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wireguard-worker

This repository contains Ansible roles and playbooks to create a WireGuard VPN between machines. Once this VPN is established we run openshift-ansible to scale up the cluster and add this new node.

Requirements

  • RHEL7.x or RHEL8.x
  • Ansible >= 2.9.5
  • Passwordless SSH between nodes

Quickstart

Create an Ansible Inventory

Create an inventory file with the appropriate groups and variables defined. An example inventory can be found in inventory/hosts.example.

Required variables include:

  • address - New IP address of the "server" on the VPN subnet
  • vpn_network - VPN network subnet (three octets only: 192.168.111)
  • allowed_ips - Existing CIDR for private baremetal network (CIDR notation: 192.168.222.0/24)
  • endpoint - Public IP of new client endpoint (keep port the default: 10.10.10.324:51820)
  • rhsm_user - If you need to run subscription manager on the new node, supply the RHSM username
  • rhsm_password - If you need to run subscription manager on the new node, supply the RHSM password

Run the install_wg playbook

cd wireguard-worker
ansible-playbook -i inventory/hosts playbooks/install_wg.yml

NOTE: There is one step that requires user intervention for now and that is the firewall rules to masquerade between the new wg0 interface on the server and the private NIC and/or the public NIC.

Further reading

Contributing

See the contribution guide.