fix(ci): install gateway api crds with one channel

Author: mahmut-Abi

scripts/ci/install-gateway-api-crds.sh

@@ -2,13 +2,34 @@
 set -euo pipefail
 
 GATEWAY_API_VERSION="${GATEWAY_API_VERSION:-v1.5.1}"
+GATEWAY_API_CHANNEL="${GATEWAY_API_CHANNEL:-experimental}"
 BASE_URL="https://github.com/kubernetes-sigs/gateway-api/releases/download/${GATEWAY_API_VERSION}"
 
+case "$GATEWAY_API_CHANNEL" in
+  standard | experimental)
+    ;;
+  *)
+    echo "GATEWAY_API_CHANNEL must be standard or experimental, got: $GATEWAY_API_CHANNEL" >&2
+    exit 1
+    ;;
+esac
+
+tmpdir="$(mktemp -d)"
+cleanup() {
+  rm -rf "$tmpdir"
+}
+trap cleanup EXIT
+
+manifest_file="$tmpdir/${GATEWAY_API_CHANNEL}-install.yaml"
+curl -fsSL --connect-timeout 15 --max-time 120 --retry 3 --retry-delay 5 --retry-all-errors \
+  "${BASE_URL}/${GATEWAY_API_CHANNEL}-install.yaml" \
+  -o "$manifest_file"
+
 apply_with_retries() {
   local manifest="$1"
 
   for attempt in 1 2 3; do
-    if kubectl apply -f "$manifest"; then
+    if kubectl apply --server-side -f "$manifest"; then
       return 0
     fi
 
@@ -20,9 +41,14 @@ apply_with_retries() {
   return 1
 }
 
-apply_with_retries "${BASE_URL}/standard-install.yaml"
-apply_with_retries "${BASE_URL}/experimental-install.yaml"
+apply_with_retries "$manifest_file"
 kubectl wait --for=condition=established crd/gatewayclasses.gateway.networking.k8s.io --timeout=60s
 kubectl wait --for=condition=established crd/gateways.gateway.networking.k8s.io --timeout=60s
 kubectl wait --for=condition=established crd/httproutes.gateway.networking.k8s.io --timeout=60s
 kubectl wait --for=condition=established crd/referencegrants.gateway.networking.k8s.io --timeout=60s
+
+if [[ "$GATEWAY_API_CHANNEL" == "experimental" ]]; then
+  kubectl wait --for=condition=established crd/tcproutes.gateway.networking.k8s.io --timeout=60s
+  kubectl wait --for=condition=established crd/udproutes.gateway.networking.k8s.io --timeout=60s
+  kubectl wait --for=condition=established crd/tlsroutes.gateway.networking.k8s.io --timeout=60s
+fi