GKE 日志中的元数据代理运行状况错误是什么意思?

What do metadata-agent health errors in GKE logs mean?

我设置了一个标准的 GKE 集群,包括 istio。在日志中我发现错误,例如:

{
 insertId:  "xuxoovg5olythg"  
 logName:  "projects/projectname/logs/stderr"  
 metadata: {…}  
 receiveTimestamp:  "2019-01-03T11:39:10.996283280Z"  
 resource: {
  labels: {
   cluster_name:  "standard-cluster-1"    
   container_name:  "metadata-agent"    
   location:  "europe-west4-a"    
   namespace_name:  "kube-system"    
   pod_name:  "metadata-agent-859mq"    
   project_id:  "myprojectname"    
  }
  type:  "k8s_container"   
 }
 severity:  "ERROR"  
 textPayload:  "W0103 11:39:06 7fc26c8bf700 api_server.cc:183 /healthz returning 500; unhealthy components: Pods
"  
 timestamp:  "2019-01-03T11:39:06Z"  
}

这是个问题吗?这该怎么办?

目前据说它作为一种短期解决方案正在按预期工作。以后可能会修复。

来源:https://github.com/Stackdriver/metadata-agent/issues/183#issuecomment-426406327