Merge pull request #16 from plaflamme/test/basic

test: adds a basic integration test

Author: plaflamme

.github/workflows/nixos-test.yml

@@ -0,0 +1,17 @@
+name: nixos-tests
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+  push:
+   branches:
+     - main
+
+jobs:
+  nixos-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - run: |
+          nix flake check -L

flake.nix

@@ -3,84 +3,39 @@
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
 
-  outputs = { nixpkgs, ... }:
+  outputs = { self, nixpkgs, ... }:
     let
 
       genPackages = pkgs: rec {
-        inherit (pkgs.callPackage ./k0s/default.nix {})
-          k0s_1_27
-          k0s_1_28
-          k0s_1_30
-          k0s_1_31
-          k0s_1_32;
+        inherit (pkgs.callPackage ./k0s/default.nix { })
+          k0s_1_27 k0s_1_28 k0s_1_30 k0s_1_31 k0s_1_32;
         k0s = k0s_1_32;
       };
 
-    in
-    rec {
-      packages =
-        let
-          lib = nixpkgs.lib;
-          allSystems = [ "armv7l-linux" "aarch64-linux" "x86_64-linux" ];
-          forAllSystems = lib.genAttrs allSystems;
-        in
-          forAllSystems (system:
-            let
-              pkgs = nixpkgs.legacyPackages.${system};
-            in genPackages pkgs
-          );
+      lib = nixpkgs.lib;
+      allSystems = [ "armv7l-linux" "aarch64-linux" "x86_64-linux" ];
+      forAllSystems = lib.genAttrs allSystems;
+    in {
+      packages = forAllSystems (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in genPackages pkgs);
 
       overlays.default = final: prev: genPackages prev;
 
-      nixosConfigurations = {
-        test = nixpkgs.lib.nixosSystem {
-          modules = [
-            {
-              nixpkgs.system = "x86_64-linux";
-              nixpkgs.pkgs = import nixpkgs {
-                system = "x86_64-linux";
-                overlays = [
-                  overlays.default
-                ];
-              };
-            }
-            ./nixos/k0s.nix
-            ({ ... }: {
-              boot.isContainer = true;
-
-              services.k0s = {
-                enable = true;
-
-                role = "controller";
-
-                # The first controller to bring up does not have a join token,
-                # it has to be flagged with "isLeader".
-                # isLeader = true;
-
-                spec.api.address = "192.0.2.1";
-                spec.api.sans = [
-                  "192.0.2.1"
-                  "192.0.2.2"
-                ];
-
-                # Test non-default options:
-                #
-                # spec.network.provider = "calico";
-                # spec.network.calico.mode = "bird";
-                # spec.network.dualStack.enabled = true;
-                # spec.network.dualStack.IPv6podCIDR = "fd00::/108";
-                # spec.network.dualStack.IPv6serviceCIDR = "fd01::/108";
-                # spec.network.controlPlaneLoadBalancing.enabled = true;
-                # spec.network.nodeLocalLoadBalancing.enabled = true;
-                # spec.storage.type = "kine";
-              };
-
-              system.stateVersion = "24.05";
-            })
-          ];
-        };
-      };
-
       nixosModules.default = import ./nixos/k0s.nix;
-  };
+
+      checks = forAllSystems (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          basic = pkgs.testers.runNixOSTest {
+            imports = [ ./tests/basic.nix ];
+            node = { pkgsReadOnly = false; };
+            defaults = {
+              imports = [ self.nixosModules.default ];
+              nixpkgs.overlays = [ self.overlays.default ];
+            };
+          };
+        });
+
+    };
 }

tests/basic.nix

@@ -0,0 +1,24 @@
+{
+  name = "basic";
+  nodes = {
+    node1 = { config, ... }: {
+      services.k0s = {
+        enable = true;
+        role = "single";
+        spec.api = {
+          address = config.networking.primaryIPAddress;
+          sans = [ config.networking.primaryIPAddress ];
+        };
+      };
+
+    };
+  };
+  testScript = { nodes }:
+    let k0s = nodes.node1.services.k0s.package;
+    in ''
+      start_all()
+      node1.wait_for_unit("k0scontroller")
+      node1.wait_for_file("/run/k0s/status.sock")
+      node1.succeed("${k0s}/bin/k0s status")
+    '';
+}