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@ -1,59 +1,6 @@
Changelog
---------
**6.3.1**
- Support Openstack Debian images (contribution by @pallinger)
**6.3.0**
- Support Raspbian (contribution by @penguineer)
**6.2.0**
- Support Ubuntu 20.04 (Focal Fossa)
- Introduce `wireguard_ubuntu_update_cache` and `wireguard_ubuntu_cache_valid_time` variables to specifiy individual Ubuntu package cache settings. Default values are the same as before.
- As kernel >= 5.6 (and kernel 5.4 in Ubuntu 20.04) now have `wireguard` module included `wireguard-dkms` package is no longer needed in that case. That's why WireGuard package installation is now part of the includes for the specific OS to make it easier to handle various cases.
**6.1.0**
- Archlinux: Linux kernel >= 5.6 contains `wireguard` module now. No need to install `wireguard-dkms` anymore in this case. Installations with LTS kernel installs `wireguard-lts` package now instead of `wireguard-dkms`. Installations with kernel <= 5.6 will still install `wireguard-dkms` package.
**6.0.4**
- Use the buster-backports repository on Debian Buster (or older), use package standard repositories on sid/bullseye.
standard repositories on sid/bullseye.
The role no longer adds the unstable _repo_ nor the _apt preference_ for that repo. There is no need to clean the preference and unstable repository, since packages from your release have a higher priority.
If you remove the apt preference (`/etc/apt/preferences.d/limit-unstable`) updates from `unstable` are accepted by apt. This likely is not what you want and may lead to an unstable state.
If you want to clean up:
* remove `/etc/apt/preferences.d/limit-unstable` and
* remove `deb http://deb.debian.org/debian/ unstable main` from `/etc/apt/sources.list.d/deb_debian_org_debian.list`.
The backports repository has a lower priority and does not need an apt preference.
**6.0.3**
- If `wg syncconf` command is not available do stop/start service instead of restart (contribution by @cristichiru)
**6.0.2**
- Debian: install `gnupg` package instead of `gpg`. (contribution by @zinefer)
**6.0.1**
- add shell options to syncconf handler to fail fast in case of error
**6.0.0**
- Newer versions of WireGuard (around November 2019) introduced `wg syncconf` subcommand. This has the advantage that changes to the WireGuard configuration can be applied without disturbing existing connections. With this change this role tries to use `wg syncconf` subcommand when available. This even works if you have hosts with older and newer WireGuard versions.
**5.0.0**
- `wireguard_(preup|postdown|preup|predown)` settings are now a list. If more `iptables` commands needs to be specified e.g. then this changes makes it more readable. The commands are executed in order as described in [wg-quick.8](https://git.zx2c4.com/wireguard-tools/about/src/man/wg-quick.8). Also see README for more examples. (contribution by @Madic-)
**4.2.0**
- Add support for Fedora (contribution by @ties)

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@ -1,5 +1,3 @@
# Fork of https://github.com/githubixx/ansible-role-wireguard.git with some minor tweaks to ensure PiFrameFleet can be provisioned properly
ansible-role-wireguard
======================
@ -9,7 +7,7 @@ I used [PeerVPN](https://peervpn.net/) before but that wasn't updated for a whil
In general WireGuard is a network tunnel (VPN) for IPv4 and IPv6 that uses UDP. If you need more information about [WireGuard](https://www.wireguard.io/) you can find a good introduction here: [Installing WireGuard, the Modern VPN](https://research.kudelskisecurity.com/2017/06/07/installing-wireguard-the-modern-vpn/).
This role is tested with Ubuntu 18.04 (Bionic Beaver), Ubuntu 20 (Focal Fossa) and Archlinux. Ubuntu 16.04 (Xenial Xerus), Debian 9 (Stretch), Debian 10 (Buster), Fedora 31 (or later) and CentOS 7 might also work or other distributions but haven't tested it (code for this operating systems was submitted by other contributors). If someone tested it let me please know if it works or send a pull request to make it work ;-)
This role was tested with Ubuntu 18.04 (Bionic Beaver), Debian 9 (Stretch) and Archlinux. It might also work with Ubuntu 16.04 (Xenial Xerus) but haven't tested it. If someone tested it let me please know if it works ;-)
Versions
--------
@ -19,7 +17,7 @@ I tag every release and try to stay with [semantic versioning](http://semver.org
Requirements
------------
By default port `51820` (protocol UDP) should be accessable from the outside. But you can adjust the port by changing the variable `wireguard_port`. Also IP forwarding needs to be enabled e.g. via `echo 1 > /proc/sys/net/ipv4/ip_forward `. I decided not to implement this task in this Ansible role. IMHO that should be handled elsewhere. You can use my [ansible-role-harden-linux](https://github.com/githubixx/ansible-role-harden-linux) e.g. Besides changing sysctl entries (which you need to enable IP forwarding) it also manages firewall settings among other things. Nevertheless the `PreUp`, `PreDown`, `PostUp` and `PostDown` hooks may be a good place to do some network related stuff before a WireGuard interface comes up or goes down.
By default port `51820` (protocol UDP) should be accessable from the outside. But you can adjust the port by changing the variable `wireguard_port`. Also IP forwarding needs to be enabled e.g. via `echo 1 > /proc/sys/net/ipv4/ip_forward `. I decided not to implement this task in this Ansible role. IMHO that should be handled elsewhere. You can use my [ansible-role-harden-linux](https://github.com/githubixx/ansible-role-harden-linux) e.g. Besides changing sysctl entries (which you need to enable IP forwarding) it also manages firewall settings among other things.
Changelog
---------
@ -88,34 +86,13 @@ wireguard_dns: "1.1.1.1"
wireguard_fwmark: "1234"
wireguard_mtu: "1492"
wireguard_table: "5000"
wireguard_preup:
- ...
wireguard_predown:
- ...
wireguard_postup:
- ...
wireguard_postdown:
- ...
wireguard_preup: "..."
wireguard_predown: "..."
wireguard_postup: "..."
wireguard_postdown: "..."
wireguard_save_config: "true"
```
`wireguard_(preup|predown|postup|postdown)` are specified as lists. Here are two examples:
```
wireguard_postup:
- iptables -t nat -A POSTROUTING -o ens12 -j MASQUERADE
- iptables -A FORWARD -i %i -j ACCEPT
- iptables -A FORWARD -o %i -j ACCEPT
```
```
wireguard_preup:
- echo 1 > /proc/sys/net/ipv4/ip_forward
- ufw allow 51820/udp
```
The commands are executed in order as described in [wg-quick.8](https://git.zx2c4.com/wireguard-tools/about/src/man/wg-quick.8).
`wireguard_address` is required as already mentioned. It's the IP of the interface name defined with `wireguard_interface` variable (`wg0` by default). Every host needs a unique VPN IP of course. If you don't set `wireguard_endpoint` the playbook will use the hostname defined in the `vpn` hosts group (the Ansible inventory hostname). If you set `wireguard_endpoint` to `""` (empty string) that peer won't have a endpoint. That means that this host can only access hosts that have a `wireguard_endpoint`. That's useful for clients that don't expose any services to the VPN and only want to access services on other hosts. So if you only define one host with `wireguard_endpoint` set and all other hosts have `wireguard_endpoint` set to `""` (empty string) that basically means you've only clients besides one which in that case is the WireGuard server. The third possibility is to set `wireguard_endpoint` to some hostname. E.g. if you have different hostnames for the private and public DNS of that host and need different DNS entries for that case setting `wireguard_endpoint` becomes handy. Take for example the IP above: `wireguard_address: "10.8.0.101"`. That's a private IP and I've created a DNS entry for that private IP like `host01.i.domain.tld` (`i` for internal in that case). For the public IP I've created a DNS entry like `host01.p.domain.tld` (`p` for public). The `wireguard_endpoint` needs to be a interface that the other members in the `vpn` group can connect to. So in that case I would set `wireguard_endpoint` to `host01.p.domain.tld` because WireGuard normally needs to be able to connect to the public IP of the other host(s).
Here is a litte example for what I use the playbook: I use WireGuard to setup a fully meshed VPN (every host can directly connect to every other host) and run my Kubernetes (K8s) cluster at Hetzner Cloud (but you should be able to use any hoster you want). So the important components like the K8s controller and worker nodes (which includes the pods) only communicate via encrypted WireGuard VPN. Also (as already) mentioned I've two clients. Both have `kubectl` installed and are able to talk to the internal Kubernetes API server by using WireGuard VPN. One of the two clients also exposes a WireGuard endpoint because the Postfix mailserver in the cloud and my internal Postfix needs to be able to talk to each other. I guess that's maybe a not so common use case for WireGuard :D But it shows what's possible. So let me explain the setup which might help you to use this Ansible role.
@ -268,10 +245,10 @@ Example Playbook
- wireguard
```
Example Inventory using two different WireGuard interfaces on host "multi"
--------------------------------------------------------------------------
Example Inventory using 2 different WireGuard interfaces on host multi
----------------------------------------------------------------------
This is a complex example using yaml inventory format:
This is a complex example using yaml inventory format
```
vpn1:
@ -296,13 +273,10 @@ vpn1:
vpn2:
hosts:
# Use a different name, and define ansible_host, to avoid mixing of vars without
# needing to prefix vars with interface name.
multi-wg1:
multi-wg1: # use a different name, and define ansible_host, to avoid mixing of vars without needing to prefix vars with interface name
ansible_host: multi
wireguard_interface: wg1
# when using several interface on one host, we must use different ports
wireguard_port: 51821
wireguard_port: 51821 # when using several interface on one host, we must use different ports
wireguard_address: 10.9.1.1/32
wireguard_endpoint: multi.exemple.com
another:

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@ -1,8 +1,4 @@
---
#######################################
# General settings
#######################################
# Directory to store WireGuard configuration on the remote hosts
wireguard_remote_directory: "/etc/wireguard"
@ -11,17 +7,3 @@ wireguard_port: "51820"
# The default interface name that wireguard should use if not specified otherwise.
wireguard_interface: "wg0"
# Whether or not WireGuard is running in a container
wireguard_containerized: false
#######################################
# Settings only relevant for Ubuntu
#######################################
# Set to "false" if package cache should not be updated
wireguard_ubuntu_update_cache: "true"
# Set package cache valid time
wireguard_ubuntu_cache_valid_time: "3600"

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@ -0,0 +1,3 @@
Package: *
Pin: release a=unstable
Pin-Priority: 90

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@ -2,27 +2,4 @@
- name: restart wireguard
service:
name: "wg-quick@{{ wireguard_interface }}"
state: "{{ item }}"
loop:
- stopped
- started
when: not wg_syncconf and not wireguard_containerized
listen: "reconfigure wireguard"
- name: syncconf wireguard
shell: |
set -o errexit
set -o pipefail
set -o nounset
systemctl is-active wg-quick@wg-quick@{{ wireguard_interface|quote }} || systemctl start wg-quick@{{ wireguard_interface|quote }}
wg syncconf {{ wireguard_interface|quote }} <(wg-quick strip /etc/wireguard/{{ wireguard_interface|quote }}.conf)
exit 0
args:
executable: "/bin/bash"
when: wg_syncconf and not wireguard_containerized
listen: "reconfigure wireguard"
- name: restart wireguard (container)
command: /usr/bin/s6-svc -r /var/run/s6/services/wireguard
when: wireguard_containerized
listen: "reconfigure wireguard"
state: restarted

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@ -8,11 +8,9 @@ galaxy_info:
- name: Ubuntu
versions:
- bionic
- focal
- name: Debian
versions:
- stretch
- buster
- name: EL
versions:
- 7

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@ -3,7 +3,17 @@
setup:
- include_tasks: "setup-{{ ansible_distribution|lower }}.yml"
when: not wireguard_containerized
- name: Install WireGuard
package:
name: "{{ packages }}"
state: present
vars:
packages:
- wireguard-dkms
- wireguard-tools
tags:
- wg-install
- name: Enable WireGuard kernel module
modprobe:
@ -29,29 +39,10 @@
- wg-generate-keys
- wg-config
- name: Get wg subcommands
command: "wg --help"
register: wg_subcommands
changed_when: false
- name: Set default value for wg_syncconf variable (assume wg syncconf subcommand not available)
set_fact:
wg_syncconf: false
- name: Check if wg syncconf subcommand is available
set_fact:
wg_syncconf: true
when: wg_subcommands.stdout | regex_search('syncconf:')
- name: Show syncconf subcommand status
debug:
var: wg_syncconf
- block:
- name: Generate WireGuard private key
command: "wg genkey"
shell: "wg genkey"
register: wg_private_key_result
changed_when: false
tags:
- wg-generate-keys
@ -108,7 +99,7 @@
tags:
- wg-config
notify:
- reconfigure wireguard
- restart wireguard
- name: Check if reload-module-on-update is set
stat:
@ -130,4 +121,3 @@
name: "wg-quick@{{ wireguard_interface }}"
state: started
enabled: yes
when: not wireguard_containerized

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@ -1,32 +1,11 @@
---
- name: (Archlinux) Install wireguard-lts package
- name: Install required packages
pacman:
name: "{{ item.name }}"
state: "{{ item.state }}"
with_items:
- { name: wireguard-dkms, state: absent }
- { name: wireguard-lts, state: present }
become: yes
tags:
- wg-install
when:
- ansible_kernel is match(".*-lts$")
- ansible_kernel is version('5.6', '<')
- name: (Archlinux) Install wireguard-dkms package
pacman:
name: wireguard-dkms
name: "{{ packages }}"
state: present
become: yes
tags:
- wg-install
when:
- not ansible_kernel is match(".*-lts$")
- ansible_kernel is version('5.6', '<')
- name: (Archlinux) Install wireguard-tools package
pacman:
name: wireguard-tools
state: present
vars:
packages:
- linux-headers
tags:
- wg-install

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@ -1,19 +1,11 @@
---
- name: (CentOS) Add WireGuard repository
- name: Add WireGuard repository
get_url:
url: https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo
dest: /etc/yum.repos.d/wireguard.repo
- name: (CentOS) Install EPEL repository
- name: Install EPEL repository
yum:
name: epel-release
update_cache: yes
- name: (CentOS) Install wireguard packages
yum:
name:
- "wireguard-dkms"
- "wireguard-tools"
state: present
tags:
- wg-install

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@ -1,93 +0,0 @@
---
- name: (Raspbian) Install GPG - required to add wireguard key
apt:
name: gnupg
state: present
- name: (Raspbian) Add Debian repository key
apt_key:
keyserver: "keyserver.ubuntu.com"
id: "04EE7237B7D453EC"
state: present
when: ansible_lsb.id == "Raspbian"
tags:
- wg-install
- name: (Raspbian) Add Debian Unstable repository for WireGuard
apt_repository:
repo: "deb http://deb.debian.org/debian unstable main"
state: present
update_cache: yes
tags:
- wg-install
- name: (Raspbian) Install latest kernel
apt:
name:
- "raspberrypi-kernel"
state: latest
register: kernel_update
tags:
- wg-install
- name: (Raspbian) Reboot after kernel update (Ansible >= 2.8)
reboot:
search_paths: ['/lib/molly-guard', '/usr/sbin']
when:
- ansible_version.full is version('2.8.0', '>=')
- kernel_update is changed
tags:
- wg-install
- name: (Raspbian) Check if molly-guard is installed (Ansible < 2.8)
stat:
path: /lib/molly-guard/
register: molly_guard
- name: (Raspbian) Reboot after kernel update (Ansible < 2.8, no molly-guard)
reboot:
when:
- ansible_version.full is version('2.8.0', '<')
- kernel_update is changed
- not molly_guard.stat.exists
tags:
- wg-install
- name: (Raspbian) Reboot after kernel update (Ansible < 2.8, with molly-guard)
command: /lib/molly-guard/shutdown -r now
async: 1
poll: 0
ignore_unreachable: yes
when:
- ansible_version.full is version('2.8.0', '<')
- kernel_update is changed
- molly_guard.stat.exists
tags:
- wg-install
- name: (Raspbian) Waiting for host to be available (Ansible < 2.8, with molly-guard)
wait_for_connection:
when:
- ansible_version.full is version('2.8.0', '<')
- kernel_update is changed
- molly_guard.stat.exists
tags:
- wg-install
- name: (Raspbian) Install latest kernel headers to compile Wireguard with DKMS
apt:
name:
- "raspberrypi-kernel-headers"
state: latest
tags:
- wg-install
- name: (Raspbian) Install wireguard packages
apt:
name:
- "wireguard-dkms"
- "wireguard-tools"
state: present
tags:
- wg-install

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@ -1,37 +0,0 @@
---
- name: (Debian) Install GPG - required to add wireguard key
apt:
name: gnupg
state: present
- name: (Debian) Add WireGuard repository on buster or earlier
apt_repository:
repo: "deb http://deb.debian.org/debian buster-backports main"
state: present
update_cache: yes
when: ansible_distribution_version | int <= 10
tags:
- wg-install
- name: (Debian) Get architecture
command: "dpkg --print-architecture"
register: dpkg_arch
changed_when: False
- set_fact:
kernel_header_version: "{{ ('-cloud-' in ansible_kernel) | ternary(ansible_kernel,dpkg_arch.stdout) }}"
- name: (Debian) Install kernel headers to compile Wireguard with DKMS
apt:
name:
- "linux-headers-{{ kernel_header_version }}"
state: present
- name: (Debian) Install wireguard packages
apt:
name:
- "wireguard-dkms"
- "wireguard-tools"
state: present
tags:
- wg-install

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@ -1,8 +1,42 @@
---
- name: Setup WireGuard preference
copy:
src: debian/etc/apt/preferences.d/limit-unstable
dest: /etc/apt/preferences.d/limit-unstable
owner: root
group: root
mode: 0644
tags:
- wg-install
- include_tasks: "setup-debian-raspbian.yml"
when: ansible_lsb.id == "Raspbian"
register: raspbian_setup
- name: Install GPG - required to add wireguard key
apt:
name: gpg
state: present
- include_tasks: "setup-debian-vanilla.yml"
when: raspbian_setup is skipped
- name: Add WireGuard key
apt_key:
keyserver: "keyserver.ubuntu.com"
id: "8B48AD6246925553"
state: present
tags:
- wg-install
- name: Add WireGuard repository
apt_repository:
repo: "deb http://deb.debian.org/debian/ unstable main"
state: present
update_cache: yes
tags:
- wg-install
- name: Get architecture
shell: dpkg --print-architecture
register: dpkg_arch
changed_when: False
- name: Install kernel headers to compile wireguard with DKMS
apt:
name:
- "linux-headers-{{ dpkg_arch.stdout }}"
state: present

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@ -1,17 +1,8 @@
---
- name: (Fedora) Add wireguard COPR
yum_repository:
name: "jdoss-wireguard"
description: "Copr repo for wireguard owned by jdoss"
baseurl: "https://copr-be.cloud.fedoraproject.org/results/jdoss/wireguard/fedora-$releasever-$basearch/"
gpgkey: "https://copr-be.cloud.fedoraproject.org/results/jdoss/wireguard/pubkey.gpg"
gpgcheck: yes
- name: (Fedora) Install wireguard packages
yum:
name:
- "wireguard-dkms"
- "wireguard-tools"
state: present
tags:
- wg-install
- name: Add wireguard COPR
yum_repository:
name: "jdoss-wireguard"
description: "Copr repo for wireguard owned by jdoss"
baseurl: "https://copr-be.cloud.fedoraproject.org/results/jdoss/wireguard/fedora-$releasever-$basearch/"
gpgkey: "https://copr-be.cloud.fedoraproject.org/results/jdoss/wireguard/pubkey.gpg"
gpgcheck: yes

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@ -1,48 +1,26 @@
---
- name: (Ubuntu) Update APT package cache
- name: Update APT package cache
apt:
update_cache: "{{ wireguard_ubuntu_update_cache }}"
cache_valid_time: "{{ wireguard_ubuntu_cache_valid_time }}"
update_cache: true
cache_valid_time: 3600
tags:
- wg-install
- block:
- name: (Ubuntu) Install support packages needed for Wireguard (for Ubuntu < 19.10)
package:
name: "{{ packages }}"
state: present
vars:
packages:
- software-properties-common
- linux-headers-{{ ansible_kernel }}
tags:
- wg-install
- name: Install required packages
package:
name: "{{ packages }}"
state: present
vars:
packages:
- software-properties-common
- linux-headers-{{ ansible_kernel }}
tags:
- wg-install
- name: (Ubuntu) Add WireGuard repository (for Ubuntu < 19.10)
apt_repository:
repo: "ppa:wireguard/wireguard"
state: present
update_cache: yes
tags:
- wg-install
- name: (Ubuntu) Install wireguard packages (for Ubuntu < 19.10)
apt:
name:
- "wireguard-dkms"
- "wireguard-tools"
state: present
tags:
- wg-install
when:
- ansible_lsb.major_release is version('19.10', '<')
- block:
- name: (Ubuntu) Install wireguard-tools package (for Ubuntu > 19.04)
apt:
name: "wireguard-tools"
state: present
tags:
- wg-install
when:
- ansible_lsb.major_release is version('19.04', '>')
- name: Add WireGuard repository
apt_repository:
repo: "ppa:wireguard/wireguard"
state: present
update_cache: yes
tags:
- wg-install

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@ -39,32 +39,32 @@ PostDown = {{ wg_postdown }}
{% if hostvars[inventory_hostname].wireguard_save_config is defined %}
SaveConfig = true
{% endif %}
{% for host in ansible_play_hosts_all %}
{% if host != inventory_hostname %}
[Peer]
# {{ host }}
PublicKey = {{hostvars[host].public_key}}
{% if hostvars[host].wireguard_allowed_ips is defined %}
AllowedIPs = {{hostvars[host].wireguard_allowed_ips}}
{% else %}
AllowedIPs = {{hostvars[host].wireguard_ip}}/32
{% endif %}
{% if hostvars[host].wireguard_persistent_keepalive is defined %}
PersistentKeepalive = {{hostvars[host].wireguard_persistent_keepalive}}
{% endif %}
{% if hostvars[host].wireguard_port is defined and hostvars[host].wireguard_port is number %}
{% if hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
Endpoint = {{hostvars[host].wireguard_endpoint}}:{{hostvars[host].wireguard_port}}
{% else %}
Endpoint = {{host}}:{{hostvars[host].wireguard_port}}
{% endif %}
{% elif hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
Endpoint = {{hostvars[host].wireguard_endpoint}}:{{wireguard_port}}
{% elif hostvars[host].wireguard_endpoint == "" %}
# No endpoint defined for this peer
{% else %}
Endpoint = {{host}}:{{wireguard_port}}
{% endif %}
{% endif %}
{% for host in ansible_play_hosts %}
{% if host != inventory_hostname %}
[Peer]
# {{ host }}
PublicKey = {{hostvars[host].public_key}}
{% if hostvars[host].wireguard_allowed_ips is defined %}
AllowedIPs = {{hostvars[host].wireguard_allowed_ips}}
{% else %}
AllowedIPs = {{hostvars[host].wireguard_ip}}/32
{% endif %}
{% if hostvars[host].wireguard_persistent_keepalive is defined %}
PersistentKeepalive = {{hostvars[host].wireguard_persistent_keepalive}}
{% endif %}
{% if hostvars[host].wireguard_port is defined and hostvars[host].wireguard_port is number %}
{% if hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
Endpoint = {{hostvars[host].wireguard_endpoint}}:{{hostvars[host].wireguard_port}}
{% else %}
Endpoint = {{host}}:{{hostvars[host].wireguard_port}}
{% endif %}
{% elif hostvars[host].wireguard_endpoint is defined and hostvars[host].wireguard_endpoint != "" %}
Endpoint = {{hostvars[host].wireguard_endpoint}}:{{wireguard_port}}
{% elif hostvars[host].wireguard_endpoint == "" %}
# No endpoint defined for this peer
{% else %}
Endpoint = {{host}}:{{wireguard_port}}
{% endif %}
{% endif %}
{% endfor %}