/
client_set.go
61 lines (51 loc) · 1.4 KB
/
client_set.go
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package config
import (
"flag"
"k8s.io/client-go/discovery"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
"log"
"path/filepath"
"sync"
)
var config *rest.Config
var once sync.Once
// GetKubeConfig returns rest config for kubernetes.
func GetKubeConfig() *rest.Config {
var config *rest.Config
var err error
if IsK8 == "True" {
config, err = clientcmd.BuildConfigFromFlags("", "")
} else {
if home := homedir.HomeDir(); home != "" {
kubeconfig := flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")
config, err = clientcmd.BuildConfigFromFlags("", *kubeconfig)
} else {
config, err = clientcmd.BuildConfigFromFlags("", "")
}
}
if err != nil {
panic(err)
}
return config
}
// GetClientSet returns k8s clientSets
func GetClientSet() (*kubernetes.Clientset, dynamic.Interface, *discovery.DiscoveryClient) {
once.Do(func() {
config = GetKubeConfig()
})
kcs, kcsErr := kubernetes.NewForConfig(config)
if kcsErr != nil {
log.Printf("failed to create pipeline clientset: %s", kcsErr)
}
dynamicClient, err := dynamic.NewForConfig(config)
if err != nil {
log.Println(err.Error())
return nil, nil, nil
}
discoveryClient := discovery.NewDiscoveryClient(kcs.RESTClient())
return kcs, dynamicClient, discoveryClient
}