檢查主要節點和控制器節點條件

若要取得主要節點和控制器節點的健全狀況狀態，必須執行 osctl describe node <node>。

症狀

發生類似以下情況時，健全狀況檢查可能會報告故障，並顯示狀況不良狀態，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

解決方案

從 VMware Integrated OpenStack 管理虛擬機器登入 Kubernetes 節點，然後執行 viossh controller-xxx。

MemoryPressure