home lab init

2025-06-03 23:07:46 +02:00 · 2025-06-03 23:07:46 +02:00 · 7278922625
commit 7278922625
65 changed files with 27336 additions and 0 deletions
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@ -0,0 +1,96 @@
+{
+  description = "Unified flake for Proxmox base image + live NixOS VMs";
+
+  inputs = {
+    # Nixpkgs repo for system packages
+    nixpkgs.url = "github:nixos/nixpkgs";
+    # nixos-generators lets us produce a "proxmox"-formatted image
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    # sops-nix secret management
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, nixos-generators, sops-nix,... }:
+    let
+      system = "x86_64-linux";
+
+      ################################################################################
+      # A) Define “live” NixOS VM configurations under nixosConfigurations
+      ################################################################################
+      liveVMs = {
+        traefik = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [ ./hosts/traefik/host.nix ];
+        };
+
+        sandbox = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [ ./hosts/sandbox/host.nix ];
+        };
+
+        monitoring = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [ ./hosts/monitoring/host.nix ];
+        };
+
+        forgejo = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [ ./hosts/forgejo/host.nix sops-nix.nixosModules.sops ];
+        };
+
+        # dockerHost = pkgs.lib.nixosSystem {
+        #   inherit system;
+        #   modules = [
+        #     ./configuration.nix
+        #     ./users/plasmagoat.nix
+        #     ./hosts/docker-host.nix      # Docker‐Host VM settings (shown below)
+        #   ];
+        # };
+      };
+
+      ################################################################################
+      # B) Use nixos-generators to produce “template” images for Proxmox
+      ################################################################################
+
+      # 1) Existing Proxmox “base” image generator
+      base = nixos-generators.nixosGenerate {
+        system = "x86_64-linux";
+        modules = [ ./templates/base.nix ];
+        format  = "proxmox";  # outputs a .vma.zst suitable for qmrestore
+      };
+
+      # 2) A “docker” generator which builds a Proxmox‐ready template
+      docker = nixos-generators.nixosGenerate {
+        system = "x86_64-linux";
+        modules = [ ./templates/docker.nix ];
+        format = "proxmox";
+      };
+
+    in
+    {
+      ################################################################################
+      # 1) Export “live” VM configs so you can run:
+      #     nixos-rebuild switch --flake .#traefik       --target-host root@<traefik-IP>
+      #     nixos-rebuild switch --flake .#sandbox       --target-host root@<sandbox-IP>
+      #     nixos-rebuild switch --flake .#dockerHost    --target-host root@<dockerHost-IP>
+      ################################################################################
+      nixosConfigurations = liveVMs;
+
+      ################################################################################
+      # 2) Export Proxmox template images under packages.x86_64-linux:
+      #
+      #     • proxmox            → `nix build .#proxmox`    (generic base)
+      #     • docker             → `nix build .#docker`     (docker template)
+      ################################################################################
+      packages.x86_64-linux = {
+        base = base;
+        docker = docker;
+      };
+    };
+}