TL;DR - is it possible to access a Wi-Fi dongle from within an lxc
container? If so, how?
I realize this isn't a typical use case, but I hope it is more typical
than the creators of LXC first imagined.
I would like to use an lxc container to develop Ubuntu 18.04 specific
software on my Ubuntu 16.04 laptop. Part of the testing I need to do
requires access to a Wi-Fi network. I have tried various bridge
combinations to make this work and none of them have been successful.
So I decided to just plug a Wi-Fi dongle into a USB port and use that
directly from the container.
The problem is... I don't know how to provide the wpa supplicant SSID
and password to the Wi-Fi adapter.
I tried:
$ lxc config device add first eth1 nic nictype=physical parent=wlx803f5d19f6d2
$ lxc start first
$ lxc exec first -- /bin/bash
root@first:~# ifconfig
and I see that eth1 exists in my first container (cleverly named
"first"). Then I tried creating a netplan .yaml file to set the SSID
and password:
network:
version: 2
wifis:
eth1:
dhcp4: true
access-points:
"home":
password: "**********"
but when I try running "netplan try" in the container, it times out
eventually, and fails.
As I thought about this, I started wondering if the "eth1" interface
in the container looks more like an ethernet interface and not at all
like a wlan interface, and if perhaps that is the source of my
problem. Another possible source of my problem is that I have never
even heard of netplan before this evening, so I have no experience
with that whatsoever.
Any thoughts or tips?
--wpd
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