2 Commits
Author SHA1 Message Date
sun ac614be190 Merge pull request 'test' (#1) from test into main
Go CI/CD Deploy to Baota / build-and-deploy (push) Has been cancelled
Reviewed-on: #1
2026-05-18 23:29:21 +08:00
sun 880c199ce4 Reapply "ci: 添加Gitea工作流用于Go项目部署到宝塔"
Go CI/CD Deploy to Baota / build-and-deploy (push) Failing after 5m10s
This reverts commit 25e09cd54f.
2026-05-11 17:58:28 +08:00
22 changed files with 827 additions and 1636 deletions
-9
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@@ -1,9 +0,0 @@
*.exe
*.md
.env
.env.example
.git
.gitignore
tts_api_architecture.html
代码审查报告.md
fix_list.md
+12 -4
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@@ -9,9 +9,19 @@
BYTEDANCE_TTS_API_KEY=your_api_key_here
# 资源信息ID(决定使用1.0还是2.0模型)
# 语音合成模型:
# - seed-tts-1.0: 豆包语音合成模型1.0字符版
# - seed-tts-1.0-concurr: 豆包语音合成模型1.0并发版
# - seed-tts-2.0: 豆包语音合成模型2.0字符版
# 声音复刻模型:
# - seed-icl-1.0: 声音复刻1.0字符版
# - seed-icl-1.0-concurr: 声音复刻1.0并发版
# - seed-icl-2.0: 声音复刻2.0字符版
BYTEDANCE_TTS_RESOURCE_ID=seed-tts-1.0
# 发音人(音色)ID
# 发音人(音色)ID,具体参考火山引擎音色列表
# 注意:1.0音色只能搭配 seed-tts-1.0 Resource ID
# 2.0音色只能搭配 seed-tts-2.0 Resource ID
BYTEDANCE_TTS_SPEAKER=your_speaker_id_here
# ==========================================
@@ -22,10 +32,8 @@ BYTEDANCE_TTS_SPEAKER=your_speaker_id_here
BYTEDANCE_TTS_TIMEOUT=30s
# OpenAI兼容接口的API密钥(可选)
# 配置后,客户端请求需要携带 Authorization: Bearer <OPENAI_TTS_API_KEY>
OPENAI_TTS_API_KEY=your_openai_compatible_key_here
# CORS 跨域白名单(逗号分隔,开发环境可设 *)
# ALLOWED_ORIGINS=https://example.com,https://app.example.com
# 服务监听端口,默认8080
PORT=8080
+36
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@@ -0,0 +1,36 @@
name: Go CI/CD Deploy to Baota
on:
push:
branches: [ main, master ]
jobs:
build-and-deploy:
runs-on: ubuntu-latest
steps:
- name: 拉取代码
uses: actions/checkout@v4
- name: 安装 Go 环境
uses: actions/setup-go@v5
with:
go-version: 1.22
- name: 编译 Go 项目
run: |
# 静态编译,无依赖,适合 Linux 部署
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o app main.go
- name: 部署到宝塔项目目录并重启服务
run: |
# 1. 停止旧进程
pkill -f Volcano-Engine-TTS-UI || true
# 2. 复制新程序到项目目录
cp ./app /www/wwwroot/Volcano-Engine-TTS-UI/
# 3. 赋予执行权限
chmod +x /www/wwwroot/Volcano-Engine-TTS-UI/app
# 4. 启动新进程(后台运行)
nohup /www/wwwroot/Volcano-Engine-TTS-UI/app > /www/wwwroot/Volcano-Engine-TTS-UI/app.log 2>&1 &
-31
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@@ -1,31 +0,0 @@
FROM golang:1.23-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o tts-api .
FROM alpine:3.21
RUN apk --no-cache add ca-certificates tzdata \
&& addgroup -S appgroup && adduser -S appuser -G appgroup
WORKDIR /app
COPY --from=builder /app/tts-api .
COPY --from=builder /app/health.html .
RUN chown -R appuser:appgroup /app
USER appuser
EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
CMD wget -qO- http://localhost:8080/health || exit 1
ENTRYPOINT ["./tts-api"]
-167
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@@ -1,167 +0,0 @@
package volcano
import (
"bufio"
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"time"
"github.com/google/uuid"
"github.com/volcano-tts/tts-api/common"
"github.com/volcano-tts/tts-api/dto"
)
type HTTPClient struct {
client *http.Client
}
func NewHTTPClient() *HTTPClient {
return &HTTPClient{
client: &http.Client{
Timeout: common.DefaultTimeout,
Transport: &http.Transport{
MaxIdleConns: 100,
MaxIdleConnsPerHost: 20,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
},
},
}
}
func (h *HTTPClient) PostStream(url string, headers map[string]string, body []byte, timeout time.Duration) (*http.Response, error) {
req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(body))
if err != nil {
return nil, err
}
for key, value := range headers {
req.Header.Set(key, value)
}
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
req = req.WithContext(ctx)
return h.client.Do(req)
}
func convertSpeedToSpeechRate(speed float64) int {
if speed <= 0.5 {
return -50
}
if speed >= 2.0 {
return 100
}
return int((speed - 1.0) * 100)
}
func Synthesis(config *dto.ByteDanceTTSConfig, httpClient *HTTPClient, text string, speed float64) (*dto.SynthesisResult, error) {
reqID := uuid.NewString()
speechRate := convertSpeedToSpeechRate(speed)
params := map[string]interface{}{
"user": map[string]interface{}{
"uid": "uid",
},
"namespace": "BidirectionalTTS",
"req_params": map[string]interface{}{
"text": text,
"speaker": config.Speaker,
"audio_params": map[string]interface{}{
"format": "wav",
"sample_rate": 24000,
"speech_rate": speechRate,
},
},
}
headers := map[string]string{
"Content-Type": "application/json",
"Connection": "keep-alive",
"X-Api-Resource-Id": config.ResourceId,
"X-Api-Request-Id": reqID,
"X-Api-Key": config.ApiKey,
}
bodyStr, err := json.Marshal(params)
if err != nil {
log.Printf("JSON marshal fail: %v", err)
return nil, err
}
resp, err := httpClient.PostStream(config.URL, headers, bodyStr, config.Timeout)
if err != nil {
log.Printf("http post fail: %v", err)
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, err := io.ReadAll(resp.Body)
if err != nil {
log.Printf("Failed to read error response body: %v", err)
} else {
log.Printf("TTS service error: status=%d, body=%s", resp.StatusCode, string(body))
}
return nil, fmt.Errorf("TTS service error: status %d", resp.StatusCode)
}
var audioData []byte
scanner := bufio.NewScanner(resp.Body)
scanner.Buffer(make([]byte, 1024*1024), 8*1024*1024)
for scanner.Scan() {
line := scanner.Bytes()
if len(line) == 0 {
continue
}
var v3Resp dto.V3TTSResponse
if err := json.Unmarshal(line, &v3Resp); err != nil {
log.Printf("unmarshal chunk fail: %v, line: %s", err, string(line))
continue
}
if v3Resp.Code == 20000000 {
if v3Resp.Usage != nil {
log.Printf("TTS synthesis completed, usage: %+v", v3Resp.Usage)
}
for scanner.Scan() {
}
break
}
if v3Resp.Code != 0 {
log.Printf("TTS service error: code=%d, message=%s", v3Resp.Code, v3Resp.Message)
return nil, fmt.Errorf("TTS service error: %s", v3Resp.Message)
}
if v3Resp.Data != "" {
chunk, err := base64.StdEncoding.DecodeString(v3Resp.Data)
if err != nil {
log.Printf("base64 decode fail: %v", err)
return nil, err
}
audioData = append(audioData, chunk...)
} else if v3Resp.Sentence != "" {
log.Printf("Received sentence info (sequence %d): %s", v3Resp.Sequence, v3Resp.Sentence)
}
}
if err := scanner.Err(); err != nil {
log.Printf("read stream fail: %v", err)
return nil, err
}
if len(audioData) == 0 {
return nil, fmt.Errorf("no audio data received")
}
return &dto.SynthesisResult{AudioData: audioData, ReqID: reqID}, nil
}
-21
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@@ -1,21 +0,0 @@
package common
import "time"
const (
DefaultPort = "8080"
DefaultTimeout = 30 * time.Second
MaxTextLength = 5000
MinSpeed = 0.25
MaxSpeed = 4.0
DefaultSpeed = 1.0
MaxRequestBodySize = 1024 * 1024
RateLimitRequests = 100
RateLimitWindow = time.Minute
MaxResponseTimes = 100
MaxErrors = 10
MaxConcurrentRequests = 10
CleanupInterval = time.Hour
MaxModelNameLength = 64
MaxRateLimiterEntries = 100000
)
-185
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@@ -1,185 +0,0 @@
package controller
import (
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"strings"
"time"
"github.com/volcano-tts/tts-api/adapter/volcano"
"github.com/volcano-tts/tts-api/common"
"github.com/volcano-tts/tts-api/dto"
"github.com/volcano-tts/tts-api/middleware"
"github.com/volcano-tts/tts-api/service"
"github.com/volcano-tts/tts-api/setting"
)
var volcanoClient *volcano.HTTPClient
func InitController() {
volcanoClient = volcano.NewHTTPClient()
}
func OpenaiTTSHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
if !middleware.ValidateAPIKey(r) {
middleware.SendJSONError(w, http.StatusUnauthorized, "Invalid API key provided.", "invalid_request_error", "invalid_api_key")
return
}
if setting.TTSConfigErr != nil {
middleware.SendJSONError(w, http.StatusServiceUnavailable, "TTS service configuration error. Please check environment variables and restart the service.", "configuration_error", "service_unavailable")
return
}
select {
case middleware.ConcurrencySem <- struct{}{}:
defer func() { <-middleware.ConcurrencySem }()
default:
log.Printf("警告: 已达到最大并发请求数限制,拒绝请求 - 客户端IP: %s", middleware.GetClientIP(r))
middleware.SendJSONError(w, http.StatusServiceUnavailable, "Server is busy, maximum concurrent requests reached. Please try again later.", "concurrency_limit_error", "max_concurrent_requests")
return
}
clientIP := middleware.GetClientIP(r)
if !middleware.GlobalRateLimiter.Allow(clientIP) {
log.Printf("警告: 已超过IP速率限制,拒绝请求 - 客户端IP: %s", clientIP)
middleware.SendJSONError(w, http.StatusTooManyRequests, "Rate limit exceeded. Please try again later.", "rate_limit_error", "rate_limit_exceeded")
return
}
r.Body = http.MaxBytesReader(w, r.Body, common.MaxRequestBodySize)
body, err := io.ReadAll(r.Body)
if err != nil {
if strings.Contains(err.Error(), "request body too large") {
return
}
http.Error(w, "Failed to read request body", http.StatusBadRequest)
return
}
var req dto.OpenAITTSRequest
if err := json.Unmarshal(body, &req); err != nil {
http.Error(w, "Invalid JSON", http.StatusBadRequest)
return
}
if req.Model != "" {
if len(req.Model) > common.MaxModelNameLength {
http.Error(w, fmt.Sprintf("Model name too long (max %d characters)", common.MaxModelNameLength), http.StatusBadRequest)
return
}
if strings.ContainsAny(req.Model, "\x00\n\r\t") {
http.Error(w, "Model name contains invalid characters", http.StatusBadRequest)
return
}
}
if req.Input == "" {
http.Error(w, "Input text is required", http.StatusBadRequest)
return
}
if len(req.Input) > common.MaxTextLength {
http.Error(w, fmt.Sprintf("Input text too long (max %d characters)", common.MaxTextLength), http.StatusBadRequest)
return
}
speed := req.Speed
if speed <= 0 {
speed = common.DefaultSpeed
}
if speed < common.MinSpeed {
speed = common.MinSpeed
}
if speed > common.MaxSpeed {
speed = common.MaxSpeed
}
ttsStart := time.Now()
result, err := volcano.Synthesis(&setting.TTSConfig, volcanoClient, req.Input, speed)
duration := time.Since(ttsStart)
if err != nil {
service.GlobalStats.AddRequest(false, duration, err.Error())
http.Error(w, "TTS synthesis failed", http.StatusInternalServerError)
return
}
service.GlobalStats.AddRequest(true, duration, "")
w.Header().Set("Content-Type", "audio/wav")
w.Header().Set("Content-Length", fmt.Sprintf("%d", len(result.AudioData)))
w.Header().Set("X-Request-Id", result.ReqID)
w.WriteHeader(http.StatusOK)
w.Write(result.AudioData)
}
func HealthHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
if setting.TTSConfigErr != nil {
w.WriteHeader(http.StatusServiceUnavailable)
} else {
w.WriteHeader(http.StatusOK)
}
totalRequests, successfulRequests, failedRequests, totalResponseTime, recentResponseTimes, lastErrors := service.GlobalStats.GetSnapshot()
var errorRate float64
if totalRequests > 0 {
errorRate = float64(failedRequests) / float64(totalRequests) * 100
}
var avgResponseTime float64
if totalRequests > 0 {
avgResponseTime = totalResponseTime.Seconds() * 1000 / float64(totalRequests)
}
envCheckStatus := setting.CheckEnvironmentVariables()
allEnvVarsSet := envCheckStatus["all_required_vars_set"].(bool)
status := "ok"
if !allEnvVarsSet {
status = "configuration_error"
}
response := dto.HealthResponse{
Status: status,
Service: "ByteDance TTS to OpenAI API Adapter",
Version: "2.0.0 (v3 API)",
Uptime: fmt.Sprintf("%.0f seconds", time.Since(startTime).Seconds()),
StartTime: startTime.Format(time.RFC3339),
Memory: service.GetMemoryInfo(),
APIStats: dto.APIStatsResponse{
TotalRequests: int(totalRequests),
SuccessfulRequests: successfulRequests,
FailedRequests: failedRequests,
ErrorRatePercent: fmt.Sprintf("%.2f", errorRate),
AvgResponseTimeMs: fmt.Sprintf("%.2f", avgResponseTime),
RecentResponseTimesMs: recentResponseTimes,
},
Errors: dto.ErrorResponse{
RecentErrorsCount: len(lastErrors),
},
ConfigStatus: dto.ConfigStatusResponse{
AllRequiredVarsSet: allEnvVarsSet,
ConfigError: setting.TTSConfigErr != nil,
},
}
json.NewEncoder(w).Encode(response)
}
var startTime time.Time
func SetStartTime(t time.Time) {
startTime = t
}
-21
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@@ -1,21 +0,0 @@
services:
tts-api:
build: .
container_name: tts-api
ports:
- "${PORT:-8080}:8080"
environment:
- BYTEDANCE_TTS_API_KEY=${BYTEDANCE_TTS_API_KEY}
- BYTEDANCE_TTS_RESOURCE_ID=${BYTEDANCE_TTS_RESOURCE_ID}
- BYTEDANCE_TTS_SPEAKER=${BYTEDANCE_TTS_SPEAKER}
- BYTEDANCE_TTS_TIMEOUT=${BYTEDANCE_TTS_TIMEOUT:-30s}
- OPENAI_TTS_API_KEY=${OPENAI_TTS_API_KEY:-}
- ALLOWED_ORIGINS=${ALLOWED_ORIGINS:-}
- PORT=8080
restart: unless-stopped
healthcheck:
test: ["CMD", "wget", "-qO-", "http://localhost:8080/health"]
interval: 30s
timeout: 5s
retries: 3
start_period: 5s
-31
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@@ -1,31 +0,0 @@
package dto
type HealthResponse struct {
Status string `json:"status"`
Service string `json:"service"`
Version string `json:"version"`
Uptime string `json:"uptime"`
StartTime string `json:"start_time"`
Memory map[string]interface{} `json:"memory"`
APIStats APIStatsResponse `json:"api_stats"`
Errors ErrorResponse `json:"errors"`
ConfigStatus ConfigStatusResponse `json:"config_status"`
}
type APIStatsResponse struct {
TotalRequests int `json:"total_requests"`
SuccessfulRequests int64 `json:"successful_requests"`
FailedRequests int64 `json:"failed_requests"`
ErrorRatePercent string `json:"error_rate_percent"`
AvgResponseTimeMs string `json:"avg_response_time_ms"`
RecentResponseTimesMs []float64 `json:"recent_response_times_ms"`
}
type ErrorResponse struct {
RecentErrorsCount int `json:"recent_errors_count"`
}
type ConfigStatusResponse struct {
AllRequiredVarsSet bool `json:"all_required_vars_set"`
ConfigError bool `json:"config_error"`
}
-40
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@@ -1,40 +0,0 @@
package dto
import "time"
type OpenAITTSRequest struct {
Model string `json:"model"`
Input string `json:"input"`
Voice string `json:"voice"`
ResponseFormat string `json:"response_format,omitempty"`
Speed float64 `json:"speed,omitempty"`
}
type V3TTSResponse struct {
ReqID string `json:"reqid"`
Code int `json:"code"`
Message string `json:"message"`
Event string `json:"event"`
Sequence int `json:"sequence"`
Data string `json:"data"`
Sentence string `json:"sentence,omitempty"`
IsFinal bool `json:"is_final"`
Usage *V3Usage `json:"usage,omitempty"`
}
type V3Usage struct {
TextWords int `json:"text_words"`
}
type ByteDanceTTSConfig struct {
ApiKey string
ResourceId string
Speaker string
URL string
Timeout time.Duration
}
type SynthesisResult struct {
AudioData []byte
ReqID string
}
+1 -1
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@@ -1,4 +1,4 @@
module github.com/volcano-tts/tts-api
module bytedance-tts-openai-adapter
go 1.19
-492
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@@ -1,492 +0,0 @@
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>TTS 服务监控</title>
<script src="https://unpkg.com/vue@3/dist/vue.global.prod.js"></script>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
min-height: 100vh;
color: #e0e0e0;
padding: 20px;
}
#app {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 30px;
}
.header h1 {
font-size: 2em;
background: linear-gradient(90deg, #00d4ff, #7b2ff7);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
margin-bottom: 10px;
}
.header .version {
color: #888;
font-size: 0.9em;
}
.refresh-btn {
background: linear-gradient(90deg, #00d4ff, #7b2ff7);
border: none;
color: white;
padding: 10px 24px;
border-radius: 8px;
cursor: pointer;
font-size: 14px;
margin-top: 15px;
transition: opacity 0.3s;
}
.refresh-btn:hover {
opacity: 0.9;
}
.refresh-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 20px;
margin-bottom: 20px;
transition: all 0.3s ease;
}
.card {
background: rgba(255, 255, 255, 0.05);
border-radius: 16px;
padding: 24px;
backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.1);
transition: all 0.3s ease;
}
.card-title {
font-size: 14px;
color: #888;
text-transform: uppercase;
letter-spacing: 1px;
margin-bottom: 16px;
display: flex;
align-items: center;
gap: 8px;
}
.card-title .dot {
width: 8px;
height: 8px;
border-radius: 50%;
background: #00d4ff;
}
.card-title .dot.error {
background: #ff4757;
}
.card-title .dot.warning {
background: #ffa502;
}
.stat-value {
font-size: 2.5em;
font-weight: bold;
background: linear-gradient(90deg, #00d4ff, #7b2ff7);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
transition: all 0.3s ease;
}
.stat-label {
color: #888;
font-size: 14px;
margin-top: 5px;
}
.info-row {
display: flex;
justify-content: space-between;
padding: 12px 0;
border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.info-row:last-child {
border-bottom: none;
}
.info-label {
color: #888;
}
.info-value {
color: #fff;
font-family: 'Monaco', 'Menlo', monospace;
}
.info-value.success {
color: #2ed573;
}
.info-value.error {
color: #ff4757;
}
.info-value.warning {
color: #ffa502;
}
.chart-container {
height: 120px;
display: flex;
align-items: flex-end;
gap: 2px;
padding: 10px 0;
}
.bar {
flex: 1;
background: linear-gradient(180deg, #7b2ff7, #00d4ff);
border-radius: 4px 4px 0 0;
min-height: 2px;
transition: height 0.3s ease;
}
.error-list {
max-height: 200px;
overflow-y: auto;
}
.error-item {
background: rgba(255, 71, 87, 0.1);
border-left: 3px solid #ff4757;
padding: 10px 12px;
margin-bottom: 8px;
border-radius: 0 8px 8px 0;
font-size: 13px;
word-break: break-all;
}
.error-time {
color: #888;
font-size: 12px;
margin-bottom: 4px;
}
.loading {
text-align: center;
padding: 40px;
color: #888;
}
.error-box {
background: rgba(255, 71, 87, 0.1);
border: 1px solid rgba(255, 71, 87, 0.3);
border-radius: 12px;
padding: 20px;
color: #ff4757;
text-align: center;
transition: all 0.3s ease;
animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(-10px); }
to { opacity: 1; transform: translateY(0); }
}
.uptime {
font-size: 1.5em;
font-weight: bold;
color: #2ed573;
}
.progress-ring {
width: 100px;
height: 100px;
margin: 0 auto;
}
.progress-ring circle {
fill: none;
stroke-width: 8;
}
.progress-ring .bg {
stroke: rgba(255, 255, 255, 0.1);
}
.progress-ring .progress {
stroke: url(#gradient);
stroke-linecap: round;
transform: rotate(-90deg);
transform-origin: center;
transition: stroke-dashoffset 0.5s ease;
}
.progress-text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
text-align: center;
}
.memory-stat {
display: flex;
justify-content: space-around;
text-align: center;
}
.memory-stat .value {
font-size: 1.2em;
font-weight: bold;
color: #00d4ff;
}
.memory-stat .label {
font-size: 12px;
color: #888;
margin-top: 4px;
}
.no-errors {
text-align: center;
color: #2ed573;
padding: 20px;
}
::-webkit-scrollbar {
width: 6px;
}
::-webkit-scrollbar-track {
background: rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb {
background: rgba(255, 255, 255, 0.2);
border-radius: 3px;
}
</style>
</head>
<body>
<div id="app">
<div class="header">
<h1>TTS 服务监控</h1>
<div class="version">{{ healthData.service || 'Loading...' }} - {{ healthData.version || '' }}</div>
<button class="refresh-btn" @click="fetchHealth(true)" :disabled="loading">
{{ loading ? '刷新中...' : '刷新数据' }}
</button>
</div>
<div v-if="error" class="error-box">
{{ error }}
</div>
<div v-if="healthData.status">
<div class="grid">
<div class="card">
<div class="card-title">
<span class="dot" :class="{ error: healthData.status !== 'ok' }"></span>
服务状态
</div>
<div class="stat-value">{{ healthData.status === 'ok' ? '正常运行' : '配置错误' }}</div>
<div class="stat-label">运行时长: {{ formatUptime(healthData.uptime) }}</div>
</div>
<div class="card">
<div class="card-title">
<span class="dot"></span>
请求统计
</div>
<div style="display: flex; gap: 30px;">
<div>
<div class="stat-value">{{ healthData.api_stats?.total_requests || 0 }}</div>
<div class="stat-label">总请求数</div>
</div>
<div>
<div class="stat-value" style="color: #2ed573">{{ healthData.api_stats?.successful_requests || 0 }}</div>
<div class="stat-label">成功</div>
</div>
<div>
<div class="stat-value" style="color: #ff4757">{{ healthData.api_stats?.failed_requests || 0 }}</div>
<div class="stat-label">失败</div>
</div>
</div>
</div>
<div class="card">
<div class="card-title">
<span class="dot" :class="{ warning: errorRate > 10 }"></span>
错误率
</div>
<div class="stat-value" :style="{ color: errorRate > 10 ? '#ff4757' : '#2ed573' }">
{{ healthData.api_stats?.error_rate_percent || '0' }}%
</div>
<div class="stat-label">平均响应: {{ healthData.api_stats?.avg_response_time_ms || '0' }} ms</div>
</div>
</div>
<div class="grid">
<div class="card">
<div class="card-title">
<span class="dot"></span>
配置状态
</div>
<div class="info-row">
<span class="info-label">环境变量</span>
<span class="info-value" :class="healthData.config_status?.all_required_vars_set ? 'success' : 'error'">
{{ healthData.config_status?.all_required_vars_set ? '已配置' : '未配置' }}
</span>
</div>
<div class="info-row">
<span class="info-label">配置状态</span>
<span class="info-value" :class="healthData.config_status?.config_error ? 'error' : 'success'">
{{ healthData.config_status?.config_error ? '异常' : '正常' }}
</span>
</div>
<div class="info-row">
<span class="info-label">启动时间</span>
<span class="info-value">{{ healthData.start_time || '-' }}</span>
</div>
</div>
<div class="card">
<div class="card-title">
<span class="dot"></span>
内存使用
</div>
<div class="memory-stat">
<div>
<div class="value">{{ formatBytes(healthData.memory?.heap_alloc) }}</div>
<div class="label">Heap Alloc</div>
</div>
<div>
<div class="value">{{ formatBytes(healthData.memory?.heap_inuse) }}</div>
<div class="label">Heap Inuse</div>
</div>
<div>
<div class="value">{{ healthData.memory?.goroutines || 0 }}</div>
<div class="label">Goroutines</div>
</div>
</div>
</div>
<div class="card">
<div class="card-title">
<span class="dot"></span>
响应时间趋势
</div>
<div class="chart-container">
<div v-for="(time, index) in chartData" :key="index" class="bar"
:style="{ height: Math.max(2, (time / maxResponseTime) * 100) + '%' }"
:title="time.toFixed(1) + 'ms'">
</div>
</div>
</div>
</div>
<div class="card">
<div class="card-title">
<span class="dot" :class="{ error: recentErrorsCount > 0 }"></span>
错误记录 ({{ recentErrorsCount }})
</div>
<div v-if="recentErrorsCount === 0" class="no-errors">
暂无错误记录
</div>
<div v-else class="error-list">
<div class="error-item">
<div class="error-time">检测到 {{ recentErrorsCount }} 条最近错误,详细信息请查看服务器日志</div>
</div>
</div>
</div>
</div>
<div v-if="loading && !healthData.status" class="loading">
加载中...
</div>
</div>
<script>
const { createApp, ref, computed, onMounted } = Vue;
createApp({
setup() {
const healthData = ref({});
const loading = ref(false);
const error = ref(null);
const isAutoRefresh = ref(false);
const deepUpdate = (target, source) => {
for (const key of Object.keys(source)) {
if (source[key] && typeof source[key] === 'object' && !Array.isArray(source[key])) {
if (!target[key]) target[key] = {};
deepUpdate(target[key], source[key]);
} else {
target[key] = source[key];
}
}
};
const fetchHealth = async (showLoading = false) => {
if (showLoading) {
loading.value = true;
}
const oldError = error.value;
try {
const response = await axios.get('/health');
deepUpdate(healthData.value, response.data);
if (response.data.config_status?.all_required_vars_set !== false) {
error.value = null;
}
} catch (e) {
if (e.response && e.response.data) {
deepUpdate(healthData.value, e.response.data);
if (e.response.status === 503) {
error.value = '服务配置异常,请检查环境变量配置';
} else {
error.value = '服务异常: ' + (e.message || '未知错误');
}
} else {
error.value = '无法获取服务状态: ' + (e.message || '未知错误');
}
} finally {
loading.value = false;
}
};
const errorRate = computed(() => {
return parseFloat(healthData.value.api_stats?.error_rate_percent || 0);
});
const recentErrorsCount = computed(() => {
return healthData.value.errors?.recent_errors_count || 0;
});
const chartData = computed(() => {
return healthData.value.api_stats?.recent_response_times_ms || [];
});
const maxResponseTime = computed(() => {
const times = chartData.value;
if (times.length === 0) return 100;
return Math.max(...times, 100);
});
const formatBytes = (bytes) => {
if (!bytes) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return (bytes / Math.pow(k, i)).toFixed(1) + ' ' + sizes[i];
};
const formatUptime = (seconds) => {
if (!seconds) return '-';
const s = parseInt(seconds);
const d = Math.floor(s / 86400);
const h = Math.floor((s % 86400) / 3600);
const m = Math.floor((s % 3600) / 60);
if (d > 0) return `${d}天 ${h}小时`;
if (h > 0) return `${h}小时 ${m}分钟`;
return `${m}分钟`;
};
onMounted(() => {
fetchHealth(true);
setInterval(() => fetchHealth(false), 10000);
});
return {
healthData,
loading,
error,
fetchHealth,
errorRate,
recentErrorsCount,
chartData,
maxResponseTime,
formatBytes,
formatUptime
};
}
}).mount('#app');
</script>
</body>
</html>
-82
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@@ -1,82 +0,0 @@
package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/volcano-tts/tts-api/common"
"github.com/volcano-tts/tts-api/controller"
"github.com/volcano-tts/tts-api/middleware"
"github.com/volcano-tts/tts-api/router"
"github.com/volcano-tts/tts-api/service"
"github.com/volcano-tts/tts-api/setting"
)
func main() {
log.SetFlags(log.LstdFlags | log.Lshortfile)
log.SetPrefix("[TTS-Server] ")
middleware.InitAPIKeys()
middleware.InitCORSConfig()
middleware.InitRateLimiter()
setting.CheckStaticFiles()
service.InitStats()
controller.InitController()
setting.TTSConfigErr = setting.InitTTSConfig()
if setting.TTSConfigErr != nil {
log.Printf("警告: 配置初始化失败: %v", setting.TTSConfigErr)
log.Printf("服务将继续运行,但TTS功能不可用,请检查环境变量配置")
} else {
log.Printf("配置初始化成功")
}
controller.SetStartTime(time.Now())
r := router.Setup()
port := os.Getenv("PORT")
if port == "" {
port = common.DefaultPort
}
server := &http.Server{
Addr: ":" + port,
Handler: r,
ReadTimeout: 30 * time.Second,
WriteTimeout: 120 * time.Second,
IdleTimeout: 60 * time.Second,
}
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
go func() {
log.Printf("Starting ByteDance TTS to OpenAI API Adapter Server")
log.Printf("Listening on port: %s", port)
log.Printf("OpenAI TTS endpoint: http://localhost:%s/v1/audio/speech", port)
log.Printf("Health check: http://localhost:%s/health", port)
log.Printf("Using ByteDance v3 API")
if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("Server failed to start: %v", err)
}
}()
<-quit
log.Println("Shutting down server...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := server.Shutdown(ctx); err != nil {
log.Printf("Server forced to shutdown: %v", err)
} else {
log.Println("Server exited gracefully")
}
}
-60
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@@ -1,60 +0,0 @@
package middleware
import (
"crypto/subtle"
"encoding/json"
"log"
"net/http"
"os"
"strings"
)
var validAPIKeys []string
func InitAPIKeys() {
apiKey := os.Getenv("OPENAI_TTS_API_KEY")
if apiKey != "" {
validAPIKeys = strings.Split(apiKey, ",")
for i, k := range validAPIKeys {
validAPIKeys[i] = strings.TrimSpace(k)
}
log.Printf("已配置 %d 个有效的API密钥", len(validAPIKeys))
} else {
log.Println("警告: OPENAI_TTS_API_KEY 环境变量未设置,将允许所有请求")
}
}
func ValidateAPIKey(r *http.Request) bool {
if len(validAPIKeys) == 0 {
return true
}
authHeader := r.Header.Get("Authorization")
if authHeader == "" {
return false
}
if !strings.HasPrefix(authHeader, "Bearer ") {
return false
}
token := strings.TrimPrefix(authHeader, "Bearer ")
for _, validKey := range validAPIKeys {
if subtle.ConstantTimeCompare([]byte(token), []byte(validKey)) == 1 {
return true
}
}
return false
}
func SendJSONError(w http.ResponseWriter, statusCode int, message string, errType string, code string) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
json.NewEncoder(w).Encode(map[string]interface{}{
"error": map[string]interface{}{
"message": message,
"type": errType,
"code": code,
},
})
}
-112
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@@ -1,112 +0,0 @@
package middleware
import (
"log"
"net/http"
"os"
"strings"
)
var (
allowedOrigins []string
allowAllOrigins bool
corsMaxAgeHeader = "86400"
)
func normalizeOrigin(origin string) string {
origin = strings.TrimSpace(origin)
origin = strings.TrimRight(origin, "/")
return strings.ToLower(origin)
}
func InitCORSConfig() {
origins := os.Getenv("ALLOWED_ORIGINS")
if origins == "" {
log.Println("警告: ALLOWED_ORIGINS 环境变量未设置")
log.Println("出于安全考虑,跨域请求将被拒绝。如需开放跨域请配置 ALLOWED_ORIGINS")
log.Println("开发环境可设置 ALLOWED_ORIGINS=* 允许所有来源(不可与凭据共用)")
return
}
parts := strings.Split(origins, ",")
for _, p := range parts {
o := strings.TrimSpace(p)
if o == "" {
continue
}
if o == "*" {
allowAllOrigins = true
continue
}
allowedOrigins = append(allowedOrigins, normalizeOrigin(o))
}
if allowAllOrigins {
log.Println("警告: ALLOWED_ORIGINS=*,将允许所有来源跨域请求(不携带凭据)")
}
if len(allowedOrigins) > 0 {
log.Printf("已配置 %d 个允许的跨域来源白名单", len(allowedOrigins))
}
}
func isValidOrigin(origin string) bool {
if origin == "" || origin == "null" || origin == "nil" {
return false
}
if !strings.HasPrefix(origin, "http://") && !strings.HasPrefix(origin, "https://") {
return false
}
return true
}
func matchOrigin(origin string) (string, bool) {
if !isValidOrigin(origin) {
return "", false
}
if allowAllOrigins {
return "*", true
}
normalized := normalizeOrigin(origin)
for _, allowed := range allowedOrigins {
if allowed == normalized {
return origin, true
}
}
return "", false
}
func CORS(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
origin := r.Header.Get("Origin")
if origin != "" {
allowOrigin, matched := matchOrigin(origin)
if matched {
w.Header().Set("Access-Control-Allow-Origin", allowOrigin)
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
w.Header().Set("Access-Control-Expose-Headers", "X-Request-Id")
w.Header().Set("Access-Control-Max-Age", corsMaxAgeHeader)
if allowOrigin != "*" {
w.Header().Set("Access-Control-Allow-Credentials", "true")
}
vary := w.Header().Get("Vary")
if vary == "" {
w.Header().Set("Vary", "Origin")
} else if !strings.Contains(vary, "Origin") {
w.Header().Set("Vary", vary+", Origin")
}
} else {
log.Printf("CORS拦截: 来源=%q 路径=%s 方法=%s 客户端=%s",
origin, r.URL.Path, r.Method, GetClientIP(r))
}
}
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusNoContent)
return
}
next.ServeHTTP(w, r)
})
}
-35
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@@ -1,35 +0,0 @@
package middleware
import (
"log"
"net/http"
"time"
)
type statusRecorder struct {
http.ResponseWriter
statusCode int
}
func (rec *statusRecorder) WriteHeader(code int) {
rec.statusCode = code
rec.ResponseWriter.WriteHeader(code)
}
func Logger(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/health" {
start := time.Now()
next.ServeHTTP(w, r)
log.Printf("%s %s %s %v", r.Method, r.RequestURI, r.RemoteAddr, time.Since(start))
return
}
start := time.Now()
rec := &statusRecorder{ResponseWriter: w, statusCode: http.StatusOK}
next.ServeHTTP(rec, r)
duration := time.Since(start)
log.Printf("%s %s %s %d %v", r.Method, r.RequestURI, r.RemoteAddr, rec.statusCode, duration)
})
}
-115
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@@ -1,115 +0,0 @@
package middleware
import (
"log"
"net"
"net/http"
"strings"
"sync"
"time"
"github.com/volcano-tts/tts-api/common"
)
type RateLimiter struct {
requests map[string][]time.Time
mutex sync.Mutex
limit int
window time.Duration
lastCleanup time.Time
}
var (
GlobalRateLimiter *RateLimiter
ConcurrencySem chan struct{}
)
func InitRateLimiter() {
GlobalRateLimiter = &RateLimiter{
requests: make(map[string][]time.Time),
limit: common.RateLimitRequests,
window: common.RateLimitWindow,
}
ConcurrencySem = make(chan struct{}, common.MaxConcurrentRequests)
}
func (rl *RateLimiter) Allow(key string) bool {
rl.mutex.Lock()
defer rl.mutex.Unlock()
now := time.Now()
cutoff := now.Add(-rl.window)
if now.Sub(rl.lastCleanup) > common.CleanupInterval {
rl.cleanup()
rl.lastCleanup = now
}
timestamps := rl.requests[key]
valid := make([]time.Time, 0, len(timestamps))
for _, ts := range timestamps {
if ts.After(cutoff) {
valid = append(valid, ts)
}
}
if len(valid) >= rl.limit {
rl.requests[key] = valid
return false
}
valid = append(valid, now)
rl.requests[key] = valid
return true
}
func (rl *RateLimiter) cleanup() {
cutoff := time.Now().Add(-rl.window)
for k, v := range rl.requests {
valid := make([]time.Time, 0, len(v))
for _, ts := range v {
if ts.After(cutoff) {
valid = append(valid, ts)
}
}
if len(valid) == 0 {
delete(rl.requests, k)
} else {
rl.requests[k] = valid
}
}
if len(rl.requests) > common.MaxRateLimiterEntries {
log.Printf("警告: 限流器条目数 %d 超过上限 %d,触发强制清理", len(rl.requests), common.MaxRateLimiterEntries)
for k := range rl.requests {
if len(rl.requests) <= common.MaxRateLimiterEntries/2 {
break
}
delete(rl.requests, k)
}
}
}
func GetClientIP(r *http.Request) string {
xForwardedFor := r.Header.Get("X-Forwarded-For")
if xForwardedFor != "" {
ips := strings.Split(xForwardedFor, ",")
if len(ips) > 0 {
ip := strings.TrimSpace(ips[0])
if ip != "" {
return ip
}
}
}
xRealIP := strings.TrimSpace(r.Header.Get("X-Real-IP"))
if xRealIP != "" {
return xRealIP
}
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
return r.RemoteAddr
}
return host
}
-21
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@@ -1,21 +0,0 @@
package middleware
import (
"net/http"
"strings"
)
func SecurityHeaders(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("X-Content-Type-Options", "nosniff")
w.Header().Set("X-Frame-Options", "DENY")
w.Header().Set("X-XSS-Protection", "1; mode=block")
w.Header().Set("Referrer-Policy", "strict-origin-when-cross-origin")
if strings.HasPrefix(r.URL.Path, "/v1/") || r.URL.Path == "/health" {
w.Header().Set("Cache-Control", "no-store")
}
next.ServeHTTP(w, r)
})
}
-28
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@@ -1,28 +0,0 @@
package router
import (
"net/http"
"github.com/gorilla/mux"
"github.com/volcano-tts/tts-api/controller"
"github.com/volcano-tts/tts-api/middleware"
)
func Setup() *mux.Router {
r := mux.NewRouter()
r.Use(middleware.CORS)
r.Use(middleware.SecurityHeaders)
r.Use(middleware.Logger)
r.HandleFunc("/v1/audio/speech", controller.OpenaiTTSHandler).Methods("POST", "OPTIONS")
r.HandleFunc("/health", controller.HealthHandler).Methods("GET")
r.HandleFunc("/dashboard", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "health.html")
}).Methods("GET")
r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/dashboard", http.StatusFound)
}).Methods("GET")
return r
}
-90
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@@ -1,90 +0,0 @@
package service
import (
"fmt"
"runtime"
"sync"
"time"
"github.com/volcano-tts/tts-api/common"
)
type Stats struct {
totalRequests int64
successfulRequests int64
failedRequests int64
totalResponseTime time.Duration
recentResponseTimes []float64
responseTimesIndex int
lastErrors []string
errorsIndex int
mutex sync.RWMutex
}
var GlobalStats *Stats
func InitStats() {
GlobalStats = &Stats{
recentResponseTimes: make([]float64, common.MaxResponseTimes),
lastErrors: make([]string, common.MaxErrors),
}
}
func (s *Stats) AddRequest(success bool, responseTime time.Duration, errMsg string) {
s.mutex.Lock()
defer s.mutex.Unlock()
s.totalRequests++
s.totalResponseTime += responseTime
s.recentResponseTimes[s.responseTimesIndex] = responseTime.Seconds() * 1000
s.responseTimesIndex = (s.responseTimesIndex + 1) % common.MaxResponseTimes
if success {
s.successfulRequests++
} else {
s.failedRequests++
if errMsg != "" {
errInfo := fmt.Sprintf("%s: %s", time.Now().Format(time.RFC3339), errMsg)
s.lastErrors[s.errorsIndex] = errInfo
s.errorsIndex = (s.errorsIndex + 1) % common.MaxErrors
}
}
}
func (s *Stats) GetSnapshot() (totalRequests int64, successfulRequests int64, failedRequests int64,
totalResponseTime time.Duration, recentResponseTimes []float64, lastErrors []string) {
s.mutex.RLock()
defer s.mutex.RUnlock()
totalRequests = s.totalRequests
successfulRequests = s.successfulRequests
failedRequests = s.failedRequests
totalResponseTime = s.totalResponseTime
recentResponseTimes = make([]float64, 0, common.MaxResponseTimes)
for _, t := range s.recentResponseTimes {
if t > 0 {
recentResponseTimes = append(recentResponseTimes, t)
}
}
lastErrors = make([]string, 0, common.MaxErrors)
for _, e := range s.lastErrors {
if e != "" {
lastErrors = append(lastErrors, e)
}
}
return
}
func GetMemoryInfo() map[string]interface{} {
var m runtime.MemStats
runtime.ReadMemStats(&m)
return map[string]interface{}{
"total_alloc": m.TotalAlloc,
"heap_alloc": m.HeapAlloc,
"heap_inuse": m.HeapInuse,
"goroutines": runtime.NumGoroutine(),
}
}
-91
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@@ -1,91 +0,0 @@
package setting
import (
"fmt"
"log"
"os"
"time"
"github.com/volcano-tts/tts-api/common"
"github.com/volcano-tts/tts-api/dto"
)
var (
TTSConfig dto.ByteDanceTTSConfig
TTSConfigErr error
)
func InitTTSConfig() error {
apiKey := os.Getenv("BYTEDANCE_TTS_API_KEY")
resourceId := os.Getenv("BYTEDANCE_TTS_RESOURCE_ID")
speaker := os.Getenv("BYTEDANCE_TTS_SPEAKER")
missingVars := []string{}
if apiKey == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_API_KEY")
}
if resourceId == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_RESOURCE_ID")
}
if speaker == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_SPEAKER")
}
if len(missingVars) > 0 {
return fmt.Errorf("缺少必需的环境变量: %v", missingVars)
}
url := "https://openspeech.bytedance.com/api/v3/tts/unidirectional"
timeout := common.DefaultTimeout
if timeoutStr := os.Getenv("BYTEDANCE_TTS_TIMEOUT"); timeoutStr != "" {
if parsedTimeout, err := time.ParseDuration(timeoutStr); err == nil {
timeout = parsedTimeout
} else {
log.Printf("无效的超时设置 '%s',使用默认值: %v", timeoutStr, timeout)
}
}
TTSConfig = dto.ByteDanceTTSConfig{
ApiKey: apiKey,
ResourceId: resourceId,
Speaker: speaker,
URL: url,
Timeout: timeout,
}
return nil
}
func CheckEnvironmentVariables() map[string]interface{} {
requiredVars := map[string]bool{
"BYTEDANCE_TTS_API_KEY": os.Getenv("BYTEDANCE_TTS_API_KEY") != "",
"BYTEDANCE_TTS_RESOURCE_ID": os.Getenv("BYTEDANCE_TTS_RESOURCE_ID") != "",
"BYTEDANCE_TTS_SPEAKER": os.Getenv("BYTEDANCE_TTS_SPEAKER") != "",
}
missingVars := []string{}
for varName, isSet := range requiredVars {
if !isSet {
missingVars = append(missingVars, varName)
}
}
optionalVars := map[string]bool{
"BYTEDANCE_TTS_TIMEOUT": os.Getenv("BYTEDANCE_TTS_TIMEOUT") != "",
"OPENAI_TTS_API_KEY": os.Getenv("OPENAI_TTS_API_KEY") != "",
"PORT": os.Getenv("PORT") != "",
}
return map[string]interface{}{
"all_required_vars_set": len(missingVars) == 0,
"missing_required_vars": missingVars,
"required_vars_set": requiredVars,
"optional_vars_set": optionalVars,
}
}
func CheckStaticFiles() {
if _, err := os.Stat("health.html"); os.IsNotExist(err) {
log.Println("警告: health.html 不存在,/dashboard 路由将返回 404")
}
}
+778
View File
@@ -0,0 +1,778 @@
package main
import (
"bufio"
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"log"
"net"
"net/http"
"os"
"os/signal"
"runtime"
"strings"
"sync"
"syscall"
"time"
"github.com/google/uuid"
"github.com/gorilla/mux"
)
const (
DEFAULT_PORT = "8080"
DEFAULT_TIMEOUT = 30 * time.Second
MAX_TEXT_LENGTH = 5000
MIN_SPEED = 0.25
MAX_SPEED = 4.0
DEFAULT_SPEED = 1.0
MAX_REQUEST_BODY_SIZE = 1024 * 1024
RATE_LIMIT_REQUESTS = 100
RATE_LIMIT_WINDOW = time.Minute
MAX_RESPONSE_TIMES = 100
MAX_ERRORS = 10
MAX_CONCURRENT_REQUESTS = 10
)
type V3TTSResponse struct {
ReqID string `json:"reqid"`
Code int `json:"code"`
Message string `json:"message"`
Event string `json:"event"`
Sequence int `json:"sequence"`
Data string `json:"data"`
Sentence string `json:"sentence,omitempty"`
IsFinal bool `json:"is_final"`
Usage *Usage `json:"usage,omitempty"`
}
type Usage struct {
TextWords int `json:"text_words"`
}
type OpenAITTSRequest struct {
Model string `json:"model"`
Input string `json:"input"`
Voice string `json:"voice"`
ResponseFormat string `json:"response_format,omitempty"`
Speed float64 `json:"speed,omitempty"`
}
type ByteDanceTTSConfig struct {
ApiKey string
ResourceId string
Speaker string
URL string
Timeout time.Duration
}
type RateLimiter struct {
requests map[string][]time.Time
mutex sync.Mutex
limit int
window time.Duration
lastCleanup time.Time
}
const cleanupInterval = time.Hour
type Stats struct {
totalRequests int64
successfulRequests int64
failedRequests int64
totalResponseTime time.Duration
recentResponseTimes []float64
responseTimesIndex int
lastErrors []string
errorsIndex int
mutex sync.RWMutex
}
var (
VALID_API_KEYS []string
ttsConfig ByteDanceTTSConfig
ttsConfigErr error
globalHTTPClient *http.Client
apiStats *Stats
rateLimiter *RateLimiter
concurrencySem chan struct{}
)
func init() {
globalHTTPClient = &http.Client{
Timeout: DEFAULT_TIMEOUT,
Transport: &http.Transport{
MaxIdleConns: 100,
MaxIdleConnsPerHost: 10,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
},
}
apiStats = &Stats{
recentResponseTimes: make([]float64, MAX_RESPONSE_TIMES),
lastErrors: make([]string, MAX_ERRORS),
}
rateLimiter = &RateLimiter{
requests: make(map[string][]time.Time),
limit: RATE_LIMIT_REQUESTS,
window: RATE_LIMIT_WINDOW,
}
concurrencySem = make(chan struct{}, MAX_CONCURRENT_REQUESTS)
}
func (rl *RateLimiter) Allow(key string) bool {
rl.mutex.Lock()
defer rl.mutex.Unlock()
now := time.Now()
cutoff := now.Add(-rl.window)
if now.Sub(rl.lastCleanup) > cleanupInterval {
rl.cleanup()
rl.lastCleanup = now
}
timestamps := rl.requests[key]
valid := make([]time.Time, 0, len(timestamps))
for _, ts := range timestamps {
if ts.After(cutoff) {
valid = append(valid, ts)
}
}
if len(valid) >= rl.limit {
rl.requests[key] = valid
return false
}
valid = append(valid, now)
rl.requests[key] = valid
return true
}
func (rl *RateLimiter) cleanup() {
cutoff := time.Now().Add(-rl.window)
for k, v := range rl.requests {
valid := make([]time.Time, 0, len(v))
for _, ts := range v {
if ts.After(cutoff) {
valid = append(valid, ts)
}
}
if len(valid) == 0 {
delete(rl.requests, k)
} else {
rl.requests[k] = valid
}
}
}
func initTTSConfig() error {
apiKey := os.Getenv("BYTEDANCE_TTS_API_KEY")
resourceId := os.Getenv("BYTEDANCE_TTS_RESOURCE_ID")
speaker := os.Getenv("BYTEDANCE_TTS_SPEAKER")
missingVars := []string{}
if apiKey == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_API_KEY")
}
if resourceId == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_RESOURCE_ID")
}
if speaker == "" {
missingVars = append(missingVars, "BYTEDANCE_TTS_SPEAKER")
}
if len(missingVars) > 0 {
return fmt.Errorf("缺少必需的环境变量: %v", missingVars)
}
url := "https://openspeech.bytedance.com/api/v3/tts/unidirectional"
timeout := DEFAULT_TIMEOUT
if timeoutStr := os.Getenv("BYTEDANCE_TTS_TIMEOUT"); timeoutStr != "" {
if parsedTimeout, err := time.ParseDuration(timeoutStr); err == nil {
timeout = parsedTimeout
} else {
log.Printf("无效的超时设置 '%s',使用默认值: %v", timeoutStr, timeout)
}
}
ttsConfig = ByteDanceTTSConfig{
ApiKey: apiKey,
ResourceId: resourceId,
Speaker: speaker,
URL: url,
Timeout: timeout,
}
return nil
}
func initAPIKeys() {
apiKey := os.Getenv("OPENAI_TTS_API_KEY")
if apiKey != "" {
VALID_API_KEYS = strings.Split(apiKey, ",")
for i, k := range VALID_API_KEYS {
VALID_API_KEYS[i] = strings.TrimSpace(k)
}
log.Printf("已配置 %d 个有效的API密钥", len(VALID_API_KEYS))
} else {
log.Println("警告: OPENAI_TTS_API_KEY 环境变量未设置,将允许所有请求")
}
}
func checkEnvironmentVariables() map[string]interface{} {
requiredVars := map[string]bool{
"BYTEDANCE_TTS_API_KEY": os.Getenv("BYTEDANCE_TTS_API_KEY") != "",
"BYTEDANCE_TTS_RESOURCE_ID": os.Getenv("BYTEDANCE_TTS_RESOURCE_ID") != "",
"BYTEDANCE_TTS_SPEAKER": os.Getenv("BYTEDANCE_TTS_SPEAKER") != "",
}
missingVars := []string{}
for varName, isSet := range requiredVars {
if !isSet {
missingVars = append(missingVars, varName)
}
}
optionalVars := map[string]bool{
"BYTEDANCE_TTS_TIMEOUT": os.Getenv("BYTEDANCE_TTS_TIMEOUT") != "",
"OPENAI_TTS_API_KEY": os.Getenv("OPENAI_TTS_API_KEY") != "",
"PORT": os.Getenv("PORT") != "",
}
return map[string]interface{}{
"all_required_vars_set": len(missingVars) == 0,
"missing_required_vars": missingVars,
"required_vars_set": requiredVars,
"optional_vars_set": optionalVars,
}
}
func httpPostStream(url string, headers map[string]string, body []byte, timeout time.Duration) (*http.Response, error) {
req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(body))
if err != nil {
return nil, err
}
for key, value := range headers {
req.Header.Set(key, value)
}
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
req = req.WithContext(ctx)
return globalHTTPClient.Do(req)
}
func convertSpeedToSpeechRate(speed float64) int {
if speed <= 0.5 {
return -50
}
if speed >= 2.0 {
return 100
}
return int((speed - 1.0) * 100)
}
type SynthesisResult struct {
AudioData []byte
ReqID string
}
func synthesis(text string, speed float64) (*SynthesisResult, error) {
reqID := uuid.NewString()
speechRate := convertSpeedToSpeechRate(speed)
params := map[string]interface{}{
"user": map[string]interface{}{
"uid": "uid",
},
"namespace": "BidirectionalTTS",
"req_params": map[string]interface{}{
"text": text,
"speaker": ttsConfig.Speaker,
"audio_params": map[string]interface{}{
"format": "wav",
"sample_rate": 24000,
"speech_rate": speechRate,
},
},
}
headers := map[string]string{
"Content-Type": "application/json",
"Connection": "keep-alive",
"X-Api-Resource-Id": ttsConfig.ResourceId,
"X-Api-Request-Id": reqID,
"X-Api-Key": ttsConfig.ApiKey,
}
bodyStr, err := json.Marshal(params)
if err != nil {
log.Printf("JSON marshal fail: %v", err)
return nil, err
}
resp, err := httpPostStream(ttsConfig.URL, headers, bodyStr, ttsConfig.Timeout)
if err != nil {
log.Printf("http post fail: %v", err)
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(resp.Body)
log.Printf("TTS service error: status=%d, body=%s", resp.StatusCode, string(body))
return nil, fmt.Errorf("TTS service error: status %d", resp.StatusCode)
}
var audioData []byte
scanner := bufio.NewScanner(resp.Body)
scanner.Buffer(make([]byte, 1024*1024), 1024*1024)
for scanner.Scan() {
line := scanner.Bytes()
if len(line) == 0 {
continue
}
var v3Resp V3TTSResponse
if err := json.Unmarshal(line, &v3Resp); err != nil {
log.Printf("unmarshal chunk fail: %v, line: %s", err, string(line))
continue
}
if v3Resp.Code == 20000000 {
if v3Resp.Usage != nil {
log.Printf("TTS synthesis completed, usage: %+v", v3Resp.Usage)
}
for scanner.Scan() {
}
break
}
if v3Resp.Code != 0 {
log.Printf("TTS service error: code=%d, message=%s", v3Resp.Code, v3Resp.Message)
return nil, fmt.Errorf("TTS service error: %s", v3Resp.Message)
}
if v3Resp.Data != "" {
chunk, err := base64.StdEncoding.DecodeString(v3Resp.Data)
if err != nil {
log.Printf("base64 decode fail: %v", err)
return nil, err
}
audioData = append(audioData, chunk...)
} else if v3Resp.Sentence != "" {
log.Printf("Received sentence info (sequence %d): %s", v3Resp.Sequence, v3Resp.Sentence)
}
}
if err := scanner.Err(); err != nil {
log.Printf("read stream fail: %v", err)
return nil, err
}
if len(audioData) == 0 {
return nil, fmt.Errorf("no audio data received")
}
return &SynthesisResult{AudioData: audioData, ReqID: reqID}, nil
}
func validateAPIKey(r *http.Request) bool {
if len(VALID_API_KEYS) == 0 {
return true
}
authHeader := r.Header.Get("Authorization")
if authHeader == "" {
return false
}
if !strings.HasPrefix(authHeader, "Bearer ") {
return false
}
token := strings.TrimPrefix(authHeader, "Bearer ")
for _, validKey := range VALID_API_KEYS {
if token == validKey {
return true
}
}
return false
}
func getClientIP(r *http.Request) string {
xForwardedFor := r.Header.Get("X-Forwarded-For")
if xForwardedFor != "" {
ips := strings.Split(xForwardedFor, ",")
if len(ips) > 0 {
return strings.TrimSpace(ips[0])
}
}
xRealIP := r.Header.Get("X-Real-IP")
if xRealIP != "" {
return xRealIP
}
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
return r.RemoteAddr
}
return host
}
func openaiTTSHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
if !validateAPIKey(r) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusUnauthorized)
json.NewEncoder(w).Encode(map[string]interface{}{
"error": map[string]interface{}{
"message": "Invalid API key provided.",
"type": "invalid_request_error",
"code": "invalid_api_key",
},
})
return
}
if ttsConfigErr != nil {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusServiceUnavailable)
json.NewEncoder(w).Encode(map[string]interface{}{
"error": map[string]interface{}{
"message": fmt.Sprintf("TTS service configuration error: %v. Please check environment variables and restart the service.", ttsConfigErr),
"type": "configuration_error",
"code": "service_unavailable",
},
})
return
}
clientIP := getClientIP(r)
if !rateLimiter.Allow(clientIP) {
log.Printf("警告: 已超过IP速率限制,拒绝请求 - 客户端IP: %s", clientIP)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusTooManyRequests)
json.NewEncoder(w).Encode(map[string]interface{}{
"error": map[string]interface{}{
"message": "Rate limit exceeded. Please try again later.",
"type": "rate_limit_error",
"code": "rate_limit_exceeded",
},
})
return
}
select {
case concurrencySem <- struct{}{}:
defer func() { <-concurrencySem }()
default:
log.Printf("警告: 已达到最大并发请求数限制,拒绝请求 - 客户端IP: %s", getClientIP(r))
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusServiceUnavailable)
json.NewEncoder(w).Encode(map[string]interface{}{
"error": map[string]interface{}{
"message": "Server is busy, maximum concurrent requests reached. Please try again later.",
"type": "concurrency_limit_error",
"code": "max_concurrent_requests",
},
})
return
}
body, err := io.ReadAll(http.MaxBytesReader(w, r.Body, MAX_REQUEST_BODY_SIZE))
if err != nil {
if strings.Contains(err.Error(), "request body too large") {
http.Error(w, "Request body too large", http.StatusRequestEntityTooLarge)
} else {
http.Error(w, "Failed to read request body", http.StatusBadRequest)
}
return
}
var req OpenAITTSRequest
if err := json.Unmarshal(body, &req); err != nil {
http.Error(w, "Invalid JSON", http.StatusBadRequest)
return
}
if req.Input == "" {
http.Error(w, "Input text is required", http.StatusBadRequest)
return
}
if len(req.Input) > MAX_TEXT_LENGTH {
http.Error(w, fmt.Sprintf("Input text too long (max %d characters)", MAX_TEXT_LENGTH), http.StatusBadRequest)
return
}
speed := req.Speed
if speed <= 0 {
speed = DEFAULT_SPEED
}
if speed < MIN_SPEED {
speed = MIN_SPEED
}
if speed > MAX_SPEED {
speed = MAX_SPEED
}
ttsStart := time.Now()
result, err := synthesis(req.Input, speed)
duration := time.Since(ttsStart)
if err != nil {
addRequestStats(false, duration, err.Error())
http.Error(w, "TTS synthesis failed", http.StatusInternalServerError)
return
}
addRequestStats(true, duration, "")
w.Header().Set("Content-Type", "audio/wav")
w.Header().Set("Content-Length", fmt.Sprintf("%d", len(result.AudioData)))
w.Header().Set("X-Request-Id", result.ReqID)
w.WriteHeader(http.StatusOK)
w.Write(result.AudioData)
}
func addRequestStats(success bool, responseTime time.Duration, errMsg string) {
apiStats.mutex.Lock()
defer apiStats.mutex.Unlock()
apiStats.totalRequests++
apiStats.totalResponseTime += responseTime
apiStats.recentResponseTimes[apiStats.responseTimesIndex] = responseTime.Seconds() * 1000
apiStats.responseTimesIndex = (apiStats.responseTimesIndex + 1) % MAX_RESPONSE_TIMES
if success {
apiStats.successfulRequests++
} else {
apiStats.failedRequests++
if errMsg != "" {
errInfo := fmt.Sprintf("%s: %s", time.Now().Format(time.RFC3339), errMsg)
apiStats.lastErrors[apiStats.errorsIndex] = errInfo
apiStats.errorsIndex = (apiStats.errorsIndex + 1) % MAX_ERRORS
}
}
}
func getMemoryInfo() map[string]interface{} {
var m runtime.MemStats
runtime.ReadMemStats(&m)
return map[string]interface{}{
"total_alloc": m.TotalAlloc,
"heap_alloc": m.HeapAlloc,
"heap_inuse": m.HeapInuse,
"goroutines": runtime.NumGoroutine(),
}
}
func healthHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
if ttsConfigErr != nil {
w.WriteHeader(http.StatusServiceUnavailable)
} else {
w.WriteHeader(http.StatusOK)
}
apiStats.mutex.RLock()
totalRequests := apiStats.totalRequests
successfulRequests := apiStats.successfulRequests
failedRequests := apiStats.failedRequests
totalResponseTime := apiStats.totalResponseTime
recentResponseTimes := make([]float64, 0, MAX_RESPONSE_TIMES)
for _, t := range apiStats.recentResponseTimes {
if t > 0 {
recentResponseTimes = append(recentResponseTimes, t)
}
}
lastErrors := make([]string, 0, MAX_ERRORS)
for _, e := range apiStats.lastErrors {
if e != "" {
lastErrors = append(lastErrors, e)
}
}
apiStats.mutex.RUnlock()
var errorRate float64
if totalRequests > 0 {
errorRate = float64(failedRequests) / float64(totalRequests) * 100
}
var avgResponseTime float64
if totalRequests > 0 {
avgResponseTime = totalResponseTime.Seconds() * 1000 / float64(totalRequests)
}
envCheckStatus := checkEnvironmentVariables()
allEnvVarsSet := envCheckStatus["all_required_vars_set"].(bool)
status := "ok"
if !allEnvVarsSet {
status = "configuration_error"
}
response := map[string]interface{}{
"status": status,
"service": "ByteDance TTS to OpenAI API Adapter",
"version": "2.0.0 (v3 API)",
"uptime": fmt.Sprintf("%.0f seconds", time.Since(startTime).Seconds()),
"start_time": startTime.Format(time.RFC3339),
"memory": getMemoryInfo(),
"api_stats": map[string]interface{}{
"total_requests": totalRequests,
"successful_requests": successfulRequests,
"failed_requests": failedRequests,
"error_rate_percent": fmt.Sprintf("%.2f", errorRate),
"avg_response_time_ms": fmt.Sprintf("%.2f", avgResponseTime),
"recent_response_times_ms": recentResponseTimes,
},
"errors": map[string]interface{}{
"recent_errors_count": len(lastErrors),
},
"config_status": map[string]interface{}{
"all_required_vars_set": allEnvVarsSet,
"config_error": ttsConfigErr != nil,
"config_error_message": fmt.Sprintf("%v", ttsConfigErr),
},
}
json.NewEncoder(w).Encode(response)
}
var startTime time.Time
type statusRecorder struct {
http.ResponseWriter
statusCode int
}
func (rec *statusRecorder) WriteHeader(code int) {
rec.statusCode = code
rec.ResponseWriter.WriteHeader(code)
}
func corsMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusOK)
return
}
next.ServeHTTP(w, r)
})
}
func main() {
startTime = time.Now()
log.SetFlags(log.LstdFlags | log.Lshortfile)
log.SetPrefix("[TTS-Server] ")
initAPIKeys()
ttsConfigErr = initTTSConfig()
if ttsConfigErr != nil {
log.Printf("警告: 配置初始化失败: %v", ttsConfigErr)
log.Printf("服务将继续运行,但TTS功能不可用,请检查环境变量配置")
} else {
log.Printf("配置初始化成功")
}
router := mux.NewRouter()
router.Use(corsMiddleware)
router.Use(func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/health" {
start := time.Now()
next.ServeHTTP(w, r)
log.Printf("%s %s %s %v", r.Method, r.RequestURI, r.RemoteAddr, time.Since(start))
return
}
start := time.Now()
rec := &statusRecorder{ResponseWriter: w, statusCode: http.StatusOK}
next.ServeHTTP(rec, r)
duration := time.Since(start)
log.Printf("%s %s %s %d %v", r.Method, r.RequestURI, r.RemoteAddr, rec.statusCode, duration)
})
})
router.HandleFunc("/v1/audio/speech", openaiTTSHandler).Methods("POST", "OPTIONS")
router.HandleFunc("/health", healthHandler).Methods("GET")
router.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/health", http.StatusFound)
}).Methods("GET")
port := os.Getenv("PORT")
if port == "" {
port = DEFAULT_PORT
}
server := &http.Server{
Addr: ":" + port,
Handler: router,
ReadTimeout: 15 * time.Second,
WriteTimeout: 15 * time.Second,
IdleTimeout: 60 * time.Second,
}
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
go func() {
log.Printf("Starting ByteDance TTS to OpenAI API Adapter Server")
log.Printf("Listening on port: %s", port)
log.Printf("OpenAI TTS endpoint: http://localhost:%s/v1/audio/speech", port)
log.Printf("Health check: http://localhost:%s/health", port)
log.Printf("Using ByteDance v3 API: %s", ttsConfig.URL)
log.Printf("Resource ID: %s", ttsConfig.ResourceId)
log.Printf("Speaker: %s", ttsConfig.Speaker)
if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("Server failed to start: %v", err)
}
}()
<-quit
log.Println("Shutting down server...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := server.Shutdown(ctx); err != nil {
log.Printf("Server forced to shutdown: %v", err)
} else {
log.Println("Server exited gracefully")
}
}