When we use the Kubernetes platform,has many commands is important: The k command is alias to kubectl label for nodes kubectl label nodes host02 disktype=ssd view local config for kubernetes context k config get-contexts switch context’s namespaces kubectl config set-context my-vsphere-cluster …

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Why does this article exist because when we use Kubesphere. the go client code need to use the client objects of K8s but dosen’t provider the s2ibinary object client code. https://github.com/kubesphere/s2ioperator/tree/master/pkg/client/clientset/versioned/typed/devops/v1alpha1 Prepare directory structure and …

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First prepare the tools installation in host: Kind: https://kind.sigs.k8s.io/docs/user/quick-start/ Cf command: https://docs.cloudfoundry.org/cf-cli/install-go-cli.html HOMEBREW_NO_AUTO_UPDATE=1 brew install cloudfoundry/tap/cf-cli@6 or HOMEBREW_NO_AUTO_UPDATE=1 brew install cloudfoundry/tap/cf-cli@7 Kubectl command: …

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The steps Taint the node Cordon the node Evict pods Verify pod migration Drain the node Uncordon the node Traint the specific node 1# prevent new pods to schedule 2kubectl taint nodes node1 node.kubernetes.io/unreachable="":NoSchedule 3kubectl cordon node1 4# execute the upgrade or other maintenance 5# evict …

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