:jwt-bearer")
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data.Set("assertion", signedJWT)
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resp, err := http.PostForm(authURL, data)
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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var result map[string]interface{}
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if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
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return "", err
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}
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if accessToken, ok := result["access_token"].(string); ok {
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return accessToken, nil
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}
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return "", fmt.Errorf("failed to get access token: %v", result)
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}
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