vbox-prod-k8s-master-01 ansible_host=10.250.50.22 ip=10.250.50.22  
vbox-prod-k8s-slave-01 ansible_host=10.250.50.23 ip=10.250.50.23  
vbox-prod-k8s-slave-02 ansible_host=10.250.50.21 ip=10.250.50.21  

[kube_control_plane]
vbox-prod-k8s-master-01

[etcd]
vbox-prod-k8s-master-01

[kube_node]
vbox-prod-k8s-slave-01
vbox-prod-k8s-slave-02

[k8s_cluster:children]
kube_control_plane
kube_node

[all:vars]
ansible_connection=ssh
ansible_user=sre-admin
ansible_ssh_private_key_file=/home/sre-admin/.ssh/id_rsa