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Port base is configurable (via $KUBE_PORT_BASE envvar). Master uses this and nodes use subsequent ports. Check that the node number is numeric so we can add them to things, but avoid worker node 0 since the port will clash with master. Signed-off-by: Ian Campbell <ian.campbell@docker.com>
Kubernetes and LinuxKit
This project aims to demonstrate how one can create minimal and immutable Kubernetes OS images with LinuxKit.
Make sure to cd projects/kubernetes first.
Edit kube-master.yml and add your public SSH key to files section.
Build OS images:
make build-vm-images
Boot Kubernetes master OS image using hyperkit on macOS:
./boot.sh
Get IP address of the master:
ip addr show dev eth0
Login to the kubelet container:
./ssh_into_kubelet.sh <master-ip>
Manually initialise master with kubeadm:
kubeadm-init.sh
Once kubeadm exits, make sure to copy the kubeadm join arguments,
and try kubectl get nodes from within the master.
To boot a node use:
./boot.sh <n> [<join_args> ...]
More specifically, to start 3 nodes use 3 separate shells and run this:
shell1> ./boot.sh 1 --token bb38c6.117e66eabbbce07d 192.168.65.22:6443
shell2> ./boot.sh 2 --token bb38c6.117e66eabbbce07d 192.168.65.22:6443
shell3> ./boot.sh 3 --token bb38c6.117e66eabbbce07d 192.168.65.22:6443