sops-nix proof of concept

this is currently deployed and appears to be working. please everyone
have a look at it & then decide if we want to use this for the other
secrets as well.

.sops.yaml

@@ -0,0 +1,19 @@
+keys:
+  - &parsons age1yql8qaf7upraqy4cq397tt4vgs046hq0v59qymla8t3x0ujqvu4sesgsvw
+  - &hexchen-backup age1zgdegurzlr8cw9948wgf4q5qh3efltwhhzus5tt6az5xvvsux9us2v4tyd
+  - &stuebinm-ilex age18wkr3kjalalzrq9l05q32gnlaqr7t6rqqzde307m83rs9fp4xcfsdtj9gt
+  - &stuebinm-surltesh-echer age1q88az2y5hnx8naqsvrurllqj6y5gtehrpa9emmrxy5ghwsr7pvnqf7tfpx
+  - &stuebinm-abbenay age18nkru4pwvvapdw76nauv2xdtlj8cvyv3ugahe9kcxtvtsptx2eyqw7p0m6
+  - &moira-2022-06 age1l694a4xht7r0eza9r2vjncupmp6cxyk3k9x2ljwynnur4m2lc5jqmy3jut
+  - &moira-openpgp age1m374x78q9eykua32ldrqxh8rh36kz6jyre69a263krf28hcycsqsrmshl0
+creation_rules:
+  - path_regex: secrets.yaml
+    key_groups:
+    - age:
+      - *parsons
+      - *hexchen-backup
+      - *stuebinm-ilex
+      - *stuebinm-surltesh-echer
+      - *stuebinm-abbenay
+      - *moira-2022-06
+      - *moira-openpgp

flake.lock

@@ -511,7 +511,9 @@
         "nixpkgs": [
           "nixpkgs-unstable"
         ],
-        "sops-nix": "sops-nix",
+        "sops-nix": [
+          "sops-nix"
+        ],
         "waybar-iceportal": "waybar-iceportal"
       },
       "locked": {
@@ -601,22 +603,6 @@
         "type": "indirect"
       }
     },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1677560965,
-        "narHash": "sha256-Tqwt5alTtMnbYUPKCYRYZqlfbjprLgDWqjMhXpFMQ6k=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "40968a3aa489191cf4b7ba85cf2a54d8a75c8daa",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "release-22.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1678843226,
@@ -753,6 +739,7 @@
         "nixos-mailserver": "nixos-mailserver",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
+        "sops-nix": "sops-nix",
         "tracktrain": "tracktrain"
       }
     },
@@ -791,17 +778,18 @@
     "sops-nix": {
       "inputs": {
         "nixpkgs": [
-          "nix-hexchen",
+          "nixpkgs-unstable"
-          "nixpkgs"
         ],
-        "nixpkgs-stable": "nixpkgs-stable"
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1677833841,
+        "lastModified": 1681821695,
-        "narHash": "sha256-yHZFGe7dhBE43FFWKiWc29NuveH+nfyTT6oKyFDEMys=",
+        "narHash": "sha256-uwyBGo/9IALi97AfMuzkJroQQhV6hkybaZVdw6pRNG4=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "128e9b29ddd88ceb634a28f7dbbfee7b895f005f",
+        "rev": "5698b06b0731a2c15ff8c2351644427f8ad33993",
         "type": "github"
       },
       "original": {

flake.nix

@@ -16,6 +16,9 @@
 
     deploy-rs.url = "github:serokell/deploy-rs";
     deploy-rs.inputs.nixpkgs.follows = "nixpkgs";
+    sops-nix.url = "github:Mic92/sops-nix";
+    sops-nix.inputs.nixpkgs.follows = "nixpkgs-unstable";
+    sops-nix.inputs.nixpkgs-stable.follows = "nixpkgs";
     
     # these exist mostly to make the flake.lock somewhat more human-friendly
     # note that in theory doing this might break things, but it seems fairly unlikely
@@ -26,6 +29,7 @@
       doom-emacs.follows = "nix-hexchen/nix-doom-emacs/doom-emacs";
       emacs-overlay.follows = "nix-hexchen/nix-doom-emacs/emacs-overlay";
       flake-utils.follows = "/deploy-rs/utils";
+      sops-nix.follows = "sops-nix";
     };
     nixos-mailserver.inputs = {
       "nixpkgs-22_05".follows = "nixpkgs";
@@ -33,7 +37,7 @@
     };
   };
 
-  outputs = { self, nixpkgs, nix-hexchen, deploy-rs, ... }@inputs:
+  outputs = { self, nixpkgs, nix-hexchen, deploy-rs, sops-nix, ... }@inputs:
     let modules = nix-hexchen.nixosModules;
         profiles = nix-hexchen.nixosModules.profiles // {
           container = import ./modules/container-profile.nix;
@@ -61,6 +65,7 @@
         system = "x86_64-linux";
         modules = [
           ./hosts/parsons/configuration.nix
+          sops-nix.nixosModules.sops
           { nixpkgs.pkgs = pkgs; }
           { environment.etc."haccfiles".source = self.outPath; }
         ];

hosts/parsons/configuration.nix

@@ -37,6 +37,9 @@
     networkDrivers = [ "igb" ];
   };
 
+  sops.defaultSopsFile = ../../secrets.yaml;
+  sops.age.sshKeyPaths = [ "/persist/ssh/ssh_host_ed25519_key" ];
+
   boot.loader.grub.enable = true;
   boot.loader.grub.version = 2;
   boot.loader.grub.devices = [ "/dev/nvme0n1" "/dev/nvme1n1" ];

secrets.yaml

@@ -0,0 +1,76 @@
+hedgedoc-hacc:
+    env: ENC[AES256_GCM,data:e2vSolxJNucya9QNs28gAVDBJQq5AJh7jS1nBh0UTkDnhNL8NPW1KTxcun4rM99EhiNZsz6Z9qHRMejmP4frQw==,iv:DqAGhGWYf/EpGnI79MxKmBlHMhK26zx50vXb1TbvESw=,tag:Xix499XAcAmxhNuGr2ApcA==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1yql8qaf7upraqy4cq397tt4vgs046hq0v59qymla8t3x0ujqvu4sesgsvw
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSByREd2cmhXSUhNMWxEa3FB
+            em5WZ0lkaVVka2c5RUdidC9UQ2F5N2FXWGhBCmY2dUlHUmtpZkFZTitlaTVxMS8y
+            RFM0cHQwOFBwZFpSS0JWRXFVbUxMbTQKLS0tIFBNU2YxYUM4Y0U1NSt4Lzg1SnRF
+            N2Z1ZUpxKzBwV3Q0T0ppQis3UFJmT3cKRa4o6e0hNCSqZibQ8yjUMntXDaZxrmMc
+            tKAr9uGbSWQMbfjK26JKiOFt7QgF0olNvv7MxVD/kFScJBr1AerBQg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1zgdegurzlr8cw9948wgf4q5qh3efltwhhzus5tt6az5xvvsux9us2v4tyd
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBYNlQyeGtWeUx2R25oVFFr
+            ckh0UlRCTkt5aEg5MUREOEpIUzN4aWovVFFnCjIxREF0RTBHUStBS3hFSUtUVC9y
+            ZXVyVlUwSlJKRTMyOG5CS0d6amFjU3cKLS0tIDZFdisyM0xEbHl1LzhJL2VwNVhR
+            d2RWMHdTS2hDNUpDOHFxNmNQVDZmNFEKgo3vmIWXFYsYSohZxh1eGhuq6kh3j/n1
+            R5kN1Rs46/Id0lkFkySXUfuAzOqCWlnJYYgMtqOmxVI3UQhJAtWXOg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age18wkr3kjalalzrq9l05q32gnlaqr7t6rqqzde307m83rs9fp4xcfsdtj9gt
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBjUi8zQ2lPZS9nZHByQVBl
+            eU05WDRaUjlCVzZlbDI4K0ZhMkFNVFg5UlQwCkNuakpJTStvZFpTZkQ5UWFoWHVH
+            RzRqTzlpNjNlMHlGbEFheFRTV1ByencKLS0tIDNHWEE4SENqRWZwNVpHcHN0TzY5
+            NkpFTXFoLzUrcjEvbVBNSzdINzZHQ2MKb3knCvuJ1ivuGMZ+0bmLJoi5nUXMRNVf
+            l50GRm4JVZ210wwQq0vqf86HLIUE0hwaXiWsb7Sn3VvdsgE4x7wEmQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1q88az2y5hnx8naqsvrurllqj6y5gtehrpa9emmrxy5ghwsr7pvnqf7tfpx
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSArNUY4c25EN3BBSTFTMEU0
+            Vjg3RjFkS1FzZ2NXTUlZZHJNR3pTa0MzNVRNCkZhS1FMY2RlNGlCN3hoSm9yN0RL
+            UHAwNlFQNWN5UWp0TUJybjVhMjY1TW8KLS0tIEJ3VGFQOEkrU01lbWYvQnRYdkx1
+            VzFDbm9zMk4rVWlMQm5Sdk9uMEF1OTgK1d0syR0MY4DNA059QApJess94MZTulNQ
+            THZ2S/BmEJGPoyvjKot5clX0Lm6s7LyNoYDjBypo+6OI8Cvjo5Qjgg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age18nkru4pwvvapdw76nauv2xdtlj8cvyv3ugahe9kcxtvtsptx2eyqw7p0m6
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBCK0luUmtzZXdGOTY4bU51
+            V016dTFaRkxyNksyMXJiUmY5QkJjcXdoSXd3CnpoQVVXVTNZWnZmajUzMlNJN2Fz
+            dDN1NThmS0IyREIvQSt2SlJKYmgwR1kKLS0tIFU5dHJYNzdydDkwT3FyQzRCRlFh
+            VUpXYTFRK3FTRlJYd1B3Qm5HMEQzMWMK5IqzmCIdUphR2W6y6UtZLo2cPRW2L0d4
+            X0qmWnDxa4ghD1CMlIi2spIS/0mE2+tu+XmxYnWYtfMggCtJpZen6g==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1l694a4xht7r0eza9r2vjncupmp6cxyk3k9x2ljwynnur4m2lc5jqmy3jut
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBuNEUvL2ZQbEo4SytWYnRJ
+            a1ZMdS9FR1JsUUpsMlZTdXRzOGtDeTdIcFI4ClhxaFN0dXVmR3RhOHVpdFNxNEVE
+            UzBxYStNMGZjNFJmTllxdlg2R1RIRm8KLS0tIFRJYzVrdE9mTGJZeXdpWnBUSkll
+            QmZtNmtabkVYQVNNZFRtWnE3LzR3Z3cKKOUqRmH5OzXSLNJAwCylXDMxoHJFT4Dn
+            5iuRwydc9VvI/XKLmK/rR2XXeXzxESWu1OJVXPV87VIFh1jF71lCbQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1m374x78q9eykua32ldrqxh8rh36kz6jyre69a263krf28hcycsqsrmshl0
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBlZ3VRd1lNYVZpRHNsRWti
+            eEM5NjlOaEc4L29yRlA1eVdEZzFWbThXR2xFCngwN0YzWXdpTk4rY0h6VDBzQWtM
+            TGhPYk8wRWRqd0ttRm5zSTBMbVAzNWcKLS0tIFBsQnQ3TTJqQUZXQVlVZTcxWXJG
+            bVFISHFrRnZHVE9YbGVlakxJSFE1aTgKsddkeIFwHckApYhK53/qzG8bUYm3JXiI
+            amI6nq+0nNoU2bzOTO4FLW7gYssxWFxdSVV153BWGJHSNh/JItvDHg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2023-04-19T14:56:57Z"
+    mac: ENC[AES256_GCM,data:Mw5SUPLqVhq3bEjYj7v7qZO2RqEKDzC6u+lzLsFXdnJ+pLSUslulzGgIerkKbe9wXM3m7LgPIEeCdRhmRfjuDbqdvE8RifuE3UpJ1F0497RmGPAVsxZeUh8YaHzKe/fij3QGgGAaahLYs413WUZNvGPrnJSIISlRdJ2JNlTQw8c=,iv:2vEUSrdr30gEZh/wqSDDuakK3W+ZY6iJS5BgUpYKkk8=,tag:p8X8exlJoutmUW3WaP68Tw==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.7.3

services/hedgedoc-hacc.nix

@@ -1,6 +1,11 @@
 { config, lib, pkgs, profiles, modules, evalConfig, sources, ... }:
 
 {
+
+  sops.secrets = {
+    "hedgedoc-hacc/env" = {};
+  };
+
   containers.pad-hacc = {
     privateNetwork = true;
     hostAddress = "192.168.100.1";
@@ -11,6 +16,7 @@
         hostPath = "/persist/containers/pad-hacc";
         isReadOnly = false;
       };
+      "/secrets".hostPath = "/run/secrets/hedgedoc-hacc";
     };
     path = evalConfig ({ config, lib, pkgs, profiles, ... }: {
       imports = [ profiles.nopersist profiles.container ];
@@ -43,7 +49,7 @@
             clientSecret = "lol nope";
           };
         };
-        environmentFile = "/persist/secrets.env";
+        environmentFile = "/secrets/env";
       };
       systemd.services.hedgedoc.environment = {
         "CMD_LOGLEVEL" = "warn";