*: support the x.x.x.x:/dbbackup nfs address. #716

api/v1alpha1/mysqlcluster_webhook.go

@@ -91,11 +91,16 @@ func (r *MysqlCluster) ValidateDelete() error {
 	return nil
 }
 
-// TODO: Add NFSServerAddress webhook & backup schedule.
+// Add NFSServerAddress webhook & backup schedule.
 func (r *MysqlCluster) validateNFSServerAddress(oldCluster *MysqlCluster) error {
-	isIP := net.ParseIP(r.Spec.NFSServerAddress) != nil
+	//nfsaddress format is x.x.x.x:/yyy such as 10.233.55.172:/backup
+	ipStr := strings.Split(r.Spec.NFSServerAddress, ":")
+	if len(r.Spec.NFSServerAddress) != 0 && len(ipStr) == 0 {
+		return apierrors.NewForbidden(schema.GroupResource{}, "", fmt.Errorf("nfsServerAddress should be set as IP:/PATH or IP"))
+	}
+	isIP := net.ParseIP(ipStr[0]) != nil
 	if len(r.Spec.NFSServerAddress) != 0 && !isIP {
-		return apierrors.NewForbidden(schema.GroupResource{}, "", fmt.Errorf("nfsServerAddress should be set as IP"))
+		return apierrors.NewForbidden(schema.GroupResource{}, "", fmt.Errorf("nfsServerAddress should be set as  IP:/PATH or IP"))
 	}
 	if len(r.Spec.BackupSchedule) != 0 && len(r.Spec.BackupSecretName) == 0 && !isIP {
 		return apierrors.NewForbidden(schema.GroupResource{}, "", fmt.Errorf("backupSchedule is set without any backupSecretName or nfsServerAddress"))

backup/syncer/job.go

@@ -135,14 +135,16 @@ func (s *jobSyncer) ensurePodSpec(in corev1.PodSpec) corev1.PodSpec {
 	in.Containers[0].Image = fmt.Sprintf("%s%s", mysqlcluster.GetPrefixFromEnv(), s.backup.Spec.Image)
 	in.ServiceAccountName = s.backup.Spec.ClusterName
 	if len(s.backup.Spec.NFSServerAddress) != 0 {
+		//parse NFSServerAddress to IP:/Path
+		ip, path := utils.ParseIPAndPath(s.backup.Spec.NFSServerAddress)
 		// add volumn about pvc
 		in.Volumes = []corev1.Volume{
 			{
 				Name: utils.XtrabackupPV,
 				VolumeSource: corev1.VolumeSource{
 					NFS: &corev1.NFSVolumeSource{
-						Server: s.backup.Spec.NFSServerAddress,
-						Path:   "/",
+						Server: ip,
+						Path:   path,
 					},
 				},
 			},

config/samples/nfs_server.yaml

@@ -14,7 +14,7 @@ spec:
       containers:
       - name: nfs-server
         ## TODO: radondb/volume-nfs:0.8
-        image: k8s.gcr.io/volume-nfs:0.8
+        image: gcr.azk8s.cn/google_containers/volume-nfs:0.8
         ports:
           - name: nfs
             containerPort: 2049

mysqlcluster/mysqlcluster.go

@@ -249,12 +249,13 @@ func (c *MysqlCluster) EnsureVolumes() []corev1.Volume {
 	)
 	// add the nfs volumn mount
 	if len(c.Spec.NFSServerAddress) != 0 {
+		ip, path := utils.ParseIPAndPath(c.Spec.NFSServerAddress)
 		volumes = append(volumes, corev1.Volume{
 			Name: utils.XtrabackupPV,
 			VolumeSource: corev1.VolumeSource{
 				NFS: &corev1.NFSVolumeSource{
-					Server: c.Spec.NFSServerAddress,
-					Path:   "/",
+					Server: ip,
+					Path:   path,
 				},
 			},
 		})

utils/common.go

@@ -150,3 +150,12 @@ func ParseImageName(image string) (string, string, string, error) {
 	imageTag := imageNameArry[1]
 	return imagePrefix, imageName, imageTag, nil
 }
+
+func ParseIPAndPath(nfsaddr string) (string, string) {
+	res := strings.Split(nfsaddr, ":")
+	if len(res) == 2 {
+		return res[0], res[1]
+	} else {
+		return res[0], "/"
+	}
+}