Merge pull request #236 from k8stopologyawareschedwg/kubeconfig-arg

k8s:  add option to set kubeconfig

cmd/resource-topology-exporter/main.go

@@ -52,9 +52,9 @@ func main() {
 		os.Exit(0)
 	}
 
-	k8scli, err := k8shelpers.GetK8sClient("")
+	k8scli, err := k8shelpers.GetK8sClient(parsedArgs.KubeConfig)
 	if err != nil {
-		klog.Fatalf("failed to get k8s client: %w", err)
+		klog.Fatalf("failed to get k8s client: %v", err)
 	}
 
 	cli, cleanup, err := podres.WaitForReady(podres.GetClient(parsedArgs.RTE.PodResourcesSocketPath))

pkg/config/config.go

@@ -44,6 +44,7 @@ type ProgArgs struct {
 	RTE             resourcetopologyexporter.Args
 	Version         bool
 	DumpConfig      string
+	KubeConfig      string
 }
 
 func (pa *ProgArgs) ToJson() ([]byte, error) {
@@ -133,6 +134,7 @@ Special targets:
 . ".andexit" stdout and exit right after.
 . ".log" to dump in the log".`,
 	)
+	flags.StringVar(&pArgs.KubeConfig, "kubeconfig", "", "path to kubeconfig file.")
 
 	err := flags.Parse(args)
 	if err != nil {

test/data/TestDefaults.expected.json

@@ -1 +1 @@
-{"NRTupdater":{"NoPublish":false,"Oneshot":false,"Hostname":"TEST_NODE"},"Resourcemonitor":{"Namespace":"","SysfsRoot":"/sys","ResourceExclude":null,"RefreshNodeResources":false,"PodSetFingerprint":true,"PodSetFingerprintMethod":"with-exclusive-resources","ExposeTiming":false,"PodSetFingerprintStatusFile":"","PodExclude":null,"ExcludeTerminalPods":false},"RTE":{"Debug":false,"ReferenceContainer":{"Namespace":"TEST_NS","PodName":"TEST_POD","ContainerName":"TEST_CONT"},"TopologyManagerPolicy":"","TopologyManagerScope":"","KubeletConfigFile":"/podresources/config.yaml","PodResourcesSocketPath":"unix:///podresources/kubelet.sock","SleepInterval":60000000000,"PodReadinessEnable":true,"NotifyFilePath":"","MaxEventsPerTimeUnit":1,"TimeUnitToLimitEvents":1000000000,"AddNRTOwnerEnable":true,"PrometheusMode":"disabled"},"Version":false,"DumpConfig":""}
+{"NRTupdater":{"NoPublish":false,"Oneshot":false,"Hostname":"TEST_NODE"},"Resourcemonitor":{"Namespace":"","SysfsRoot":"/sys","ResourceExclude":null,"RefreshNodeResources":false,"PodSetFingerprint":true,"PodSetFingerprintMethod":"with-exclusive-resources","ExposeTiming":false,"PodSetFingerprintStatusFile":"","PodExclude":null,"ExcludeTerminalPods":false},"RTE":{"Debug":false,"ReferenceContainer":{"Namespace":"TEST_NS","PodName":"TEST_POD","ContainerName":"TEST_CONT"},"TopologyManagerPolicy":"","TopologyManagerScope":"","KubeletConfigFile":"/podresources/config.yaml","PodResourcesSocketPath":"unix:///podresources/kubelet.sock","SleepInterval":60000000000,"PodReadinessEnable":true,"NotifyFilePath":"","MaxEventsPerTimeUnit":1,"TimeUnitToLimitEvents":1000000000,"AddNRTOwnerEnable":true,"PrometheusMode":"disabled"},"Version":false,"DumpConfig":"","KubeConfig":""}