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如何加入k8s集群

如何加入k8s集群

作者: 乙腾 | 来源:发表于2020-10-03 16:29 被阅读0次

    keywords

    一个新节点,如何加入k8s集群

    background

    按照1.安装前准备安装所需要应用,然后不知道怎么加入主节点。

    analyze

    加入主节点,很简单,让主节点生成的token和hash码。

    kubeadm join 192.168.16.138:6443 --token abcdef.0123456789abcdef \
        --discovery-token-ca-cert-hash sha256:f0759e0d352c1a5de4444782b4a676460b2ea7a2876fa0accab572b8629b72c8
    

    solve

    1.kubeadm生成的token过期重新获取

    加入主节点后在观察tidb命名空间的pods

    root@kubernets-master:~# watch kubectl get pods -n tidb -o wide
    
    NAME                                      READY   STATUS    RESTARTS   AGE     IP               NODE              NOMINATED NODE   READINESS GATES
    tidb-cluster-discovery-6b7f8d9954-d7pbp   1/1     Running   3          2d21h   10.244.122.222   kubernets-node1   <none>           <none>
    tidb-cluster-monitor-67f5d8d845-d58l6     3/3     Running   9          2d21h   10.244.102.127   kubernets-node2   <none>           <none>
    tidb-cluster-pd-0                         1/1     Running   4          2d21h   10.244.122.225   kubernets-node1   <none>           <none>
    tidb-cluster-pd-1                         1/1     Running   6          2d21h   10.244.102.68    kubernets-node2   <none>           <none>
    tidb-cluster-pd-2                         1/1     Running   6          2d21h   10.244.221.211   volumes           <none>           <none>
    tidb-cluster-tidb-0                       2/2     Running   7          2d17h   10.244.221.210   volumes           <none>           <none>
    tidb-cluster-tidb-1                       2/2     Running   7          2d17h   10.244.221.208   volumes           <none>           <none>
    tidb-cluster-tikv-0                       1/1     Running   3          2d18h   10.244.221.209   volumes           <none>           <none>
    tidb-cluster-tikv-1                       1/1     Running   2          2d18h   10.244.122.221   kubernets-node1   <none>           <none>
    tidb-cluster-tikv-2                       1/1     Running   2          2d18h   10.244.102.126   kubernets-node2   <none>           <none>
    

    SEURL:

    1.范式

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