temp commit

vendor/github.com/projectcalico/libcalico-go/lib/backend/client.go

@@ -0,0 +1,41 @@
+// Copyright (c) 2016 Tigera, Inc. 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 backend
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/projectcalico/libcalico-go/lib/apiconfig"
+	bapi "github.com/projectcalico/libcalico-go/lib/backend/api"
+	"github.com/projectcalico/libcalico-go/lib/backend/etcdv3"
+	"github.com/projectcalico/libcalico-go/lib/backend/k8s"
+	log "github.com/sirupsen/logrus"
+)
+
+// NewClient creates a new backend datastore client.
+func NewClient(config apiconfig.CalicoAPIConfig) (c bapi.Client, err error) {
+	log.Debugf("Using datastore type '%s'", config.Spec.DatastoreType)
+	switch config.Spec.DatastoreType {
+	case apiconfig.EtcdV3:
+		c, err = etcdv3.NewEtcdV3Client(&config.Spec.EtcdConfig)
+	case apiconfig.Kubernetes:
+		c, err = k8s.NewKubeClient(&config.Spec)
+	default:
+		err = errors.New(fmt.Sprintf("Unknown datastore type: %v",
+			config.Spec.DatastoreType))
+	}
+	return
+}