initial commit

modules/features/system/ntp-chrony.nix

@@ -0,0 +1,45 @@
+{ ... }:
+{
+  config.dendritic.features.ntp-chrony = {
+    nixosModules = [
+      (
+        { ... }:
+        {
+          services.chrony = {
+            enable = true;
+            enableNTS = true;
+            servers = [
+              "time.cloudflare.com iburst nts"
+              "ntppool1.time.nl iburst nts"
+              "nts.netnod.se iburst nts"
+              "ptbtime1.ptb.de iburst nts"
+              "time.dfm.dk iburst nts"
+              "time.cifelli.xyz iburst nts"
+            ];
+            # havent worked out the kinks yet
+            #  extraConfig = ''
+            #      minsources 3
+            #      authselectmode require
+
+            #      # EF
+            #      dscp 46
+
+            #      driftfile /var/lib/chrony/drift
+            #      dumpdir /var/lib/chrony
+            #      ntsdumpdir /var/lib/chrony
+
+            #      leapseclist /usr/share/zoneinfo/leap-seconds.list
+            #      makestep 1.0 3
+
+            #      rtconutc
+
+            #      cmdport 0
+
+            #      noclientlog
+            #  '';
+          };
+        }
+      )
+    ];
+  };
+}