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131 lines
4.3 KiB
131 lines
4.3 KiB
# playbook to go from a "base configured" server to a wg vpn peer
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- hosts: vpn
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remote_user: josiah
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gather_facts: false
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become: yes
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tasks:
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- name: add unstable to repos
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shell: |
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echo "deb http://deb.debian.org/debian/ unstable main" > /etc/apt/sources.list.d/unstable.list
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printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' > /etc/apt/preferences.d/limit-unstable
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- name: Update aptitude
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apt: update_cache=yes
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- name: install wireguard
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apt: name=wireguard state=latest
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- name: install linux headers (necessary on older cloud kernels (fuck u digitalocean))
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# the kernel version is hard coded because this is what DO currently uses
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# and that's what i use
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apt: name=linux-headers-4.19.0-6-cloud-amd64
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- name: install misc other things the internet says i need
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apt: name=build-essential
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- name: install misc other things the internet says i need
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apt: name=dkms
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- name: install misc other things the internet says i need
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apt: name=openresolv
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- name: enable kernel relay/forwarding
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shell: |
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echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
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echo "net.ipv4.conf.all.proxy_arp = 1" >> /etc/sysctl.conf
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sudo sysctl -p /etc/sysctl.conf
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iptables -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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iptables -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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iptables -A FORWARD -i wg0 -o wg0 -m conntrack --ctstate NEW -j ACCEPT
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iptables -t nat -A POSTROUTING -s 10.200.219.0/24 -o eth0 -j MASQUERADE
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- name: ensure /etc/wireguard/ exists
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file:
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path: /etc/wireguard/
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state: directory
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- name: Generate keys
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shell: |
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printf "[Interface]\nPrivateKey = " > /etc/wireguard/wg0.conf
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wg genkey | tee -a /etc/wireguard/wg0.conf | wg pubkey > /etc/wireguard/publickey
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vars:
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umask: "077"
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- name: register publickey for later use
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shell: cat /etc/wireguard/publickey
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register: server_publickey
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# install wg, generate keys, files on local machine
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- name: (local) install wg (i use) arch (btw)
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pacman:
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update_cache: yes
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name: wireguard-tools, wireguard-arch
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state: present
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delegate_to: localhost
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- name: (local) ensure /etc/wireguard/ exists
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file:
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path: /etc/wireguard/
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state: directory
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delegate_to: localhost
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- name: (local) Generate keys
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shell: |
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printf "[Interface]\nPrivateKey = " > /etc/wireguard/wg0.conf
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wg genkey | tee -a /etc/wireguard/wg0.conf | wg pubkey > /etc/wireguard/publickey
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vars:
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umask: "077"
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delegate_to: localhost
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- name: (local) register publickey for later use
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shell: cat /etc/wireguard/publickey
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register: arch_publickey
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delegate_to: localhost
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- name: (local) fill out the rest of the wg0.conf file
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blockinfile:
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path: /etc/wireguard/wg0.conf
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block: |
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Address = 10.200.219.2/32, fd86:ea04:1115::2/128
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DNS = 1.1.1.1
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[Peer]
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PublicKey = {{ server_publickey.stdout }}
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Endpoint = vpn.awful.club:51820
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AllowedIPs = 0.0.0.0/0
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delegate_to: localhost
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- name: fill out the rest of the wg0.conf file
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blockinfile:
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path: /etc/wireguard/wg0.conf
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block: |
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Address = 10.200.219.1/24
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Address = fd86:ea04:1115::1/64
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ListenPort = 51820
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SaveConfig = true
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[Peer]
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# name = luggable-laptop
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PublicKey = {{ arch_publickey.stdout }}
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AllowedIPs = 10.200.219.2/32, fd86:ea04:1115::2/128
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- name: bring wg up on the relay node
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shell: wg-quick up /etc/wireguard/wg0.conf
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- name: test if wg is up on relay
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shell: ping -c1 10.200.219.1
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register: test_result
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- name: (local) bring wg up on local
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shell: wg-quick up wg0
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delegate_to: localhost
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- name: (local) test if it worked on local
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shell: ping -c1 10.200.219.2
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register: test_result_local
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delegate_to: localhost
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- name: Test tunnel
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shell: ping -c1 10.200.219.1
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register: test_tunnel_local
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delegate_to: localhost
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ignore_errors: yes
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