K8s CLI example using controller-runtime

k8s.go

package main

import (
        "context"
        "fmt"
        "os"

        "k8s.io/api/core/v1"
        _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
        "sigs.k8s.io/controller-runtime/pkg/client"
        "sigs.k8s.io/controller-runtime/pkg/client/config"
)

func main() {

        cl, err := client.New(config.GetConfigOrDie(), client.Options{})
        if err != nil {
                fmt.Println("failed to create client")
                os.Exit(1)
        }

        podList := &v1.PodList{}

        err = cl.List(context.Background(), client.InNamespace("default"), podList)
        if err != nil {
                fmt.Println("failed to create client")
                os.Exit(1)
        }

        fmt.Println("found podlist :%v", podList)
}