From 3c0e94dab36ecf53ce01fb2bbe834f6b848640be Mon Sep 17 00:00:00 2001
From: huiwq1990 <huiwq1990@163.com>
Date: Fri, 8 Apr 2022 12:00:18 +0800
Subject: [PATCH] support configmap delete (#791)

---
 pkg/yurthub/cachemanager/cache_agent.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkg/yurthub/cachemanager/cache_agent.go b/pkg/yurthub/cachemanager/cache_agent.go
index c3117079bf2..102293a0f7d 100644
--- a/pkg/yurthub/cachemanager/cache_agent.go
+++ b/pkg/yurthub/cachemanager/cache_agent.go
@@ -39,6 +39,7 @@ func (cm *cacheManager) initCacheAgents() error {
 	configmapInformer.AddEventHandler(cache.ResourceEventHandlerFuncs{
 		AddFunc:    cm.addConfigmap,
 		UpdateFunc: cm.updateConfigmap,
+		DeleteFunc: cm.deleteConfigmap,
 	})
 
 	klog.Infof("init cache agents to %v", cm.cacheAgents)
@@ -74,6 +75,16 @@ func (cm *cacheManager) updateConfigmap(oldObj, newObj interface{}) {
 	cm.deleteAgentCache(deletedAgents)
 }
 
+func (cm *cacheManager) deleteConfigmap(obj interface{}) {
+	_, ok := obj.(*corev1.ConfigMap)
+	if !ok {
+		return
+	}
+
+	deletedAgents := cm.updateCacheAgents("", "delete")
+	cm.deleteAgentCache(deletedAgents)
+}
+
 // updateCacheAgents update cache agents
 func (cm *cacheManager) updateCacheAgents(cacheAgents, action string) sets.String {
 	newAgents := sets.NewString()