#yyds干货盘点# kubeadm添加新master或node

Posted lyy910203

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一、首先在master上生成新的token

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kubeadm token create --print-join-command
kubeadm token create --print-join-comman

范例
[root@cn-hongkong nfs]# kubeadm token create --print-join-command
kubeadm join 172.31.182.156:8443 --token ortvag.ra0654faci8y8903     --discovery-token-ca-cert-hash sha256:04755ff1aa88e7db283c85589bee31fabb7d32186612778e53a536a297fc9010

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​二、在master上生成用于新master加入的证书

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kubeadm init phase upload-certs --experimental-upload-certs

范例

[root@cn-hongkong k8s_yaml]# kubeadm init phase upload-certs --experimental-upload-certs
[upload-certs] Storing the certificates in ConfigMap "kubeadm-certs" in the "kube-system" Namespace
[upload-certs] Using certificate key:
f8d1c027c01baef6985ddf24266641b7c64f9fd922b15a32fce40b6b4b21e47d

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​三、添加新node

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kubeadm join 172.31.182.156:8443 --token ortvag.ra0654faci8y8903     --discovery-token-ca-cert-hash sha256:04755ff1aa88e7db283c85589bee31fabb7d32186612778e53a536a297fc9010

​ 四、添加新master，把红色部分加到--experimental-control-plane --certificate-key后。

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kubeadm join 172.31.182.156:8443  --token ortvag.ra0654faci8y8903 \\
  --discovery-token-ca-cert-hash sha256:04755ff1aa88e7db283c85589bee31fabb7d32186612778e53a536a297fc9010 \\
  --experimental-control-plane --certificate-key f8d1c027c01baef6985ddf24266641b7c64f9fd922b15a32fce40b6b4b21e47d

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