Avoid duplicate error reporting in glusterfs

Signed-off-by: Humble Chirammal <[email protected]>

Author: humblec

pkg/volume/glusterfs/glusterfs.go

@@ -552,8 +552,7 @@ func (plugin *glusterfsPlugin) collectGids(className string, gidTable *MinMaxAll
 	}
 	pvList, err := kubeClient.CoreV1().PersistentVolumes().List(metav1.ListOptions{LabelSelector: labels.Everything().String()})
 	if err != nil {
-		klog.Error("failed to get existing persistent volumes")
-		return err
+		return fmt.Errorf("failed to get existing persistent volumes")
 	}
 
 	for _, pv := range pvList.Items {
@@ -580,8 +579,7 @@ func (plugin *glusterfsPlugin) collectGids(className string, gidTable *MinMaxAll
 		if err == ErrConflict {
 			klog.Warningf("GID %v found in pv %v was already allocated", gid, pvName)
 		} else if err != nil {
-			klog.Errorf("failed to store gid %v found in pv %v: %v", gid, pvName, err)
-			return err
+			return fmt.Errorf("failed to store gid %v found in pv %v: %v", gid, pvName, err)
 		}
 	}
 
@@ -770,7 +768,6 @@ func (p *glusterfsVolumeProvisioner) Provision(selectedNode *v1.Node, allowedTop
 			klog.Errorf("error when releasing GID in storageclass %s: %v", scName, releaseErr)
 		}
 
-		klog.Errorf("failed to create volume: %v", err)
 		return nil, fmt.Errorf("failed to create volume: %v", err)
 	}
 	mode := v1.PersistentVolumeFilesystem
@@ -816,12 +813,10 @@ func (p *glusterfsVolumeProvisioner) CreateVolume(gid int) (r *v1.GlusterfsPersi
 	klog.V(2).Infof("create volume of size %dGiB", sz)
 
 	if p.url == "" {
-		klog.Errorf("REST server endpoint is empty")
 		return nil, 0, "", fmt.Errorf("failed to create glusterfs REST client, REST URL is empty")
 	}
 	cli := gcli.NewClient(p.url, p.user, p.secretValue)
 	if cli == nil {
-		klog.Errorf("failed to create glusterfs REST client")
 		return nil, 0, "", fmt.Errorf("failed to create glusterfs REST client, REST server authentication failed")
 	}
 	if p.provisionerConfig.clusterID != "" {
@@ -845,14 +840,12 @@ func (p *glusterfsVolumeProvisioner) CreateVolume(gid int) (r *v1.GlusterfsPersi
 	volumeReq := &gapi.VolumeCreateRequest{Size: sz, Name: customVolumeName, Clusters: clusterIDs, Gid: gid64, Durability: p.volumeType, GlusterVolumeOptions: p.volumeOptions, Snapshot: snaps}
 	volume, err := cli.VolumeCreate(volumeReq)
 	if err != nil {
-		klog.Errorf("failed to create volume: %v", err)
 		return nil, 0, "", fmt.Errorf("failed to create volume: %v", err)
 	}
 	klog.V(1).Infof("volume with size %d and name %s created", volume.Size, volume.Name)
 	volID = volume.Id
 	dynamicHostIps, err := getClusterNodes(cli, volume.Cluster)
 	if err != nil {
-		klog.Errorf("failed to get cluster nodes for volume %s: %v", volume, err)
 		return nil, 0, "", fmt.Errorf("failed to get cluster nodes for volume %s: %v", volume, err)
 	}
 
@@ -864,7 +857,6 @@ func (p *glusterfsVolumeProvisioner) CreateVolume(gid int) (r *v1.GlusterfsPersi
 	epNamespace := p.options.PVC.Namespace
 	endpoint, service, err := p.createEndpointService(epNamespace, epServiceName, dynamicHostIps, p.options.PVC)
 	if err != nil {
-		klog.Errorf("failed to create endpoint/service %v/%v: %v", epNamespace, epServiceName, err)
 		deleteErr := cli.VolumeDelete(volume.Id)
 		if deleteErr != nil {
 			klog.Errorf("failed to delete volume: %v, manual deletion of the volume required", deleteErr)
@@ -952,7 +944,6 @@ func (d *glusterfsVolumeDeleter) deleteEndpointService(namespace string, epServi
 	}
 	err = kubeClient.CoreV1().Services(namespace).Delete(epServiceName, nil)
 	if err != nil {
-		klog.Errorf("failed to delete service %s/%s: %v", namespace, epServiceName, err)
 		return fmt.Errorf("failed to delete service %s/%s: %v", namespace, epServiceName, err)
 	}
 	klog.V(1).Infof("service/endpoint: %s/%s deleted successfully", namespace, epServiceName)
@@ -985,7 +976,6 @@ func parseSecret(namespace, secretName string, kubeClient clientset.Interface) (
 func getClusterNodes(cli *gcli.Client, cluster string) (dynamicHostIps []string, err error) {
 	clusterinfo, err := cli.ClusterInfo(cluster)
 	if err != nil {
-		klog.Errorf("failed to get cluster details: %v", err)
 		return nil, fmt.Errorf("failed to get cluster details: %v", err)
 	}
 
@@ -995,15 +985,13 @@ func getClusterNodes(cli *gcli.Client, cluster string) (dynamicHostIps []string,
 	for _, node := range clusterinfo.Nodes {
 		nodeInfo, err := cli.NodeInfo(string(node))
 		if err != nil {
-			klog.Errorf("failed to get host ipaddress: %v", err)
 			return nil, fmt.Errorf("failed to get host ipaddress: %v", err)
 		}
 		ipaddr := dstrings.Join(nodeInfo.NodeAddRequest.Hostnames.Storage, "")
 		dynamicHostIps = append(dynamicHostIps, ipaddr)
 	}
 	klog.V(3).Infof("host list :%v", dynamicHostIps)
 	if len(dynamicHostIps) == 0 {
-		klog.Errorf("no hosts found: %v", err)
 		return nil, fmt.Errorf("no hosts found: %v", err)
 	}
 	return dynamicHostIps, nil