Merge pull request 'inventory tests: use containers by default' (#3398) from DavHau/clan-core:dave into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/3398

checks/lib/container-driver/test_driver/__main__.py

@@ -1,3 +0,0 @@
-from . import main
-
-main()

checks/lib/container-test.nix

@@ -13,43 +13,15 @@ in
       imports = [
         self.clanLib.test.minifyModule
       ];
-      config = lib.mkMerge [
-        (lib.optionalAttrs (options ? clan) {
-          clan.core.settings.machine.name = config.networking.hostName;
-        })
-        {
-          documentation.enable = lib.mkDefault false;
-          boot.isContainer = true;
-
-          # needed since nixpkgs 7fb2f407c01b017737eafc26b065d7f56434a992 removed the getty unit by default
-          console.enable = true;
-
-          # undo qemu stuff
-          system.build.initialRamdisk = "";
-          virtualisation.sharedDirectories = lib.mkForce { };
-          networking.useDHCP = false;
-
-          # We use networkd to assign static ip addresses
-          networking.useNetworkd = true;
-          services.resolved.enable = false;
-
-          # Rename the host0 interface to eth0 to match what we expect in VM tests.
-          system.activationScripts.renameInterface = ''
-            ${pkgs.iproute2}/bin/ip link set dev host0 name eth1
-          '';
-
-          systemd.services.backdoor.enable = false;
-
-          # we don't have permission to set cpu scheduler in our container
-          systemd.services.nix-daemon.serviceConfig.CPUSchedulingPolicy = lib.mkForce "";
-        }
-      ];
+      config = lib.optionalAttrs (options ? clan) {
+        clan.core.settings.machine.name = config.networking.hostName;
+      };
     };
   # to accept external dependencies such as disko
   node.specialArgs.self = self;
   _module.args = { inherit self; };
   imports = [
     test
-    ./container-driver/module.nix
+    ../../lib/test/container-test-driver/driver-module.nix
   ];
 }).config.result

checks/mumble/default.nix

@@ -6,6 +6,8 @@
 }:
 clanLib.test.makeTestClan {
   inherit pkgs self;
+  # TODO: container driver does not support: sleep, wait_for_window, send_chars, wait_for_text
+  useContainers = false;
   nixosTest = (
     { lib, ... }:
     let

checks/syncthing/default.nix

@@ -6,6 +6,8 @@
 }:
 clanLib.test.makeTestClan {
   inherit pkgs self;
+  # TODO: container driver does not support wait_for_file() yet
+  useContainers = false;
   nixosTest = (
     { lib, ... }:
     {

lib/test/container-test-driver/driver-module.nix

@@ -37,6 +37,9 @@ let
   pythonizedNames = map pythonizeName nodeHostNames;
 in
 {
+  defaults.imports = [
+    ./nixos-module.nix
+  ];
   driver = lib.mkForce (
     hostPkgs.runCommand "nixos-test-driver-${config.name}"
       {

lib/test/container-test-driver/nixos-module.nix

@@ -0,0 +1,26 @@
+{ pkgs, lib, ... }:
+{
+  boot.isContainer = true;
+
+  # needed since nixpkgs 7fb2f407c01b017737eafc26b065d7f56434a992 removed the getty unit by default
+  console.enable = true;
+
+  # undo qemu stuff
+  system.build.initialRamdisk = "";
+  virtualisation.sharedDirectories = lib.mkForce { };
+  networking.useDHCP = false;
+
+  # We use networkd to assign static ip addresses
+  networking.useNetworkd = true;
+  services.resolved.enable = false;
+
+  # Rename the host0 interface to eth0 to match what we expect in VM tests.
+  system.activationScripts.renameInterface = ''
+    ${pkgs.iproute2}/bin/ip link set dev host0 name eth1
+  '';
+
+  systemd.services.backdoor.enable = false;
+
+  # we don't have permission to set cpu scheduler in our container
+  systemd.services.nix-daemon.serviceConfig.CPUSchedulingPolicy = lib.mkForce "";
+}

lib/test/container-test-driver/test_driver/__init__.py

@@ -116,7 +116,7 @@ class Machine:
     def container_pid(self) -> int:
         return self.get_systemd_process()
 
-    def start(self) -> list[str]:
+    def start(self) -> None:
         prepare_machine_root(self.name, self.rootdir)
         cmd = [
             "systemd-nspawn",
@@ -137,8 +137,6 @@ class Machine:
         env = os.environ.copy()
         env["SYSTEMD_NSPAWN_UNIFIED_HIERARCHY"] = "1"
         self.process = subprocess.Popen(cmd, stdout=subprocess.PIPE, text=True, env=env)
-        self.container_pid = self.get_systemd_process()
-        return cmd
 
     def get_systemd_process(self) -> int:
         assert self.process is not None, "Machine not started"
@@ -455,6 +453,7 @@ class Driver:
         subprocess.run(["ip", "link", "set", "br0", "up"], check=True, text=True)
 
         for machine in self.machines:
+            print(f"Starting {machine.name}")
             machine.start()
 
     def test_symbols(self) -> dict[str, Any]:

lib/test/default.nix

@@ -4,6 +4,7 @@ let
     mkOption
     types
     ;
+
 in
 {
   flakeModules = clanLib.callLib ./flakeModules.nix { };
@@ -17,6 +18,7 @@ in
       nixosTest,
       pkgs,
       self,
+      useContainers ? true,
       ...
     }:
     let
@@ -28,7 +30,9 @@ in
         clanFlakeResult = config.clan;
       in
       {
-        imports = [ nixosTest ];
+        imports = [
+          nixosTest
+        ] ++ lib.optionals (useContainers) [ ./container-test-driver/driver-module.nix ];
         options = {
           clanSettings = mkOption {
             default = { };