burnham: Add domeneshop-dyndns, make it a module

.sops.yaml

@@ -1,4 +1,5 @@
 keys:
+  - &host_burnham age12cgkgx8xac77q0rwakp6zrfrzp45mhk7wj6t3y8s0xurt3k879usnm66ct
   - &host_challenger age1j43eqpnq5hy6zt3gmdtzdnne2yfvccd832kpt69qavst44leec6sj2l773
   - &host_defiant age128md9emufxu35kgww3a90sw40vvc60f5xul9n9ndvw4lfnj3ndaqq44u64
   - &host_voyager age14jzavfeg47pgnrstea6yzvh3s3a578nj8hkk8g79vxyzpn86gslscp23qu
@@ -12,10 +13,16 @@ creation_rules:
       - *user_felixalb
 
   # Host specific secrets
-  - path_regex: secrets/voyager/[^/]+\.yaml$
+  - path_regex: secrets/burnham/[^/]+\.yaml$
     key_groups:
     - age:
-      - *host_voyager
+      - *host_burnham
+      - *user_felixalb
+
+  - path_regex: secrets/challenger/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *host_challenger
       - *user_felixalb
 
   - path_regex: secrets/defiant/[^/]+\.yaml$
@@ -24,8 +31,8 @@ creation_rules:
       - *host_defiant
       - *user_felixalb
 
-  - path_regex: secrets/challenger/[^/]+\.yaml$
+  - path_regex: secrets/voyager/[^/]+\.yaml$
     key_groups:
     - age:
-      - *host_challenger
+      - *host_voyager
       - *user_felixalb

common/domeneshop-dyndns.nix

@@ -0,0 +1,45 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.services.domeneshop-dyndns;
+in {
+  options.services.domeneshop-dyndns = {
+    enable = lib.mkEnableOption "Domeneshop DynDNS";
+
+    domain = lib.mkOption {
+      type = lib.types.str;
+      description = "Domain name to configure";
+    };
+
+    environmentFile = lib.mkOption {
+      type = lib.types.path;
+      description = "Path to the file that sets DDNS_TOKEN and DDNS_SERET from https://www.domeneshop.no/admin?view=api";
+    };
+
+    startAt = lib.mkOption {
+      type = lib.types.str;
+      default = "*/10 * * * *";
+      description = "Systemd onCalendar expression for when to run the timer";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.domeneshop-dyndns = {
+      serviceConfig.EnvironmentFile = cfg.environmentFile;
+      startAt = cfg.startAt;
+
+      script = ''
+        DNSNAME="${cfg.domain}"
+        NEW_IP="$(${lib.getExe pkgs.curl} --silent https://ipinfo.io/ip)"
+        OLD_IP="$(${lib.getExe pkgs.getent} hosts "$DNSNAME" | ${lib.getExe pkgs.gawk} '{ print $1 }')"
+
+        if [[ "$NEW_IP" != "$OLD_IP" ]]; then
+          echo "Old IP ($OLD_IP) does not match new IP ($NEW_IP), updating..."
+          ${lib.getExe pkgs.curl} --silent "https://$DDNS_TOKEN:$DDNS_SECRET@api.domeneshop.no/v0/dyndns/update?hostname=$DNSNAME&myip=$NEW_IP"
+        else
+          echo "Old IP ($OLD_IP) matches new IP ($NEW_IP), exiting..."
+        fi
+      '';
+    };
+  };
+}

flake.nix

@@ -76,6 +76,7 @@
             ({ config, pkgs, ... }: { nixpkgs.overlays = [ pkgs-overlay ]; })
 
             ./hosts/defiant/configuration.nix
+            ./common/domeneshop-dyndns.nix
             sops-nix.nixosModules.sops
             matrix-synapse-next.nixosModules.default
             home-manager.nixosModules.home-manager {
@@ -113,6 +114,7 @@
             ({ config, pkgs, ... }: { nixpkgs.overlays = [ pkgs-overlay ]; })
 
             ./hosts/burnham/configuration.nix
+            ./common/domeneshop-dyndns.nix
             sops-nix.nixosModules.sops
             home-manager.nixosModules.home-manager {
               home-manager.useGlobalPkgs = true;

hosts/burnham/configuration.nix

@@ -11,8 +11,9 @@
       ./services/wireguard.nix
 
       # Other
-      ./services/thelounge.nix
+      ./services/dyndns.nix
       ./services/nginx.nix
+      ./services/thelounge.nix
   ];
 
   boot.loader.systemd-boot.enable = lib.mkForce false;
@@ -30,7 +31,7 @@
     hostId = "8e24f235";
   };
 
-  # sops.defaultSopsFile = ../../secrets/burnham/burnham.yaml;
+  sops.defaultSopsFile = ../../secrets/burnham/burnham.yaml;
 
   environment.variables = { EDITOR = "vim"; };
 

hosts/burnham/services/dyndns.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, lib, ... }:
+
+{
+  sops.secrets."domeneshop/env" = { };
+
+  services.domeneshop-dyndns = {
+    enable = true;
+    domain = "site2.feal.no";
+    environmentFile = config.sops.secrets."domeneshop/env".path;
+  };
+}

hosts/defiant/services/dyndns.nix

@@ -1,26 +1,11 @@
 { config, pkgs, lib, ... }:
 
-let
-  dnsname = "site3.feal.no";
-in {
-  # Defines DDNS_TOKEN and DDNS_SECRET from https://domene.shop/admin?view=api
+{
   sops.secrets."domeneshop/env" = { };
 
-  systemd.services.domeneshop-dyndns = {
-    serviceConfig.EnvironmentFile = config.sops.secrets."domeneshop/env".path;
-    startAt = "*/10 * * * *";
-
-    script = ''
-      DNSNAME="${dnsname}"
-      NEW_IP="$(${lib.getExe pkgs.curl} --silent https://ipinfo.io/ip)"
-      OLD_IP="$(${lib.getExe pkgs.getent} hosts "$DNSNAME" | ${lib.getExe pkgs.gawk} '{ print $1 }')"
-
-      if [[ "$NEW_IP" != "$OLD_IP" ]]; then
-        echo "Old IP ($OLD_IP) does not match new IP ($NEW_IP), updating..."
-        ${lib.getExe pkgs.curl} --silent "https://$DDNS_TOKEN:$DDNS_SECRET@api.domeneshop.no/v0/dyndns/update?hostname=$DNSNAME&myip=$NEW_IP"
-      else
-        echo "Old IP ($OLD_IP) matches new IP ($NEW_IP), exiting..."
-      fi
-    '';
+  services.domeneshop-dyndns = {
+    enable = true;
+    domain = "site3.feal.no";
+    environmentFile = config.sops.secrets."domeneshop/env".path;
   };
 }

secrets/burnham/burnham.yaml

@@ -0,0 +1,31 @@
+domeneshop:
+    env: ENC[AES256_GCM,data:MMzTECLowcUBvpXKKsqOTl03V244VcdO8ddXiboYJJtiPBlmBL4cVTSE3QzzWIlR0iNUlLtQlI9E8RIjys602tNMbWxqaJsyiRAFKS9pnOjhrIVH5dLaXLtxwk2Xp/Spg5aObwmgoP8=,iv:LMR1XBIT2x0RZ92hCTQAlHvOyX+ZXk0PrpGtNAWyLas=,tag:A6r1/+imJ7T4OwZcFIVKcQ==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age12cgkgx8xac77q0rwakp6zrfrzp45mhk7wj6t3y8s0xurt3k879usnm66ct
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB5ME5FZGNUYyttQ002ZEdk
+            MjZ5YkRGWVE3UTBNVzR6SjV3T01QSnRrcVVvClpiSHFIL3NoOUtjSG9NU3M3T0pS
+            N01DK2RLREFGV2Rnc2ZrR3prL2pRNmMKLS0tIFRzLzNzb2QwTFovOENpeW9LZFVT
+            UWc1ZFFibVBIckVRZWxvbGZVUG1YRUkKlSBUOi8E1D30qVnYoydMM/rmE5uOrbqG
+            MUBb8fk4OC4e8mDs/x/qBMMgMWLnma251Aehg+4SodemJi8RhKhR8g==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1nj7ju6f3jfvzw4c0sxywthjmztwp7rwqceun8xw2tlfrt7qymatser4vqf
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBZN3lIMHNySFZLdUpTTXh0
+            d0xDTlppY3V4ZGxsL3ZITzJmY2Joa2J6MzJJCmV1MmpSYVZ4OU4wNXlXN1ZmUGdp
+            RFNLcTlmNld4U1Y4VEJRTlZTdXg2ME0KLS0tIHJlQnFrQzFraGhkU0xEVFMxbGlj
+            QUlhZ3dsdkZYbWxyTkNMQSsxNEVocTQK2tugbp8JDQR3KxZoMn8fSVRBc4oBvrhy
+            0Tz4vhejHbiQt0Xg8Im/1ucFGvbONExi4alu57noRqIoCe4AmNKQ+g==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-09-07T23:07:39Z"
+    mac: ENC[AES256_GCM,data:NM3a/DiyBZjsZvm+XXW8kyDOL1CpRsEt8Cya6TDJ/CY8259es+y6g9ImAtV1nF+/8X5qVInZ93xxRDWdoDeOG67TwYTgHHkGoz41S4Sf/YyGNzXj3+3eYZt2y4tW/BAWMxN1SiQjWKX4a3WVqs9X8EjmDC6yKFC7EX2DTXt+J1Y=,iv:LVbFCEg4NciZuongxrLTKTOWB1WoUvRfKuDaPxXxr3k=,tag:LSrOva26yn6jdkjP2kDYaA==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.8.1