Birdhk [root@node1 kubernetes]# helm upgrade notification-manager -n kubesphere-monitoring-system notification-manager.tgz
Error: UPGRADE FAILED: rendered manifests contain a resource that already exists. Unable to continue with update: Secret “notification-manager-webhook-server-cert” in namespace “kubesphere-monitoring-system” exists and cannot be imported into the current release: invalid ownership metadata; label validation error: missing key “app.kubernetes.io/managed-by”: must be set to “Helm”; annotation validation error: missing key “meta.helm.sh/release-name”: must be set to “notification-manager”; annotation validation error: missing key “meta.helm.sh/release-namespace”: must be set to “kubesphere-monitoring-system”
[root@node1 kubernetes]#