Tanzu Kubernetes集群节点SSH登录

SSH登录Tanzu Kubernetes集群节点进行日常运维排错 环境介绍：

NameSpace: tkc-cluster https://img2020.cnblogs.com/blog/1048291/202006/1048291-20200630190840044-1058379559.png 准备工作 创建名为 NAMESPACE 的环境变量，其值为 主管命名空间的名称。

export NAMESPACE=tkc-cluster

将上下文切换到置备了 主管命名空间集群的 Tanzu Kubernetes。

kubectl config use-context $NAMESPACE

运行以下 kubectl 命令以查看 YOUR-CLUSTER-NAME-ssh 密钥对象。

$ kubectl get secrets NAME TYPE DATA AGE default-token-qc2f8 kubernetes.io/service-account-token 3 10d tkc-cluster-default-image-pull-secret kubernetes.io/dockerconfigjson 1 9d tkc-cluster-default-image-push-secret kubernetes.io/dockerconfigjson 1 9d tkc-guest-cluster-ca Opaque 2 8d tkc-guest-cluster-ccm-token-kjw8d kubernetes.io/service-account-token 3 8d tkc-guest-cluster-encryption Opaque 1 8d tkc-guest-cluster-etcd Opaque 2 8d tkc-guest-cluster-kubeconfig Opaque 1 8d tkc-guest-cluster-proxy Opaque 2 8d tkc-guest-cluster-pvcsi-token-mcd5g kubernetes.io/service-account-token 3 8d tkc-guest-cluster-sa Opaque 2 8d tkc-guest-cluster-ssh kubernetes.io/ssh-auth 1 8d tkc-guest-cluster-ssh-password Opaque 1 8d jumpbox.yaml apiVersion: v1 kind: Pod metadata: name: jumpbox namespace: tkc-cluster #REPLACE YOUR-NAMESPACE spec: containers: - image: "photon:3.0" name: jumpbox command: [ "/bin/bash", "-c", "--" ] args: [ "yum install -y openssh-server openssh-clients; mkdir /root/.ssh; cp /root/ssh/ssh-privatekey /root/.ssh/id_rsa; chmod 600 /root/.ssh/id_rsa; while true; do sleep 30; done;" ] volumeMounts: - mountPath: "/root/ssh" name: ssh-key readOnly: true volumes: - name: ssh-key secret: secretName: tkc-guest-cluster-ssh #REPLACE YOUR-CLUSTER-NAME 获取节点IP $ kubectl get virtualmachine NAME AGE tkc-guest-cluster-control-plane-6cfsf 8d tkc-guest-cluster-control-plane-drlqp 8d tkc-guest-cluster-control-plane-wmn2s 8d tkc-guest-cluster-workers-8k9c8-5576b69b67-rcsvd 29h tkc-guest-cluster-workers-8k9c8-5576b69b67-s7hch 8d tkc-guest-cluster-workers-8k9c8-5576b69b67-sb6ss 29h tkc-guest-cluster-workers-8k9c8-5576b69b67-tnxn2 8d tkc-guest-cluster-workers-8k9c8-5576b69b67-vxgt9 8d $ VMNAME=tkc-guest-cluster-control-plane-wmn2s $ export VMIP=$(kubectl -n $NAMESPACE get virtualmachine/$VMNAME -o jsonpath=‘{.status.vmIp}‘)

执行SSH

$ kubectl apply -f jumpbox.yaml $ kubectl exec -it jumpbox /usr/bin/ssh vmware-system-user@$VMIP ... 恭喜SSH登录成功

Tanzu Kubernetes集群节点SSH登录