Add nixPath and sops-nix

.sops.yaml

@@ -0,0 +1,10 @@
+keys:
+  - &primary_gpg D3067BE844D3FC49535A47B29396B8BA6FBB14DE
+  - &vps_ssh_pubkey age1acgqxvyczgsamz53z3v0gmahzfxlg9tscwnrgcxrfndgxhsvn3vs4ss5tk
+creation_rules:
+  - path_regex: secrets/secrets.yaml$
+    key_groups:
+    - pgp:
+      - *primary_gpg
+      age:
+      - *vps_ssh_pubkey

flake.lock

@@ -112,7 +112,31 @@
         "nixpkgs": "nixpkgs",
         "nixpkgs-fresh": "nixpkgs-fresh",
         "nixpkgs-locked": "nixpkgs-locked",
-        "nixpkgs-stable": "nixpkgs-stable"
+        "nixpkgs-stable": "nixpkgs-stable",
+        "sops-nix": "sops-nix"
+      }
+    },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": [
+          "nixpkgs-stable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1705805983,
+        "narHash": "sha256-HluB9w7l75I4kK25uO4y6baY4fcDm2Rho0WI1DN2Hmc=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "ae171b54e76ced88d506245249609f8c87305752",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -26,6 +26,11 @@
       url = "github:viperML/nh";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.nixpkgs-stable.follows = "nixpkgs-stable";
+    };
   };
 
   outputs = inputs@{
@@ -36,6 +41,7 @@
     # nix-index-database,
     # nur,
     home-manager,
+    sops-nix,
     ...
   }: 
   let
@@ -87,6 +93,7 @@
         ./hosts/laptop/hardware-configuration.nix
         ./hosts/laptop/mounts.nix
         # nix-index-database.nixosModules.nix-index
+        sops-nix.nixosModules.sops
 
         # make home-manager as a module of nixos
         # so that home-manager configuration will be deployed automatically when executing `nixos-rebuild switch`

hosts/laptop/configuration.nix

@@ -4,6 +4,10 @@
 
 { config, pkgs, pkgs-stable, ... }:
 
+let
+  nixPath = "/etc/nixPath";
+in
+
 {  
   # boot.kernelPackages = pkgs.linuxPackages_zen;
 
@@ -274,8 +278,21 @@
 
   nixpkgs.config.allowUnfree = true;
 
+  systemd.tmpfiles.rules = [
+    "L+ ${nixPath} - - - - ${pkgs.path}"
+  ];
+
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
-  # nix.nixPath = []
+  nix.nixPath = [ "nixpkgs=${nixPath}" ];
+  nix.channel.enable = false;
+
+  # Sops
+  sops = {
+    defaultSopsFile = ../../secrets/secrets.yaml;
+    defaultSopsFormat = "yaml";
+    secrets.example_key = {};
+    gnupg.home = "/home/lgm/.gnupg";
+  };
 
   # OnlyKey
   hardware.onlykey.enable = true;

hosts/laptop/home.nix

@@ -124,6 +124,7 @@
 #     gawk
 #     zstd
     gnupg
+    sops
 
     # nix related
     nix-output-monitor

secrets/secrets.yaml

@@ -0,0 +1,34 @@
+example_key: ENC[AES256_GCM,data:r6+IirxYwXxv1IaYgw==,iv:ngakIM2iaUMBgug9+QqQ2h6uPM9Xze/3PM2GRm79JV8=,tag:TwmNkg0WqSMqgh8VU238Xg==,type:str]
+foo: ENC[AES256_GCM,data:IlVV,iv:uK2Zkxo39WYw5Q9xnmVV/JhSRejQA9sGnYasX3CtSog=,tag:e1tYkCVVmyTpiCPAnQp6ng==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1acgqxvyczgsamz53z3v0gmahzfxlg9tscwnrgcxrfndgxhsvn3vs4ss5tk
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBQL1YyalhGRXJnc1cxU0tx
+            NHRnWlBYYmZwV29aWUk1K0hhS3VRKzhEMTE4Ck9rTUQvQ0UvbllBMDEzenJEQURq
+            Sk9Lc1c5NHhYTG1LRGpZWVN3Qk16RGMKLS0tIFBhdEJUOEY4VVQ5UllGUXZWYVhy
+            OGJjR3NkQk1Ucyt5K3YraEZXdVFKODAK057dWbQGPrASAUqhaKmbsyt4DfjelZcI
+            27Y9PpknTb+2W0DshjGzpcM6qZVlys98JRfM/0Hc5ZmYdj1rhfFR0Q==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-01-21T18:39:47Z"
+    mac: ENC[AES256_GCM,data:7J5iBhY7b8nNrM4tviSk8+ur2ldAa8NNFU2ai7kjuU0puqq3oYX2l/pkjY7/rIue92HoQ8PVaLUnm2j73gCrCiZSJ5Cp4Tbue1mPfG7V+RA6OCOIS5MUsY5dBNtUSaDAoUohuwMTPAXwf7oE+OYENqTJGgWdFFR/IUgHF4uIPKY=,iv:f2uq6sLx7kW/EN2zZzl6RYUg8lQ4JNuhfQXsjTzDeCc=,tag:T2dn3EUISNZFaYm+eX6wDA==,type:str]
+    pgp:
+        - created_at: "2024-01-21T18:06:27Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hF4DrTkQq20WUVESAQdACf7D7i9i3JL3mhfBBYfj5+YgqsabixPitpX3vU1lsDQw
+            VHzfVAwc/dZZpbKQtOQq3qCV1Cq8UqbHJ/PDXiqgTMWUA6OAw+v82BxTsMR/c0r1
+            1GgBCQIQ3qRPn6jKLT9cCPiyayxqyv+r1meT9A4t1j8e5ul2P6tqUJALSeyvydHA
+            iPKyS7DlVQ7uI4HTO9pd7Kj+JhwckFaxgZNVMqWicsTf0tCMd6+iJ3366bmetNYv
+            osKqKz9/c4ZF/A==
+            =Hv+Y
+            -----END PGP MESSAGE-----
+          fp: D3067BE844D3FC49535A47B29396B8BA6FBB14DE
+    unencrypted_suffix: _unencrypted
+    version: 3.8.1