diff --git a/controllers/helper.go b/controllers/helper.go
index 0b0ac6c27..f0380f671 100644
--- a/controllers/helper.go
+++ b/controllers/helper.go
@@ -39,6 +39,7 @@ import (
 	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/apply"
 	constants "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/consts"
 	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/render"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 )
 
 var webhooks = map[string](string){
@@ -55,8 +56,6 @@ const (
 	trueString                            = "true"
 )
 
-var namespace = os.Getenv("NAMESPACE")
-
 func GetImagePullSecrets() []string {
 	imagePullSecrets := os.Getenv("IMAGE_PULL_SECRETS")
 	if imagePullSecrets != "" {
@@ -85,7 +84,7 @@ func syncPluginDaemonObjs(ctx context.Context, client k8sclient.Client, scheme *
 
 	// render plugin manifests
 	data := render.MakeRenderData()
-	data.Data["Namespace"] = namespace
+	data.Data["Namespace"] = vars.Namespace
 	data.Data["SRIOVDevicePluginImage"] = os.Getenv("SRIOV_DEVICE_PLUGIN_IMAGE")
 	data.Data["ReleaseVersion"] = os.Getenv("RELEASEVERSION")
 	data.Data["ResourcePrefix"] = os.Getenv("RESOURCE_PREFIX")
@@ -94,7 +93,7 @@ func syncPluginDaemonObjs(ctx context.Context, client k8sclient.Client, scheme *
 
 	defaultConfig := &sriovnetworkv1.SriovOperatorConfig{}
 	err := client.Get(ctx, types.NamespacedName{
-		Name: constants.DefaultConfigName, Namespace: namespace}, defaultConfig)
+		Name: constants.DefaultConfigName, Namespace: vars.Namespace}, defaultConfig)
 	if err != nil {
 		return err
 	}
diff --git a/controllers/sriovibnetwork_controller.go b/controllers/sriovibnetwork_controller.go
index 0ffe5fba0..65b66f167 100644
--- a/controllers/sriovibnetwork_controller.go
+++ b/controllers/sriovibnetwork_controller.go
@@ -35,6 +35,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 )
 
 // SriovIBNetworkReconciler reconciles a SriovIBNetwork object
@@ -58,7 +59,7 @@ type SriovIBNetworkReconciler struct {
 // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.8.3/pkg/reconcile
 func (r *SriovIBNetworkReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
 	// The SriovNetwork CR shall only be defined in operator namespace.
-	req.Namespace = namespace
+	req.Namespace = vars.Namespace
 	reqLogger := log.FromContext(ctx).WithValues("sriovnetwork", req.NamespacedName)
 	reqLogger.Info("Reconciling SriovIBNetwork")
 	var err error
diff --git a/controllers/sriovnetwork_controller.go b/controllers/sriovnetwork_controller.go
index f89d524c1..7ef991e93 100644
--- a/controllers/sriovnetwork_controller.go
+++ b/controllers/sriovnetwork_controller.go
@@ -35,6 +35,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 )
 
 // SriovNetworkReconciler reconciles a SriovNetwork object
@@ -57,7 +58,7 @@ type SriovNetworkReconciler struct {
 // For more details, check Reconcile and its Result here:
 // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.8.3/pkg/reconcile
 func (r *SriovNetworkReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	req.Namespace = namespace
+	req.Namespace = vars.Namespace
 	reqLogger := log.FromContext(ctx).WithValues("sriovnetwork", req.NamespacedName)
 
 	reqLogger.Info("Reconciling SriovNetwork")
diff --git a/controllers/sriovnetworknodepolicy_controller.go b/controllers/sriovnetworknodepolicy_controller.go
index 14acc9a8d..fa67a54aa 100644
--- a/controllers/sriovnetworknodepolicy_controller.go
+++ b/controllers/sriovnetworknodepolicy_controller.go
@@ -43,6 +43,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 
 	utils "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/utils"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 
 	dptypes "github.com/k8snetworkplumbingwg/sriov-network-device-plugin/pkg/types"
 
@@ -82,11 +83,11 @@ func (r *SriovNetworkNodePolicyReconciler) Reconcile(ctx context.Context, req ct
 	reqLogger.Info("Reconciling")
 
 	defaultPolicy := &sriovnetworkv1.SriovNetworkNodePolicy{}
-	err := r.Get(ctx, types.NamespacedName{Name: constants.DefaultPolicyName, Namespace: namespace}, defaultPolicy)
+	err := r.Get(ctx, types.NamespacedName{Name: constants.DefaultPolicyName, Namespace: vars.Namespace}, defaultPolicy)
 	if err != nil {
 		if errors.IsNotFound(err) {
 			// Default policy object not found, create it.
-			defaultPolicy.SetNamespace(namespace)
+			defaultPolicy.SetNamespace(vars.Namespace)
 			defaultPolicy.SetName(constants.DefaultPolicyName)
 			defaultPolicy.Spec = sriovnetworkv1.SriovNetworkNodePolicySpec{
 				NumVfs:       0,
@@ -95,7 +96,7 @@ func (r *SriovNetworkNodePolicyReconciler) Reconcile(ctx context.Context, req ct
 			}
 			err = r.Create(ctx, defaultPolicy)
 			if err != nil {
-				reqLogger.Error(err, "Failed to create default Policy", "Namespace", namespace, "Name", constants.DefaultPolicyName)
+				reqLogger.Error(err, "Failed to create default Policy", "Namespace", vars.Namespace, "Name", constants.DefaultPolicyName)
 				return reconcile.Result{}, err
 			}
 			reqLogger.Info("Default policy created")
@@ -125,7 +126,7 @@ func (r *SriovNetworkNodePolicyReconciler) Reconcile(ctx context.Context, req ct
 		"kubernetes.io/os":               "linux",
 	}
 	defaultOpConf := &sriovnetworkv1.SriovOperatorConfig{}
-	if err := r.Get(ctx, types.NamespacedName{Namespace: namespace, Name: constants.DefaultConfigName}, defaultOpConf); err != nil {
+	if err := r.Get(ctx, types.NamespacedName{Namespace: vars.Namespace, Name: constants.DefaultConfigName}, defaultOpConf); err != nil {
 		return reconcile.Result{}, err
 	}
 	if len(defaultOpConf.Spec.ConfigDaemonNodeSelector) > 0 {
@@ -216,7 +217,7 @@ func (r *SriovNetworkNodePolicyReconciler) syncDevicePluginConfigMap(ctx context
 		},
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      constants.ConfigMapName,
-			Namespace: namespace,
+			Namespace: vars.Namespace,
 		},
 		Data: configData,
 	}
@@ -246,14 +247,14 @@ func (r *SriovNetworkNodePolicyReconciler) syncAllSriovNetworkNodeStates(ctx con
 	logger := log.Log.WithName("syncAllSriovNetworkNodeStates")
 	logger.V(1).Info("Start to sync all SriovNetworkNodeState custom resource")
 	found := &corev1.ConfigMap{}
-	if err := r.Get(ctx, types.NamespacedName{Namespace: namespace, Name: constants.ConfigMapName}, found); err != nil {
+	if err := r.Get(ctx, types.NamespacedName{Namespace: vars.Namespace, Name: constants.ConfigMapName}, found); err != nil {
 		logger.V(1).Info("Fail to get", "ConfigMap", constants.ConfigMapName)
 	}
 	for _, node := range nl.Items {
 		logger.V(1).Info("Sync SriovNetworkNodeState CR", "name", node.Name)
 		ns := &sriovnetworkv1.SriovNetworkNodeState{}
 		ns.Name = node.Name
-		ns.Namespace = namespace
+		ns.Namespace = vars.Namespace
 		j, _ := json.Marshal(ns)
 		logger.V(2).Info("SriovNetworkNodeState CR", "content", j)
 		if err := r.syncSriovNetworkNodeState(ctx, np, npl, ns, &node, utils.HashConfigMap(found)); err != nil {
@@ -428,7 +429,7 @@ func (r *SriovNetworkNodePolicyReconciler) renderDevicePluginConfigData(ctx cont
 		}
 
 		nodeState := &sriovnetworkv1.SriovNetworkNodeState{}
-		err := r.Get(ctx, types.NamespacedName{Namespace: namespace, Name: node.Name}, nodeState)
+		err := r.Get(ctx, types.NamespacedName{Namespace: vars.Namespace, Name: node.Name}, nodeState)
 		if err != nil {
 			return rcl, err
 		}
diff --git a/controllers/sriovnetworknodepolicy_controller_test.go b/controllers/sriovnetworknodepolicy_controller_test.go
index bd4579d78..3894f5a93 100644
--- a/controllers/sriovnetworknodepolicy_controller_test.go
+++ b/controllers/sriovnetworknodepolicy_controller_test.go
@@ -18,6 +18,7 @@ import (
 	sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1"
 	v1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1"
 	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/consts"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 )
 
 func TestNodeSelectorMerge(t *testing.T) {
@@ -213,7 +214,7 @@ func TestRenderDevicePluginConfigData(t *testing.T) {
 	reconciler := SriovNetworkNodePolicyReconciler{}
 
 	node := corev1.Node{ObjectMeta: metav1.ObjectMeta{Name: "node1"}}
-	nodeState := sriovnetworkv1.SriovNetworkNodeState{ObjectMeta: metav1.ObjectMeta{Name: node.Name, Namespace: namespace}}
+	nodeState := sriovnetworkv1.SriovNetworkNodeState{ObjectMeta: metav1.ObjectMeta{Name: node.Name, Namespace: vars.Namespace}}
 
 	scheme := runtime.NewScheme()
 	utilruntime.Must(sriovnetworkv1.AddToScheme(scheme))
diff --git a/controllers/sriovoperatorconfig_controller.go b/controllers/sriovoperatorconfig_controller.go
index d6fe28e78..d75371581 100644
--- a/controllers/sriovoperatorconfig_controller.go
+++ b/controllers/sriovoperatorconfig_controller.go
@@ -77,7 +77,7 @@ func (r *SriovOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.
 	}
 	defaultConfig := &sriovnetworkv1.SriovOperatorConfig{}
 	err := r.Get(ctx, types.NamespacedName{
-		Name: consts.DefaultConfigName, Namespace: namespace}, defaultConfig)
+		Name: consts.DefaultConfigName, Namespace: vars.Namespace}, defaultConfig)
 	if err != nil {
 		if apierrors.IsNotFound(err) {
 			singleNode, err := utils.IsSingleNodeCluster(r.Client)
@@ -86,7 +86,7 @@ func (r *SriovOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.
 			}
 
 			// Default Config object not found, create it.
-			defaultConfig.SetNamespace(namespace)
+			defaultConfig.SetNamespace(vars.Namespace)
 			defaultConfig.SetName(consts.DefaultConfigName)
 			defaultConfig.Spec = sriovnetworkv1.SriovOperatorConfigSpec{
 				EnableInjector:           func() *bool { b := vars.EnableAdmissionController; return &b }(),
@@ -100,7 +100,7 @@ func (r *SriovOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.
 			err = r.Create(ctx, defaultConfig)
 			if err != nil {
 				logger.Error(err, "Failed to create default Operator Config", "Namespace",
-					namespace, "Name", consts.DefaultConfigName)
+					vars.Namespace, "Name", consts.DefaultConfigName)
 				return reconcile.Result{}, err
 			}
 			return reconcile.Result{}, nil
@@ -118,13 +118,13 @@ func (r *SriovOperatorConfigReconciler) Reconcile(ctx context.Context, req ctrl.
 	}
 
 	defaultPolicy := &sriovnetworkv1.SriovNetworkNodePolicy{}
-	err = r.Get(ctx, types.NamespacedName{Name: consts.DefaultPolicyName, Namespace: namespace}, defaultPolicy)
+	err = r.Get(ctx, types.NamespacedName{Name: consts.DefaultPolicyName, Namespace: vars.Namespace}, defaultPolicy)
 	if err != nil {
 		// Error reading the object - requeue the request.
 		return reconcile.Result{}, err
 	}
 
-	if req.Namespace != namespace {
+	if req.Namespace != vars.Namespace {
 		return reconcile.Result{}, nil
 	}
 
@@ -173,7 +173,7 @@ func (r *SriovOperatorConfigReconciler) syncConfigDaemonSet(ctx context.Context,
 
 	data := render.MakeRenderData()
 	data.Data["Image"] = os.Getenv("SRIOV_NETWORK_CONFIG_DAEMON_IMAGE")
-	data.Data["Namespace"] = namespace
+	data.Data["Namespace"] = vars.Namespace
 	data.Data["SRIOVCNIImage"] = os.Getenv("SRIOV_CNI_IMAGE")
 	data.Data["SRIOVInfiniBandCNIImage"] = os.Getenv("SRIOV_INFINIBAND_CNI_IMAGE")
 	data.Data["ReleaseVersion"] = os.Getenv("RELEASEVERSION")
@@ -231,7 +231,7 @@ func (r *SriovOperatorConfigReconciler) syncWebhookObjs(ctx context.Context, dc
 	for name, path := range webhooks {
 		// Render Webhook manifests
 		data := render.MakeRenderData()
-		data.Data["Namespace"] = namespace
+		data.Data["Namespace"] = vars.Namespace
 		data.Data["SRIOVMutatingWebhookName"] = name
 		data.Data["NetworkResourcesInjectorImage"] = os.Getenv("NETWORK_RESOURCES_INJECTOR_IMAGE")
 		data.Data["SriovNetworkWebhookImage"] = os.Getenv("SRIOV_NETWORK_WEBHOOK_IMAGE")
diff --git a/controllers/sriovoperatorconfig_controller_test.go b/controllers/sriovoperatorconfig_controller_test.go
index c36b2a91f..a871f69a1 100644
--- a/controllers/sriovoperatorconfig_controller_test.go
+++ b/controllers/sriovoperatorconfig_controller_test.go
@@ -12,6 +12,7 @@ import (
 
 	sriovnetworkv1 "github.com/k8snetworkplumbingwg/sriov-network-operator/api/v1"
 	constants "github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/consts"
+	"github.com/k8snetworkplumbingwg/sriov-network-operator/pkg/vars"
 	util "github.com/k8snetworkplumbingwg/sriov-network-operator/test/util"
 )
 
@@ -19,7 +20,7 @@ var _ = Describe("Operator", func() {
 	var config *sriovnetworkv1.SriovOperatorConfig
 	BeforeEach(func() {
 		defaultPolicy := &sriovnetworkv1.SriovNetworkNodePolicy{}
-		defaultPolicy.SetNamespace(namespace)
+		defaultPolicy.SetNamespace(vars.Namespace)
 		defaultPolicy.SetName(constants.DefaultPolicyName)
 		defaultPolicy.Spec = sriovnetworkv1.SriovNetworkNodePolicySpec{
 			NumVfs:       0,
@@ -30,7 +31,7 @@ var _ = Describe("Operator", func() {
 	})
 	AfterEach(func() {
 		defaultPolicy := &sriovnetworkv1.SriovNetworkNodePolicy{}
-		defaultPolicy.SetNamespace(namespace)
+		defaultPolicy.SetNamespace(vars.Namespace)
 		defaultPolicy.SetName(constants.DefaultPolicyName)
 		Expect(k8sClient.Delete(goctx.TODO(), defaultPolicy)).Should(Succeed())
 	})
diff --git a/pkg/daemon/daemon.go b/pkg/daemon/daemon.go
index 9d4a43e94..c6c845cb0 100644
--- a/pkg/daemon/daemon.go
+++ b/pkg/daemon/daemon.go
@@ -112,8 +112,6 @@ const (
 	annoMcpPaused   = "Draining_MCP_Paused"
 )
 
-var namespace = os.Getenv("NAMESPACE")
-
 // writer implements io.Writer interface as a pass-through for log.Log.
 type writer struct {
 	logFunc func(msg string, keysAndValues ...interface{})
@@ -210,7 +208,7 @@ func (dn *Daemon) Run(stopCh <-chan struct{}, exitCh <-chan error) error {
 	dn.mu = &sync.Mutex{}
 	informerFactory := sninformer.NewFilteredSharedInformerFactory(dn.client,
 		time.Second*15,
-		namespace,
+		vars.Namespace,
 		func(lo *metav1.ListOptions) {
 			lo.FieldSelector = metadataKey + "=" + vars.NodeName
 			lo.TimeoutSeconds = &timeout
@@ -227,7 +225,7 @@ func (dn *Daemon) Run(stopCh <-chan struct{}, exitCh <-chan error) error {
 
 	cfgInformerFactory := sninformer.NewFilteredSharedInformerFactory(dn.client,
 		time.Second*30,
-		namespace,
+		vars.Namespace,
 		func(lo *metav1.ListOptions) {
 			lo.FieldSelector = metadataKey + "=" + "default"
 		},
@@ -410,7 +408,7 @@ func (dn *Daemon) nodeStateSyncHandler() error {
 	// Get the latest NodeState
 	var latestState *sriovnetworkv1.SriovNetworkNodeState
 	var sriovResult = &systemd.SriovResult{SyncStatus: consts.SyncStatusSucceeded, LastSyncError: ""}
-	latestState, err = dn.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
+	latestState, err = dn.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
 	if err != nil {
 		log.Log.Error(err, "nodeStateSyncHandler(): Failed to fetch node state", "name", vars.NodeName)
 		return err
@@ -502,7 +500,7 @@ func (dn *Daemon) nodeStateSyncHandler() error {
 	// we need to load the latest status to our object
 	// if we don't do it we can have a race here where the user remove the virtual functions but the operator didn't
 	// trigger the refresh
-	updatedState, err := dn.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
+	updatedState, err := dn.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
 	if err != nil {
 		log.Log.Error(err, "nodeStateSyncHandler(): Failed to fetch node state", "name", vars.NodeName)
 		return err
@@ -733,7 +731,7 @@ func (dn *Daemon) restartDevicePluginPod() error {
 	log.Log.V(2).Info("restartDevicePluginPod(): try to restart device plugin pod")
 
 	var podToDelete string
-	pods, err := dn.kubeClient.CoreV1().Pods(namespace).List(context.Background(), metav1.ListOptions{
+	pods, err := dn.kubeClient.CoreV1().Pods(vars.Namespace).List(context.Background(), metav1.ListOptions{
 		LabelSelector: "app=sriov-device-plugin",
 		FieldSelector: "spec.nodeName=" + vars.NodeName,
 	})
@@ -753,7 +751,7 @@ func (dn *Daemon) restartDevicePluginPod() error {
 	podToDelete = pods.Items[0].Name
 
 	log.Log.V(2).Info("restartDevicePluginPod(): Found device plugin pod, deleting it", "pod-name", podToDelete)
-	err = dn.kubeClient.CoreV1().Pods(namespace).Delete(context.Background(), podToDelete, metav1.DeleteOptions{})
+	err = dn.kubeClient.CoreV1().Pods(vars.Namespace).Delete(context.Background(), podToDelete, metav1.DeleteOptions{})
 	if errors.IsNotFound(err) {
 		log.Log.Info("restartDevicePluginPod(): pod to delete not found")
 		return nil
@@ -764,7 +762,7 @@ func (dn *Daemon) restartDevicePluginPod() error {
 	}
 
 	if err := wait.PollImmediateUntil(3*time.Second, func() (bool, error) {
-		_, err := dn.kubeClient.CoreV1().Pods(namespace).Get(context.Background(), podToDelete, metav1.GetOptions{})
+		_, err := dn.kubeClient.CoreV1().Pods(vars.Namespace).Get(context.Background(), podToDelete, metav1.GetOptions{})
 		if errors.IsNotFound(err) {
 			log.Log.Info("restartDevicePluginPod(): device plugin pod exited")
 			return true, nil
@@ -875,7 +873,7 @@ func (dn *Daemon) getDrainLock(ctx context.Context, done chan bool) {
 	lock := &resourcelock.LeaseLock{
 		LeaseMeta: metav1.ObjectMeta{
 			Name:      "config-daemon-draining-lock",
-			Namespace: namespace,
+			Namespace: vars.Namespace,
 		},
 		Client: dn.kubeClient.CoordinationV1(),
 		LockConfig: resourcelock.ResourceLockConfig{
@@ -1052,7 +1050,7 @@ func (dn *Daemon) drainNode() error {
 // TODO: move this to host interface
 func (dn *Daemon) tryCreateSwitchdevUdevRule() error {
 	log.Log.V(2).Info("tryCreateSwitchdevUdevRule()")
-	nodeState, nodeStateErr := dn.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).Get(
+	nodeState, nodeStateErr := dn.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).Get(
 		context.Background(),
 		vars.NodeName,
 		metav1.GetOptions{},
diff --git a/pkg/daemon/daemon_test.go b/pkg/daemon/daemon_test.go
index b804888fa..e81f7b677 100644
--- a/pkg/daemon/daemon_test.go
+++ b/pkg/daemon/daemon_test.go
@@ -30,7 +30,7 @@ import (
 var FakeSupportedNicIDs corev1.ConfigMap = corev1.ConfigMap{
 	ObjectMeta: metav1.ObjectMeta{
 		Name:      sriovnetworkv1.SupportedNicIDConfigmap,
-		Namespace: namespace,
+		Namespace: vars.Namespace,
 	},
 	Data: map[string]string{
 		"Intel_i40e_XXV710":      "8086 158a 154c",
@@ -41,7 +41,7 @@ var FakeSupportedNicIDs corev1.ConfigMap = corev1.ConfigMap{
 var SriovDevicePluginPod corev1.Pod = corev1.Pod{
 	ObjectMeta: metav1.ObjectMeta{
 		Name:      "sriov-device-plugin-xxxx",
-		Namespace: namespace,
+		Namespace: vars.Namespace,
 		Labels: map[string]string{
 			"app": "sriov-device-plugin",
 		},
@@ -110,7 +110,7 @@ var _ = Describe("Config Daemon", func() {
 		kubeClient := fakek8s.NewSimpleClientset(&FakeSupportedNicIDs, &SriovDevicePluginPod)
 		client := fakesnclientset.NewSimpleClientset()
 
-		err = sriovnetworkv1.InitNicIDMapFromConfigMap(kubeClient, namespace)
+		err = sriovnetworkv1.InitNicIDMapFromConfigMap(kubeClient, vars.Namespace)
 		Expect(err).ToNot(HaveOccurred())
 
 		er := NewEventRecorder(client, kubeClient)
@@ -203,7 +203,7 @@ var _ = Describe("Config Daemon", func() {
 			Expect(msg.syncStatus).To(Equal("Succeeded"))
 
 			Eventually(func() (int, error) {
-				podList, err := sut.kubeClient.CoreV1().Pods(namespace).List(context.Background(), metav1.ListOptions{
+				podList, err := sut.kubeClient.CoreV1().Pods(vars.Namespace).List(context.Background(), metav1.ListOptions{
 					LabelSelector: "app=sriov-device-plugin",
 					FieldSelector: "spec.nodeName=test-node",
 				})
@@ -260,14 +260,14 @@ var _ = Describe("Config Daemon", func() {
 
 func createSriovNetworkNodeState(c snclientset.Interface, nodeState *sriovnetworkv1.SriovNetworkNodeState) error {
 	_, err := c.SriovnetworkV1().
-		SriovNetworkNodeStates(namespace).
+		SriovNetworkNodeStates(vars.Namespace).
 		Create(context.Background(), nodeState, metav1.CreateOptions{})
 	return err
 }
 
 func updateSriovNetworkNodeState(c snclientset.Interface, nodeState *sriovnetworkv1.SriovNetworkNodeState) error {
 	_, err := c.SriovnetworkV1().
-		SriovNetworkNodeStates(namespace).
+		SriovNetworkNodeStates(vars.Namespace).
 		Update(context.Background(), nodeState, metav1.UpdateOptions{})
 	return err
 }
diff --git a/pkg/daemon/event_recorder.go b/pkg/daemon/event_recorder.go
index ed9b34ee7..25b2d2351 100644
--- a/pkg/daemon/event_recorder.go
+++ b/pkg/daemon/event_recorder.go
@@ -36,7 +36,7 @@ func NewEventRecorder(c snclientset.Interface, kubeclient kubernetes.Interface)
 
 // SendEvent Send an Event on the NodeState object
 func (e *EventRecorder) SendEvent(eventType string, msg string) {
-	nodeState, err := e.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
+	nodeState, err := e.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
 	if err != nil {
 		log.Log.V(2).Error(err, "SendEvent(): Failed to fetch node state, skip SendEvent", "name", vars.NodeName)
 		return
diff --git a/pkg/daemon/writer.go b/pkg/daemon/writer.go
index 1a83c77d8..c796546ef 100644
--- a/pkg/daemon/writer.go
+++ b/pkg/daemon/writer.go
@@ -150,7 +150,7 @@ func (w *NodeStateStatusWriter) updateNodeStateStatusRetry(f func(*sriovnetworkv
 		lastError = n.Status.LastSyncError
 
 		var err error
-		nodeState, err = w.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).UpdateStatus(context.Background(), n, metav1.UpdateOptions{})
+		nodeState, err = w.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).UpdateStatus(context.Background(), n, metav1.UpdateOptions{})
 		if err != nil {
 			log.Log.V(0).Error(err, "updateNodeStateStatusRetry(): fail to update the node status")
 		}
@@ -207,7 +207,7 @@ func (w *NodeStateStatusWriter) getNodeState() (*sriovnetworkv1.SriovNetworkNode
 	var lastErr error
 	var n *sriovnetworkv1.SriovNetworkNodeState
 	err := wait.PollImmediate(10*time.Second, 5*time.Minute, func() (bool, error) {
-		n, lastErr = w.client.SriovnetworkV1().SriovNetworkNodeStates(namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
+		n, lastErr = w.client.SriovnetworkV1().SriovNetworkNodeStates(vars.Namespace).Get(context.Background(), vars.NodeName, metav1.GetOptions{})
 		if lastErr == nil {
 			return true, nil
 		}
diff --git a/pkg/vars/vars.go b/pkg/vars/vars.go
index a34cab8af..ebc49fa25 100644
--- a/pkg/vars/vars.go
+++ b/pkg/vars/vars.go
@@ -57,6 +57,9 @@ var (
 
 	// PfPhysPortNameRe regex to find switchdev devices on the host
 	PfPhysPortNameRe = regexp.MustCompile(`p\d+`)
+
+	// Namespace contains k8s namespace
+	Namespace = ""
 )
 
 func init() {
@@ -79,4 +82,6 @@ func init() {
 	if enableAdmissionController == "True" {
 		EnableAdmissionController = true
 	}
+
+	Namespace = os.Getenv("NAMESPACE")
 }