NixOS + home-manager configs, mirrored from GitLab SaaS.
gitlab.com/andreijiroh-dev/nixops-config
nix-flake
nixos
home-manager
nixpkgs
nix-flakes
Add utility script for config deployments and update docs
Signed-off-by: Andrei Jiroh Halili <ajhalili2006@andreijiroh.dev>
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README.md
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README.md
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when you have consider partitioning on your drive to ensure that you can roll back
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safely in case things go wrong.
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After installation, proceed with the steps in updating configuration below.
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After installation, copy the generated NixOS configuration files from `/etc/nixos`
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into a new directory named `hosts/<host-name>`. Note that on the rest of
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the README, the placeholder `<host-name>` is used to denote the hostname of a new
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or existing machine under Nix flake-based setup.
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```bash
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cp -rv /etc/nixos/ hosts/<host-name>/
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```
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On the `flake.nix` file, under the `nixosConfigurations` block, add the new host using the template below
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```nix
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<host-name> = nixpkgs.lib.nixosSystem {
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system = "x86_64-linux";
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modules = [
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./hosts/<host-name>/configuration.nix
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# load Determinate Nix and the rest
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determinate.nixosModules.default
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home-manager.nixosModules.home-manager
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vscode-server.nixosModules.default
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nix-ld.nixosModules.nix-ld
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# one-liners?
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{ programs.nix-ld.dev.enable = true; }
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];
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};
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```
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Then on your `hosts/<host-name>/configuration.nix`, add the needed imports
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as needed:
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```nix
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imports = [
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./hardware-configuration.nix
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../../shared/gnupg.nix
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../../shared/meta-configs.nix
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../../shared/server/ssh.nix
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../../shared/server/tailscale.nix
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../../shared/systemd.nix
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../../shared/yubikey.nix
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# add more imports here
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]
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```
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Adjust as needed before running a `nixos-rebuild switch`
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### Updating configuration or upgrading NixOS system
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```bash
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EDITOR="nano" # or code if you do
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$EDITOR <path/to/nixfile.nix>
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git stage <path/to/nixfile.nix>
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git commit --signoff
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# update the flake.lock file manually
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nix flake update
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# on the another machine...
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# change {hostname} to something like stellapent-cier
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sudo nixos-rebuild --flake github:andreijiroh-dev/nixops-config#{hostname} <switch|boot|build>
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```
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script/deploy-config
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script/deploy-config
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#!/usr/bin/env bash
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# This is a utility wrapper script around nixos-rebuild, intended for use
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# within the root directory of the repository as a local copy/clone.
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# SPDX-License-Identifier: MPL-2.0
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set -xe
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NIXOS_HOSTNAME=${1:HOSTNAME}
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SUDO=${SUDO:"sudo"}
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if [[ $EUID != "0" ]]; then
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echo "Execing as root instead"
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exec $SUDO "$0"
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fi
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if [[ $1 == "switch" ]]; then
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nixos-rebuild --verbose --show-trace --flake ".#${NIXOS_HOSTNAME}" switch
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elif [[ $1 == "boot" ]]; then
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nixos-rebuild --verbose --show-trace --flake ".#${NIXOS_HOSTNAME}" boot
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fi