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kubernetes - Datadog 和 kubernetes 运行检查 kubelet

问题描述

我设置了datadog和kubernetes来测试监控，虽然在datadog中我可以看到一些日志和指标，在kubernetes的代理中我有以下错误：

 TRACE ] trace-agent exited with code 0, disabling
[ AGENT ] 2018-10-17 08:18:24 UTC | WARN | (datadog_agent.go:149 in LogMessage) | (base.py:212) | DEPRECATION NOTICE: device_name is deprecated, please use a device: tag in the tags list instead
[ AGENT ] 2018-10-17 08:18:26 UTC | ERROR | (kubeutil.go:50 in GetKubeletConnectionInfo) | connection to kubelet failed: temporary failure in kubeutil, will retry later: try delay not elapsed yet
[ AGENT ] 2018-10-17 08:18:26 UTC | ERROR | (runner.go:289 in work) | Error running check kubelet: [{"message": "Unable to detect the kubelet URL automatically.", "traceback": "Traceback (most recent call last):\n File "/opt/datadog-agent/embedded/lib/python2.7/site-packages/datadog_checks/checks/base.py", line 352, in run\n self.check(copy.deepcopy(self.instances[0]))\n File "/opt/datadog-agent/embedded/lib/python2.7/site-packages/datadog_checks/kubelet/kubelet.py", line 107, in check\n raise CheckException("Unable to detect the kubelet URL automatically.")\nCheckException: Unable to detect the kubelet URL automatically.\n"}]
[ AGENT ] 2018-10-17 08:18:28 UTC | ERROR | (autoconfig.go:604 in collect) | Unable to collect configurations from provider Kubernetes: temporary failure in kubeutil, will retry later: try delay not elapsed yet

image:
repository: datadog/agent
tag: 6.4.2

由于日志状态代理无法连接到 Kubectl，有没有人遇到过这个？

标签： kubernetesdatadog

解决方案

这可能是其他人也遇到的问题。在较新的 Kubernetes 版本中，kubelet 不再侦听 ReadOnlyPort，并且该端口已被弃用。KUBELET_EXTRA_ARGS=--read-only-port=10255Samuel Cormier-Iijima 报告说，可以通过在/etc/default/kubelet节点主机上添加插件来解决该问题。

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