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Remove extra spacing in code blocks (#10347)

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Signed-off-by: GuessWhoSamFoo <sfoohei@gmail.com>
This commit is contained in:
Sam Foo
2018-09-19 19:52:36 -07:00
committed by k8s-ci-robot
parent 0c39f4fed7
commit 5e1367bfb7
1 changed files with 81 additions and 81 deletions
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content/en/docs/setup/independent/high-availability.md
+81 -81
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@@ -74,30 +74,30 @@ run as root.
1. Enable ssh-agent on your main device that has access to all other nodes in
the system:
```
eval $(ssh-agent)
```
```
eval $(ssh-agent)
```
1. Add your SSH identity to the session:
```
ssh-add ~/.ssh/path_to_private_key
```
```
ssh-add ~/.ssh/path_to_private_key
```
1. SSH between nodes to check that the connection is working correctly.
- When you SSH to any node, make sure to add the `-A` flag:
```
ssh -A 10.0.0.7
```
```
ssh -A 10.0.0.7
```
- When using sudo on any node, make sure to preserve the environment so SSH
forwarding works:
```
sudo -E -s
```
```
sudo -E -s
```
### Create load balancer for kube-apiserver
@@ -264,54 +264,54 @@ done
1. Move the copied files to the correct locations:
```sh
USER=ubuntu # customizable
mkdir -p /etc/kubernetes/pki/etcd
mv /home/${USER}/ca.crt /etc/kubernetes/pki/
mv /home/${USER}/ca.key /etc/kubernetes/pki/
mv /home/${USER}/sa.pub /etc/kubernetes/pki/
mv /home/${USER}/sa.key /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.crt /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.key /etc/kubernetes/pki/
mv /home/${USER}/etcd-ca.crt /etc/kubernetes/pki/etcd/ca.crt
mv /home/${USER}/etcd-ca.key /etc/kubernetes/pki/etcd/ca.key
mv /home/${USER}/admin.conf /etc/kubernetes/admin.conf
```
```sh
USER=ubuntu # customizable
mkdir -p /etc/kubernetes/pki/etcd
mv /home/${USER}/ca.crt /etc/kubernetes/pki/
mv /home/${USER}/ca.key /etc/kubernetes/pki/
mv /home/${USER}/sa.pub /etc/kubernetes/pki/
mv /home/${USER}/sa.key /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.crt /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.key /etc/kubernetes/pki/
mv /home/${USER}/etcd-ca.crt /etc/kubernetes/pki/etcd/ca.crt
mv /home/${USER}/etcd-ca.key /etc/kubernetes/pki/etcd/ca.key
mv /home/${USER}/admin.conf /etc/kubernetes/admin.conf
```
1. Run the kubeadm phase commands to bootstrap the kubelet:
```sh
kubeadm alpha phase certs all --config kubeadm-config.yaml
kubeadm alpha phase kubelet config write-to-disk --config kubeadm-config.yaml
kubeadm alpha phase kubelet write-env-file --config kubeadm-config.yaml
kubeadm alpha phase kubeconfig kubelet --config kubeadm-config.yaml
systemctl start kubelet
```
```sh
kubeadm alpha phase certs all --config kubeadm-config.yaml
kubeadm alpha phase kubelet config write-to-disk --config kubeadm-config.yaml
kubeadm alpha phase kubelet write-env-file --config kubeadm-config.yaml
kubeadm alpha phase kubeconfig kubelet --config kubeadm-config.yaml
systemctl start kubelet
```
1. Run the commands to add the node to the etcd cluster:
```sh
export CP0_IP=10.0.0.7
export CP0_HOSTNAME=cp0
export CP1_IP=10.0.0.8
export CP1_HOSTNAME=cp1
```sh
export CP0_IP=10.0.0.7
export CP0_HOSTNAME=cp0
export CP1_IP=10.0.0.8
export CP1_HOSTNAME=cp1
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl exec -n kube-system etcd-${CP0_HOSTNAME} -- etcdctl --ca-file /etc/kubernetes/pki/etcd/ca.crt --cert-file /etc/kubernetes/pki/etcd/peer.crt --key-file /etc/kubernetes/pki/etcd/peer.key --endpoints=https://${CP0_IP}:2379 member add ${CP1_HOSTNAME} https://${CP1_IP}:2380
kubeadm alpha phase etcd local --config kubeadm-config.yaml
```
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl exec -n kube-system etcd-${CP0_HOSTNAME} -- etcdctl --ca-file /etc/kubernetes/pki/etcd/ca.crt --cert-file /etc/kubernetes/pki/etcd/peer.crt --key-file /etc/kubernetes/pki/etcd/peer.key --endpoints=https://${CP0_IP}:2379 member add ${CP1_HOSTNAME} https://${CP1_IP}:2380
kubeadm alpha phase etcd local --config kubeadm-config.yaml
```
- This command causes the etcd cluster to become unavailable for a
- This command causes the etcd cluster to become unavailable for a
brief period, after the node is added to the running cluster, and before the
new node is joined to the etcd cluster.
1. Deploy the control plane components and mark the node as a master:
```sh
kubeadm alpha phase kubeconfig all --config kubeadm-config.yaml
kubeadm alpha phase controlplane all --config kubeadm-config.yaml
kubeadm alpha phase mark-master --config kubeadm-config.yaml
```
```sh
kubeadm alpha phase kubeconfig all --config kubeadm-config.yaml
kubeadm alpha phase controlplane all --config kubeadm-config.yaml
kubeadm alpha phase mark-master --config kubeadm-config.yaml
```
### Add the third stacked control plane node
@@ -359,50 +359,50 @@ done
1. Move the copied files to the correct locations:
```sh
USER=ubuntu # customizable
mkdir -p /etc/kubernetes/pki/etcd
mv /home/${USER}/ca.crt /etc/kubernetes/pki/
mv /home/${USER}/ca.key /etc/kubernetes/pki/
mv /home/${USER}/sa.pub /etc/kubernetes/pki/
mv /home/${USER}/sa.key /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.crt /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.key /etc/kubernetes/pki/
mv /home/${USER}/etcd-ca.crt /etc/kubernetes/pki/etcd/ca.crt
mv /home/${USER}/etcd-ca.key /etc/kubernetes/pki/etcd/ca.key
mv /home/${USER}/admin.conf /etc/kubernetes/admin.conf
```
```sh
USER=ubuntu # customizable
mkdir -p /etc/kubernetes/pki/etcd
mv /home/${USER}/ca.crt /etc/kubernetes/pki/
mv /home/${USER}/ca.key /etc/kubernetes/pki/
mv /home/${USER}/sa.pub /etc/kubernetes/pki/
mv /home/${USER}/sa.key /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.crt /etc/kubernetes/pki/
mv /home/${USER}/front-proxy-ca.key /etc/kubernetes/pki/
mv /home/${USER}/etcd-ca.crt /etc/kubernetes/pki/etcd/ca.crt
mv /home/${USER}/etcd-ca.key /etc/kubernetes/pki/etcd/ca.key
mv /home/${USER}/admin.conf /etc/kubernetes/admin.conf
```
1. Run the kubeadm phase commands to bootstrap the kubelet:
```sh
kubeadm alpha phase certs all --config kubeadm-config.yaml
kubeadm alpha phase kubelet config write-to-disk --config kubeadm-config.yaml
kubeadm alpha phase kubelet write-env-file --config kubeadm-config.yaml
kubeadm alpha phase kubeconfig kubelet --config kubeadm-config.yaml
systemctl start kubelet
```
```sh
kubeadm alpha phase certs all --config kubeadm-config.yaml
kubeadm alpha phase kubelet config write-to-disk --config kubeadm-config.yaml
kubeadm alpha phase kubelet write-env-file --config kubeadm-config.yaml
kubeadm alpha phase kubeconfig kubelet --config kubeadm-config.yaml
systemctl start kubelet
```
1. Run the commands to add the node to the etcd cluster:
```sh
export CP0_IP=10.0.0.7
export CP0_HOSTNAME=cp0
export CP2_IP=10.0.0.9
export CP2_HOSTNAME=cp2
```sh
export CP0_IP=10.0.0.7
export CP0_HOSTNAME=cp0
export CP2_IP=10.0.0.9
export CP2_HOSTNAME=cp2
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl exec -n kube-system etcd-${CP0_HOSTNAME} -- etcdctl --ca-file /etc/kubernetes/pki/etcd/ca.crt --cert-file /etc/kubernetes/pki/etcd/peer.crt --key-file /etc/kubernetes/pki/etcd/peer.key --endpoints=https://${CP0_IP}:2379 member add ${CP2_HOSTNAME} https://${CP2_IP}:2380
kubeadm alpha phase etcd local --config kubeadm-config.yaml
```
export KUBECONFIG=/etc/kubernetes/admin.conf
kubectl exec -n kube-system etcd-${CP0_HOSTNAME} -- etcdctl --ca-file /etc/kubernetes/pki/etcd/ca.crt --cert-file /etc/kubernetes/pki/etcd/peer.crt --key-file /etc/kubernetes/pki/etcd/peer.key --endpoints=https://${CP0_IP}:2379 member add ${CP2_HOSTNAME} https://${CP2_IP}:2380
kubeadm alpha phase etcd local --config kubeadm-config.yaml
```
1. Deploy the control plane components and mark the node as a master:
```sh
kubeadm alpha phase kubeconfig all --config kubeadm-config.yaml
kubeadm alpha phase controlplane all --config kubeadm-config.yaml
kubeadm alpha phase mark-master --config kubeadm-config.yaml
```
```sh
kubeadm alpha phase kubeconfig all --config kubeadm-config.yaml
kubeadm alpha phase controlplane all --config kubeadm-config.yaml
kubeadm alpha phase mark-master --config kubeadm-config.yaml
```
## External etcd