Add configuration for geoip2 module

Based on closed PRs #2551, #2755

test/e2e/settings/geoip2.go

@@ -0,0 +1,96 @@
+/*
+Copyright 2018 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 settings
+
+import (
+	"strings"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/parnurzeal/gorequest"
+	"k8s.io/ingress-nginx/test/e2e/framework"
+	"net/http"
+)
+
+var _ = framework.IngressNginxDescribe("Geoip2", func() {
+	f := framework.NewDefaultFramework("geoip2")
+
+	host := "geoip2"
+
+	BeforeEach(func() {
+		err := f.NewEchoDeployment()
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	It("should only allow requests from specific countries", func() {
+		err := f.UpdateNginxConfigMapData("use-geoip2", "true")
+		Expect(err).NotTo(HaveOccurred())
+
+		httpSnippetAllowingOnlyAustralia :=
+			`map $geoip2_city_country_code $blocked_country {
+  default 1;
+  AU 0;
+}`
+		err = f.UpdateNginxConfigMapData("http-snippet", httpSnippetAllowingOnlyAustralia)
+		Expect(err).NotTo(HaveOccurred())
+
+		err = f.WaitForNginxConfiguration(
+			func(cfg string) bool {
+				return strings.Contains(cfg, "map $geoip2_city_country_code $blocked_country")
+			})
+		Expect(err).NotTo(HaveOccurred())
+
+		configSnippet :=
+			`if ($blocked_country) {
+  return 403;
+}`
+
+		annotations := map[string]string{
+			"nginx.ingress.kubernetes.io/configuration-snippet": configSnippet,
+		}
+
+		ing, err := f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.IngressController.Namespace, "http-svc", 80, &annotations))
+		Expect(err).NotTo(HaveOccurred())
+		Expect(ing).NotTo(BeNil())
+
+		err = f.WaitForNginxConfiguration(
+			func(cfg string) bool {
+				return strings.Contains(cfg, "if ($blocked_country)")
+			})
+		Expect(err).NotTo(HaveOccurred())
+
+		// Should be blocked
+		usIp := "8.8.8.8"
+		resp, _, errs := gorequest.New().
+			Get(f.IngressController.HTTPURL).
+			Set("Host", host).
+			Set("X-Forwarded-For", usIp).
+			End()
+		Expect(errs).To(BeNil())
+		Expect(resp.StatusCode).Should(Equal(http.StatusForbidden))
+
+		// Shouldn't be blocked
+		australianIp := "1.1.1.1"
+		resp, _, errs = gorequest.New().
+			Get(f.IngressController.HTTPURL).
+			Set("Host", host).
+			Set("X-Forwarded-For", australianIp).
+			End()
+		Expect(errs).To(BeNil())
+		Expect(resp.StatusCode).Should(Equal(http.StatusOK))
+	})
+})