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Centralize shared values into variables.nix

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One file (variables.nix) holding every value that was previously
hardcoded and repeated across modules: LAN domain/CIDR, home/tailnet
domains, cross-host references (nix-cache substituter hostname, NFS
server hostname, remote-builder user), PXE/PBS IPs, timezone, and the
primary username.

Wired in via flake.nix's specialArgs (and home-manager's
extraSpecialArgs for the two home.nix files), so any module picks it
up by just adding `vars` to its function arguments — no explicit
import needed. Two hosts (nix-cache, server) now derive their own
networking.hostName from the same variable other hosts use to reach
them, so there's exactly one place to change either identifier.

Purely mechanical: every substituted value matches what was already
there, confirmed by identical toplevel .drv paths for all 17 targets
before and after.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
beatzaplenty
2026-07-19 14:51:37 +10:00
co-authored by Claude Sonnet 5
parent 71d052e737
commit eadb1e35ce
20 changed files with 219 additions and 191 deletions
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hosts/nixos/home.nix
+50 -50
View File
@@ -1,16 +1,16 @@
{ config, pkgs, lib, ... }:
{ config, pkgs, lib, vars, ... }:
{
imports = [
imports = [
../../modules/common/aliases.nix
];
home.username = "nixos"; # your actual username
home.homeDirectory = "/home/nixos";
home.stateVersion = "25.05"; # match your NixOS stateVersion
home.username = vars.primaryUser;
home.homeDirectory = "/home/${vars.primaryUser}";
home.stateVersion = "25.05"; # match your NixOS stateVersion
programs.home-manager.enable = true; # mandatory to activate HM
programs.home-manager.enable = true; # mandatory to activate HM
# Optional: packages
home.packages = with pkgs; [
@@ -18,7 +18,7 @@
vim
tmux
nextcloud-client
# vscode
# vscode
chromium
];
@@ -29,51 +29,51 @@
# Optional: enable bash (or zsh, fish...)
programs.bash.enable = true;
services.nextcloud-client = {
services.nextcloud-client = {
enable = true;
# Optionally start in background directly
startInBackground = true;
};
home.file = {
".local/share/applications/proxmox-chromium-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox (Chromium)
Exec=chromium --app=https://pve.sweet.home:8006 --window-size=1920,1080 --window-position=0,0
Icon=/home/nixos/.local/share/icons/proxmox.png
Terminal=false
Categories=Hypervisor;
StartupWMClass=PVE
'';
".local/share/applications/pbs-chromium-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox Backup Server (Chromium)
Exec=chromium --app=https://192.168.2.108:8007 --window-size=1920,1080 --window-position=0,0
Icon=/home/nixos/.local/share/icons/proxmox.png
Terminal=false
Categories=backup;
home.file = {
".local/share/applications/proxmox-chromium-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox (Chromium)
Exec=chromium --app=https://pve.${vars.homeDomain}:8006 --window-size=1920,1080 --window-position=0,0
Icon=${config.home.homeDirectory}/.local/share/icons/proxmox.png
Terminal=false
Categories=Hypervisor;
StartupWMClass=PVE
'';
".local/share/applications/pbs-chromium-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox Backup Server (Chromium)
Exec=chromium --app=https://${vars.pbsIp}:8007 --window-size=1920,1080 --window-position=0,0
Icon=${config.home.homeDirectory}/.local/share/icons/proxmox.png
Terminal=false
Categories=backup;
'';
".local/share/applications/proxmox-firefox-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox (Firefox)
Exec=firefox --new-instance https://pve.sweet.home:8006 --profile ProxmoxWebApp --window-size=1920,1080 --class ProxmoxWebApp
Icon=/home/nixos/.local/share/icons/proxmox.png
Terminal=false
Categories=Hypervisor;
StartupWMClass=PVE
'';
".local/share/applications/pbs-firefox-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox Backup Server (Firefox)
Exec=firefox --new-window https://192.168.2.108:8007 --profile PbsWebApp --window-size=1920,1080 --class PbsWebApp
Icon=/home/nixos/.local/share/icons/proxmox.png
Terminal=false
Categories=backup;
StartupWMClass=PBS
'';
};
}
'';
".local/share/applications/proxmox-firefox-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox (Firefox)
Exec=firefox --new-instance https://pve.${vars.homeDomain}:8006 --profile ProxmoxWebApp --window-size=1920,1080 --class ProxmoxWebApp
Icon=${config.home.homeDirectory}/.local/share/icons/proxmox.png
Terminal=false
Categories=Hypervisor;
StartupWMClass=PVE
'';
".local/share/applications/pbs-firefox-app.desktop".text = ''
[Desktop Entry]
Type=Application
Name=Proxmox Backup Server (Firefox)
Exec=firefox --new-window https://${vars.pbsIp}:8007 --profile PbsWebApp --window-size=1920,1080 --class PbsWebApp
Icon=${config.home.homeDirectory}/.local/share/icons/proxmox.png
Terminal=false
Categories=backup;
StartupWMClass=PBS
'';
};
}