Remove huawei-cloud-provider namespace

Author: chengxiangdong

docs/huawei-cloud-controller-manager-configuration.md

@@ -63,15 +63,19 @@ This section contains network configuration information.
 ## Loadbalancer Configuration
 
 These arguments will be applied when the annotation in the service is empty.
-It needs to be stored in the `loadbalancer-config` ConfigMap under the `huawei-cloud-provider` namespace.
+It needs to be stored in the `loadbalancer-config` ConfigMap in `kube-system` namespace.
+
+> Since v0.26.4, the `huawei-cloud-provider` namespace is no longer used, and `kube-system` is used instead.
+> If you created the `loadbalancer-config` in the `huawei-cloud-provider` namespace, 
+> it will still work, but we recommend that you migrate it to `kube-system`.
 
 Here's an example:
 
 ```yaml
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  namespace: huawei-cloud-provider
+  namespace: kube-system
   name: loadbalancer-config
 data:
   loadBalancerOption: |-

examples/loadbalancers/config.yaml

@@ -1,8 +1,3 @@
-kind: Namespace
-apiVersion: v1
-metadata:
-  name: huawei-cloud-provider
----
 apiVersion: v1
 kind: Secret
 metadata:
@@ -16,7 +11,7 @@ data:
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  namespace: huawei-cloud-provider
+  namespace: kube-system
   name: loadbalancer-config
 data:
   loadBalancerOption: |-

hack/deploy/huawei-cloud-controller-manager.yaml

@@ -1,8 +1,3 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: huawei-cloud-provider
----
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:

manifests/huawei-cloud-controller-manager.yaml

@@ -1,8 +1,3 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: huawei-cloud-provider
----
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -71,6 +66,10 @@ spec:
           resources:
             requests:
               cpu: 200m
+              memory: 100Mi
+            limits:
+              cpu: 2
+              memory: 2Gi
       hostNetwork: true
       volumes:
         - hostPath:

pkg/cloudprovider/huaweicloud/huaweicloud.go

@@ -632,7 +632,7 @@ func (h *CloudProvider) Master(ctx context.Context, clusterName string) (string,
 	return "", nil
 }
 
-//util functions
+// util functions
 
 func IsPodActive(p v1.Pod) bool {
 	if v1.PodSucceeded != p.Status.Phase &&
@@ -979,7 +979,7 @@ func leaderElection(id string, restConfig *rest.Config, recorder record.EventRec
 	retryPeriod := 30 * time.Second
 
 	configmapLock, err := resourcelock.NewFromKubeconfig(resourcelock.ConfigMapsLeasesResourceLock,
-		config.ProviderNamespace,
+		"kube-system",
 		leaseName,
 		resourcelock.ResourceLockConfig{
 			Identity:      fmt.Sprintf("%s_%s", id, string(uuid.NewUUID())),

pkg/config/loadbalancerconfig.go

@@ -21,12 +21,13 @@ import (
 	"encoding/json"
 	"fmt"
 
-	elbmodel "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v2/model"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
 	"k8s.io/client-go/rest"
 	"k8s.io/klog/v2"
 
+	elbmodel "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v2/model"
+
 	"sigs.k8s.io/cloud-provider-huaweicloud/pkg/utils/metadata"
 )
 
@@ -104,10 +105,12 @@ func LoadElbConfigFromCM() (*LoadbalancerConfig, error) {
 		return defaultCfg, err
 	}
 
-	configMap, err := kubeClient.ConfigMaps(ProviderNamespace).
-		Get(context.TODO(), loadbalancerConfigMap, metav1.GetOptions{})
+	configMap, err := kubeClient.ConfigMaps(ProviderNamespace).Get(context.TODO(), loadbalancerConfigMap, metav1.GetOptions{})
 	if err != nil {
-		return defaultCfg, err
+		configMap, err = kubeClient.ConfigMaps("kube-system").Get(context.TODO(), loadbalancerConfigMap, metav1.GetOptions{})
+		if err != nil {
+			return defaultCfg, err
+		}
 	}
 
 	klog.Infof("get loadbalancer options: %v", configMap.Data)