feat: support multiple operator in single namespace

internal/managed_job/manager.go

@@ -3,6 +3,7 @@ package managed_job
 import (
 	"flink-kube-operator/internal/crd"
 	"flink-kube-operator/internal/crd/v1alpha1"
+	"os"
 	"time"
 
 	"flink-kube-operator/pkg"
@@ -73,6 +74,8 @@ func (mgr *Manager) cycle(client *api.Client, crdInstance *crd.Crd) {
 	}
 	pkg.Logger.Debug("[manager] [cycle] overviews", zap.Any("overviews", jobManagerJobOverviews))
 
+	operatorId := os.Getenv("OPERATOR_ID")
+
 	// Loop over job definitions as Kubernetes CRD
 	for _, uid := range crd.GetAllJobKeys() {
 		if lo.Contains(mgr.processingJobsIds, uid) {
@@ -82,6 +85,27 @@ func (mgr *Manager) cycle(client *api.Client, crdInstance *crd.Crd) {
 
 		// Get job definition from Kubernetes CRD
 		def := crd.GetJob(uid)
+
+		// Auto-claim: if flinkCluster is empty, set it to this operator's ID
+		if def.Spec.FlinkCluster == "" {
+			pkg.Logger.Info("[manager] auto-claiming unowned job", zap.String("name", def.GetName()))
+			crdInstance.Patch(def.GetUID(), map[string]interface{}{
+				"spec": map[string]interface{}{
+					"flinkCluster": operatorId,
+				},
+			})
+			def.Spec.FlinkCluster = operatorId
+		}
+
+		// Skip CRs that belong to another operator
+		if def.Spec.FlinkCluster != operatorId {
+			pkg.Logger.Debug("[manager] skipping job owned by another operator",
+				zap.String("name", def.GetName()),
+				zap.String("flinkCluster", def.Spec.FlinkCluster),
+				zap.String("operatorId", operatorId),
+			)
+			continue
+		}
 		mgr.processingJobsIds = append(mgr.processingJobsIds, uid)
 
 		// Check if job exists in manager managed jobs