在google cloud build上使用群集kubernetes配置和客户端go库时出现的问题
我在尝试构建我的应用程序时遇到了一些挑战,该应用程序正在使用golang客户端go库。该应用程序所做的是提供和api,然后将pod部署到kubernetes集群。现在,如果我使用$HOME/.kube/config中的集群外kubernetes(即minikube)配置,应用程序能够成功部署pod。请参阅下面的代码,该代码根据配置路径确定要使用的配置在google cloud build上使用群集kubernetes配置和客户端go库时出现的问题,kubernetes,google-cloud-build,client-go,Kubernetes,Google Cloud Build,Client Go,我在尝试构建我的应用程序时遇到了一些挑战,该应用程序正在使用golang客户端go库。该应用程序所做的是提供和api,然后将pod部署到kubernetes集群。现在,如果我使用$HOME/.kube/config中的集群外kubernetes(即minikube)配置,应用程序能够成功部署pod。请参阅下面的代码,该代码根据配置路径确定要使用的配置 package kubernetesinterface import ( "log" "os" core "k8s.i
package kubernetesinterface
import (
"log"
"os"
core "k8s.io/api/core/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
_ "k8s.io/client-go/plugin/pkg/client/auth" // load auth packages
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
// KubeStruct - struct that uses interface type (useful when testing)
type KubeStruct struct {
clientset kubernetes.Interface
}
// DeployPod - Method that uses a KubeStruct type to deploy deploy simulator pod to kubernetes cluster
func (kube *KubeStruct) DeployPod() bool {
var podObject *core.Pod
podObject = createPodObjects()
_, err := kube.clientset.Core().Pods(podObject.Namespace).Create(podObject)
if err != nil {
log.Println("Failed to create simulator pod: ", err.Error())
return false
}
return true
}
// GetNewClient - function to create a new clientset object to connect to a kubernetes cluster
func GetNewClient() (*KubeStruct, error) {
var kubeConfig *rest.Config
var err error
configPath := os.Getenv("CONFIG_PATH")
if configPath == "" {
log.Println("Using in-cluster configuration")
kubeConfig, err = rest.InClusterConfig()
} else {
log.Println("Using out of cluster config")
kubeConfig, err = clientcmd.BuildConfigFromFlags("", configPath)
}
if err != nil {
log.Println("Error getting configuration ", err.Error())
return nil, err
}
// create clientset for kubernetes cluster
client := KubeStruct{}
client.clientset, err = kubernetes.NewForConfig(kubeConfig)
if err != nil {
log.Println("Error creating clientset for kubernetes cluster ", err.Error())
return nil, err
}
return &client, nil
}
func createPodObjects() *core.Pod {
return &core.Pod{
ObjectMeta: v1.ObjectMeta{
Name: "podname",
Namespace: "default",
Labels: map[string]string{
"app": "podname",
},
},
Spec: core.PodSpec{
Containers: []core.Container{
{
Name: "podname",
Image: os.Getenv("IMAGE"),
ImagePullPolicy: core.PullIfNotPresent,
Command: []string{
"sleep",
"3600",
},
},
},
},
}
}
因此,如果CONFIG_PATH存在一个值,那么应用程序将按预期工作,并在我的minikube集群中部署一个pod。现在,当同一个应用程序在gcp上构建时,我得到以下构建错误
Step #1: 2019/03/13 21:25:20 Error getting configuration unable to load in-cluster configuration, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be defined
我在网上搜索了一个解决方案,但没有成功,所以我想在这里发布。您好,您能澄清一下您使用的是GKE还是GCE以及您的go版本吗?