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Add wayvnc option for sway

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This change allows you to start wayvnc anytime your sway session starts.
For hosts where you want to enable this, you'll need to generate the
certificate and keys, see:

https://github.com/any1/wayvnc#encryption--authentication

You can then add these to your secrets via agenix, and load them as
`vnc-key.pem` and `vnc-cert.pem` into `/run/secrets`.

Enable the wayvnc server via the option `pub-solar.sway.vnc.enable`.

At the time of writing, `tigervnc` appears to be a good vnc client to
use.

```
This commit is contained in:
Benjamin Bädorf 2022-04-28 23:20:18 +02:00
parent 9852d4a8cd
commit ad313173ad
No known key found for this signature in database
GPG key ID: 4406E80E13CD656C
4 changed files with 43 additions and 5 deletions
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6
modules/sway/config/config.d/custom-keybindings.conf
View file

@ -47,3 +47,9 @@ mode "$mode_system" {
bindsym Return mode "default"
bindsym Escape mode "default"
}
set $mode_vncclient In VNCClient mode. Press $mod+Num_Lock to return.
bindsym $mod+Num_Lock mode "$mode_vncclient"
mode "$mode_vncclient" {
bindsym $mod+Num_Lock mode "default"
}

8
modules/sway/config/wayvnc/config.nix Normal file
View file

@ -0,0 +1,8 @@
{ psCfg, pkgs }: "
address=0.0.0.0
enable_auth=true
username=${psCfg.user.name}
password=${psCfg.user.password}
private_key_file=/run/secrets/vnc-key.pem
certificate_file=/run/secrets/vnc-cert.pem
"

9
modules/sway/default.nix
View file

@ -7,12 +7,14 @@ in
{
options.pub-solar.sway = {
enable = mkEnableOption "Life in boxes";
};
options.pub-solar.sway.v4l2loopback.enable = mkOption {
vnc.enable = mkEnableOption "Enable vnc service";
v4l2loopback.enable = mkOption {
type = types.bool;
default = true;
description = "WebCam streaming tool";
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf (cfg.v4l2loopback.enable) {
@ -76,6 +78,8 @@ in
systemd.user.services.waybar = import ./waybar.service.nix pkgs;
systemd.user.targets.sway-session = import ./sway-session.target.nix pkgs;
systemd.user.services.wayvnc = mkIf cfg.vnc.enable (import ./wayvnc.service.nix pkgs);
xdg.configFile."sway/config".source = ./config/config;
xdg.configFile."sway/config.d/colorscheme.conf".source = ./config/config.d/colorscheme.conf;
xdg.configFile."sway/config.d/theme.conf".source = ./config/config.d/theme.conf;
@ -83,6 +87,7 @@ in
xdg.configFile."sway/config.d/custom-keybindings.conf".source = ./config/config.d/custom-keybindings.conf;
xdg.configFile."sway/config.d/applications.conf".source = ./config/config.d/applications.conf;
xdg.configFile."sway/config.d/systemd.conf".source = ./config/config.d/systemd.conf;
xdg.configFile."wayvnc/config".text = import ./config/wayvnc/config.nix { inherit psCfg; inherit pkgs; };
};
})
]);

19
modules/sway/wayvnc.service.nix Normal file
View file

@ -0,0 +1,19 @@
pkgs:
{
Unit = {
Description = "A VNC server for wlroots based Wayland compositors ";
Documentation = "https://github.com/any1/wayvnc";
BindsTo = [ "sway-session.target" ];
After = [ "graphical-session-pre.target" "network-online.target" ];
Wants = [ "graphical-session-pre.target" "network-online.target" ];
};
Service = {
Type = "simple";
ExecStart = "${pkgs.wayvnc}/bin/wayvnc";
};
Install = {
WantedBy = [ "sway-session.target" ];
};
}