1import ../make-test-python.nix ({ pkgs, lib, k3s, ... }:
2 let
3 imageEnv = pkgs.buildEnv {
4 name = "k3s-pause-image-env";
5 paths = with pkgs; [ tini (hiPrio coreutils) busybox ];
6 };
7 pauseImage = pkgs.dockerTools.streamLayeredImage {
8 name = "test.local/pause";
9 tag = "local";
10 contents = imageEnv;
11 config.Entrypoint = [ "/bin/tini" "--" "/bin/sleep" "inf" ];
12 };
13 testPodYaml = pkgs.writeText "test.yml" ''
14 apiVersion: v1
15 kind: Pod
16 metadata:
17 name: test
18 spec:
19 containers:
20 - name: test
21 image: test.local/pause:local
22 imagePullPolicy: Never
23 command: ["sh", "-c", "sleep inf"]
24 '';
25 in
26 {
27 name = "${k3s.name}-single-node";
28 meta = with pkgs.lib.maintainers; {
29 maintainers = [ euank ];
30 };
31
32 nodes.machine = { pkgs, ... }: {
33 environment.systemPackages = with pkgs; [ k3s gzip ];
34
35 # k3s uses enough resources the default vm fails.
36 virtualisation.memorySize = 1536;
37 virtualisation.diskSize = 4096;
38
39 services.k3s.enable = true;
40 services.k3s.role = "server";
41 services.k3s.package = k3s;
42 # Slightly reduce resource usage
43 services.k3s.extraFlags = builtins.toString [
44 "--disable" "coredns"
45 "--disable" "local-storage"
46 "--disable" "metrics-server"
47 "--disable" "servicelb"
48 "--disable" "traefik"
49 "--pause-image" "test.local/pause:local"
50 ];
51
52 users.users = {
53 noprivs = {
54 isNormalUser = true;
55 description = "Can't access k3s by default";
56 password = "*";
57 };
58 };
59 };
60
61 testScript = ''
62 start_all()
63
64 machine.wait_for_unit("k3s")
65 machine.succeed("k3s kubectl cluster-info")
66 machine.fail("sudo -u noprivs k3s kubectl cluster-info")
67 '' # Fix-Me: Tests fail for 'aarch64-linux' as: "CONFIG_CGROUP_FREEZER: missing (fail)"
68 + lib.optionalString (!pkgs.stdenv.isAarch64) ''machine.succeed("k3s check-config")'' + ''
69
70 machine.succeed(
71 "${pauseImage} | k3s ctr image import -"
72 )
73
74 # Also wait for our service account to show up; it takes a sec
75 machine.wait_until_succeeds("k3s kubectl get serviceaccount default")
76 machine.succeed("k3s kubectl apply -f ${testPodYaml}")
77 machine.succeed("k3s kubectl wait --for 'condition=Ready' pod/test")
78 machine.succeed("k3s kubectl delete -f ${testPodYaml}")
79
80 # regression test for #176445
81 machine.fail("journalctl -o cat -u k3s.service | grep 'ipset utility not found'")
82
83 machine.shutdown()
84 '';
85 })