Allow a user specified global static ip via annotation.

controllers/gce/controller/tls.go

@@ -0,0 +1,98 @@
+/*
+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 controller
+
+import (
+	"fmt"
+
+	"k8s.io/contrib/ingress/controllers/gce/loadbalancers"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
+
+	"github.com/golang/glog"
+)
+
+// secretLoaders returns a type containing all the secrets of an Ingress.
+type tlsLoader interface {
+	load(ing *extensions.Ingress) (*loadbalancers.TLSCerts, error)
+	validate(certs *loadbalancers.TLSCerts) error
+}
+
+// TODO: Add better cert validation.
+type noOPValidator struct{}
+
+func (n *noOPValidator) validate(certs *loadbalancers.TLSCerts) error {
+	return nil
+}
+
+// apiServerTLSLoader loads TLS certs from the apiserver.
+type apiServerTLSLoader struct {
+	noOPValidator
+	client *client.Client
+}
+
+func (t *apiServerTLSLoader) load(ing *extensions.Ingress) (*loadbalancers.TLSCerts, error) {
+	if len(ing.Spec.TLS) == 0 {
+		return nil, nil
+	}
+	// GCE L7s currently only support a single cert.
+	if len(ing.Spec.TLS) > 1 {
+		glog.Warningf("Ignoring %d certs and taking the first for ingress %v/%v",
+			len(ing.Spec.TLS)-1, ing.Namespace, ing.Name)
+	}
+	secretName := ing.Spec.TLS[0].SecretName
+	// TODO: Replace this for a secret watcher.
+	glog.V(3).Infof("Retrieving secret for ing %v with name %v", ing.Name, secretName)
+	secret, err := t.client.Secrets(ing.Namespace).Get(secretName)
+	if err != nil {
+		return nil, err
+	}
+	cert, ok := secret.Data[api.TLSCertKey]
+	if !ok {
+		return nil, fmt.Errorf("Secret %v has no private key", secretName)
+	}
+	key, ok := secret.Data[api.TLSPrivateKeyKey]
+	if !ok {
+		return nil, fmt.Errorf("Secret %v has no cert", secretName)
+	}
+	certs := &loadbalancers.TLSCerts{Key: string(key), Cert: string(cert)}
+	if err := t.validate(certs); err != nil {
+		return nil, err
+	}
+	return certs, nil
+}
+
+// TODO: Add support for file loading so we can support HTTPS default backends.
+
+// fakeTLSSecretLoader fakes out TLS loading.
+type fakeTLSSecretLoader struct {
+	noOPValidator
+	fakeCerts map[string]*loadbalancers.TLSCerts
+}
+
+func (f *fakeTLSSecretLoader) load(ing *extensions.Ingress) (*loadbalancers.TLSCerts, error) {
+	if len(ing.Spec.TLS) == 0 {
+		return nil, nil
+	}
+	for name, cert := range f.fakeCerts {
+		if ing.Spec.TLS[0].SecretName == name {
+			return cert, nil
+		}
+	}
+	return nil, fmt.Errorf("Couldn't find secret for ingress %v", ing.Name)
+}