globalnode-lifecycle-controller

Signed-off-by: luoyuanze <[email protected]>

cmd/kubenest/operator/app/operator.go

@@ -261,6 +261,14 @@ func run(ctx context.Context, config *config.Config) error {
 		return fmt.Errorf("error starting %s: %v", constants.GlobalNodeControllerName, err)
 	}
 
+	GlobalNodeConditionController := glnodecontroller.NewGlobalNodeStatusController(
+		mgr.GetClient(),
+		kosmosClient,
+	)
+	if err := mgr.Add(GlobalNodeConditionController); err != nil {
+		return fmt.Errorf("error starting %s: %v", glnodecontroller.GlobalNodeStatusControllerName, err)
+	}
+
 	if err := startEndPointsControllers(mgr); err != nil {
 		return err
 	}

deploy/crds/kosmos.io_globalnodes.yaml

@@ -19,6 +19,9 @@ spec:
     - jsonPath: .spec.nodeIP
       name: NODE_IP
       type: string
+    - jsonPath: .status.conditions[0].type
+      name: TYPE
+      type: string
     - jsonPath: .spec.state
       name: STATE
       type: string

pkg/kubenest/controller/global.node.controller/global_node_lifecycle_controller.go

@@ -0,0 +1,149 @@
+package globalnodecontroller
+
+import (
+	"context"
+	"github.com/kosmos.io/kosmos/pkg/generated/clientset/versioned"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/client-go/util/retry"
+	"k8s.io/klog/v2"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sync"
+	"time"
+
+	"github.com/kosmos.io/kosmos/pkg/apis/kosmos/v1alpha1"
+)
+
+const (
+	GlobalNodeStatusControllerName = "global-node-status-controller"
+	DefaultStatusUpdateInterval    = 15 * time.Second
+	ClientHeartbeatThreshold       = 10 * time.Second
+)
+
+type GlobalNodeStatusController struct {
+	root           client.Client
+	statusInterval time.Duration
+
+	globalNodeLock sync.Mutex
+	kosmosClient   versioned.Interface
+}
+
+func NewGlobalNodeStatusController(
+	root client.Client,
+	kosmosClient versioned.Interface,
+) *GlobalNodeStatusController {
+	return &GlobalNodeStatusController{
+		root:           root,
+		statusInterval: DefaultStatusUpdateInterval,
+		kosmosClient:   kosmosClient,
+	}
+}
+func (c *GlobalNodeStatusController) Start(ctx context.Context) error {
+	// 启动状态同步
+	go wait.UntilWithContext(ctx, c.syncGlobalNodeStatus, c.statusInterval)
+
+	// 等待上下文完成
+	<-ctx.Done()
+	return nil
+}
+func (c *GlobalNodeStatusController) syncGlobalNodeStatus(ctx context.Context) {
+	// 动态获取 GlobalNode 列表
+	globalNodes := make([]*v1alpha1.GlobalNode, 0)
+	//c.globalNodeLock.Lock()
+	//defer c.globalNodeLock.Unlock()
+
+	// 获取 GlobalNode 对象列表
+	nodeList, err := c.kosmosClient.KosmosV1alpha1().GlobalNodes().List(ctx, metav1.ListOptions{})
+	if err != nil {
+		klog.Errorf("Failed to fetch GlobalNodes: %v", err)
+		return
+	}
+
+	// 克隆并存储节点副本
+	for _, node := range nodeList.Items {
+		nodeCopy := node.DeepCopy()
+		globalNodes = append(globalNodes, nodeCopy)
+	}
+
+	// 执行状态更新
+	err = c.updateGlobalNodeStatus(ctx, globalNodes)
+	if err != nil {
+		klog.Errorf("Failed to sync global node status: %v", err)
+	}
+}
+
+// updateGlobalNodeStatus 更新 GlobalNode 的状态
+func (c *GlobalNodeStatusController) updateGlobalNodeStatus(
+	ctx context.Context,
+	globalNodes []*v1alpha1.GlobalNode,
+) error {
+	for _, globalNode := range globalNodes {
+		// 获取或创建更新状态的逻辑
+		err := c.updateStatusForGlobalNode(ctx, globalNode)
+		if err != nil {
+			klog.Errorf("Failed to update status for global node %s: %v", globalNode.Name, err)
+			return err
+		}
+	}
+	return nil
+}
+
+// updateStatusForGlobalNode 更新单个 GlobalNode 的状态
+func (c *GlobalNodeStatusController) updateStatusForGlobalNode(
+	ctx context.Context,
+	globalNode *v1alpha1.GlobalNode,
+) error {
+	// 使用 retry 重试机制
+	return retry.RetryOnConflict(retry.DefaultRetry, func() error {
+		// 动态获取最新的 GlobalNode
+		currentNode, err := c.kosmosClient.KosmosV1alpha1().GlobalNodes().Get(ctx, globalNode.Name, metav1.GetOptions{})
+		if err != nil {
+			klog.Errorf("Failed to fetch the latest GlobalNode %s: %v", globalNode.Name, err)
+			return err
+		}
+
+		// 确保 Status.Conditions 不为空
+		if len(currentNode.Status.Conditions) == 0 {
+			klog.Warningf("GlobalNode %s has no conditions, skipping status update", currentNode.Name)
+			return nil
+		}
+
+		// 获取 LastHeartbeatTime
+		condition := currentNode.Status.Conditions[0]
+		lastHeartbeatTime := condition.LastHeartbeatTime
+		timeDiff := time.Since(lastHeartbeatTime.Time)
+
+		// 更新状态条件
+		statusType := "Ready"
+		if timeDiff > ClientHeartbeatThreshold {
+			statusType = "NotReady"
+		}
+
+		// 检查状态是否需要更新
+		if string(condition.Type) != statusType {
+			condition.Type = v1.NodeConditionType(statusType)
+			condition.LastTransitionTime = metav1.NewTime(time.Now())
+
+			currentNode.Status.Conditions[0] = condition
+
+			// 提交状态更新
+			_, err = c.kosmosClient.KosmosV1alpha1().GlobalNodes().UpdateStatus(ctx, currentNode, metav1.UpdateOptions{})
+			if err != nil {
+				if errors.IsConflict(err) {
+					klog.Warningf("Conflict detected while updating status for GlobalNode %s, retrying...", globalNode.Name)
+				} else {
+					klog.Errorf("Failed to update status for GlobalNode %s: %v", globalNode.Name, err)
+				}
+				return err
+			}
+
+			klog.Infof("Successfully updated status for GlobalNode %s to %s", globalNode.Name, statusType)
+		} else {
+			klog.Infof("No status update required for GlobalNode %s, current status: %s", globalNode.Name, condition.Type)
+		}
+
+		return nil
+	})
+}