Merge branch 'main' into fix-auto-inject-saturation-filter

Author: ahg-g

.github/workflows/nightly-router-perf-test-optimized-baseline-10k-1k.yaml

@@ -126,4 +126,5 @@ jobs:
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
           git add test/perf/results/optimized-baseline/
           git commit -m "Auto-update EPP nightly performance results [skip ci]" || exit 0
+          git pull --rebase origin main
           git push

Dockerfile.builder

@@ -1,11 +1,11 @@
-FROM golang:1.25.12
+FROM golang:1.26.5
 
 RUN mkdir /app
 WORKDIR /app
 
 ARG TYPOS_VERSION=v1.34.0
 ARG KIND_VERSION=v0.27.0
-ARG GOLANGCI_LINT_VERSION=v2.8.0
+ARG GOLANGCI_LINT_VERSION=v2.10.0
 ARG KUBECTL_VERSION=v1.35.3
 ARG KUSTOMIZE_VERSION=v5.6.0
 ARG DOCKER_VERSION=29.3.0

Dockerfile.coordinator

@@ -6,7 +6,7 @@
 ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
 
 # Go build stage
-FROM --platform=${BUILDPLATFORM} quay.io/projectquay/golang:1.25 AS builder
+FROM --platform=${BUILDPLATFORM} golang:1.26.5 AS builder
 
 ARG TARGETOS
 ARG TARGETARCH

Dockerfile.epp

@@ -6,7 +6,7 @@
 ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
 
 # Go build stage
-FROM --platform=${BUILDPLATFORM} golang:1.25.12 AS go-builder
+FROM --platform=${BUILDPLATFORM} golang:1.26.5 AS go-builder
 
 ARG TARGETOS
 ARG TARGETARCH

Dockerfile.sidecar

@@ -5,8 +5,8 @@
 #   COPY --from=builder /etc/ssl/certs/ca-bundle.crt /etc/ssl/certs/ca-bundle.crt
 ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
 
-# Build Stage: using Go 1.25.12 image
-FROM --platform=${BUILDPLATFORM} golang:1.25.12 AS builder
+# Build Stage: using Go 1.26.5 image
+FROM --platform=${BUILDPLATFORM} golang:1.26.5 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/llm-d/llm-d-router
 
-go 1.25.12
+go 1.26.5
 
 require (
 	cloud.google.com/go/aiplatform v1.124.0

pkg/epp/framework/plugins/requestcontrol/dataproducer/predictedlatency/running_request_tpot_slo_queue.go

@@ -240,10 +240,7 @@ func (pq *requestPriorityQueue) String() string {
 		if i > 0 {
 			builder.WriteString(", ")
 		}
-		builder.WriteString(item.id)
-		builder.WriteString("(")
-		builder.WriteString(fmt.Sprintf("%.2f", item.tpot))
-		builder.WriteString(")")
+		fmt.Fprintf(&builder, "%s(%.2f)", item.id, item.tpot)
 	}
 
 	builder.WriteString("]")

test/e2e/requests_test.go

@@ -208,7 +208,7 @@ func runChatCompletionWithImages(imageURLs ...string) (string, string) {
 	ginkgo.By(fmt.Sprintf("Sending Multimodal Chat Completion Request with %d images", len(imageURLs)))
 	var sb strings.Builder
 	for i, url := range imageURLs {
-		sb.WriteString(fmt.Sprintf(`{"type":"image_url","image_url":{"url":%q},"uuid":"image-%d"},`, url, i))
+		fmt.Fprintf(&sb, `{"type":"image_url","image_url":{"url":%q},"uuid":"image-%d"},`, url, i)
 	}
 	body := fmt.Sprintf(`{"model":%q,"messages":[{"role":"user","content":[%s{"type":"text","text":"Describe what you see."}]}],"max_tokens":150}`,
 		simModelName, sb.String())