pkgs/clerie-sops: Init sops

flake.lock

@@ -121,6 +121,27 @@
         "url": "https://git.clerie.de/clerie/fieldpoc.git"
       }
     },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "ssh-to-age",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709336216,
+        "narHash": "sha256-Dt/wOWeW6Sqm11Yh+2+t0dfEWxoMxGBvv3JpIocFl9E=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "f7b3c975cf067e56e7cda6cb098ebe3fb4d74ca2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -228,6 +249,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1713434076,
+        "narHash": "sha256-+/p5edwlkqKZc6GDAQl+92Hoe1f3NNbUF9uj+X9H3pU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8494ae076b7878d61a7d2d25e89a847fe8f8364c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "release-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1665732960,
@@ -271,7 +308,9 @@
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_3",
         "nixpkgs-krypton": "nixpkgs-krypton",
-        "solid-xmpp-alarm": "solid-xmpp-alarm"
+        "solid-xmpp-alarm": "solid-xmpp-alarm",
+        "sops-nix": "sops-nix",
+        "ssh-to-age": "ssh-to-age"
       }
     },
     "solid-xmpp-alarm": {
@@ -294,6 +333,48 @@
         "url": "https://git.clerie.de/clerie/solid-xmpp-alarm.git"
       }
     },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1713532771,
+        "narHash": "sha256-vfKxhYVMzG2tg48/1rewBoSLCrKIjQsG1j7Nm/Y2gf4=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "a929a011a09db735abc45a8a45d1ff7fdee62755",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
+      }
+    },
+    "ssh-to-age": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1712553767,
+        "narHash": "sha256-hg6lBgxmTJ2hc1EFUoiA6BLA2QZGIfoBIxub9FK3x6M=",
+        "owner": "Mic92",
+        "repo": "ssh-to-age",
+        "rev": "5842a0023432eca39537060f38cbff7c9c2123c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "ssh-to-age",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,

flake.nix

@@ -28,8 +28,16 @@
       url = "git+https://git.clerie.de/clerie/solid-xmpp-alarm.git";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
-  outputs = { self, agenix, nixpkgs, nixos-hardware, chaosevents, fernglas, nixos-exporter, solid-xmpp-alarm, ... }@inputs: let
+    ssh-to-age = {
+      url = "github:Mic92/ssh-to-age";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+  outputs = { self, agenix, nixpkgs, nixos-hardware, chaosevents, fernglas, nixos-exporter, solid-xmpp-alarm, ssh-to-age, ... }@inputs: let
     lib = import ./lib inputs;
     helper = lib.flake-helper;
   in {
@@ -111,6 +119,8 @@
               agenix;
             inherit (chaosevents.packages.${system})
               chaosevents;
+            inherit (ssh-to-age.packages.${system})
+              ssh-to-age;
            })
         ];
       };
@@ -120,6 +130,8 @@
         clerie-system-upgrade
         clerie-merge-nixfiles-update
         clerie-update-nixfiles
+        clerie-sops
+        clerie-sops-config
         chromium-incognito
         iot-data
         nix-remove-result-links

hosts/dn42-ildix-service/configuration.nix

@@ -45,13 +45,14 @@
     autoUpgrade = true;
   };
 
+  sops.secrets.wg-monitoring = {};
+
   clerie.monitoring = {
     enable = true;
     id = "391";
     pubkey = "Rfu2JLxAk0seAZgt43sOEAF69Z9uQaOjeNgM4jJF0h4=";
   };
 
-
   system.stateVersion = "23.05";
 }
 

hosts/dn42-ildix-service/secrets.json

@@ -0,0 +1,26 @@
+{
+	"wg-monitoring": "ENC[AES256_GCM,data:kG/PCFQv4pRaup3sKOZNkwoJQ5Fdo/k5UUTh8/fedq87gA8yF7esZySUYc4=,iv:JYlaGotwiIiXVnfz98pjL1j2YwNtgoTmmk//9bABqz4=,tag:v7Csuvn1EjOxWnD2YHQ7kA==,type:str]",
+	"sops": {
+		"kms": null,
+		"gcp_kms": null,
+		"azure_kv": null,
+		"hc_vault": null,
+		"age": [
+			{
+				"recipient": "age1d3scmrwmhl5wzfq632sjg679kae3vsn8q5lmx05xrltnh5jt0yls6xnm00",
+				"enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBvM1hpMUJ4d2xvUWgxcFRs\nTGwyYW5vQWdwL1JObm1BR3J4OFB2Z09HQkIwCnh1TVlvUFNmOXVvdFZLL1AwNC9p\nNUxMV3ZsMW53RElXcU0veGQ2NCtyQmsKLS0tIG01Q3lIbDR0ZEQ2dDlONlhlSGho\nbU1LdzZlOGtmVmJKQjNiTE5RWVlyakkK2dm5BQ2P1cZVpFKLtARm1E9aoGM9j351\nbYmmdtTnXrgVM0rZuexiM+G+3MjZEFvGI+RkrFcGcY3WSKy0OQSlfg==\n-----END AGE ENCRYPTED FILE-----\n"
+			}
+		],
+		"lastmodified": "2024-04-20T21:14:46Z",
+		"mac": "ENC[AES256_GCM,data:WdiOdmBc6EabnWM5Wkxj3W7a+qDJr4wQQEMR39bZabTMuW+8Y/p/eX5YxUL7U6XisI5c6JPIGcGYU7gaLWSvQ9uh6eFn/NZm+3WmyVXzAUjYDC2I8pm9DKAbPUU95zMmgSQDGJYr8ZFzfTDFepCn1poaxJ7TDpfD7tUfaDwDq34=,iv:vm6BHsXkb9pjKDeI/oXU7lYg4uHuFhE9g5s/JXDu5/o=,tag:hGGz8JKjBZ84Nx/3xT+p4Q==,type:str]",
+		"pgp": [
+			{
+				"created_at": "2024-04-20T21:14:21Z",
+				"enc": "-----BEGIN PGP MESSAGE-----\n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\nRZi1vIZRrA==\n=EbyO\n-----END PGP MESSAGE-----",
+				"fp": "0C982F87B7AFBA0F504F90A2629E741947C87928"
+			}
+		],
+		"unencrypted_suffix": "_unencrypted",
+		"version": "3.8.1"
+	}
+}

lib/flake-helper.nix

@@ -1,4 +1,4 @@
-{ self, nixpkgs, agenix, bij, chaosevents, fernglas, fieldpoc, nixos-exporter, solid-xmpp-alarm, ... }@inputs:
+{ self, nixpkgs, agenix, bij, chaosevents, fernglas, fieldpoc, nixos-exporter, solid-xmpp-alarm, sops-nix, ... }@inputs:
 
 rec {
   generateNixosSystem = {
@@ -43,6 +43,7 @@ rec {
       fieldpoc.nixosModules.default
       nixos-exporter.nixosModules.default
       solid-xmpp-alarm.nixosModules.solid-xmpp-alarm
+      sops-nix.nixosModules.sops
       (../hosts + "/${name}/configuration.nix")
       # Automatically load secrets from the hosts secrets directory
       ({ lib, ... }: let
@@ -52,6 +53,10 @@ rec {
           file = secretsPath + "/${filename}";
         }) (lib.filterAttrs (name: type: (type == "regular") && (lib.hasSuffix ".age" name) ) (if builtins.pathExists secretsPath then builtins.readDir secretsPath else {}));
       })
+      # Automatically load secrets from sops file for host
+      ({ ... }: {
+        sops.defaultSopsFile = ../hosts + "/${name}/secrets.json";
+      })
     ];
   };
 

modules/monitoring/default.nix

@@ -54,7 +54,9 @@ in
             publicKey = "eyhJKV41E1F0gZHBNqyzUnj72xg5f3bdDduVtpPN4AY=";
           }
         ];
-        privateKeyFile = if cfg.privateKeyFile == null then config.age.secrets.wg-monitoring.path else cfg.privateKeyFile;
+        privateKeyFile = if cfg.privateKeyFile != null then cfg.privateKeyFile else
+          if builtins.elem "wg-monitoring" (attrNames config.sops.secrets) then config.sops.secrets.wg-monitoring.path else
+            config.age.secrets.wg-monitoring.path;
       };
     };
 

pkgs/clerie-sops/clerie-sops-config.nix

@@ -0,0 +1,37 @@
+{ pkgs, lib, ... }:
+
+with lib;
+
+let
+  hosts = builtins.attrNames (builtins.readDir ../../hosts);
+
+  mkAgeKey = hostname: ssh_pub_file:
+    pkgs.runCommand "${hostname}.age" {
+      buildInputs = [ pkgs.ssh-to-age ];
+    } ''
+      ssh-to-age -i ${ssh_pub_file} -o $out
+    '';
+
+  ageKeysForHost = hostname: let
+    ssh_pub_file = ../../hosts + "/${hostname}/ssh.pub";
+  in
+    if builtins.pathExists ssh_pub_file then [
+      (fileContents (mkAgeKey hostname ssh_pub_file))
+    ] else [];
+
+  mkCreationRules = hosts:
+    map (hostname: {
+      path_regex = escapeRegex "hosts/${hostname}/secrets.json";
+      key_groups = [{
+        pgp = [
+          (fileContents (pkgs.clerie-keys + "/gpg/clerie@clerie.de.fingerprint.txt"))
+        ];
+        age = ageKeysForHost hostname;
+      }];
+    }) hosts;
+
+  sops_config = {
+    creation_rules = mkCreationRules hosts;
+  };
+in
+  pkgs.writeText "sops.json" (builtins.toJSON sops_config)

pkgs/clerie-sops/clerie-sops.nix

@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+
+pkgs.writeShellApplication {
+  name = "clerie-sops";
+  runtimeInputs = with pkgs; [
+    sops
+  ];
+  text = ''
+    exec sops --config ${pkgs.clerie-sops-config} "$@"
+  '';
+}

pkgs/overlay.nix

@@ -2,6 +2,8 @@ final: prev: {
   clerie-keys = final.callPackage ./clerie-keys {};
   clerie-system-upgrade = final.callPackage ./clerie-system-upgrade/clerie-system-upgrade.nix {};
   clerie-merge-nixfiles-update = final.callPackage ./clerie-update-nixfiles/clerie-merge-nixfiles-update.nix {};
+  clerie-sops = final.callPackage ./clerie-sops/clerie-sops.nix {};
+  clerie-sops-config = final.callPackage ./clerie-sops/clerie-sops-config.nix {};
   clerie-update-nixfiles = final.callPackage ./clerie-update-nixfiles/clerie-update-nixfiles.nix {};
   chromium-incognito = final.callPackage ./chromium-incognito {};
   iot-data = final.python3.pkgs.callPackage ./iot-data {};