wireguard setup and works

.sops.yaml

@@ -27,3 +27,10 @@ creation_rules:
           - *workstation
           - *server
           - *miniserver
+  - path_regex: secrets/wireguard.yaml$
+    key_groups:
+      - age:
+          - *devkey
+          - *workstation
+          - *server
+          - *miniserver

hosts/miniserver/configuration.nix

@@ -8,7 +8,10 @@
   my = {
     emacs.enable = true;
     apps.dictionaries.enable = true;
-    services.network.enable = true;
+    services = {
+      network.enable = true;
+      wireguard.enable = true;
+    };
     enableProxy = true;
     shell = {
       tools.enable = true;

modules/services.nix

@@ -5,11 +5,13 @@
     ./services/nvidia.nix
     ./services/printing.nix
     ./services/sound.nix
+    ./services/wireguard.nix
   ];
   my.services = {
     network.enable = lib.mkDefault false;
     nvidia.enable = lib.mkDefault false;
     printing.enable = lib.mkDefault false;
     sound.enable = lib.mkDefault false;
+    wireguard.enable = lib.mkDefault false;
   };
 }

modules/services/wireguard.nix

@@ -0,0 +1,40 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  port = 51820;
+in
+{
+  options.my.services.wireguard.enable = lib.mkEnableOption "enable";
+  config = lib.mkIf config.my.services.wireguard.enable {
+    sops.secrets."wireguard/private".sopsFile = ../../secrets/wireguard.yaml;
+    networking = {
+      firewall.allowedUDPPorts = [ port ];
+      nat = {
+        enable = true;
+        externalInterface = "enp2s0";
+        internalInterfaces = [ "wg0" ];
+      };
+      wireguard.interfaces.wg0 = {
+        ips = [ "10.100.0.1/24" ];
+        listenPort = port;
+        postSetup = ''
+          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
+        '';
+        postShutdown = ''
+          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
+        '';
+        privateKeyFile = config.sops.secrets."wireguard/private".path;
+        peers = [
+          {
+            publicKey = "p9zdJPe4ZfCal6+6N1Vay0sCyFv53LbXevOqzJddE2c=";
+            allowedIPs = [ "10.100.0.2/32" ];
+          }
+        ];
+      };
+    };
+  };
+}

secrets/wireguard.yaml

@@ -0,0 +1,50 @@
+wireguard:
+    private: ENC[AES256_GCM,data:wwggc9T88gK/EMmjPauf14DZGUnfipBpfN3FnlPhsO6FtVmK2aad/D0/Rqw=,iv:Q15iiEOFRa3bPf7NfZcEZOgEqnjIJPenYgE6c6HRYI8=,tag:x+auLhc/FDhxZxzWmcrX9Q==,type:str]
+    public: ENC[AES256_GCM,data:uelp1opnLR5EfvNBSA3Sk33ktMoG6+Pvj7oKYtdlCpXMZel9O8G7P4X5S2M=,iv:AQECJmnXSc2MM0pT8ZJtA51pn+tvhhyAxFDMBH/H6wA=,tag:yWsnQbHaeiXyPLbpxMZwsg==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1lufn6t35gs4wgevyr2gud4eec7lvkn7pgnnv4tja64ww3hef7gqq8fas37
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBlTXplR3BHYzl1bmxuSzlW
+            ZVQvTlg2amFnMCtTKzRoZXNYaXBNcmRyWGhZCmpLT1NqbGRtUFpxUzlTMFdYemRJ
+            ZXF6c2dhOG9LbXVkczU0N1RVK1lqajAKLS0tIHFmQ0FrbVQ2QldiUS9oT2J2RkU0
+            N0pFQ095Uzdid2NmZXRVZ2l6N285bFUKG52XE8nf9GfESCfNfoP6L8GxLfvrihs4
+            CaZSkRzkuZUsfBND0B2BX/UlrjVHWPQCYMqqTtMpLXoRSmRsvWYCTA==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age17jlsydpgl35qx5ahc3exu44jt8dfa63chymt6xqp9xx0r6dh347qpg55cz
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBPdWpKeU90cTV6blNZckt0
+            a2hpWms2b1ZuKzEwZUZFbEp0bFlPellVaHdVCkF5RENObjMvalJNc2FNYXk1UUxR
+            anE0SUI5ZWY5ZUlteVArSVN4T01DS2MKLS0tIEpDWDkzWm1mampQZDkwRCt5STVk
+            RHg4UklFQUp1KzFWRnpDOEIzRVJWZ2sKyS6bXtqJ3J7FrCyTa16Ithy2JS4HdkOg
+            NzTn/6RL+F61PLDGvEEa7Ypk/OGIjfJYxDQ5Sd9LODja47jIK5T6Aw==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age15hx530yrqmhm80vsjmffyg9deq9gssj7hl5rsqdnsn3dwegj9qusv4sjf5
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBueWZlTThKV1d5UEpJUVBE
+            SlFDMmFYSVREWXVvaDZYWk5TYXFRdTlpeVFZCnM4K3FYNk9hZ3R1K3c3Y0lURzZx
+            ZXdsWFNNSSt1VUtZdmRUUFdEK3BEdUkKLS0tIHB6ckZPMUkyM0ljK0RScWJSQlIz
+            UzVRQ3JzS1Q3N3EzTkhpNDZwZEtPbm8K0BzKOk9ljAnc5eydHfNha/QPfq9Eltfb
+            X/pNFkeW/b6FgLwo+3pc+NfgOFvpOuq7/bRWUCxGSJP/4w9+9q1a6A==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age13w4elx3x6afrte2d82lak59mwr2k25wfz3hx79tny6sfdk66lqjq989dzl
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBkV1Fsb3FMZGxGZ1A5dk9y
+            SllKMjZRby9KNzhVSUVpODh0MW1Ya1JzdzBjCjZmQUFoaCtTSS9ybE1hVjExaFVR
+            bWlKcFdlQmRIdEJrUE5jKzRlNFdQTVEKLS0tIEtMOW8xb2hLOGluMnVDaWxFMXQw
+            KzZFSWprL0l0MDdVdEVKbEV5eklZdTAK/1ZyGvElfp+LVloSR6aJUtvrgU0CrzaJ
+            SQtO7vc4oDedkiTz6LKySta+uyn3e17Jzdyy9nU2D/Q5X+CpKGP3cg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-09-28T08:01:15Z"
+    mac: ENC[AES256_GCM,data:z0p6P8kYCGqSAXrMnPqbM1ucRfBgjSlJQvHr4eElXSUKX3bWw5NIILWe7tOAVelCyIxcuTXAQQol6FInYyUfoR0L0mRgyNyV2AnaXpXGcHQ3V9bIPDpnP8OS9NMAIH4gUWKm347hbVnhd3otKyO+S/LvX2y9VT5WEUam01hBQzc=,iv:ucmFAi7RY9QzghmbADh4qPRtAEFCeHqXLJd/ccanVx8=,tag:eSN/Ck8ywWgaPVP6RSxmtA==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.8.1