gkarthiks / k8s-discovery Goto Github PK

package k8s

import (
	"fmt"

	discovery "github.com/gkarthiks/k8s-discovery"
)

var (
	k8s *discovery.K8s
)

// GetKubernetesConnection tries to create a connection either from a local .kube/config file or from in-cluster service account
func GetKubernetesConnection() {
	k8s, _ = discovery.NewK8s()

	namespace, _ := k8s.GetNamespace()
	fmt.Printf("Specified Namespace: %s\n", namespace)

	version, _ := k8s.GetVersion()
	fmt.Printf("Version of running Kubernetes: %s\n", version)
}

INFO[0000] Program running from outside of the cluster  
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1d82986]

goroutine 1 [running]:
github.com/gkarthiks/k8s-discovery.(*K8s).GetVersion(0x0, 0x2185a60, 0xc00037e1f0, 0x10436e7, 0x2aa56c0)
        /Users/ringods/Projects/golang/pkg/mod/github.com/gkarthiks/[email protected]/discovery.go:69 +0x26
github.com/cumundi/sqe-processing/pkg/k8s.GetKubernetesConnection()
        /Users/ringods/Projects/cumundi/sqe-processing/pkg/k8s/runner.go:17 +0x43
main.main()
        /Users/ringods/Projects/cumundi/sqe-processing/pkg/cmd/sqe-starter/main.go:19 +0x20

func getClientset() (*kubernetes.Clientset, error) {
        config, err := rest.InClusterConfig()
        if err != nil {
                kubeconfig :=
                        clientcmd.NewDefaultClientConfigLoadingRules().GetDefaultFilename()
                config, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
                if err != nil {
                        return nil, err
                }
        }
        return kubernetes.NewForConfig(config)
}