Ansible/README.md

Ansible

Catalogue of Ansible playbooks and helper scripts for server management

Node configuration process

Setup user configuration

• Create provisioning user without password and sudo
• Create tanguy user with password
• Disable root login (passwd --lock root)

SSH Setup

• Install fail2ban
• Disable SSH password login
• Change SSH port

Miscellaneous

• Test if unattended-upgrade is installed
• Disable if true
• Disable IPv6
• Setup hostname

Softwares

• Install k3s with token
• Install OMV for NAS node*(s)

Update system

• General package manager update

Additional configuration

• Add label to output node on k3s to enable load balancer

Notes

Running the configuration for a node without inventory

ansible-playbook init.yml -i <ips-separated-by-commas> -u creator --private-key <path-to-ssh-key> --ask-become --extra-vars '{"hostname": "foo"}'

Running the configuration for a node with inventory

• Add node to inventory
• Add node to virgin group
• Run following command

ansible-playbook init.yml -i inventory --limit virgin