EnvVar: v1.EnvVar{Name: name, Value: value},
			}
			envs = append(envs, envVar)
		}
	}
	return envs
}

// MergeKubeadmEnvVars merges values of environment variable slices.
// The values defined in later slices overwrite values in previous ones.
func MergeKubeadmEnvVars(envList ...[]kubeadmapi.EnvVar) []v1.EnvVar {
	m := make(map[string]v1.EnvVar)
	merged := []v1.EnvVar{}
	for _, envs := range envList {

	v1 "k8s.io/api/core/v1"

	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
)

func TestMergeKubeadmEnvVars(t *testing.T) {
	baseEnv := []kubeadmapi.EnvVar{}
	extraEnv := []kubeadmapi.EnvVar{}
	MergeKubeadmEnvVars(append(baseEnv, extraEnv...))
	var tests = []struct {
		name      string
		proxyEnv  []kubeadmapi.EnvVar
		extraEnv  []kubeadmapi.EnvVar
		mergedEnv []v1.EnvVar
	}{
		{

			Resources:       staticpodutil.ComponentResources("250m"),
			Env:             kubeadmutil.MergeKubeadmEnvVars(proxyEnvs, cfg.APIServer.ExtraEnvs),
		}, mounts.GetVolumes(kubeadmconstants.KubeAPIServer),
			map[string]string{kubeadmconstants.KubeAPIServerAdvertiseAddressEndpointAnnotationKey: endpoint.String()}),

	}
	// Propagate the http/https proxy host environment variables to the container
	env := &kubeproxyDaemonSet.Spec.Template.Spec.Containers[0].Env
	*env = append(*env, kubeadmutil.MergeKubeadmEnvVars(kubeadmutil.GetProxyEnvVars())...)

	// Create the DaemonSet for kube-proxy or update it in case it already exists
	return []byte(""), apiclient.CreateOrUpdateDaemonSet(client, kubeproxyDaemonSet)

			StartupProbe:   staticpodutil.StartupProbe(probeHostname, "/readyz", probePort, probeScheme, componentHealthCheckTimeout),
			Env:            kubeadmutil.MergeKubeadmEnvVars(cfg.Etcd.Local.ExtraEnvs),
		},
		etcdMounts,
		// etcd will listen on the advertise address of the API server, in a different port (2379)