Merge pull request #23 from caesarxuchao/addback-examples

Add back examples

examples/in-cluster/main.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 (
+	"fmt"
+	"time"
+
+	"k8s.io/client-go/1.4/kubernetes"
+	"k8s.io/client-go/1.4/pkg/api"
+	"k8s.io/client-go/1.4/rest"
+)
+
+func main() {
+	// creates the in-cluster config
+	config, err := rest.InClusterConfig()
+	if err != nil {
+		panic(err.Error())
+	}
+	// creates the clientset
+	clientset, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		panic(err.Error())
+	}
+	for {
+		pods, err := clientset.Core().Pods("").List(api.ListOptions{})
+		if err != nil {
+			panic(err.Error())
+		}
+		fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))
+		time.Sleep(10 * time.Second)
+	}
+}

examples/out-of-cluster/main.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 (
+	"flag"
+	"fmt"
+	"time"
+
+	"k8s.io/client-go/1.4/kubernetes"
+	"k8s.io/client-go/1.4/pkg/api"
+	"k8s.io/client-go/1.4/tools/clientcmd"
+)
+
+var (
+	kubeconfig = flag.String("kubeconfig", "./config", "absolute path to the kubeconfig file")
+)
+
+func main() {
+	flag.Parse()
+	// uses the current context in kubeconfig
+	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)
+	if err != nil {
+		panic(err.Error())
+	}
+	// creates the clientset
+	clientset, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		panic(err.Error())
+	}
+	for {
+		pods, err := clientset.Core().Pods("").List(api.ListOptions{})
+		if err != nil {
+			panic(err.Error())
+		}
+		fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))
+		time.Sleep(10 * time.Second)
+	}
+}