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[router]: Add Embedding routing logic (#10129)

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Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>
Co-authored-by: Waël Boukhobza <wawa_wael@live.fr>
This commit is contained in:
Jintao Zhang
2025-09-15 09:44:35 +08:00
committed by GitHub
parent dcee42c200
commit f9ee6ae17a
17 changed files with 452 additions and 69 deletions
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28
sgl-router/src/routers/http/router.rs
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@@ -6,8 +6,8 @@ use crate::core::{
use crate::metrics::RouterMetrics;
use crate::policies::{LoadBalancingPolicy, PolicyRegistry};
use crate::protocols::spec::{
ChatCompletionRequest, CompletionRequest, GenerateRequest, GenerationRequest, RerankRequest,
RerankResponse, RerankResult, ResponsesRequest,
ChatCompletionRequest, CompletionRequest, EmbeddingRequest, GenerateRequest, GenerationRequest,
RerankRequest, RerankResponse, RerankResult, ResponsesRequest,
};
use crate::routers::header_utils;
use crate::routers::{RouterTrait, WorkerManagement};
@@ -1430,8 +1430,28 @@ impl RouterTrait for Router {
self.route_post_empty_request(headers, &endpoint).await
}
async fn route_embeddings(&self, _headers: Option<&HeaderMap>, _body: Body) -> Response {
todo!()
async fn route_embeddings(
&self,
headers: Option<&HeaderMap>,
body: &EmbeddingRequest,
model_id: Option<&str>,
) -> Response {
// Record embeddings-specific metrics in addition to general request metrics
let start = Instant::now();
let res = self
.route_typed_request(headers, body, "/v1/embeddings", model_id)
.await;
// Embedding specific metrics
if res.status().is_success() {
RouterMetrics::record_embeddings_request();
RouterMetrics::record_embeddings_duration(start.elapsed());
} else {
let error_type = format!("http_{}", res.status().as_u16());
RouterMetrics::record_embeddings_error(&error_type);
}
res
}
async fn route_rerank(