检查主节点和控制器节点条件

要获取主节点和控制器节点的运行状况，必须运行 osctl describe node <node>。

症状

发生类似以下情况时，运行状况检查可能会报告故障，并显示不正常状态，如 DiskPressure 等。

例如：

#osctl describe node controller-xxxx
Conditions:
  Type                 Status  LastHeartbeatTime                 LastTransitionTime                Reason                       Message
  ----                 ------  -----------------                 ------------------                ------                       -------
  NetworkUnavailable   False   Sat, 05 Jun 2021 10:47:53 +0000   Sat, 05 Jun 2021 10:47:53 +0000   CalicoIsUp                   Calico is running on this node
  MemoryPressure       False   Mon, 07 Jun 2021 01:21:55 +0000   Mon, 07 Jun 2021 00:57:29 +0000   KubeletHasSufficientMemory   kubelet has sufficient memory available
  DiskPressure         False   Mon, 07 Jun 2021 01:21:55 +0000   Mon, 07 Jun 2021 00:57:29 +0000   KubeletHasNoDiskPressure     kubelet has no disk pressure
  PIDPressure          False   Mon, 07 Jun 2021 01:21:55 +0000   Mon, 07 Jun 2021 00:57:29 +0000   KubeletHasSufficientPID      kubelet has sufficient PID available
  Ready                True    Mon, 07 Jun 2021 01:21:55 +0000   Mon, 07 Jun 2021 00:57:32 +0000   KubeletReady                 kubelet is posting ready status

解决方案

从 VMware Integrated OpenStack 管理虚拟机登录到 Kubernetes 节点，然后运行 viossh controller-xxx。

MemoryPressure