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Formatting fixes (#16626)

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This commit is contained in:
Steven Correa
2019-10-05 17:49:10 -07:00
committed by Kubernetes Prow Robot
parent c51b1d65b7
commit a3371164ab
1 changed files with 25 additions and 25 deletions
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content/en/docs/setup/production-environment/tools/kubeadm/high-availability.md
+15 -15
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@@ -128,32 +128,32 @@ To add a pod CIDR pass the flag `--pod-network-cidr`, or if you are using a kube
set the `podSubnet` field under the `networking` object of `ClusterConfiguration`. set the `podSubnet` field under the `networking` object of `ClusterConfiguration`.
{{< /note >}} {{< /note >}}
After the command completes you should see something like so: After the command completes you should see something like so:
```sh ```sh
... ...
You can now join any number of control-plane node by running the following command on each as a root: You can now join any number of control-plane node by running the following command on each as a root:
kubeadm join 192.168.0.200:6443 --token 9vr73a.a8uxyaju799qwdjv --discovery-token-ca-cert-hash sha256:7c2e69131a36ae2a042a339b33381c6d0d43887e2de83720eff5359e26aec866 --control-plane --certificate-key f8902e114ef118304e561c3ecd4d0b543adc226b7a07f675f56564185ffe0c07 kubeadm join 192.168.0.200:6443 --token 9vr73a.a8uxyaju799qwdjv --discovery-token-ca-cert-hash sha256:7c2e69131a36ae2a042a339b33381c6d0d43887e2de83720eff5359e26aec866 --control-plane --certificate-key f8902e114ef118304e561c3ecd4d0b543adc226b7a07f675f56564185ffe0c07
Please note that the certificate-key gives access to cluster sensitive data, keep it secret! Please note that the certificate-key gives access to cluster sensitive data, keep it secret!
As a safeguard, uploaded-certs will be deleted in two hours; If necessary, you can use kubeadm init phase upload-certs to reload certs afterward. As a safeguard, uploaded-certs will be deleted in two hours; If necessary, you can use kubeadm init phase upload-certs to reload certs afterward.
Then you can join any number of worker nodes by running the following on each as root: Then you can join any number of worker nodes by running the following on each as root:
kubeadm join 192.168.0.200:6443 --token 9vr73a.a8uxyaju799qwdjv --discovery-token-ca-cert-hash sha256:7c2e69131a36ae2a042a339b33381c6d0d43887e2de83720eff5359e26aec866 kubeadm join 192.168.0.200:6443 --token 9vr73a.a8uxyaju799qwdjv --discovery-token-ca-cert-hash sha256:7c2e69131a36ae2a042a339b33381c6d0d43887e2de83720eff5359e26aec866
``` ```
- Copy this output to a text file. You will need it later to join control plane and worker nodes to the cluster. - Copy this output to a text file. You will need it later to join control plane and worker nodes to the cluster.
- When `--upload-certs` is used with `kubeadm init`, the certificates of the primary control plane - When `--upload-certs` is used with `kubeadm init`, the certificates of the primary control plane
are encrypted and uploaded in the `kubeadm-certs` Secret. are encrypted and uploaded in the `kubeadm-certs` Secret.
- To re-upload the certificates and generate a new decryption key, use the following command on a control plane - To re-upload the certificates and generate a new decryption key, use the following command on a control plane
node that is already joined to the cluster: node that is already joined to the cluster:
```sh ```sh
sudo kubeadm init phase upload-certs --upload-certs sudo kubeadm init phase upload-certs --upload-certs
``` ```
- You can also specify a custom `--certificate-key` during `init` that can later be used by `join`. - You can also specify a custom `--certificate-key` during `init` that can later be used by `join`.
To generate such a key you can use the following command: To generate such a key you can use the following command:
```sh ```sh
kubeadm alpha certs certificate-key kubeadm alpha certs certificate-key