add-envoyproxy-ai-gateway (kubernetes-sigs#1554)

Author: learner0810

config/manifests/gateway/envoyaigateway/gateway.yaml

@@ -0,0 +1,17 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: GatewayClass
+metadata:
+  name: envoy-ai-gateway
+spec:
+  controllerName: gateway.envoyproxy.io/gatewayclass-controller
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: inference-gateway
+spec:
+  gatewayClassName: envoy-ai-gateway
+  listeners:
+    - name: http
+      protocol: HTTP
+      port: 80

config/manifests/gateway/envoyaigateway/httproute.yaml

@@ -0,0 +1,20 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: llm-route
+spec:
+  parentRefs:
+    - group: gateway.networking.k8s.io
+      kind: Gateway
+      name: inference-gateway
+  rules:
+    - backendRefs:
+        - group: inference.networking.x-k8s.io
+          kind: InferencePool
+          name: vllm-llama3-8b-instruct
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+      timeouts:
+        request: 300s

hack/verify-manifests.sh

@@ -38,6 +38,7 @@ main() {
   cp ${SCRIPT_ROOT}/config/crd/bases/* "${TEMP_DIR}/"
 
   # Download external CRDs for validation
+  fetch_crds "https://raw.githubusercontent.com/kubernetes-sigs/gateway-api/refs/tags/${GATEWAY_API_VERSION}/config/crd/standard/gateway.networking.k8s.io_gatewayclasses.yaml"
   fetch_crds "https://raw.githubusercontent.com/kubernetes-sigs/gateway-api/refs/tags/${GATEWAY_API_VERSION}/config/crd/standard/gateway.networking.k8s.io_gateways.yaml"
   fetch_crds "https://raw.githubusercontent.com/kubernetes-sigs/gateway-api/refs/tags/${GATEWAY_API_VERSION}/config/crd/standard/gateway.networking.k8s.io_httproutes.yaml"
   fetch_crds "https://raw.githubusercontent.com/GoogleCloudPlatform/gke-gateway-api/refs/tags/${GKE_GATEWAY_API_VERSION}/config/crd/networking.gke.io_gcpbackendpolicies.yaml"