Added e2e test to disabling modsecurity conf

Added e2e in case modsecurity-snippet enabled to disable settings in default modsecurity.conf

test/e2e/annotations/modsecurity/modsecurity.go

@@ -342,4 +342,40 @@ var _ = framework.DescribeAnnotation("modsecurity owasp", func() {
 			Expect().
 			Status(http.StatusOK)
 	})
+	
+	ginkgo.It("should disable default modsecurity conf setting when modsecurity-snippet is specified", func() {
+		host := "modsecurity.foo.com"
+		nameSpace := f.Namespace
+
+		snippet := `SecRuleEngine On
+		SecRequestBodyAccess On
+		SecAuditEngine RelevantOnly
+		SecAuditLogParts ABIJDEFHZ
+		SecAuditLogType Concurrent
+		SecAuditLog /var/tmp/modsec_audit.log
+		SecAuditLogStorageDir /var/tmp/
+		SecRule REQUEST_HEADERS:User-Agent \"block-ua\" \"log,deny,id:107,status:403,msg:\'UA blocked\'\"`
+
+		annotations := map[string]string{
+			"nginx.ingress.kubernetes.io/enable-modsecurity":  "true",
+			"nginx.ingress.kubernetes.io/modsecurity-snippet": snippet,
+		}
+		f.UpdateNginxConfigMapData("annotation-value-word-blocklist", "load_module, lua_package, _by_lua, location, root, {, }")
+		// Sleep a while just to guarantee that the configmap is applied
+		framework.Sleep()
+		ing := framework.NewSingleIngress(host, "/", host, nameSpace, framework.EchoService, 80, annotations)
+		f.EnsureIngress(ing)
+
+		f.WaitForNginxServer(host,
+			func(server string) bool {
+				return !strings.Contains(server, "modsecurity_rules_file /etc/nginx/modsecurity/modsecurity.conf;")
+			})
+
+		f.HTTPTestClient().
+			GET("/").
+			WithHeader("Host", host).
+			WithHeader("User-Agent", "block-ua").
+			Expect().
+			Status(http.StatusForbidden)
+	})
 })