1 files changed, 51 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/ntpd-rs.nix b/nixpkgs/nixos/tests/ntpd-rs.nix
new file mode 100644
index 000000000000..6f3c80e87f07
--- /dev/null
+++ b/nixpkgs/nixos/tests/ntpd-rs.nix
@@ -0,0 +1,51 @@
+import ./make-test-python.nix ({ lib, ... }:
+{
+  name = "ntpd-rs";
+
+  meta = {
+    maintainers = with lib.maintainers; [ fpletz ];
+  };
+
+  nodes = {
+    client = {
+      services.ntpd-rs = {
+        enable = true;
+        metrics.enable = true;
+        useNetworkingTimeServers = false;
+        settings = {
+          source = [
+            {
+              mode = "server";
+              address = "server";
+            }
+          ];
+          synchronization = {
+            minimum-agreeing-sources = 1;
+          };
+        };
+      };
+    };
+    server = {
+      networking.firewall.allowedUDPPorts = [ 123 ];
+      services.ntpd-rs = {
+        enable = true;
+        metrics.enable = true;
+        settings = {
+          server = [
+            { listen = "[::]:123"; }
+          ];
+        };
+      };
+    };
+  };
+
+  testScript = { nodes, ... }: ''
+    start_all()
+
+    for machine in (server, client):
+      machine.wait_for_unit('multi-user.target')
+      machine.succeed('systemctl is-active ntpd-rs.service')
+      machine.succeed('systemctl is-active ntpd-rs-metrics.service')
+      machine.succeed('curl http://localhost:9975/metrics | grep ntp_uptime_seconds')
+  '';
+})