Kubernetes Cluster using Ansible

• Clone repository.
• Create multiple centos8 servers. One master and many worker. Use vagrant like here
• assign the hostname and ip's on the newly booted centos servers
• Change the “ad_addr” in the env_variables file with the IP address of the Kubernetes master node.
• Run the following command to setup the Kubernetes Master node.

ansible-playbook setup_master_node.yml --extra-vars "ansible_sudo_pass=admin"

• Once the master node is ready, ansible script will automatically set up the worker nodes.
• Once the workers have joined the cluster, run the following command to check the status of the worker nodes.
• run below command from master node

kubectl get nodes

Additional information

• The IP addresses of the workers and masters added to the /etc/hosts file on all workers and masters as part of the prerequisites.yml playbook, if necessary or in case of DNS issues make sure the addresses have been added to /etc/hosts file.

Reference:

• https://medium.com/faun/how-to-create-your-own-kubernetes-cluster-using-ansible-7c6b5c031a5d

used https://github.com/ctienshi/kubernetes-ansible as a base and added some customization