This is an Ansible playbook for launching Kubernetes multi-node cluster in the AWS with one node as the master node and two as the worker node.
This role will launch the 3 instances in the AWS and update the IP addresses of those instances in ip.txt which is the ansible inventry.
This role will first setup the Kubernetes repo in the machine and then download and configure kubeadm , this will also initialize the kubeadm with the specific IP range. You can change the IP range in main.yml in vars directory.
This role will configure two slave nodes same as the master node but the difference is that it will not initialize the kubeadm.
This is the main file it will first launch the instances in the AWS, configure those nodes and at last it will generate the token from the master node and paste in the slave nodes. But before running this file make sure to enter you IP address in ip.txt.
Just create one file by the name pass.yml with the help of ansible vault (How to use ansible vault you can check here) and you are good to go.
Now just run the ansible-playbook cluster.yml --ask-vault-pass it will ask for the vault password in which your AWS credentials is stored and that's all!!