fix: add description for vlan interfaces

Signed-off-by: Mengxin Liu <liumengxinfly@gmail.com>

Author: oilbeater

charts/kube-ovn-v2/crds/kube-ovn-crd.yaml

@@ -3025,13 +3025,15 @@ spec:
                     type: string
                 autoCreateVlanSubinterfaces:
                   type: boolean
+                  description: Enable automatic detection and preservation of VLAN interfaces
                 preserveVlanInterfaces:
                   type: boolean
                 vlanInterfaces:
                   type: array
                   items:
                     type: string
                     pattern: '^[a-zA-Z0-9_-]+\.[0-9]{1,4}$'
+                  description: Optional explicit list of VLAN interface names to preserve (e.g., eth0.10, bond0.20)
               required:
                 - defaultInterface
             status:

charts/kube-ovn/templates/kube-ovn-crd.yaml

@@ -3027,11 +3027,13 @@ spec:
                   type: boolean
                 preserveVlanInterfaces:
                   type: boolean
+                  description: Enable automatic detection and preservation of VLAN interfaces
                 vlanInterfaces:
                   type: array
                   items:
                     type: string
                     pattern: '^[a-zA-Z0-9_-]+\.[0-9]{1,4}$'
+                  description: Optional explicit list of VLAN interface names to preserve (e.g., eth0.10, bond0.20)
               required:
                 - defaultInterface
             status:

dist/images/install.sh

@@ -3275,6 +3275,15 @@ spec:
                     type: string
                 autoCreateVlanSubinterfaces:
                   type: boolean
+                preserveVlanInterfaces:
+                  type: boolean
+                  description: Enable automatic detection and preservation of VLAN interfaces
+                vlanInterfaces:
+                  type: array
+                  items:
+                    type: string
+                    pattern: '^[a-zA-Z0-9_-]+\.[0-9]{1,4}$'
+                  description: Optional explicit list of VLAN interface names to preserve (e.g., eth0.10, bond0.20)
               required:
                 - defaultInterface
             status:

pkg/daemon/controller.go

@@ -421,6 +421,7 @@ func (c *Controller) initProviderNetwork(pn *kubeovnv1.ProviderNetwork, node *v1
 		klog.Infof("Processing %d explicitly specified VLAN interfaces", len(pn.Spec.VlanInterfaces))
 		for _, vlanIfName := range pn.Spec.VlanInterfaces {
 			if util.CheckInterfaceExists(vlanIfName) {
+				// Extract VLAN ID from interface name (e.g., "eth0.10" -> 10)
 				vlanID, err := util.ExtractVlanIDFromInterface(vlanIfName)
 				if err != nil {
 					klog.Warningf("Failed to extract VLAN ID from interface %s: %v", vlanIfName, err)
@@ -441,6 +442,7 @@ func (c *Controller) initProviderNetwork(pn *kubeovnv1.ProviderNetwork, node *v1
 		vlanIDs := util.DetectVlanInterfaces(nic)
 		for _, vlanID := range vlanIDs {
 			vlanIfName := fmt.Sprintf("%s.%d", nic, vlanID)
+			// Only add if not already explicitly specified
 			if _, exists := vlanInterfaceMap[vlanIfName]; !exists {
 				vlanInterfaceMap[vlanIfName] = vlanID
 				vlans.Add(strconv.Itoa(vlanID))