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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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modules/common/home.nix
+32 -31
View File
@@ -1,22 +1,23 @@
{ config, pkgs, lib, ... }:
{ config, pkgs, lib, vars, ... }:
let
remote = "root@proxmox-ip:/var/lib/vz/template/iso";
localMount = "${config.home.homeDirectory}/proxmox-iso";
in {
in
{
imports = [
./aliases.nix
];
home.username = "nixos"; # your actual username
home.homeDirectory = "/home/nixos";
home.stateVersion = "25.11"; # match your NixOS stateVersion
home.username = vars.primaryUser;
home.homeDirectory = "/home/${vars.primaryUser}";
home.stateVersion = "25.11"; # match your NixOS stateVersion
programs.home-manager.enable = true; # mandatory to activate HM
programs.bash.enable = true;
programs.home-manager.enable = true; # mandatory to activate HM
programs.bash.enable = true;
# GitHub access-tokens setting used to live here in plaintext; it's now
# rendered system-wide from a sops-nix secret via nix.extraOptions in
# modules/common/configuration.nix instead (covers the daemon for every
@@ -35,31 +36,31 @@ programs.bash.enable = true;
home.sessionVariables = {
EDITOR = "nano";
};
# systemd.user.services.mount-proxmox-iso = {
# Unit = {
# Description = "Mount Proxmox ISO dir via SSHFS";
# After = [ "network-online.target" ];
# Wants = [ "network-online.target" ];
# };
# systemd.user.services.mount-proxmox-iso = {
# Unit = {
# Description = "Mount Proxmox ISO dir via SSHFS";
# After = [ "network-online.target" ];
# Wants = [ "network-online.target" ];
# };
# Service = {
# Type = "simple";
# ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p ${localMount}";
# ExecStart = "${pkgs.sshfs}/bin/sshfs -o IdentityFile=${config.home.homeDirectory}/.ssh/id_ed25519,allow_other,reconnect,ServerAliveInterval=15,ServerAliveCountMax=3 root@proxmox-ip:/var/lib/vz/template/iso ${localMount}";
# ExecStop = "${pkgs.fuse3}/bin/fusermount3 -u ${localMount}";
# Restart = "on-failure";
# };
# Service = {
# Type = "simple";
# ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p ${localMount}";
# ExecStart = "${pkgs.sshfs}/bin/sshfs -o IdentityFile=${config.home.homeDirectory}/.ssh/id_ed25519,allow_other,reconnect,ServerAliveInterval=15,ServerAliveCountMax=3 root@proxmox-ip:/var/lib/vz/template/iso ${localMount}";
# ExecStop = "${pkgs.fuse3}/bin/fusermount3 -u ${localMount}";
# Restart = "on-failure";
# };
# Install = {
# WantedBy = [ "default.target" ];
# };
# };
# Install = {
# WantedBy = [ "default.target" ];
# };
# };
# Optional: enable bash (or zsh, fish...)
# programs.bash.enable = true;
# programs.bash.enable = true;
# Optional: manage dotfiles via symlinks
# home.file = {
# ".tmux.conf".source = ./dotfiles/tmux.conf;
# ".config/nvim/init.vim".source = ./dotfiles/init.vim;
# };
# home.file = {
# ".tmux.conf".source = ./dotfiles/tmux.conf;
# ".config/nvim/init.vim".source = ./dotfiles/init.vim;
# };
}