I noticed that we can create node by Kubernetes API
- What is the difference between Kubeadm join and this api?
- Is it possible to create a new worker node only by Kubernetes Api (without kubeadm)?
I noticed that we can create node by Kubernetes API
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Node object in Kubernetes API
You can create Node objects via Kubernetes API - these Node objects are just representations for nodes in the cluster, they must also exists e.g. a machine with a Kubelet.
See Nodes in the Kubernetes documentation.
Join a machine to a cluster with kubeadm join
kubeadm joinis a tool and command to join a machine to the cluster as a node. This includes many steps including bootstrapping the node using cryptographic certiticates.