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-rw-r--r--nixos/modules/misc/ids.nix2
-rw-r--r--nixos/modules/module-list.nix1
-rw-r--r--nixos/modules/services/networking/skydns.nix91
3 files changed, 94 insertions, 0 deletions
diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index 280e8d7238b..5b4cb54517c 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -218,6 +218,7 @@
       plex = 193;
       bird = 195;
       grafana = 196;
+      skydns = 197;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -414,6 +415,7 @@
       sabnzbd = 194;
       bird = 195;
       #grafana = 196; #unused
+      #skydns = 197; #unused
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 6225c568dfc..fa39a5d9432 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -318,6 +318,7 @@
   ./services/networking/sabnzbd.nix
   ./services/networking/searx.nix
   ./services/networking/seeks.nix
+  ./services/networking/skydns.nix
   ./services/networking/spiped.nix
   ./services/networking/sslh.nix
   ./services/networking/ssh/lshd.nix
diff --git a/nixos/modules/services/networking/skydns.nix b/nixos/modules/services/networking/skydns.nix
new file mode 100644
index 00000000000..2d0129d6310
--- /dev/null
+++ b/nixos/modules/services/networking/skydns.nix
@@ -0,0 +1,91 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.skydns;
+
+in {
+  options.services.skydns = {
+    enable = mkEnableOption "Whether to enable skydns service.";
+
+    etcd = {
+      machines = mkOption {
+        default = [ "http://localhost:4001" ];
+        type = types.listOf types.str;
+        description = "Skydns list of etcd endpoints to connect to.";
+      };
+
+      tlsKey = mkOption {
+        default = null;
+        type = types.nullOr types.path;
+        description = "Skydns path of TLS client certificate - private key.";
+      };
+
+      tlsPem = mkOption {
+        default = null;
+        type = types.nullOr types.path;
+        description = "Skydns path of TLS client certificate - public key.";
+      };
+
+      caCert = mkOption {
+        default = null;
+        type = types.nullOr types.path;
+        description = "Skydns path of TLS certificate authority public key.";
+      };
+    };
+
+    address = mkOption {
+      default = "0.0.0.0:53";
+      type = types.str;
+      description = "Skydns address to bind to.";
+    };
+
+    domain = mkOption {
+      default = "skydns.local.";
+      type = types.str;
+      description = "Skydns default domain if not specified by etcd config.";
+    };
+
+    nameservers = mkOption {
+      default = map (n: n + ":53") config.networking.nameservers;
+      type = types.listOf types.str;
+      description = "Skydns list of nameservers to forward DNS requests to when not authoritative for a domain.";
+      example = ["8.8.8.8:53" "8.8.4.4:53"];
+    };
+
+    package = mkOption {
+      default = pkgs.goPackages.skydns;
+      type = types.package;
+      description = "Skydns package to use.";
+    };
+
+    extraConfig = mkOption {
+      default = {};
+      type = types.attrsOf types.str;
+      description = "Skydns attribute set of extra config options passed as environemnt variables.";
+    };
+  };
+
+  config = mkIf (cfg.enable) {
+    systemd.services.skydns = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" "etcd.service" ];
+      description = "Skydns Service";
+      environment = {
+        ETCD_MACHINES = concatStringsSep "," cfg.etcd.machines;
+        ETCD_TLSKEY = cfg.etcd.tlsKey;
+        ETCD_TLSPEM = cfg.etcd.tlsPem;
+        ETCD_CACERT = cfg.etcd.caCert;
+        SKYDNS_ADDR = cfg.address;
+        SKYDNS_DOMAIN = cfg.domain;
+        SKYDNS_NAMESERVER = concatStringsSep "," cfg.nameservers;
+      };
+      serviceConfig = {
+        ExecStart = "${cfg.package}/bin/skydns";
+      };
+    };
+
+    environment.systemPackages = [ cfg.package ];
+  };
+}