WireGuard could not start

StreisandEffect / streisand

Streisand sets up a new server running your choice of WireGuard, OpenConnect, OpenSSH, OpenVPN, Shadowsocks, sslh, Stunnel, or a Tor bridge. It also generates custom instructions for all of these services. At the end of the run you are given an HTML file with instructions that can be shared with friends, family members, and fellow activists.

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Expected behavior:

WireGuard client should connect to Streisand server and works fine.

Actual Behavior:

WireGuard client connection is activated but could not work.

Steps to Reproduce:

Instal Streisand from the builder macOS.
the installation script has the error "TASK [wireguard : Enable the WireGuard service so it starts at boot, and bring up the WireGuard network interface] *** fatal: [streisandIP]: FAILED! => {"changed": false, "msg": "Unable to start service wg-quick@wg0.service: Job for wg-quick@wg0.service failed because the control process exited with error code. See \"systemctl status wg-quick@wg0.service\" and \"journalctl -xe\" for details.\n"}

Ansible Information

Ansible version: 2.8.4
Ansible system: Darwin
Host OS: MacOSX
Host OS version: 10.15.5
Python interpreter: python3
Python version: 3.7.7

Streisand Information

Streisand Git revision: af5eb7dac157a2416ea64cba96cf32f7f505d9ff
Streisand Git clone has untracked changes: no
Genesis role: genesis-linode
Custom SSH key: False

Enabled Roles

Shadowsocks enabled: True
Wireguard enabled: True
OpenVPN enabled: False
stunnel enabled: False
Tor enabled: False
Openconnect enabled: True
TinyProxy enabled: True
SSH forward user enabled: True
Configured number of VPN clients: 10

Additional Details:

Log output from Ansible or other relevant services (link to Gist for longer output):

Target Cloud Provider:

Operating System of target host:

Operating System of client:

Version of Ansible, using `ansible --version` :

Output from `git rev-parse HEAD` in your Streisand directory :

I had the same issue with a similar setup. After noticing there was an issue with wireguard, I logged in via SSH and ran the following commands:

root@streisand:~# sudo wg
root@streisand:~#

No output meant it wasn't running, try to start:

root@streisand:~# sudo wg-quick up wg0
[#] ip link add wg0 type wireguard
RTNETLINK answers: Operation not supported
Unable to access interface: Protocol not supported
[#] ip link delete dev wg0
Cannot find device "wg0"

root@streisand:~# modprobe wireguard 
modprobe: FATAL: Module wireguard not found in directory /lib/modules/4.4.0-185-generic

I fixed my wireguard using the following steps:

apt purge wireguard-dkms
apt install wireguard-dkms

And now I was able to start it:

root@streisand:~# sudo wg-quick up wg0
[#] ip link add wg0 type wireguard
[#] wg setconf wg0 /dev/fd/63
[#] ip -4 address add 10.192.122.1/24 dev wg0
[#] ip link set mtu 1420 up dev wg0

I hope that helps solve your issue, but it might be off-topic for the issue

StreisandEffect / streisand