Squashed 'k8smain/' content from commit 719158d

git-subtree-dir: k8smain
git-subtree-split: 719158d2c8788c30cc9e1c51bbebb53c5801524e

plugin/pkg/auth/authenticator/request/keystone/doc.go

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+/*
+Copyright 2014 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 keystone provide authentication via keystone.
+// For details //about keystone and how to use the plugin, refer to
+// https://github.com/kubernetes/kubernetes/blob/oidc/docs/admin/authentication.md
+package keystone

plugin/pkg/auth/authenticator/request/keystone/keystone.go

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+/*
+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 keystone
+
+import (
+	"errors"
+	"strings"
+
+	"github.com/golang/glog"
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/openstack"
+	"k8s.io/kubernetes/pkg/auth/user"
+)
+
+// Keystone authenticator contacts openstack keystone to validate user's credentials passed in the request.
+// The keystone endpoint is passed during apiserver startup
+type KeystoneAuthenticator struct {
+	authURL string
+}
+
+func (keystoneAuthenticator *KeystoneAuthenticator) AuthenticatePassword(username string, password string) (user.Info, bool, error) {
+	opts := gophercloud.AuthOptions{
+		IdentityEndpoint: keystoneAuthenticator.authURL,
+		Username:         username,
+		Password:         password,
+	}
+
+	_, err := openstack.AuthenticatedClient(opts)
+	if err != nil {
+		glog.Info("Failed: Starting openstack authenticate client")
+		return nil, false, errors.New("Failed to authenticate")
+	}
+
+	return &user.DefaultInfo{Name: username}, true, nil
+}
+
+// New returns a request authenticator that validates credentials using openstack keystone
+func NewKeystoneAuthenticator(authURL string) (*KeystoneAuthenticator, error) {
+	if !strings.HasPrefix(authURL, "https") {
+		return nil, errors.New("Auth URL should be secure and start with https")
+	}
+	if authURL == "" {
+		return nil, errors.New("Auth URL is empty")
+	}
+
+	return &KeystoneAuthenticator{authURL}, nil
+}