Basic installation

This role discovers installation mode from your ansible inventory. For working with your inventory, it operates on two basic variables, k3s_master_group and k3s_agent_group, which are set to k3s_master and k3s_agent by default.

Following is an example of single master and 2 agents:

[k3s_master]
kube-master-1.example.org

[k3s_agent]
kube-node-1.example.org
kube-node-2.example.org

For group with master, k3s_master in that example, you should enable master installation with k3s_master variable:

k3s_master: true

Accordingly, for agents, use k3s_agent variable:

k3s_agent: true

For selecting master server to connect, you can use k3s_master_ip variable. By default it will be set to first ansible_host in ansible group specified in k3s_master_group variable.
Of course, you can always redefine it manually.