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---
- name: Wireguard config
hosts: tamriel
remote_user: ansible_worker
become: yes
vars_files:
- secrets.yml
tasks:
- name: install wireguard
apt:
name: wireguard
- name: IPv4 forwarding
sysctl:
name: net.ipv4.ip_forward
value: "1"
state: present
- name: ARP proxy
sysctl:
name: net.ipv4.conf.all.proxy_arp
value: "1"
state: present
- name: Enable systemd-networkd
systemd:
enabled: true
state: started
name: systemd-networkd
- name: Generate wireguard config
template:
src: templates/wg.netdev.j2
dest: /etc/systemd/network/30-wg0.netdev
owner: root
group: systemd-network
mode: "640"
- name: Generate networkd config
template:
src: templates/wg.network.j2
dest: /etc/systemd/network/30-wg0.network
- name: Remove interface #systemd-networkd doesn't reload netdev
shell: ip link del dev wg0 || true
- name: Restart systemd-networkd
systemd:
state: restarted
name: systemd-networkd
- iptables:
chain: INPUT
match: conntrack
ctstate: ["RELATED","ESTABLISHED"]
jump: ACCEPT
- iptables:
chain: FORWARD
match: conntrack
ctstate: ["RELATED","ESTABLISHED"]
jump: ACCEPT
- iptables:
chain: FORWARD
in_interface: wg0
out_interface: wg0
match: conntrack
ctstate: ["NEW"]
jump: ACCEPT
- iptables:
chain: FORWARD
in_interface: wg0
jump: ACCEPT
- iptables:
table: nat
chain: POSTROUTING
out_interface: ens2
jump: MASQUERADE
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