mirror of
https://github.com/weaveworks/scope.git
synced 2026-07-28 17:51:21 +00:00
710d665c41
Upgraded from 99c19923, branch release-3.0. This required fetching or upgrading the following: * k8s.io/api to kubernetes-1.9.1 * k8s.io/apimachinery to kubernetes-1.9.1 * github.com/juju/ratelimit to 1.0.1 * github.com/spf13/pflag to 4c012f6d Also, update Scope's imports/function calls to be compatible with the new client.
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Note: the example only works with the code within the same release/branch.
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package main
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import (
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"fmt"
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"time"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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)
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func main() {
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// creates the in-cluster config
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config, err := rest.InClusterConfig()
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if err != nil {
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panic(err.Error())
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}
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// creates the clientset
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clientset, err := kubernetes.NewForConfig(config)
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if err != nil {
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panic(err.Error())
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}
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for {
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pods, err := clientset.CoreV1().Pods("").List(metav1.ListOptions{})
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if err != nil {
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panic(err.Error())
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}
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fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))
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// Examples for error handling:
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// - Use helper functions like e.g. errors.IsNotFound()
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// - And/or cast to StatusError and use its properties like e.g. ErrStatus.Message
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_, err = clientset.CoreV1().Pods("default").Get("example-xxxxx", metav1.GetOptions{})
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if errors.IsNotFound(err) {
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fmt.Printf("Pod not found\n")
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} else if statusError, isStatus := err.(*errors.StatusError); isStatus {
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fmt.Printf("Error getting pod %v\n", statusError.ErrStatus.Message)
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} else if err != nil {
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panic(err.Error())
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} else {
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fmt.Printf("Found pod\n")
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}
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time.Sleep(10 * time.Second)
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}
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}
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