MicroK8s : Add Nodes2021/08/30 |
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If you'd like to add more Nodes to your MicroK8s Cluster, Configure like follows.
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| [1] | Display commands to join in Cluster on primary Node. |
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root@dlp:~# microk8s add-node From the node you wish to join to this cluster, run the following: microk8s join 10.0.0.30:25000/695fca9d436fdee295792f85d3c2852b/e2906e671efc If the node you are adding is not reachable through the default interface you can use one of the following: microk8s join 10.0.0.30:25000/695fca9d436fdee295792f85d3c2852b/e2906e671efc |
| [2] | On a new Node, Install MicroK8s and join in Cluster. |
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root@node01:~#
apt -y install snapd sudo
root@node01:~#
echo 'export PATH=/snap/bin:$PATH' >> ~/.bashrc root@node01:~# source ~/.bashrc
root@node01:~#
snap install microk8s --classic microk8s (1.21/stable) v1.21.3 from Canonical✓ installed # run the command confirmed in [1] root@node01:~# microk8s join 10.0.0.30:25000/695fca9d436fdee295792f85d3c2852b/e2906e671efc Contacting cluster at 10.0.0.30 Waiting for this node to finish joining the cluster. .. |
| [3] | On primary Node, Make sure a new Node has been added in Cluster. |
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root@dlp:~# microk8s kubectl get nodes NAME STATUS ROLES AGE VERSION dlp.srv.world Ready <none> 27m v1.21.3-3+90fd5f3d2aea0a node01.srv.world Ready <none> 91s v1.21.3-3+90fd5f3d2aea0a |
| [4] | To remove a Node, Set like follows. |
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# on removal target node, run like follows root@node01:~# microk8s leave Generating new cluster certificates. Waiting for node to start. # on primary node, run like follows # specify Node name and run [remove-node] # if remove forcely, add [--force] option root@dlp:~# microk8s remove-node node01.srv.world
microk8s kubectl get nodes NAME STATUS ROLES AGE VERSION dlp.srv.world Ready <none> 30m v1.21.3-3+90fd5f3d2aea0a |
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