Adding an example apiserver

examples/apiserver/server.go

@@ -0,0 +1,78 @@
+/*
+Copyright 2016 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 main
+
+import (
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/cmd/libs/go2idl/client-gen/testdata/apis/testgroup/v1"
+	testgroupetcd "k8s.io/kubernetes/examples/apiserver/rest"
+	"k8s.io/kubernetes/pkg/api/rest"
+	"k8s.io/kubernetes/pkg/apimachinery"
+	"k8s.io/kubernetes/pkg/apimachinery/registered"
+	"k8s.io/kubernetes/pkg/genericapiserver"
+	etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
+
+	// Install the testgroup API
+	_ "k8s.io/kubernetes/cmd/libs/go2idl/client-gen/testdata/apis/testgroup/install"
+)
+
+func newStorageDestinations(groupName string, groupMeta *apimachinery.GroupMeta) (*genericapiserver.StorageDestinations, error) {
+	storageDestinations := genericapiserver.NewStorageDestinations()
+	var storageConfig etcdstorage.EtcdConfig
+	storageConfig.ServerList = []string{"http://127.0.0.1:4001"}
+	storageConfig.Prefix = genericapiserver.DefaultEtcdPathPrefix
+	storageConfig.Codec = groupMeta.Codec
+	storageInterface, err := storageConfig.NewStorage()
+	if err != nil {
+		return nil, err
+	}
+	storageDestinations.AddAPIGroup(groupName, storageInterface)
+	return &storageDestinations, nil
+}
+
+func main() {
+	config := genericapiserver.Config{
+		EnableIndex:    true,
+		APIPrefix:      "/api",
+		APIGroupPrefix: "/apis",
+	}
+	s := genericapiserver.New(&config)
+
+	groupVersion := v1.SchemeGroupVersion
+	groupName := groupVersion.Group
+	groupMeta, err := registered.Group(groupName)
+	if err != nil {
+		glog.Fatalf("%v", err)
+	}
+	storageDestinations, err := newStorageDestinations(groupName, groupMeta)
+	if err != nil {
+		glog.Fatalf("Unable to init etcd: %v", err)
+	}
+	restStorageMap := map[string]rest.Storage{
+		"testtypes": testgroupetcd.NewREST(storageDestinations.Get(groupName, "testtype"), s.StorageDecorator()),
+	}
+	apiGroupInfo := genericapiserver.APIGroupInfo{
+		GroupMeta: *groupMeta,
+		VersionedResourcesStorageMap: map[string]map[string]rest.Storage{
+			groupVersion.Version: restStorageMap,
+		},
+	}
+	if err := s.InstallAPIGroups([]genericapiserver.APIGroupInfo{apiGroupInfo}); err != nil {
+		glog.Fatalf("Error in installing API: %v", err)
+	}
+	s.Run(genericapiserver.NewServerRunOptions())
+}