Add test to verify SSL certificate creation

controllers/nginx/README.md

@@ -224,4 +224,4 @@ The previous behavior can be restored using `retry-non-idempotent=true` in the c
 
 ## Limitations
 
-TODO
+- Ingress rules for TLS require the definition of the field `host`

controllers/nginx/controller.go

@@ -68,6 +68,9 @@ type loadBalancerController struct {
 	recorder record.EventRecorder
 
 	syncQueue *taskQueue
+
+	// taskQueue used to update the status of the Ingress rules.
+	// this avoids a sync execution in the ResourceEventHandlerFuncs
 	ingQueue *taskQueue
 
 	// stopLock is used to enforce only a single call to Stop is active.
@@ -99,7 +102,7 @@ func newLoadBalancerController(kubeClient *client.Client, resyncPeriod time.Dura
 	}
 
 	lbc.syncQueue = NewTaskQueue(lbc.sync)
-	lbc.ingQueue = NewTaskQueue(lbc.syncIngress)
+	lbc.ingQueue = NewTaskQueue(lbc.updateIngressStatus)
 
 	ingEventHandler := framework.ResourceEventHandlerFuncs{
 		AddFunc: func(obj interface{}) {
@@ -239,7 +242,7 @@ func (lbc *loadBalancerController) sync(key string) {
 	})
 }
 
-func (lbc *loadBalancerController) syncIngress(key string) {
+func (lbc *loadBalancerController) updateIngressStatus(key string) {
 	if !lbc.controllersInSync() {
 		lbc.ingQueue.requeue(key, fmt.Errorf("deferring sync till endpoints controller has synced"))
 		return
@@ -251,7 +254,10 @@ func (lbc *loadBalancerController) syncIngress(key string) {
 		return
 	}
 
-	if ingExists {
+	if !ingExists {
+		return
+	}
+
 	ing := obj.(*extensions.Ingress)
 
 	ingClient := lbc.client.Extensions().Ingress(ing.Namespace)
@@ -263,7 +269,7 @@ func (lbc *loadBalancerController) syncIngress(key string) {
 	}
 
 	lbIPs := ing.Status.LoadBalancer.Ingress
-		if len(lbIPs) > 0 && !lbc.isStatusIPDefined(lbIPs) {
+	if !lbc.isStatusIPDefined(lbIPs) {
 		glog.Infof("Updating loadbalancer %v/%v with IP %v", ing.Namespace, ing.Name, lbc.lbInfo.Address)
 		currIng.Status.LoadBalancer.Ingress = append(currIng.Status.LoadBalancer.Ingress, api.LoadBalancerIngress{
 			IP: lbc.lbInfo.Address,
@@ -275,7 +281,6 @@ func (lbc *loadBalancerController) syncIngress(key string) {
 
 		lbc.recorder.Eventf(currIng, api.EventTypeNormal, "CREATE", "ip: %v", lbc.lbInfo.Address)
 	}
-	}
 }
 
 func (lbc *loadBalancerController) isStatusIPDefined(lbings []api.LoadBalancerIngress) bool {
@@ -587,10 +592,14 @@ func (lbc *loadBalancerController) getPemsFromIngress(data []interface{}) map[st
 				continue
 			}
 
-			pemFileName := lbc.nginx.AddOrUpdateCertAndKey(secretName, string(cert), string(key))
+			pemFileName, err := lbc.nginx.AddOrUpdateCertAndKey(fmt.Sprintf("%v-%v", ing.Namespace, secretName), string(cert), string(key))
+			if err != nil {
+				glog.Errorf("No valid SSL certificate found in secret %v: %v", secretName, err)
+				continue
+			}
 			cn, err := lbc.nginx.CheckSSLCertificate(pemFileName)
 			if err != nil {
-				glog.Warningf("No valid SSL certificate found in secret %v", secretName)
+				glog.Errorf("No valid SSL certificate found in secret %v: %v", secretName, err)
 				continue
 			}
 

controllers/nginx/nginx/main.go

@@ -77,7 +77,9 @@ const (
 	// Size of the SSL shared cache between all worker processes.
 	// http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_cache
 	sslSessionCacheSize = "10m"
+)
 
+var (
 	// Base directory that contains the mounted secrets with SSL certificates, keys and
 	sslDirectory = "/etc/nginx-ssl"
 )

controllers/nginx/nginx/ssl.go

@@ -27,21 +27,21 @@ import (
 )
 
 // AddOrUpdateCertAndKey creates a .pem file wth the cert and the key with the specified name
-func (nginx *Manager) AddOrUpdateCertAndKey(name string, cert string, key string) string {
+func (nginx *Manager) AddOrUpdateCertAndKey(name string, cert string, key string) (string, error) {
 	pemFileName := sslDirectory + "/" + name + ".pem"
 
 	pem, err := os.Create(pemFileName)
 	if err != nil {
-		glog.Fatalf("Couldn't create pem file %v: %v", pemFileName, err)
+		return "", fmt.Errorf("Couldn't create pem file %v: %v", pemFileName, err)
 	}
 	defer pem.Close()
 
-	_, err = pem.WriteString(fmt.Sprintf("%v\n%v", key, cert))
+	_, err = pem.WriteString(fmt.Sprintf("%v\n%v", cert, key))
 	if err != nil {
-		glog.Fatalf("Couldn't write to pem file %v: %v", pemFileName, err)
+		return "", fmt.Errorf("Couldn't write to pem file %v: %v", pemFileName, err)
 	}
 
-	return pemFileName
+	return pemFileName, nil
 }
 
 // CheckSSLCertificate checks if the certificate and key file are valid

controllers/nginx/nginx/ssl_test.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 nginx
+
+import (
+	"encoding/base64"
+	"fmt"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestAddOrUpdateCertAndKey(t *testing.T) {
+	sslDirectory = os.TempDir()
+	// openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /tmp/tls.key -out /tmp/tls.crt -subj "/CN=echoheaders/O=echoheaders"
+	tlsCrt := "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"
+	tlsKey := "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"
+
+	dCrt, err := base64.StdEncoding.DecodeString(tlsCrt)
+	if err != nil {
+		t.Fatalf("Unexpected error: %+v", err)
+		return
+	}
+
+	dKey, err := base64.StdEncoding.DecodeString(tlsKey)
+	if err != nil {
+		t.Fatalf("Unexpected error: %+v", err)
+	}
+
+	ngx := &Manager{}
+
+	name := fmt.Sprintf("test-%v", time.Now().UnixNano())
+	pemPath, err := ngx.AddOrUpdateCertAndKey(name, string(dCrt), string(dKey))
+	if err != nil {
+		t.Fatalf("unexpected error checking SSL certificate: %v", err)
+	}
+
+	if pemPath == "" {
+		t.Fatalf("expected path to pem file but returned empty")
+	}
+
+	cnames, err := ngx.CheckSSLCertificate(pemPath)
+	if err != nil {
+		t.Fatalf("unexpected error checking SSL certificate: %v", err)
+	}
+
+	if len(cnames) == 0 {
+		t.Fatalf("expected at least one cname but none returned")
+	}
+
+	if cnames[0] != "echoheaders" {
+		t.Fatalf("expected cname echoheaders but %v returned", cnames[0])
+	}
+}