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fix(antigravity): handle url-level 429 without failover

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song
2026-01-17 21:37:32 +08:00
parent f22bc59fe3
commit 07ba64c666
1 changed files with 27 additions and 7 deletions
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34
backend/internal/service/antigravity_gateway_service.go
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@@ -129,7 +129,7 @@ urlFallbackLoop:
_ = resp.Body.Close()
// "Resource has been exhausted" 是 URL 级别限流，切换 URL
if isURLLevelRateLimit(respBody) && urlIdx < len(availableURLs)-1 {
if isURLLevelRateLimit(respBody) {
upstreamMsg := strings.TrimSpace(extractAntigravityErrorMessage(respBody))
upstreamMsg = sanitizeUpstreamErrorMessage(upstreamMsg)
appendOpsUpstreamError(p.c, OpsUpstreamErrorEvent{
@@ -142,9 +142,18 @@ urlFallbackLoop:
Message: upstreamMsg,
Detail: getUpstreamDetail(respBody),
})
antigravity.DefaultURLAvailability.MarkUnavailable(baseURL)
log.Printf("%s URL fallback (HTTP 429): %s -> %s body=%s", p.prefix, baseURL, availableURLs[urlIdx+1], truncateForLog(respBody, 200))
continue urlFallbackLoop
if urlIdx < len(availableURLs)-1 {
log.Printf("%s URL fallback (HTTP 429): %s -> %s body=%s", p.prefix, baseURL, availableURLs[urlIdx+1], truncateForLog(respBody, 200))
continue urlFallbackLoop
}
log.Printf("%s status=429 url_rate_limited base_url=%s body=%s", p.prefix, baseURL, truncateForLog(respBody, 200))
resp = &http.Response{
StatusCode: resp.StatusCode,
Header: resp.Header.Clone(),
Body: io.NopCloser(bytes.NewReader(respBody)),
Request: resp.Request,
}
break urlFallbackLoop
}
// 账户/模型配额限流，重试 3 次（指数退避）
@@ -932,9 +941,15 @@ func (s *AntigravityGatewayService) Forward(ctx context.Context, c *gin.Context,
// 处理错误响应（重试后仍失败或不触发重试）
if resp.StatusCode >= 400 {
s.handleUpstreamError(ctx, prefix, account, resp.StatusCode, resp.Header, respBody, quotaScope)
urlLevelRateLimit := resp.StatusCode == http.StatusTooManyRequests && isURLLevelRateLimit(respBody)
if !urlLevelRateLimit {
s.handleUpstreamError(ctx, prefix, account, resp.StatusCode, resp.Header, respBody, quotaScope)
}
if s.shouldFailoverUpstreamError(resp.StatusCode) {
if urlLevelRateLimit {
return nil, s.writeMappedClaudeError(c, account, resp.StatusCode, resp.Header.Get("x-request-id"), respBody)
}
upstreamMsg := strings.TrimSpace(extractAntigravityErrorMessage(respBody))
upstreamMsg = sanitizeUpstreamErrorMessage(upstreamMsg)
logBody := s.settingService != nil && s.settingService.cfg != nil && s.settingService.cfg.Gateway.LogUpstreamErrorBody
@@ -1534,8 +1549,6 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
goto handleSuccess
}
s.handleUpstreamError(ctx, prefix, account, resp.StatusCode, resp.Header, respBody, quotaScope)
requestID := resp.Header.Get("x-request-id")
if requestID != "" {
c.Header("x-request-id", requestID)
@@ -1546,6 +1559,10 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
if unwrapErr != nil || len(unwrappedForOps) == 0 {
unwrappedForOps = respBody
}
urlLevelRateLimit := resp.StatusCode == http.StatusTooManyRequests && isURLLevelRateLimit(unwrappedForOps)
if !urlLevelRateLimit {
s.handleUpstreamError(ctx, prefix, account, resp.StatusCode, resp.Header, respBody, quotaScope)
}
upstreamMsg := strings.TrimSpace(extractAntigravityErrorMessage(unwrappedForOps))
upstreamMsg = sanitizeUpstreamErrorMessage(upstreamMsg)
@@ -1563,6 +1580,9 @@ func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Co
setOpsUpstreamError(c, resp.StatusCode, upstreamMsg, upstreamDetail)
if s.shouldFailoverUpstreamError(resp.StatusCode) {
if urlLevelRateLimit {
return nil, s.writeGoogleError(c, resp.StatusCode, upstreamMsg)
}
appendOpsUpstreamError(c, OpsUpstreamErrorEvent{
Platform: account.Platform,
AccountID: account.ID,