Add support for grpc_set_header

test/e2e/annotations/grpc.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package annotations
+
+import (
+	"fmt"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"k8s.io/ingress-nginx/test/e2e/framework"
+)
+
+var _ = framework.IngressNginxDescribe("Annotations - grpc", func() {
+	f := framework.NewDefaultFramework("grpc")
+
+	BeforeEach(func() {
+		err := f.NewGRPCFortuneTellerDeployment()
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	Context("when grpc is enabled", func() {
+		It("should use grpc_pass in the configuration file", func() {
+			host := "grpc"
+
+			annotations := map[string]string{
+				"nginx.ingress.kubernetes.io/grpc-backend": "true",
+			}
+			ing, err := f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.IngressController.Namespace, "fortune-teller", 50051, &annotations))
+			Expect(err).NotTo(HaveOccurred())
+			Expect(ing).NotTo(BeNil())
+
+			err = f.WaitForNginxServer(host,
+				func(server string) bool {
+					return Expect(server).Should(ContainSubstring(fmt.Sprintf("server_name %v", host))) &&
+						Expect(server).ShouldNot(ContainSubstring("return 503"))
+				})
+			Expect(err).NotTo(HaveOccurred())
+
+			err = f.WaitForNginxServer(host,
+				func(server string) bool {
+					return Expect(server).Should(ContainSubstring("grpc_pass")) &&
+						Expect(server).Should(ContainSubstring("grpc_set_header")) &&
+						Expect(server).ShouldNot(ContainSubstring("proxy_pass"))
+				})
+			Expect(err).NotTo(HaveOccurred())
+		})
+	})
+})